CN113173854B - 手性β-酰氧基羧酸酯类化合物的制备方法 - Google Patents
手性β-酰氧基羧酸酯类化合物的制备方法 Download PDFInfo
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- CN113173854B CN113173854B CN202110444041.XA CN202110444041A CN113173854B CN 113173854 B CN113173854 B CN 113173854B CN 202110444041 A CN202110444041 A CN 202110444041A CN 113173854 B CN113173854 B CN 113173854B
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- 238000002360 preparation method Methods 0.000 title abstract description 9
- 150000001875 compounds Chemical class 0.000 claims abstract description 169
- 238000006243 chemical reaction Methods 0.000 claims abstract description 115
- 239000002904 solvent Substances 0.000 claims abstract description 97
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 89
- 238000000034 method Methods 0.000 claims abstract description 72
- 239000012634 fragment Substances 0.000 claims abstract description 59
- -1 carboxylic acid ester compounds Chemical class 0.000 claims abstract description 48
- 238000007259 addition reaction Methods 0.000 claims abstract description 47
- 239000003446 ligand Substances 0.000 claims abstract description 47
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 41
- IMSODMZESSGVBE-UHFFFAOYSA-N 2-Oxazoline Chemical compound C1CN=CO1 IMSODMZESSGVBE-UHFFFAOYSA-N 0.000 claims abstract description 34
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910002091 carbon monoxide Inorganic materials 0.000 claims abstract description 27
- 239000003054 catalyst Substances 0.000 claims abstract description 26
- 239000007800 oxidant agent Substances 0.000 claims abstract description 23
- 125000005842 heteroatom Chemical group 0.000 claims description 225
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical group CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 165
- 125000001072 heteroaryl group Chemical group 0.000 claims description 128
- 125000003118 aryl group Chemical group 0.000 claims description 127
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- 229910052717 sulfur Inorganic materials 0.000 claims description 112
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- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical group CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 103
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- 125000000008 (C1-C10) alkyl group Chemical group 0.000 claims description 60
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- 125000000027 (C1-C10) alkoxy group Chemical group 0.000 claims description 14
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- 125000006552 (C3-C8) cycloalkyl group Chemical group 0.000 claims description 10
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- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims description 9
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical group O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 claims description 8
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 8
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical group CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 8
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- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 claims description 8
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 8
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- 239000011630 iodine Substances 0.000 claims description 8
- 229910052740 iodine Inorganic materials 0.000 claims description 8
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- SNOOUWRIMMFWNE-UHFFFAOYSA-M sodium;6-[(3,4,5-trimethoxybenzoyl)amino]hexanoate Chemical compound [Na+].COC1=CC(C(=O)NCCCCCC([O-])=O)=CC(OC)=C1OC SNOOUWRIMMFWNE-UHFFFAOYSA-M 0.000 claims description 8
- GBXQPDCOMJJCMJ-UHFFFAOYSA-M trimethyl-[6-(trimethylazaniumyl)hexyl]azanium;bromide Chemical compound [Br-].C[N+](C)(C)CCCCCC[N+](C)(C)C GBXQPDCOMJJCMJ-UHFFFAOYSA-M 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
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- 230000035484 reaction time Effects 0.000 claims description 7
- 125000006656 (C2-C4) alkenyl group Chemical group 0.000 claims description 6
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical group CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 6
- 150000001299 aldehydes Chemical class 0.000 claims description 6
- 125000003342 alkenyl group Chemical group 0.000 claims description 6
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 6
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 claims description 6
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- 125000001624 naphthyl group Chemical group 0.000 claims description 6
- GETTZEONDQJALK-UHFFFAOYSA-N (trifluoromethyl)benzene Chemical compound FC(F)(F)C1=CC=CC=C1 GETTZEONDQJALK-UHFFFAOYSA-N 0.000 claims description 4
- 125000000882 C2-C6 alkenyl group Chemical group 0.000 claims description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 4
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 claims description 4
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 claims description 4
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- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 claims description 4
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- 150000002825 nitriles Chemical class 0.000 claims description 4
- YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical compound [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 claims description 4
- NUMQCACRALPSHD-UHFFFAOYSA-N tert-butyl ethyl ether Chemical compound CCOC(C)(C)C NUMQCACRALPSHD-UHFFFAOYSA-N 0.000 claims description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 125000000923 (C1-C30) alkyl group Chemical group 0.000 claims description 3
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- CYPYTURSJDMMMP-WVCUSYJESA-N (1e,4e)-1,5-diphenylpenta-1,4-dien-3-one;palladium Chemical compound [Pd].[Pd].C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1 CYPYTURSJDMMMP-WVCUSYJESA-N 0.000 claims description 2
- UKSZBOKPHAQOMP-SVLSSHOZSA-N (1e,4e)-1,5-diphenylpenta-1,4-dien-3-one;palladium Chemical compound [Pd].C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1 UKSZBOKPHAQOMP-SVLSSHOZSA-N 0.000 claims description 2
- 125000003161 (C1-C6) alkylene group Chemical group 0.000 claims description 2
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- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 2
- IBXMKLPFLZYRQZ-UHFFFAOYSA-N 1,5-diphenylpenta-1,4-dien-3-one;palladium Chemical compound [Pd].[Pd].C=1C=CC=CC=1C=CC(=O)C=CC1=CC=CC=C1 IBXMKLPFLZYRQZ-UHFFFAOYSA-N 0.000 claims description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical group CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 claims description 2
- PAGZTSLSNQZYEV-UHFFFAOYSA-L 2,2-dimethylpropanoate;palladium(2+) Chemical compound [Pd+2].CC(C)(C)C([O-])=O.CC(C)(C)C([O-])=O PAGZTSLSNQZYEV-UHFFFAOYSA-L 0.000 claims description 2
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- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 claims description 2
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Abstract
本发明提供了一种手性β‑酰氧基羧酸酯类化合物的制备方法。具体公开了一种羧酸酯类化合物的制备方法,其包括以下步骤:溶剂中,在钯催化剂、噁唑啉配体和氧化剂的存在下,将含片段II的化合物、含片段III的化合物和一氧化碳(CO)进行加成反应,得含片段I‑1的化合物和/或含片段I‑2的化合物。本发明的方法收率高、底物普适性广、官能团兼容性好,而且还具有反应条件温和和操作简单。
Description
技术领域
本发明涉及一种手性β-酰氧基羧酸酯类化合物的制备方法。
背景技术
具有光学活性的β-酰氧基羧酸酯类化合物及其衍生物例如β-羟基羧酸酯(酸)广泛存在于药物分子以及精细化工产品中,并且是有机合成中被广泛使用的合成砌块。因此发展合成这类化合物的方法显得意义重大。以廉价易得的烯烃作为原料进行氧羰基化来合成此类化合物是最直接且高效的方法。近几十年来,合成此类化合物的方法得到了大量的研究。其中,过渡金属例如钌,铱,铑等催化的β-羰基羧酸酯的不对称氢化反应是目前应用最为频繁且广泛的合成手性β-羟基羧酸酯的方法(Noyori,R.Angew.Chem.Int.Ed.2002,41,2008;Xie,J.-H.;Liu,X.-Y.;Yang,X.-H.;Xie,J.-B.;Wang,L.-X.;Zhou,Q.-L.Angew.Chem.,Int.Ed.2012,51,201;Jeulin,S.;Duprat de Paule,S.;RatovelomananaVidal,V.;Genet,J.-P.;Champion,N.;Dellis,P.Angew.Chem.,Int.Ed.2004,43,320.)。然而此类方法虽然能实现高对映选择性氢化,但需要制备复杂的β-羰基羧酸酯前体,官能团兼容性较差,且需要高压氢气的条件。此外,醛和甲硅烷基烯醇醚的不对称Aldol反应(Keck,G.E.;Krishnamurthy,D.J.Am.Chem.Soc.1995,117,2363;Denmark,S.E.;Wynn,T.;Beutner,G.L.J.Am.Chem.Soc.2002,124,13405;Denmark,S.;Beutner,G.L.;Wynn,T.;Eastgate,M.D.J.Am.Chem.Soc.2005,127,3774.)也是一类合成手性β-羟基羧酸酯类化合物的方法,但其反应前体醛和甲硅烷基烯醇醚不易合成,底物范围非常有限,且对反应条件敏感,不利于应用。因此,本领域急需一种能高效简单且条件温和地实现高对映选择性β-酰氧基羧酸酯类化合物及其衍生物的制备方法。
尽管过渡金属钯催化的不对称氧羰基化反应早有报道(Tietze,L.F.;Zinngrebe,J.;Spiegl,D.A.;Stecker,F.Heterocycles 2007,74,473;Tietze,L.F.;Spiegl,D.A.;Stecker,F.;Major,J.;Raith,C.;Groβe,C.Chem.-Eur.J.2008,14,8956;Tietze,L.F.;Jackenkroll,S.;Hierold,J.;Ma,L.;Waldecker,B.Chem.-Eur.J.2014,20,8628.),但其仅限于分子内的不对称氧羰基化,而对于分子间的不对称氧羰基化反应却未有文献报道。其难点在于首先分子间的氧钯化启动较为困难,其次在强配位配体一氧化碳的存在下较难实现反应的对映选择性控制。因此想要实现钯催化的高对映选择性氧羰基化反应需要手性配体来增加Pd(OAc)2的Lewis酸性从而能使氧钯化顺利进行,同时能够有效控制对映选择性,最终实现不对称氧羰基化反应。
发明内容
本发明所要解决的技术问题是为了克服现有技术中β-羰基羧酸酯的不对称氢化底物普适性差,反应条件苛刻以及官能团兼容性差的缺陷,而提供了一种手性β-酰氧基羧酸酯类化合物的制备方法。本发明的方法收率高、底物普适性广、官能团兼容性好,而且还具有反应条件温和和操作简单。
本发明是通过下述技术方案来解决上述技术问题的。
本发明提供了一种羧酸酯类化合物的制备方法,其包括以下步骤:溶剂中,在钯催化剂、噁唑啉配体和氧化剂的存在下,将含片段II的化合物、含片段III的化合物和一氧化碳(CO)进行加成反应,得含片段I-1的化合物和/或含片段I-2的化合物;
其中,R5和R6独立地为氢、R5-1取代或未取代的C1-C10烷基、R5-2取代或未取代的C3-C8环烷基、或R5-3取代或未取代的C6-C30芳基;
R7为氢、R7-1取代或未取代的C1-C10烷基、或R7-2取代或未取代的C6-C30芳基;
所述的加成反应中,所述的溶剂可为本领域此类反应常规,较佳地,所述溶剂为烷烃类溶剂、取代芳烃类溶剂、腈类溶剂、卤代烃类溶剂、醚类溶剂、酮类溶剂、酯类溶剂和酰胺类溶剂中的一种或多种。所述的烷烃类溶剂优选为正己烷。所述的取代芳烃类溶剂优选为氯苯、甲苯和三氟甲基苯中的一种或多种。所述的腈类溶剂优选为乙腈。所述的卤代烃类溶剂优选为二氯甲烷和氯仿。所述的醚类溶剂优选为四氢呋喃、乙醚、甲基叔丁醚、乙基叔丁醚、苯甲醚、乙二醇二甲醚和1,4-二氧六环中的一种或多种。所述的酮类溶剂优选为丙酮。所述的酯类溶剂优选为乙酸乙酯和/或乙二醇二乙酸酯。所述的酰胺类溶剂优选为N,N-二甲基甲酰胺(DMF)。更佳地,所述溶剂为醚类溶剂和/或卤代烃类溶剂;进一步地,所述溶剂为乙醚和/或二氯甲烷。
所述的加成反应中,所述的溶剂的用量可以不做具体的限定,只要不影响反应进行即可。所述的溶剂可以经过无水处理(无水处理的操作和和方法为本领域常规的操作和方法)。较佳地,所述的含片段II的化合物在所述的溶剂中的浓度可以为本领域常规的浓度,优选0.01~5.00mol/L(例如0.625或2.00mol/L),还可以优选为0.01~0.20mol/L。
所述的加成反应中,所述的钯催化剂可为本领域此类反应常规,较佳地,所述的钯催化剂为醋酸钯、三氟乙酸钯、季戊酸钯、二氯二乙腈钯、双(苯腈)氯化钯、氯化钯、溴化钯、碘化钯、四乙腈四氟硼酸钯、六氟乙酰丙酮钯、二(乙酰丙酮)钯、四乙腈三氟甲磺酸酸钯、新戊酸钯、(1E,4E)-双(二亚芐基丙酮)钯、双(二亚苄基丙酮)二钯和三(二亚苄基丙酮)二钯中的一种或多种;更佳地,所述的钯催化剂为醋酸钯。
所述的加成反应中,所述的钯催化剂的用量可为本领域此类反应常规的用量。较佳地,所述的钯催化剂与所述的含片段II的化合物的摩尔比为(1~50):100;优选为(1~10):100;例如5:100或10:100。
所述的加成反应中,所述的噁唑啉配体的用量可以为本领域此类反应常规的用量。所述的噁唑啉配体与所述的含片段II的化合物的摩尔比为(1~75):100,例如7.5:100或15:100。
所述的加成反应中,所述的钯催化剂与所述的噁唑啉配体的摩尔比可以为本领此类反应常规的摩尔比,优选1:(0.5~3),例如1:1.5。
所述的加成反应中,所述的氧化剂可为本领域此类反应常规的氧化剂,较佳地,所述的氧化剂为苯醌和/或PhI(OAc)2。
所述的加成反应中,所述的氧化剂与所述的含片段II的化合物的摩尔比优选为(1.0~5.0):1,还可以为(1.0~3.0):1,例如1.2:1、或3:1。
所述的加成反应中,所述的含片段III的化合物与所述的含片段II的化合物的摩尔比优选为(1.0~100):1,更优选为(2.5~10):1,例如5:1或10:1。
所述的加成反应中,所述的加成反应的温度可为本领域此类反应常规的温度,较佳地,所述的加成反应的温度为-20~30℃,还可以为0~20℃。
所述的加成反应中,所述的加成反应还可以在保护气体下进行。所述的保护气体可以为氮气和/或氩气。
所述的加成反应中,所述的加成反应的进程可以采用本领域常规的检测方法(例如TLC、HPLC、HNMR)进行监测,优选以所述的含片段II的化合物消失或者不再反应作为反应的终点。所述的加成反应的时间可以为1~168小时,优选为10~72小时,例如16小时、24小时、36小时、48小时或72小时。
较佳地,所述的加成反应还包括以下后处理步骤:向反应液中加入溶剂,浓缩,纯化,即可。所述的后处理步骤中,溶剂为醇类溶剂(例如甲醇),或酮类溶剂(例如丙酮)和水。
在本发明某一实施方案中,某些基团的定义如下,未定义的基团同前所述(以下简称某一方案):R5-1、R5-2、R5-3、R7-1和R7-2独立地为1个或多个,当为多个时,相同或不同,所述的多个为2、3或4个。
在某一方案中:当R5和R6独立地为未取代的C1-C10烷基时,所述的C1-C10烷基为C1-C4烷基,例如甲基或乙基。
在某一方案中:当R5和R6独立地为未取代的C3-C8环烷基时,所述的C3-C8环烷基为C3-C6单环环烷基,例如环戊基或环己基。
在某一方案中:当R5和R6独立地为未取代的C6-C30芳基时,所述的C6-C30芳基为C6-C10芳基,例如苯基。
在某一方案中:当R7为未取代的C6-C30芳基时,所述的C6-C30芳基为C6-C10芳基,例如苯基。
在某一方案中:R5和R6独立地为氢、未取代的C1-C10烷基、未取代的C3-C8环烷基、或未取代的C6-C30芳基。
在某一方案中:R7为未取代的C6-C30芳基。
在某一方案中:R5和R6相同,或者,R5和R6不同,且有一个为H。
在某一方案中:R5和R6独立地为氢、甲基、乙基、环戊基、环己基或苯基。
在某一方案中:R7为苯基。
在某一方案中:
R5和R6独立地为氢、未取代的C1-C10烷基、未取代的C3-C8环烷基、或未取代的C6-C30芳基;
R7为未取代的C6-C30芳基。
在某一方案中:所述的噁唑啉配体为以下任一化合物,
在本发明某一实施方案中,所述的羧酸酯类化合物的制备方法为以下方法一或方法二;
方法一:溶剂中,在钯催化剂、噁唑啉配体和氧化剂的存在下,将如式II-A所示的化合物、如式III’所示的化合物和一氧化碳(CO)进行加成反应,得如式I-1-A所示的化合物和/或如式I-2-A所示的化合物;
方法二:溶剂中,在钯催化剂、噁唑啉配体和氧化剂的存在下,将如式II-B所示的化合物、如式III’所示的化合物和一氧化碳(CO)进行加成反应,得如式I-1-B所示的化合物和/或如式I-2-B所示的化合物;
方法一和方法二中,所述的加成反应的操作和条件如前任一项所述;
其中,用*标注的碳是指S构型手性碳或R构型手性碳;
R1为氢、或R1-1取代或未取代的C1-C30烷基;
R1-1为氰基、羟基、硝基、卤素、C3-C15的环烷基、R1-1a取代或未取代的C6-C30芳基、“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基、C2-C10烯基、-O(CH2)nR1-1b、-S(=O)2R1-1c、-OC(=O)R1-1d、-C(=O)OR1-1e、-C(=O)R1-1h或n为0-10的整数;
R1-1a为卤素、C1-C10烷基、C1-C10烷氧基、氰基、C6-C30芳基或被一个或多个卤素取代的C1-C10烷基;
R1-1b-1a、R1-1b-1b、R1-1b-1c、R1-1b-1d和R1-1b-1e独立地为C1-C10烷基;
R1-1b-1f和R1-1b-1g独立地为C2-C10烯基、或被一个或多个C1-C10烷基取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基;
R1-1c、R1-1f和R1-1g独立地为氢、C6-C30芳基或对甲苯磺酰基;
R1-1d为R1-1d-1取代或未取代的C1-10烷基、R1-1d-2取代或未取代的C2-10烯基、R1-1d-3取代或未取代的C2-10炔基、R1-1d-4取代或未取代的C6-30芳基、R1-1d-5取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基;
R1-1d-2和R1-1d-3独立地为C6-C30芳基;
R1-1d-4为-C(=O)OR1-1d-4a;R1-1d-4a为C2-C10烯基、或被一个或多个-OC(=O)R1-1d-4a-1取代的C1-C10烷基;R1-1d-4a-1为C1-C10烷基;
R1-1d-5为对甲苯磺酰基;
R1-1h为C2-C10烯基、或被一个或多个-OC(=O)R1-1h-1取代的C1-C10烷基;R1-1h-1为C1-C10烷基;
R2为氢、R2-1取代或未取代的C1-C30烷基、R2-2取代或未取代的C6-C30芳基、或C2-C10烯基;
R2-1为氰基、羟基、硝基、卤素、C3-C15的环烷基、R2-1a取代或未取代的C6-C30芳基、“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基、C2-C10烯基、-O(CH2)nR2-1b、-S(=O)2R2-1c、-OC(=O)R2-1d、-C(=O)OR2-1e、-C(=O)R2-1h或
R2-2为卤素、C1-C10烷基、C1-C10烷氧基、氰基、C6-C30芳基或被一个或多个卤素取代的C1-C10烷基;
R2-1a为卤素、C1-C10烷基、C1-C10烷氧基、氰基、C6-C30芳基或被一个或多个卤素取代的C1-C10烷基;
R2-1b-1a、R2-1b-1b、R2-1b-1c、R2-1b-1d和R2-1b-1e独立地为C1-C10烷基;
R2-1b-1f和R2-1b-1g独立地为C2-C10烯基、或C1-C10烷基取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基;
R2-1c、R2-1f和R2-1g独立地为氢、C6-C30芳基或对甲苯磺酰基;
R2-1d为R2-1d-1取代或未取代的C1-10烷基、R2-1d-2取代或未取代的C2-10烯基、R2-1d-3取代或未取代的C2-10炔基、R2-1d-4取代或未取代的C6-30芳基、R2-1d-5取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基;
R2-1d-2和R2-1d-3独立地为C6-C30芳基;
R2-1d-4为-C(=O)OR2-1d-4a;R2-1d-4a为C2-C10烯基;
R2-1d-5为对甲苯磺酰基;
R2-1e为氢或C1-C10烷基;
R2-1h为C2-C10烯基;
m1、m2、m3和m4独立地为0、1、2、3、4、5或6。
在某一方案中:R1-1、R1-1a、R1-1b-1、R1-1d-1、R1-1d-2、R1-1d-3、R1-1d-4、R1-1d-5、R1-1d-1a-1、R8-1和R8-1a-1独立地为1个或多个,当为多个时,相同或不同,当为多个时,所述的多个优选为2、3或4个。
在某一方案中:当R1-1为卤素时,所述的卤素为氟、氯、溴或碘,优选氯或溴。
在某一方案中:当R1-1为C3-C15的环烷基时,所述的C3-C15的环烷基为单环C3-C15的环烷基、稠环C3-C15的环烷基、螺环C3-C15的环烷基或桥环C3-C15的环烷基,优选单环C3-C15的环烷基;
所述的单环C3-C15的环烷基优选C3-C6的环烷基,例如环丙基、环丁基、环戊基或环己基,更优选环己基。
在某一方案中:当R1-1为R1-1a取代或未取代的C6-C30芳基时,所述的C6-C30芳基为C6-C10芳基,优选苯基或萘基。
在某一方案中:当R1-1a为卤素时,所述的卤素为氟、氯、溴或碘,优选氟或碘。
在某一方案中:当R1-1a为C1-C10烷基时,所述的C1-C10烷基为C1-C6烷基,例如甲基、乙基、丙基、异丙基、正丁基、异丁基、仲丁基或叔丁基,优选叔丁基。
在某一方案中:当R1-1a为C6-C30芳基时,所述的C6-C30芳基为C6-C10芳基,优选苯基。
在某一方案中:当R1-1b为R1-1b-1取代或未取代的C6-C30芳基时,所述的C6-C30芳基为C6-C10芳基,优选苯基或萘基。
在某一方案中:当R1-1b为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基或5-15元的双环杂芳基,优选“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基;
在某一方案中:n为0、1、2、3、4、5或6,优选n为0或1。
在某一方案中:当R1-1b-1为C1-C10烷基时,所述的C1-C10烷基为C1-C6烷基,例如甲基、乙基、丙基、异丙基、正丁基、异丁基、仲丁基或叔丁基,优选叔丁基。
在某一方案中:当R1-1b-1a、R1-1b-1b、R1-1b-1c、R1-1b-1d和R1-1b-1e独立地为C1-C10烷基时,所述的C1-C10烷基独立地为C1-C6烷基,例如甲基、乙基、丙基、异丙基、正丁基、异丁基、仲丁基或叔丁基,优选甲基。
在某一方案中:当R1-1b-1g为被一个或多个C1-C10烷基取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,C1-C10烷基的个数为1、2或3个。
在某一方案中:当R1-1b-1g为C1-C10烷基取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基或5-15元的双环杂芳基,优选“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的双环杂芳基;
在某一方案中:当R1-1b-1g为被一个或多个C1-C10烷基取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的C1-C10烷基为C1-C6烷基,例如甲基、乙基、丙基、异丙基、正丁基、异丁基、仲丁基或叔丁基,优选乙基。
在某一方案中:当R1-1c、R1-1f和R1-1g独立地为C6-C30芳基时,所述的C6-C30芳基独立地为C6-C10芳基,优选苯基。
在某一方案中:当R1-1d为R1-1d-1取代或未取代的C1-10烷基时,所述的C1-10烷基为C1-C6烷基,例如甲基、乙基、丙基、异丙基、正丁基、异丁基、仲丁基或叔丁基,优选甲基或异丙基。
在某一方案中:当R1-1d为R1-1d-4取代或未取代的C6-30芳基时,所述的C6-30芳基为C6-10芳基,优选苯基。
在某一方案中:当R1-1d为R1-1d-5取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基或5-15元的双环杂芳基。
所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的双环杂芳基优选“杂原子选自N、O和S中的一种或多种,杂原子个数为1或2个”的8-10元的双环杂芳基,例如苯并呋喃基苯并噻吩基或吲哚基
在某一方案中:当R1-1d-1a为R1-1d-1a-1取代或未取代的C6-C30芳基时,所述的C6-C30芳基为C6-C10芳基,优选苯基。
在某一方案中:当R1-1d-1a-1为被一个或多个卤素取代的C3-C15环烷基时,所述的卤素的个数为1、2或3个。
在某一方案中:当R1-1d-1a-1为被一个或多个卤素取代的C3-C15环烷基时,所述的卤素为氟、氯、溴或碘,优选氯。
在某一方案中:当R1-1d-1a-1为被一个或多个卤素取代的C3-C15环烷基时,所述的C3-C15环烷基为C3-C15单环环烷基、C3-C15稠环环烷基、C3-C15螺环环烷基或C3-C15桥环环烷基,优选C3-C15单环环烷基。
所述的C3-C15单环环烷基优选C3-C6单环环烷基,例如环丙基。
在某一方案中:当R1-1d-2和R1-1d-3独立地为C6-C30芳基时,所述的C6-C30芳基独立地为C6-C10芳基,优选苯基。
在某一方案中:当R1-1e为C1-C10烷基时,所述的C1-C10烷基为C1-C6烷基,例如甲基、乙基、丙基、异丙基、正丁基、异丁基、仲丁基或叔丁基,优选甲基或乙基。
在某一方案中:R2-1、R2-2、R2-1a、R2-1b-1、R2-1d-1、R2-1d-2、R2-1d-3、R2-1d-4、R2-1d-5和R2 -1d-1a-1独立地为1个或多个,当为多个时,相同或不同,当为多个时,所述的多个优选为2、3或4个。
在某一方案中:当R2为R2-1取代或未取代的C1-C30烷基时,所述的C1-C30烷基为C1-C10烷基,优选C1-C6烷基,例如甲基、乙基、丙基、异丙基、正丁基、异丁基、仲丁基或叔丁基,又例如甲基。
在某一方案中:当R2为R2-2取代或未取代的C6-C30芳基时,所述的C6-C30芳基为C6-C10芳基,优选苯基或萘基。
在某一方案中:当R2为C2-C10烯基时,所述的C2-C10烯基为C2-C4烯基,例如乙烯基。
在某一方案中:当R2-2为卤素时,所述的卤素为氟、氯、溴或碘,优选氟或氯。
在某一方案中:当R2-2为C1-C10烷基时,所述的C1-C10烷基为C1-C6烷基,例如甲基、乙基、丙基、异丙基、正丁基、异丁基、仲丁基或叔丁基。
在某一方案中:当R2-2为C1-C10烷氧基时,所述的C1-C10烷氧基为C1-C4烷氧基,例如甲氧基。
在某一方案中:当R2-2为C6-C30芳基时,所述的C6-C30芳基为C6-C10芳基,优选苯基。
在某一方案中:当R2-2为被一个或多个卤素取代的C1-C10烷基时,所述的卤素的个数为1、2或3个。
在某一方案中:当R2-2为被一个或多个卤素取代的C1-C10烷基时,所述的卤素为氟、氯、溴或碘,优选氟。
在某一方案中:当R2-2为被一个或多个卤素取代的C1-C10烷基时,所述的C1-C10烷基为C1-C6烷基,例如甲基、乙基、丙基、异丙基、正丁基、异丁基、仲丁基或叔丁基,优选甲基。
在某一方案中:当R8为R8-1取代或未取代的C1-C10亚烷基时,R8-1的个数为1、2或3个。
在某一方案中:当R8为R8-1取代或未取代的C1-C10亚烷基时,所述的C1-C10亚烷基为C1-C6亚烷基,例如亚甲基、亚乙基、亚丙基、亚异丙基、亚正丁基、亚异丁基、亚仲丁基或亚叔丁基,又例如亚甲基或亚乙基。
在某一方案中:m1、m2、m3和m4独立地为1、2或3。
在某一方案中:当R1-1为R1-1a取代或未取代的C6-C30芳基时,R1-1为以下任一结构,
在某一方案中:当R1-1为-O(CH2)nR1-1b时,R1-1为以下任一结构,
在某一方案中:当R1-1为-OC(=O)R1-1d时,R1-1为以下任一结构,
在某一方案中:当R1-1为-C(=O)OR1-1e时,R1-1为以下任一结构,
在某一方案中:R1为R1-1取代或未取代的C1-C30烷基。
在某一方案中:R1-1为氰基、羟基、硝基、卤素、C3-C15的环烷基、R1-1a取代或未取代的C6-C30芳基、C2-C10烯基、-O(CH2)nR1-1b、-S(=O)2R1-1c、-OC(=O)R1-1d、-C(=O)OR1-1e、-C(=O)R1-1h或
在某一方案中:R1-1为氰基、羟基、硝基、卤素、C3-C15的环烷基、C2-C10烯基、-O(CH2)nR1-1b、-S(=O)2R1-1c、-OC(=O)R1-1d、-C(=O)OR1-1e、-C(=O)R1-1h或
在某一方案中:R1-1a为卤素、C1-C10烷基或C6-C30芳基。
在某一方案中:R1-1d为R1-1d-1取代或未取代的C1-10烷基、R1-1d-2取代或未取代的C2-10烯基、R1-1d-3取代或未取代的C2-10炔基、未取代的C6-30芳基、R1-1d-5取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基。
在某一方案中:R1-1h为C2-C10烯基。
在某一方案中:R1-1为以下任一结构,
在某一方案中:所述的如式II-A所示的化合物选自以下任一化合物:
在某一方案中:所述的如式II-B所示的化合物选自以下任一化合物:
在某一方案中:R2为氢、未取代的C1-C30烷基、或R2-2取代或未取代的C6-C30芳基。
在某一方案中:R2-2为卤素、C1-C10烷基、C1-C10烷氧基、C6-C30芳基或被一个或多个卤素取代的C1-C10烷基。
在某一方案中:所述的如式III’所示的化合物选自以下任一化合物:
本发明还提供了一种手性β-酰氧基羧酸酯类化合物的制备方法,其包括以下步骤:
(1)溶剂中,在钯催化剂、噁唑啉配体和氧化剂的存在下,将含片段II的化合物、含片段III的化合物和一氧化碳(CO)进行加成反应;
(2)溶剂中,将所述的加成反应的产物与甲基化试剂进行甲基化反应,得含片段I的β-酰氧基羧酸酯类化合物;
其中,*、R5、R6和R7的定义如前任一项所述;
步骤(1)的反应操作和条件如前任一项所述。
步骤(2)中,所述的甲基化反应的操作和条件可为本领域此类反应常规。具体的:
步骤(2)中,所述的溶剂可为本领域此类反应常规,较佳地,所述溶剂为醇类溶剂和/或取代芳烃类溶剂。所述的醇类溶剂优选为甲醇和/或乙醇。所述的取代芳烃类溶剂优选为氯苯、甲苯和三氟甲基苯中的一种或多种。更佳地,所述溶剂为甲醇和/甲苯的混合溶剂。
步骤(2)中,所述的溶剂的用量可以不做具体的限定,只要不影响反应进行即可。
步骤(2)中,所述的甲基化试剂可为本领域此类反应常规的甲基化试剂,优选为TMSCHN2。
步骤(2)中,所述的甲基化试剂的用量可为本领域此类反应常规用量,较佳地,所述的甲基化试剂与步骤(1)中所述的含片段II的化合物的摩尔比为(2-10):1,例如4:1。
步骤(2)中,所述的甲基化反应的温度可为本领域此类反应常规的温度,较佳地,所述的甲基化反应的温度为20~30℃。
步骤(2)中,所述的甲基化反应的进程可以采用本领域常规的检测方法(例如TLC、HPLC、HNMR)进行监测。所述的甲基化反应的时间可以为1~10小时,优选为2~6小时,例如4小时或6小时。
较佳地,步骤(1)还包括以下后处理步骤:向反应液中加入溶剂,浓缩,即可进行下一步反应。步骤(1)的后处理步骤中,所述的溶剂为醇类溶剂(例如甲醇)。
在本发明某一实施方案中,所述的羧酸酯类化合物的制备方法为以下方法A或方法B:
方法A:
(1)溶剂中,在钯催化剂、噁唑啉配体和氧化剂的存在下,将如式II-A所示的化合物、如式III’所示的化合物和一氧化碳(CO)进行加成反应;
(2)溶剂中,将所述的加成反应的产物与甲基化试剂进行甲基化反应,得如式I’-A所示的β-酰氧基羧酸酯类化合物;
方法B:
(1)溶剂中,在钯催化剂、噁唑啉配体和氧化剂的存在下,将如式II-B所示的化合物、如式III’所示的化合物和一氧化碳(CO)进行加成反应;
(2)溶剂中,将所述的加成反应的产物与甲基化试剂进行甲基化反应,得如式I’-B所示的β-酰氧基羧酸酯类化合物;
方法A或方法B中,所述的加成反应的操作和条件如前任一项所述;
*、R1、R2和R8的定义如前任一项所述。
在某一方案中:所述的如式I’-A所示的化合物选自以下任一化合物:
在某一方案中:所述的如式I’-B所示的化合物选自以下任一化合物:
本发明还提供了一种如下式化合物,
定义
本发明中,“室温”是指10~30℃。
本发明中,术语“卤素”是指氟、氯、溴或碘。
本发明中,术语“烷基”是指具有指定的碳原子数的直链或支链的饱和烃基团。烷基的实例包括甲基、乙基、正丙基、异丙基、正丁基、叔丁基、异丁基、仲丁基、正戊基、正己基、正庚基、正辛基及其类似烷基。
本发明中,术语“烯基”是指具一个或多个碳碳双键并且没有碳碳三键的直链或支链的烃基团。该一个或多个碳碳双键可以是内部的(例如在2-丁烯基中)或末端的(例如在1-丁烯基中)。
本发明中,术语“炔基”是指一个或多个碳碳三键以及任选地一个或多个碳碳双键的直链或支链的烃基团。
本发明中,术语“环烷基”是指饱和的单环、或者包含稠合的、桥联的或螺的多环系统的碳环取代基。
本发明中,“杂环烷基”是指非芳香族环系统的“杂环烷基”。杂环烷基团或者可以是单环的(“单环的杂环基”)或者是稠合的、桥联的或螺的环系统(例如二环系统(“二环的杂环基”))并且可以是饱和的或可以是部分不饱和的。
本发明中,“杂环烯基”是指含有烯键的、不饱和的非芳香族环系统的“杂环基”。杂环烯基团或者可以是单环的(“单环的杂环烯基”)或者是稠合的、桥联的或螺的环系统(例如二环系统(“二环的杂环烯基”))并且可以是饱和的或可以是部分不饱和的。在一些实施例中,杂环烯基是指杂原子为N、O和S中的一种或多种,杂原子数为1~2个,5~6元的杂环烯基。
本发明中,术语“烷氧基”表示通过氧桥连接的环状或者非环状烷基,烷基和环烷基的定义均如前所述。
本发明中,“芳基”是指具有6-14个原子以及零个杂原子、单环的或多环的(例如,二环的或三环的)4n+2芳香族环系统(例如,在循环阵列中具有6,10,或14个共享的p电子)的基团(“C6-C14芳基”)。
本发明中,“杂芳基”是指具有碳原子以及提供在该芳香族环系统中的1-4个杂原子(其中每个杂原子独立地选自氮、氧以和硫中的一种或多种,杂原子个数为1、2、3或4个)的5-10元单环的或二环的4n+2芳香族环系统(例如,在循环阵列中具有6或10个共享的p电子)的基团(“5-10元杂芳基”)。在包含一个或多个氮原子的杂芳基基团中,连接点可以是碳或氮原子,只要化合价允许。
在符合本领域常识的基础上,上述各优选条件,可任意组合,即得本发明各较佳实例。
本发明所用试剂和原料均市售可得。
本发明的积极进步效果在于:本发明的β-酰氧基羧酸酯类化合物的制备方法收率高、底物普适性广、官能团兼容性好、或者对应选择性控制较好,而且还具有反应条件温和和操作简单。
附图说明
图1为实施例1中式I’-46所示的化合物的X-射线单晶衍射图。
具体实施方式
下面通过实施例的方式进一步说明本发明,但并不因此将本发明限制在所述的实施例范围之中。下列实施例中未注明具体条件的实验方法,按照常规方法和条件,或按照商品说明书选择。
实施例1β-酰氧基羧酸酯类化合物的制备
通用操作步骤1:在10mL反应管内,吡啶-噁唑啉配体L(R构型)(9.5mg,0.0375mmol,7.5mol%)、Pd(OAc)2(5.6mg,0.05mmol,5mol%)和苯醌(162.1mg,1.5mmol,3.0equiv)和)在一氧化碳气体保护下,依次向反应管内加入Et2O(0.25mL),式A-2化合物(290.4mg,2.5mmol,5.0equiv)和式II’所示的烯烃(0.5mmol,1.0equiv)。反应在室温下搅拌反应72小时。反应结束后,加入1mL甲醇,搅拌1小时,浓缩。将所得粗产物溶于1mL甲醇和1mL甲苯中,滴加1mL TMSCHN2(2M正己烷溶液),搅拌6小时。反应液浓缩,快速柱层析分离(石油醚/乙酸乙酯)得到目标产物。
通用操作步骤2:在10mL反应管内,吡啶-噁唑啉配体L(R构型)(9.5mg,0.0375mmol,7.5mol%)、Pd(OAc)2(5.6mg,0.05mmol,5mol%)和苯醌(162.1mg,1.5mmol,3.0equiv)和)在一氧化碳气体保护下,依次向反应管内加入Et2O(0.25mL),式A-2化合物(290.4mg,2.5mmol,5.0equiv)和式II’所示的烯烃(0.5mmol,1.0equiv)。反应在0℃下搅拌反应72小时。反应结束后,加入1mL甲醇,搅拌1小时,浓缩。将所得粗产物溶于1mL甲醇和1mL甲苯中,滴加1mL TMSCHN2(2M正己烷溶液),搅拌6小时。反应液浓缩,快速柱层析分离(石油醚/乙酸乙酯)得到目标产物。
通用操作步骤3:在10mL反应管内,吡啶-噁唑啉配体L(R构型)(9.5mg,0.0375mmol,7.5mol%)、Pd(OAc)2(5.6mg,0.05mmol,5mol%)和苯醌(162.1mg,1.5mmol,3.0equiv)和)在一氧化碳气体保护下,依次向反应管内加入Et2O(0.25mL),式A-2化合物(290.4mg,2.5mmol,5.0equiv)和式II’所示的烯烃(0.5mmol,1.0equiv)。反应在-10℃下搅拌反应72小时。反应结束后,加入1mL甲醇,搅拌1小时,浓缩。将所得粗产物溶于1mL甲醇和1mL甲苯中,滴加1mL TMSCHN2(2M正己烷溶液),搅拌6小时。反应液浓缩,快速柱层析分离(石油醚/乙酸乙酯)得到目标产物。
通用操作步骤4:在10mL反应管内,吡啶-噁唑啉配体L(R构型)(9.5mg,0.0375mmol,7.5mol%)、Pd(OAc)2(5.6mg,0.05mmol,5mol%)和苯醌(162.1mg,1.5mmol,3.0equiv)和)在一氧化碳气体保护下,依次向反应管内加入Et2O(0.25mL),式A-2化合物(290.4mg,2.5mmol,5.0equiv)和式II’所示的烯烃(0.5mmol,1.0equiv)。反应在0℃下搅拌反应72小时。反应结束后,加入2mL丙酮和0.2mL水,搅拌4小时,浓缩。快速柱层析分离(石油醚/乙酸乙酯/甲醇)得到目标产物。
通用操作步骤5:在10mL反应管内,吡啶-噁唑啉配体L(R构型)(9.5mg,0.0375mmol,7.5mol%)、Pd(OAc)2(5.6mg,0.05mmol,5mol%)和苯醌(324.2mg,3mmol,6.0equiv)和)在一氧化碳气体保护下,依次向反应管内加入Et2O(0.8mL),式A-2化合物(380.8mg,5mmol,10.0equiv)和式II’所示的烯烃(0.5mmol,1.0equiv)。反应在室温下搅拌反应72小时。反应结束后,加入1mL甲醇,搅拌1小时,浓缩。将所得粗产物溶于1mL甲醇和1mL甲苯中,滴加1mL TMSCHN2(2M正己烷溶液),搅拌6小时。反应液浓缩,快速柱层析分离(石油醚/乙酸乙酯)得到目标产物。
通用操作步骤6:在10mL反应管内,吡啶-噁唑啉配体L(S构型)(9.5mg,0.0375mmol,7.5mol%)、Pd(OAc)2(5.6mg,0.05mmol,5mol%)和苯醌(162.1mg,1.5mmol,3.0equiv)和)在一氧化碳气体保护下,依次向反应管内加入Et2O(0.25mL),式A-2化合物(290.4mg,2.5mmol,5.0equiv)和式II’所示的烯烃(0.5mmol,1.0equiv)。反应在0℃下搅拌反应72小时。反应结束后,加入1mL甲醇,搅拌1小时,浓缩。将所得粗产物溶于1mL甲醇和1mL甲苯中,滴加1mL TMSCHN2(2M正己烷溶液),搅拌6小时。反应液浓缩,快速柱层析分离(石油醚/乙酸乙酯)得到目标产物。
化合物I’-1:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=20:1)得到油状液体产物。(89.2mg,73%收率,88%ee).[α]D 29.0=-3.47(c 1.00,CHCl3).1H NMR(400MHz,CDCl3)δ5.26-5.19(m,1H),3.64(s,3H),2.59(dd,J=3.2,15.2Hz,1H),2.52(dd,J=5.2,15.2Hz,1H),2.18-2.10(m,1H),1.68-1.41(m,6H),1.40-1.25(m,2H),0.91(t,J=7.2Hz,3H),0.89-0.84(m,6H).13C NMR(100MHz,CDCl3)δ175.49,170.90,69.99,51.64,49.11,39.15,36.12,25.00,24.96,18.35,13.76,11.74,11.67.HRMS:m/z(ESI-TOF)计算[M+Na]+:267.1567,实测:267.1574.IR(ATR)ν(cm-1)=2962,2876,1731,1437,1384,1268,1228,1171,1146,1082,1017,813,742.Chiral GC(CP Chirasil-DEX CB Varian,25m×0.25mm,0.25μm膜厚,使用氮气(10.0psi)作为载气.柱温箱:初始温度=50℃,保温2min,然后加热(2℃/min)to 150℃,保温20min,用FID检测)保留时间=48.99min(次要)and 49.25min(主要).
化合物I’-2:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=20:1)得到油状液体产物。(109.6mg,85%收率,91%ee).[α]D 28.9=-2.51(c 0.94,CHCl3).1H NMR(400MHz,CDCl3)δ5.26-5.19(m,1H),3.65(s,3H),2.59(dd,J=7.6,15.2Hz,1H),2.53(dd,J=5.2,15.2Hz,1H),2.20-2.12(m,1H),1.69-1.53(m,4H),1.52-1.42(m,2H),1.36-1.25(m,4H),0.90-0.85(m,9H).13C NMR(100MHz,CDCl3)δ175.48,170.91,70.18,51.66,49.12,39.15,33.67,27.18,25.03,24.98,22.35,13.87,11.76,11.69.HRMS:m/z(ESI-TOF)计算[M+Na]+:281.1723,实测:281.1728.IR(ATR)ν(cm-1)=2961,1875,1731,1459,1437,1383,1267,1170,1146,1082,995,813,740.Chiral GC(CP Chirasil-DEX CB Varian,25m×0.25mm,0.25μm膜厚,使用氮气(10.0psi)作为载气.柱温箱:初始温度=50℃,保温2min,然后加热(2℃/min)to 165℃,用FID检测)保留时间=53.96min(次要)and 54.18min(主要).
化合物I’-3:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=20:1)得到油状液体产物。(124.5mg,83%收率,87%ee).[α]D 24.3=0.88(c 0.580,CHCl3).1H NMR(400MHz,CDCl3)δ5.25-5.18(m,1H),3.64(s,3H),2.58(dd,J=7.6,15.6Hz,1H),2.52(dd,J=6.0,15.6Hz,1H),2.18-2.10(m,1H),1.62-1.41(m,6H),1.28-1.24(m,8H),0.88-0.83(m,9H).13CNMR(100MHz,CDCl3)δ175.47,170.90,70.18,51.65,49.11,39.13,33.97,31.61,28.92,25.04,24.99,22.47,13.98,11.75,11.69.HRMS:m/z(ESI-TOF)计算[M+Na]+:309.2036,实测:309.2031.IR(ATR)ν(cm-1)=2960,2930,2860,1731,1459,1437,1383,1268,1227,1170,1146,1082,1014.HPLC:(IG,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=8.26min(主要)and 11.41min(次要).
化合物I’-4:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=20:1)得到油状液体产物。(140.4mg,82%收率,85%ee).[α]D 24.6=0.60(c 0.73,CHCl3).1H NMR(400MHz,CDCl3)δ5.25-5.18(m,1H),3.64(s,3H),2.58(dd,J=7.2,15.2Hz,1H),2.52(dd,J=5.6,15.6Hz,1H),2.18-2.11(m,1H),1.62-1.42(m,6H),1.28-1.23(m,16H),0.88-0.84(m,9H).13C NMR(100MHz,CDCl3)δ175.47,170.90,70.19,51.66,49.12,39.13,33.98,31.85,29.53,29.46,29.42,29.28,29.26,25.04,25.01,22.64,14.07,11.77,11.70.HRMS:m/z(ESI-TOF)计算[M+Na]+:365.2662,实测:365.2662.IR(ATR)ν(cm-1)=2960,2930,2860,2854,1733,1731,1459,1437,1383,1268,1227,1146,1081,1044,1014,997,734.HPLC:(IG,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=6.75min(主要)and 9.38min(次要).
化合物I’-5:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=20:1)得到油状液体产物。(160.0mg,75%收率,84%ee).[α]D 22.5=-0.47(c 1.30,CHCl3).1H NMR(400MHz,CDCl3)δ5.26-5.19(m,1H),3.65(s,3H),2.59(dd,J=7.6,15.2Hz,1H),2.53(dd,J=5.6,15.6Hz,1H),2.19-2.12(m,1H),1.67-1.42(m,6H),1.29-1.17(m,22H),0.89-0.84(m,9H).13C NMR(100MHz,CDCl3)δ175.48,170.92,70.21,51.68,49.13,39.16,34.00,31.89,29.65,29.63,29.62,29.59,29.48,29.44,29.33,29.28,25.06,25.02,22.66,14.09,11.79,11.72.HRMS:m/z(ESI-TOF)计算[M+Na]+:407.3132,实测:407.3126.IR(ATR)ν(cm-1)=2923,2853,1734,1459,1382,1268,1229,1172,1146,1082,721.HPLC:(IG,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=5.98min(主要)and7.57min(次要).
化合物I’-6:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=20:1)得到油状液体产物。(160.0mg,75%收率,82%ee).[α]D 22.8=0.55(c 1.20,CHCl3).1H NMR(400MHz,CDCl3)δ5.26-5.19(m,1H),3.66(s,3H),2.60(dd,J=7.6,15.2Hz,1H),2.54(dd,J=5.6,15.6Hz,1H),2.20-2.12(m,1H),1.66-1.53(m,4H),1.53-1.43(m,2H),1.32-1.24(m,28H),0.90-0.85(m,9H).13C NMR(100MHz,CDCl3)δ175.50,170.94,70.24,51.68,49.14,39.18,34.02,31.91,29.68,29.64,29.60,29.49,29.45,29.34,29.29,25.05,25.00,22.67,14.09,11.79,11.71.HRMS:m/z(ESI-TOF)计算[M+Na]+:449.3601,实测:449.3596.IR(ATR)ν(cm-1)=2923,2853,1734,1460,1437,1383,1268,1228,1172,1146,1082,1013,756.HPLC:(IG,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=5.54min(主要)and 6.92min(次要).
化合物I’-7:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(93.2mg,69%收率,91%ee).[α]D 24.7=-0.98(c 0.54,CHCl3).1H NMR(400MHz,CDCl3)δ5.25-5.18(m,1H),4.71(s,1H),4.66(s,1H),3.65(s,3H),2.61(dd,J=7.6,15.6Hz,1H),2.55(dd,J=5.6,15.6Hz,1H),2.20-2.12(m,1H),2.08-1.97(m,2H),1.83-1.71(m,2H),1.70(s,3H),1.65-1.42(m,4H),0.87(t,J=7.6Hz,3H),0.84(t,J=7.6Hz,3H).13C NMR(100MHz,CDCl3)δ175.42,170.74,144.45,110.49,69.86,51.66,49.05,38.97,33.16,31.92,24.99,24.92,22.29,11.76,11.67.HRMS:m/z(ESI-TOF)计算[M+Na]+:293.1723,实测:193.1722.IR(ATR)ν(cm-1)=2965,1935,1734,1459,1438,1269,1228,1174,1147,1083,1019,888.Chiral GC(CP Chirasil-DEX CB Varian,25m×0.25mm,0.25μm膜厚,使用氮气(10.0psi)作为载气.柱温箱:初始温度=50℃,保温2min,然后加热(2℃/min)to 160℃,保温20min,用FID检测)保留时间=58.40min(次要)and 58.63min(主要).
化合物I’-8:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(122.0mg,92%收率,91%ee).[α]D 28.9=-5.39(c 0.73,CHCl3).1H NMR(400MHz,CDCl3)δ5.39-5.31(m,1H),3.66(s,3H),3.58-3.50(m,2H),2.69-2.58(m,2H),2.22-2.04(m,3H),1.66-1.43(m,4H),0.87(t,J=7.2Hz,3H),0.86(t,J=7.2Hz,3H).13C NMR(100MHz,CDCl3)δ175.33,170.25,67.64,51.78,48.99,40.30,38.81,36.71,24.98,24.90,11.73,11.65.HRMS:m/z(ESI-TOF)计算[M+Na]+:287.1021,实测:287.1028.IR(ATR)ν(cm-1)=2964,1732,1437,1385,1267,1226,1168,1142,1079,1042,947,737,660.HPLC:(OD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=11.68min(次要)and 12.13min(主要).
化合物I’-9:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(85.3mg,55%收率,92%ee).[α]D 28.9=-23.26(c 0.83,CHCl3).1H NMR(400MHz,CDCl3)δ5.36-5.29(m,1H),3.66(s,3H),3.43-3.32(m,2H),2.69-2.57(m,2H),2.31-2.12(m,3H),1.66-1.43(m,4H),0.90-0.85(m,6H).13C NMR(100MHz,CDCl3)δ175.32,170.20,68.56,51.80,48.98,38.67,36.92,27.97,24.97,24.90,11.75,11.66.HRMS:m/z(ESI-TOF)计算[M+Na]+:331.0515,实测:331.0522.IR(ATR)ν(cm-1)=2964,1731,1437,1384,1267,1169,1141,1080,1024,941.HPLC:(IG,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=15.57min(主要)and 16.37min(次要).
化合物I’-10:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(95.7mg,75%收率,91%ee).[α]D 28.9=-11.81(c 0.83,CHCl3).1H NMR(400MHz,CDCl3)δ5.28-5.21(m,1H),3.67(s,3H),2.68(dd,J=6.4,15.6,Hz,1H),2.57(dd,J=6.4,16.0,Hz,1H),2.40(t,J=7.6Hz,2H),2.23-2.15(m,1H),2.12-1.97(m,2H),1.66-1.44(m,4H),0.90-0.84(m,6H).13C NMR(100MHz,CDCl3)δ175.33,169.92,118.73,68.44,51.91,48.79,38.45,29.69,24.91,24.70,13.52,11.79,1.62.HRMS:m/z(ESI-TOF)计算[M+Na]+:278.1363,实测:278.1368.IR(ATR)ν(cm-1)=2964,1731,1386,1267,1166,1143,1080,1044,948,810,737.HPLC:(OD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=20.24min(主要)and 22.72min(次要).
化合物I’-11:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(128.5mg,84%收率,96%ee).[α]D 24.4=2.63(c 0.96,CHCl3).1H NMR(400MHz,CDCl3)δ7.30-7.26(m,2H),7.21-7.16(m,3H),5.34-5.28(m,1H),3.66(s,3H),2.74-2.55(m,4H),2.25-2.17(m,1H),2.05-1.89(m,2H),1.70-1.49(m,4H),0.94-0.89(m,6H).13C NMR(100MHz,CDCl3)δ175.40,170.59,141.03,128.39,128.19,125.97,69.77,51.64,49.02,39.03,35.74,31.44,24.98,24.91,11.80,11.68.HRMS:m/z(ESI-TOF)计算[M+Na]+:329.1723,实测:329.1730.IR(ATR)ν(cm-1)=2963,2934,2876,1730,1496,1455,1436,1384,1310,1267,1170,1144,1081,1030,746,698.HPLC:(IG,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=14.27min(次要)and 15.14min(主要).
化合物I’-12:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(174.9mg,81%收率,97%ee).[α]D 29.0=6.35(c 0.8,CHCl3).1H NMR(400MHz,CDCl3)δ7.58(d,J=8.4Hz,2H),6.92(d,J=8.4Hz,2H),5.29-5.22(m,1H),3.65(s,3H),2.67-2.51(m,4H),2.22-2.14(m,1H),2.00-1.84(m,2H),1.68-1.45(m,4H),0.92-0.87(m,6H).13C NMR(100MHz,CDCl3)δ175.44,170.53,140.67,137.45,130.35,91.08,69.56,51.74,49.01,39.01,35.49,31.01,24.99,24.90,11.85,11.72.HRMS:m/z(ESI-TOF)计算[M+Na]+:455.0690,实测:455.0692.IR(ATR)ν(cm-1)=2961,2874,1729,1484,1436,1383,1267,1170,1144,1080,1037,1005,829,798,740,508.HPLC:(AD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=8.61min(主要)and10.68min(次要).
化合物I’-13:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(184.8mg,80%收率,93%ee).[α]D 29.0=6.35(c 0.8,CHCl3).1H NMR(400MHz,CDCl3)δ7.73(d,J=8.4Hz,2H),6.86(d,J=8.8Hz,2H),5.33-5.28(m,1H),4.00-3.98(m,2H),3.66(s,3H),2.65(dd,J=7.6,15.6Hz,1H),2.58(dd,J=5.2,15.2Hz,1H),2.21-2.13(m,1H),1.86-1.79(m,4H),1.63-1.44(m,4H),1.32(s,12H),0.88(t,J=7.6Hz,6H).13C NMR(100MHz,CDCl3)δ175.48,170.65,161.41,136.45,113.77,83.47,69.75,66.97,51.70,49.04,39.09,30.64,24.96,24.90,24.79,11.79,11.67.HRMS:m/z(ESI-TOF)计算[M+Na]+:485.2681,实测:485.2694.IR(ATR)ν(cm-1)=2964,1732,1604,1437,1358,1317,1272,1243,1168,1141,1089,1011,962,859,831,735,670,654,521.HPLC:(AD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=7.96min(主要)and9.31min(次要).
化合物I’-14:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(160.4mg,90%收率,96%ee).[α]D 29.3=1.34(c 1.00,CHCl3).1H NMR(400MHz,CDCl3)δ7.82-7.77(m,3H),7.62(s,1H),7.48-7.41(m,2H),7.34-7.31(m,1H),5.40-5.32(m,1H),3.67(s,3H),2.92-2.76(m,2H),2.70(dd,J=7.6,15.2Hz,1H),2.62(dd,J=5.6,15.2Hz,1H),2.27-2.19(m,1H),2.15-1.99(m,2H),1.73-1.50(m,4H),0.96-0.91(m,6H).13CNMR(100MHz,CDCl3)δ175.45,170.62,138.53,133.53,131.99,128.01,127.53,127.35,126.96,126.28,125.92,125.21,69.84,51.68,49.04,39.07,35.63,31.64,24.99,24.91,11.83,11.71.HRMS:m/z(ESI-TOF)计算[M+Na]+:379.1880,实测:379.1878.IR(ATR)ν(cm-1)=2962,2933,2875,1729,1507,1458,1436,1383,1310,1268,1227,1171,1143,1081,1040,1014,956,890,853,815,745.HPLC:(AD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=8.05min(主要)and 10.27min(次要).
化合物I’-15:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(120.9mg,72%收率,91%ee).[α]D 29.5=9.07(c 0.94,CHCl3).1H NMR(400MHz,CDCl3)δ8.02-7.99(m,2H),7.57-7.53(m,1H),7.45-7.40(m,2H),5.64-5.57(m,1H),4.50(dd,J=3.6,12.0Hz,1H),4.44(dd,J=5.6,12.0Hz,1H),3.67(s,3H),2.81-2.68(m,2H),2.23-2.15(m,1H),1.66-1.42(m,4H),0.87-0.81(m,6H).13C NMR(100MHz,CDCl3)δ175.14,169.99,165.97,133.16,129.62,129.51,128.35,67.66,64.84,51.90,48.86,36.01,24.92,24.88,11.62,11.59.HRMS:m/z(ESI-TOF)计算[M+Na]+:359.1465,实测:359.1470.IR(ATR)ν(cm-1)=2964,2877,1722,1451,1438,1383,1265,1171,1143,1109,1069,1026,940,709.HPLC:(AD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=11.57min(主要)and 12.74min(次要).
化合物I’-16:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(168.0mg,86%收率,92%ee).[α]D 29.6=2.15(c 0.35,CHCl3).1H NMR(400MHz,CDCl3)δ7.82-7.78(m,2H),7.71-7.66(m,2H),5.28-5.21(m,1H),3.67(t,J=6.0Hz,2H),3.62(s,3H),2.59(dd,J=7.6,15.6Hz,1H),2.51(dd,J=5.6,15.2Hz,1H),2.17-2.09(m,1H),1.76-1.62(m,4H),1.60-1.39(m,4H),0.83(t,J=7.2Hz,6H).13C NMR(100MHz,CDCl3)δ175.35,170.50,168.20,133.87,131.96,123.13,69.41,51.66,48.90,38.93,37.46,31.22,24.87,24.79,24.26,11.70,11.60.HRMS:m/z(ESI-TOF)计算[M+Na]+:412.1731,实测:412.1742.IR(ATR)ν(cm-1)=2962,2875,1707,1459,1436,1395,1171,1145,1039,881,718.HPLC:(IA,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=23.33min(主要)and 25.10min(次要).
化合物I’-17:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(133.7mg,80%收率,91%ee).[α]D 29.5=-6.92(c 0.54,CHCl3).1H NMR(400MHz,CDCl3)δ7.93-7.90(m,2H),7.57-7.52(m,1H),7.47-7.42(m,2H),5.38-5.31(m,1H),3.66(s,3H),3.04(t,J=7.6Hz,2H),2.69(dd,J=7.6,15.6Hz,1H),2.61(dd,J=5.6,15.6Hz,1H),2.20-1.00(m,3H),1.66-1.43(m,4H),0.89-0.84(m,6H).13CNMR(100MHz,CDCl3)δ198.67,175.47,170.49,136.58,133.09,128.55,127.88,69.62,51.71,48.94,39.29,34.26,28.32,24.91,24.77,11.75,11.62.HRMS:m/z(ESI-TOF)计算[M+Na]+:357.1673,实测:357.1681.IR(ATR)ν(cm-1)=2963,2935,2876,1730,1685,1267,1204,1172,1144,1079,1001,742,690.HPLC:(AD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=12.99min(主要)and 21.27min(次要).
化合物I’-18:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(151.6mg,79%收率,86%ee).[α]D 29.5=-3.49(c 0.97,CHCl3).1H NMR(400MHz,CDCl3)δ7.87-7.84(m,2H),7.65-7.60(m,1H),7.56-7.51(m,2H),5.17-5.10(m,1H),3.61(s,3H),3.17-3.02(m,2H),2.57(dd,J=7.2,15.6Hz,1H),2.47(dd,J=5.6,15.6Hz,1H),2.13-2.05(m,1H),1.81-1.63(m,4H),1.55-1.37(m,4H),0.82-0.76(m,6H).13C NMR(100MHz,CDCl3)δ175.33,170.28,138.76,133.65,129.21,127.91,68.89,55.47,51.69,48.82,38.77,32.35,24.81,24.72,18.66,11.69,11.56.HRMS:m/z(ESI-TOF)计算[M+Na]+:407.1499,实测:407.1498.IR(ATR)ν(cm-1)=2963,2935,2876,1729,1446,1385,1303,1269,1225,1174,1140,1085,1046,999,811,789,752,730,689,594,564,531.HPLC:(AD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=49.14min(主要)and 72.02min(次要).化合物I’-19:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(114.6mg,71%收率,89%ee).[α]D 29.7=-2.97(c 0.5,CHCl3).1H NMR(400MHz,CDCl3)δ6.62(t,J=2.0Hz,2H),6.12(J=2.0Hz,,2H),5.25-5.18(m,1H),3.86(dt,J=1.2,6.8Hz,2H),3.66(s,3H),2.59(dd,J=7.2,15.2Hz,1H),2.51(dd,J=5.6,15.6Hz,1H),2.19-2.11(m,1H),1.83-1.71(m,2H),1.70-1.43(m,6H),1.37-1.24(m,2H),0.87(t,J=7.6Hz,6H).13C NMR(100MHz,CDCl3)δ175.48,170.71,120.36,107.92,69.79,51.70,49.23,49.03,39.01,33.45,31.11,24.97,24.90,22.31,11.79,11.67.HRMS:m/z(ESI-TOF)计算[M+Na]+:346.1989,实测:346.1996.IR(ATR)ν(cm-1)=2962,2934,2875,1729,1500,1458,1437,1383,1269,1228,1172,1145,1112,1087,1061,1015,992,814,720,617.HPLC:(AD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=7.76min(主要)and 11.85min(次要).
化合物I’-20:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(120.9mg,76%收率,94%ee).[α]D 29.8=-23.35(c 0.54,CHCl3).1H NMR(400MHz,CDCl3)δ7.63(d,J=8.0Hz,1H),7.33(d,J=8.4Hz,1H),7.24-7.19(m,1H),7.14-7.09(m,2H),6.50(dd,J=0.4,3.2Hz,1H),5.36-5.29(m,1H),4.28-4.12(m,2H),3.63(s,3H),2.64(dd,J=6.8,15.6Hz,1H),2.53(dd,J=5.6,15.6Hz,1H),2.29-2.17(m,3H),1.73-1.51(m,4H),0.97-0.91(m,6H).13C NMR(100MHz,CDCl3)δ175.53,170.24,135.62,128.71,127.59,121.56,121.08,119.41,109.05,101.49,68.07,51.77,48.98,42.69,38.98,34.42,24.99,24.84,11.91,11.72.HRMS:m/z(ESI-TOF)计算[M+Na]+:368.1832,实测:368.1835.IR(ATR)ν(cm-1)=2963,2934,1730,1461,1436,1316,1267,1166,1144,1079,1012,738,716.HPLC:(IG,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=13.03min(次要)and 17.50min(主要).
化合物I’-21:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(160.2mg,76%收率,86%ee).[α]D 29.9=-3.85(c 0.95,CHCl3).1H NMR(400MHz,CDCl3)δ8.12(d,J=7.6Hz,2H),7.48(t,J=8.0Hz,2H),7.40(d,J=8.4Hz,2H),7.25(t,J=7.6Hz,2H),5.26-5.19(m,1H),4.30(t,J=7.2Hz,2H),3.66(s,3H),2.58(dd,J=7.6,15.2Hz,1H),2.49(dd,J=5.6,15.2Hz,1H),2.18-2.10(m,1H),1.99-1.85(m,2H),1.73-1.39(m,8H),0.89-0.82(m,6H).13C NMR(100MHz,CDCl3)δ175.45,170.65,140.29,125.58,122.78,120.28,118.75,108.51,69.73,51.66,48.95,42.67,39.02,33.69,28.62,24.90,24.84,22.89,11.70,11.62.HRMS:m/z(ESI-TOF)计算[M+Na]+:446.2302,实测:446.2314.IR(ATR)ν(cm-1)=2961,2934,1729,1595,1452,1324,1172,1149,908,749,722.HPLC:(OD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=19.22min(主要)and 22.09min(次要).
化合物I’-22:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(140.4mg,90%收率,93%ee).[α]D 29.9=-2.34(c 0.8,CHCl3).1H NMR(400MHz,CDCl3)δ7.26-7.22(m,1H),6.96-6.91(m,2H),5.32-5.25(m,1H),3.65(s,3H),2.75-2.53(m,4H),2.23-2.15(m,1H),2.05-1.89(m,2H),1.68-1.45(m,4H),0.92-0.87(m,6H).13C NMR(100MHz,CDCl3)δ175.43,170.60,141.20,127.91,125.51,120.28,69.67,51.68,49.02,39.01,34.74,25.86,24.97,24.91,11.80,11.69.HRMS:m/z(ESI-TOF)计算[M+Na]+:335.1288,实测:335.1285.IR(ATR)ν(cm-1)=2962,2936,1731,1268,1172,1144,1080,1040,833,777,677.HPLC:(AD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=8.46min(主要)and 9.86min(次要).
化合物I’-23:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(140.6mg,76%收率,86%ee).[α]D 29.9=0.67(c 0.99,CHCl3).1H NMR(400MHz,CDCl3)δ7.33-7.30(m,1H),7.02-6.99(m,2H),5.32-5.24(m,1H),4.69(s,2H),3.70(s,3H),3.51(t,J=6.4Hz,2H),2.65(dd,J=7.2,15.2Hz,1H),2.59(dd,J=5.6,15.2Hz,1H),2.25-2.17(m,1H),1.76-1.61(m,6H),1.57-1.38(m,4H),0.92(t,J=7.6Hz,6H).13C NMR(100MHz,CDCl3)δ175.43,170.80,141.30,126.50,126.07,125.56,70.02,69.55,67.26,51.64,49.04,39.03,33.70,29.24,24.97,24.91,21.73,11.75,11.66.HRMS:m/z(ESI-TOF)计算[M+Na]+:393.1706,实测:393.1712.IR(ATR)ν(cm-1)=2961,2935,2864,1730,1458,1436,1267,1226,1168,1146,1085,1041,1017,993,937,853,830,699.HPLC:(AD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=8.88min(主要)and11.17min(次要).化合物I’-24:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(170.1mg,81%收率,91%ee).[α]D 30=-3.74(c 0.8,CHCl3).1H NMR(400MHz,CDCl3)δ8.56(d,J=8.0Hz,1H),8.37(s,1H),7.85(d,J=7.6Hz,1H),7.50-7.45(m,1H),7.41-7.37(m,1H),5.36-5.32(m,1H),4.37-4.35(m,2H),3.65(s,3H),2.66(dd,J=7.2,15.2Hz,1H),2.58(dd,J=5.6,15.6Hz,1H),2.21-2.14(m,1H),1.89-1.82(m,4H),1.64-1.45(m,4H),0.88(t,J=7.6Hz,6H).13C NMR(100MHz,CDCl3)δ175.42,170.51,162.57,139.93,136.59,136.57,127.00,125.33,124.91,124.57,122.41,69.60,63.99,51.69,48.98,38.98,30.64,24.95,24.86,24.55,11.76,11.64.IR(ATR)ν(cm-1)=2962,2875,1730,1709,1503,1461,1436,1423,1385,1363,1262,1212,1169,1145,1065,1016,864,769,746,723.HRMS:m/z(ESI-TOF)计算[M+Na]+:443.1499,实测:443.1489.HPLC:(AD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=13.67min(主要)and 17.02min(次要).
化合物I’-25:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(139.8mg,79%收率,90%ee).[α]D 24.3=-4.48(c 0.77,CHCl3).1H NMR(400MHz,CDCl3)δ7.98-7.97(m,1H),7.39(s,1H),6.70-6.69(m,1H),5.32-5.22(m,1H),4.22(s,2H),3.63(s,3H),2.61(dd,J=7.2,15.6Hz,1H),2.53(dd,J=5.6,15.6Hz,1H),2.18-2.10(m,1H),1.77-1.73(m,4H),1.63-1.40(m,4H),0.84(t,J=7.6Hz,6H).13C NMR(100MHz,CDCl3)δ174.38,170.51,162.92,147.62,143.63,119.21,109.67,69.54,63.80,51.66,48.96,38.93,30.51,24.93,24.85,24.39,11.72,11.61.HRMS:m/z(ESI-TOF)计算[M+Na]+:377.1571,实测:377.1577.IR(ATR)ν(cm-1)=2963,1721,1305,1158,1144,1075,973,873,762,603.HPLC:(AD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=12.28min(主要)and 15.37min(次要).
化合物I’-26:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(141.7mg,80%收率,86%ee).[α]D 24.3=-1.20(c 0.78,CHCl3).1H NMR(400MHz,CDCl3)δ7.38-7.36(m,1H),6.32-6.26(m,2H),5.24-5.17(m,1H),4.39(s,2H),3.63(s,3H),3.42(t,J=6.4Hz,2H),2.57(dd,J=7.2,15.2Hz,1H),2.51(dd,J=5.6,15.6Hz,1H),2.17-2.10(m,1H),1.67-1.53(m,6H),1.50-1.29(m,4H),0.85(t,J=7.6Hz,6H).13C NMR(100MHz,CDCl3)δ175.56,170.93,152.07,142.73,110.27,109.08,70.16,69.90,64.79,51.77,49.18,39.15,33.82,29.34,25.11,25.06,21.82,11.87,11.79.HRMS:m/z(ESI-TOF)计算[M+Na]+:377.1935,实测:377.1941.IR(ATR)ν(cm-1)=2962,2936,2865,1730,1502,1459,1437,1385,1355,1268,1226,1171,1147,1086,1014,994,919,884,812,736,600,HPLC:(AD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=9.58min(主要)and 10.83min(次要).
化合物I’-27:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(136.5mg,70%收率,95%ee).[α]D 24.3=-23.26(c 0.78,CHCl3).1H NMR(400MHz,CDCl3)δ7.68(d,J=8.0Hz,1H),7.59-7.52(m,2H),7.47-7.42(m,1H),7.32-7.28(m,1H),5.47-5.40(m,1H),4.51-4.35(m,2H),3.67(s,3H),2.77-2.65(m,2H),2.23-2.12(m,3H),1.67-1.44(m,4H),0.88(t,J=6.8Hz,6H).13C NMR(100MHz,CDCl3)δ175.36,170.36,159.30,155.75,145.16,127.67,126.87,123.78,122.87,114.13,112.33,67.22,61.31,51.80,48.96,38.96,32.85,24.94,24.84,11.74,11.66.HRMS:m/z(ESI-TOF)计算[M+Na]+:413.1571,实测:413.1572.IR(ATR)ν(cm-1)=2963,2935,2876,1727,1614,1562,1459,1437,1384,1348,1327,1294,1258,1221,1209,1170,1143,1084,1008,970,950,885,836,813,749,613,429.HPLC:(AD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=14.88min(主要)and 15.83min(次要).
化合物I’-28:
该反应按照通用操作步骤3进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(156.8mg,78%收率,91%ee).[α]D 29.6=-0.37(c 0.77,CHCl3).1H NMR(400MHz,CDCl3)δ7.57-7.54(m,2H),7.45-7.40(m,1H),7.37-7.32(m,2H),5.28-5.20(m,1H),4.20(t,J=6.4Hz,2H),3.64(s,3H),2.61(dd,J=7.2,15.2Hz,1H),2.54(dd,J=5.6,15.2Hz,1H),2.19-2.11(m,1H),1.78-1.54(m,6H),1.51-1.38(m,4H),0.89-0.83(m,6H).13C NMR(100MHz,CDCl3)δ175.45,170.67,154.03,132.89,130.56,128.49,119.52,86.16,80.50,69.74,65.59,51.66,49.02,39.02,33.47,28.05,24.96,24.90,21.49,11.74,11.64.HRMS:m/z(ESI-TOF)计算[M+Na]+:425.1935,实测:425.1937.IR(ATR)ν(cm-1)=2963,2936,2876,2220,1733,1704,1459,1443,1384,1283,1225,1185,1170,1082,1042,1000,937,757,689,534.HPLC:(IG,0.46*25cm,5μm,正己烷/异丙醇=70/30,流速0.7mL/min,于214nm检测)保留时间=15.46min(主要)and20.12min(次要).
化合物I’-29:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(148.5mg,79%收率,86%ee).[α]D 24.4=-24.29(c 0.42,CHCl3).1H NMR(400MHz,CDCl3)δ7.69(d,J=16.4Hz,1H),7.55-7.51(m,2H),7.40-7.38(m,3H),6.43(d,J=16.0Hz,1H),5.44-5.36(m,1H),4.35-4.28(m,1H),4.25-4.18(m,1H),3.68(s,3H),2.71(dd,J=7.2,15.6Hz,1H),2.65(dd,J=6.0,15.6Hz,1H),2.24-2.16(m,1H),2.12-2.06(m,2H),1.68-1.45(m,4H),0.89(t,J=7.2Hz,6H).13C NMR(100MHz,CDCl3)δ175.37,170.43,166.73,145.10,134.28,130.32,128.85,128.09,117.70,67.39,60.44,51.78,48.99,38.99,32.91,24.96,24.88,11.75,11.67.HRMS:m/z(ESI-TOF)计算[M+Na]+:399.1778,实测:399.1776.IR(ATR)ν(cm-1)=2964,2934,1732,1715,1637,1450,1384,1310,1269,1201,1166,981,864,768,712,685.HPLC:(AD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=17.23min(主要)and 22.70min(次要).
化合物I’-30:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(185.0mg,92%收率,87%ee).[α]D 24.5=-2.23(c 2.0,CHCl3).1H NMR(400MHz,CDCl3)δ7.96(d,J=8.0Hz,2H),7.43(d,J=8.0Hz,2H),6.73(dd,J=10.8,17.6Hz,1H),5.84(dd,J=0.4,17.6Hz,1H),5.36(dd,J=0.8,11.2Hz,1H),5.29-5.22(m,1H),4.29(t,J=6.8Hz,2H),3.64(s,3H),2.61(dd,J=7.6,15.6Hz,1H),2.54(dd,J=5.2,15.2Hz,1H),2.18-2.10(m,1H),1.82-1.66(m,4H),1.62-1.41(m,6H),0.87-0.82(m,6H).13C NMR(100MHz,CDCl3)δ175.42,170.66,166.26,141.82,135.94,129.77,129.37,126.00,116.37,69.81,64.51,51.66,49.03,39.06,33.61,28.38,24.96,24.91,21.74,11.75,11.65.HRMS:m/z(ESI-TOF)计算[M+Na]+:427.2091,实测:427.2094.IR(ATR)ν(cm-1)=2962,2876,1714,1607,1459,1437,1403,1385,1311,1270,1229,1175,1146,1103,1015,990,916,860,781,713.HPLC:(AD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=14.03min(主要)and 17.64min(次要).
化合物I’-31:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(158.5mg,91%收率,87%ee).[α]D 24.5=-17.67(c 0.76,CHCl3).1H NMR(400MHz,CDCl3)δ7.32(d,J=8.4Hz,2H),6.84(d,J=8.4Hz,2H),6.64(dd,J=11.2,17.6Hz,1H),5.61(d,J=18.0Hz,1H),5.48-5.41(m,1H),5.12(d,J=10.8Hz,1H),4.02(t,J=6.0Hz,2H),3.66(s,3H),2.71(d,J=6.4Hz,2H),2.21-2.12(m,3H),1.64-1.44(m,4H),),0.86(t,J=7.2Hz,3H),0.84(t,J=7.2Hz,3H).13C NMR(100MHz,CDCl3)δ175.37,170.57,158.22,136.06,130.44,127.29,114.29,111.58,67.83,63.82,51.74,48.99,39.10,33.37,25.00,24.94,11.75,11.67.HRMS:m/z(ESI-TOF)计算[M+Na]+:371.1829,实测:371.1839.IR(ATR)ν(cm-1)=2963,2934,1731,1606,1509,1244,1170,1145,899,833,497.HPLC:(OD-H,0.46*25cm,5μm,正己烷/异丙醇=95/5,流速0.7mL/min,于214nm检测)保留时间=10.73min(主要)and 11.39min(次要).化合物I’-32:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(156.2mg,72%收率,93%ee).[α]D 24.9=-15.80(c 0.98,CHCl3).1H NMR(400MHz,CDCl3)δ7.94(d,J=8.8Hz,2H),6.85(d,J=8.8Hz,2H),5.46-5.39(m,1H),4.80(s,1H),4.78(s,1H),4.37(t,J=6.8Hz,2H),4.06(t,J=6.0Hz,2H),3.64(s,3H),2.74-2.64(m,2H),2.44(t,J=6.8Hz,2H),2.19-2.11(m,3H),1.78(s,3H),1.64-1.40(m,4H),0.87(t,J=7.6Hz,3H),0.84(t,J=7.6Hz,3H).13C NMR(100MHz,CDCl3)δ175.29,170.42,166.17,162.20,141.73,131.47,122.89,113.92,112.23,67.60,64.04,62.79,51.68,48.93,39.05,36.76,33.28,24.91,24.84,22.43,11.65,11.58.HRMS:m/z(ESI-TOF)计算[M+Na]+:457.2197,实测:457.2193.IR(ATR)ν(cm-1)=2963,2935,2877,1733,1711,1605,1510,1458,1437,1380,1249,1165,1145,1102,1046,1010,890,847,769,695.HPLC:(IG,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=53.40min(次要)and 57.04min(主要).
化合物I’-33:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(200.8mg,80%收率,94%ee).[α]D 24.9=-13.99(c 0.78,CHCl3).1H NMR(400MHz,CDCl3)δ7.97(d,J=8.8Hz,2H),6.86(d,J=8.8Hz,2H),5.46-5.40(m,2H),5.09-5.06(m,1H),4.79(d,J=7.2Hz,2H),4.06(t,J=6.0Hz,2H),3.65(s,3H),2.71-2.68(m,2H),2.20-2.05(m,7H),1.74(s,3H),1.66(s,3H),1.59(s,3H),1.62-1.43(m,4H),0.84(t,J=7.6Hz,3H),0.82(t,J=7.6Hz,3H).13C NMR(100MHz,CDCl3)δ175.29,170.42,166.28,162.15,141.98,131.71,131.52,123.70,123.08,118.54,113.88,67.62,64.05,61.53,51.70,48.96,39.47,39.10,33.32,26.23,25.58,24.94,24.87,17.61,16.46,11.68,11.61.HRMS:m/z(ESI-TOF)计算[M+Na]+:525.2823,实测:525.2825.IR(ATR)ν(cm-1)=2963,2932,2877,1734,1711,1605,1510,1249,1165,1098,769.HPLC:(AD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=17.36min(主要)and19.85min(次要).
化合物I’-34:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(230.7mg,71%收率,92%ee).[α]D 25.3=-3.36(c 1.0,CHCl3).1H NMR(400MHz,CDCl3)δ7.97(s,2H),7.49(d,J=8.0Hz,1H),7.41-7.38(m,1H),7.33-7.27(m,1H),7.26-7.21(m,1H),5.57-5.50(m,1H),4.17(t,J=6.4Hz,2H),3.69(s,3H),2.92-2.76(m,4H),2.35-2.27(m,2H),2.26-2.16(m,1H),1.69-1.45(m,4H),1.35(t,J=7.6Hz,3H),0.89(t,J=7.6Hz,6H).13C NMR(100MHz,CDCl3)187.97,175.36,170.57,166.91,156.60,153.65,137.21,133.54,126.33,124.69,123.85,120.98,118.52,115.28,111.11,69.97,67.88,51.74,48.94,39.16,34.26,24.91,24.84,21.98,12.13,11.84,11.68.HRMS:m/z(ESI-TOF)计算[M+Na]+:673.0407,实测:673.0410.IR(ATR)ν(cm-1)=2963,2936,1732,1648,1452,1377,1256,1171,1145,983,953,747.HPLC:(AD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=9.67min(次要)and 10.61min(主要).
化合物I’-35:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(181.8mg,90%收率,91%ee).[α]D 25.2=-5.04(c 1.2,CHCl3).1H NMR(400MHz,CDCl3)δ7.59(d,J=10.0Hz,1H),7.32(d,J=8.8Hz,1H),6.77(dd,J=2.4,8.4Hz,1H),6.72(d,J=2.0Hz,1H),6.18(d,J=9.6Hz,1H)5.32-5.25(m,1H),4.00-3.94(m,2H),3.62(s,3H),2.63(dd,J=7.2,15.2Hz,1H),2.55(dd,J=5.6,15.2Hz,1H),2.18-2.10(m,1H),1.88-1.78(m,2H),1.62-1.40(m,4H),0.84(t,J=7.2Hz,6H).13C NMR(100MHz,CDCl3)δ175.38,170.50,161.93,161.06,155.68,143.34,128.65,112.86,112.67,112.38,101.21,69.49,67.75,51.65,48.92,38.95,30.48,24.88,24.80,24.65,11.71,11.58.HRMS:m/z(ESI-TOF)计算[M+Na]+:427.1727,实测:427.1735.IR(ATR)ν(cm-1)=2962,2876,1725,1610,1556,1508,1459,1436,1388,1349,1277,1229,1170,1120,993,890,833.HPLC:(IB,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=46.130min(主要)and 50.45min(次要).
化合物I’-36:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(196.7mg,79%收率,90%de).[α]D 25.3=83.01(c 0.25,CHCl3).1H NMR(400MHz,CDCl3)δ7.17(d,J=8.4Hz,1H),6.67(dd,J=2.8,8.8Hz,1H),6.61(d,J=2.8Hz,1H),5.47-5.39(m,1H),3.99(t,J=6.0Hz,2H),3.66(s,3H),2.90-2.85(m,2H),2.72-2.69(m,2H),2.49(dd,J=8.4,18.8Hz,1H),2.41-2.36(m,1H),2.26-1.92(m,8H),1.67-1.54(m,4H),1.54-1.36(m,6H),0.90(s,3H),0.87(t,J=7.6Hz,3H),0.86(t,J=7.6Hz,3H).13C NMR(100MHz,CDCl3)220.85,175.31,170.57,156.52,137.68,132.17,126.25,114.49,111.93,68.01,63.83,51.66,50.32,48.96,47.92,43.89,39.09,38.27,35.78,33.50,31.49,29.54,26.45,25.82,24.92,24.86,21.50,13.76,11.73,11.63.HRMS:m/z(ESI-TOF)计算[M+Na]+:521.2874,实测:521.2878.IR(ATR)ν(cm-1)=2961,2931,1730,1909,1497,1460,1434,1254,1167,1055,973,813,782.HPLC:(AD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=18.47min(主要)and20.53min(次要).
化合物I’-37:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(216.0mg,85%收率,84%ee).[α]D 25.5=-1.45(c 1.1,CHCl3).1H NMR(400MHz,CDCl3)δ8.09(d,J=2.4Hz,1H),7.88-7.85(m,1H),7.55-7.50(m,1H),7.46-7.38(m,2H),7.33(d,J=7.2Hz,1H),7.00(d,J=8.4Hz,1H),5.25-5.21(m,1H),5.16(s,2H),4.11-4.07(m,2H),3.63(s,3H),3.61(s,2H),2.59(dd,J=7.6,15.2Hz,1H),2.51(dd,J=5.2,15.2Hz,1H),2.18-2.10(m,1H),1.70-1.41(m,8H),0.85(t,J=7.6Hz,6H).13C NMR(100MHz,CDCl3)δ190.65,175.34,171.24,170.50,160.36,140.30,136.22,135.47,132.67,132.31,129.36,129.13,127.71,127.70,125.01,120.95,73.50,69.51,64.32,51.65,48.93,40.08,38.93,30.43,24.90,24.83,24.31,11.73,11.62.HRMS:m/z(ESI-TOF)计算[M+Na]+:533.2146,实测:533.2148.IR(ATR)ν(cm-1)=1962,2875,1728,1647,1611,1598,1489,1412,1380,1298,1165,1138,1120,1013,829,760,641.HPLC:(IH-3,0.46*15cm,3μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=24.27min(主要)and 27.19min(次要).
化合物I’-38:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(169.4mg,70%收率,86%de).[α]D 24.1=5.02(c 0.66,CHCl3).(m.p.60–61℃).1H NMR(400MHz,CDCl3)δ7.11(s,4H),5.28-5.21(m,1H),3.68(s,3H),2.62(dd,J=7.6,15.2Hz,1H),2.56(dd,J=5.6,15.6Hz,1H),2.47-2.38(m,1H),2.33(s,3H),2.23-2.14(m,1H),1.93-1.89(m,2H),1.85-1.76(m,6H),1.69-1.59(m,4H),1.55-1.38(m,4H),1.28-1.14(m,6H),1.09-0.97(m,3H),0.93-0.88(m,8H).13C NMR(100MHz,CDCl3)δ175.39,170.84,144.78,135.05,128.86,126.58,70.38,51.60,49.08,44.14,43.23,42.78,39.06,37.49,34.60,33.42,33.32,32.51,31.37,30.30,29.86,25.01,24.97,20.89,11.76,11.69.HRMS:m/z(ESI-TOF)计算[M+Na]+:507.3445,实测:507.3448.IR(ATR)ν(cm-1)=2914,2847,1730,1514,1437,1386,1271,1211,1175,1146,1081,1054,1013,977,940,814,532.HPLC:(AD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=6.52min(主要)and 8.37min(次要).
化合物I’-39:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(142.1mg,78%收率,91%de).[α]D 25.8=12.08(c 0.84,CHCl3).1H NMR(400MHz,CDCl3)δ8.05-8.02(m,2H),7.58-7.53(m,1H),7.46-7.41(m,2H),5.41-5.34(m,1H),5.28-5.19(m,1H),3.63(s,3H),2.66(d,J=6.4Hz,2H),2.26-2.14(m,2H),1.97-1.90(m,1H),1.65-1.44(m,4H),1.39(d,J=6.4Hz,3H),0.90-0.85(m,6H).13C NMR(100MHz,CDCl3)δ175.40,170.47,165.89,132.93,130.39,129.58,128.35,68.25,67.41,51.73,48.93,39.77,38.80,24.93,24.80,20.03,11.76,11.67.HRMS:m/z(ESI-TOF)计算[M+Na]+:387.1778,实测:387.1780.IR(ATR)ν(cm-1)=2964,2935,1715,1451,1437,1269,1171,1110,1069,1025,711.HPLC:(IG,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=11.85min(主要)and 15.57min(次要).
化合物I’-40:
该反应按照通用操作步骤6进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(136.6mg,75%收率,89%de).[α]D 26.0=40.48(c 0.5,CHCl3).1H NMR(400MHz,CDCl3)δ8.03-8.00(m,2H)7.57-7.52(m,1H),7.45-7.40(m,2H),5.35-5.28(m,1H),5.22-5.13(m,1H),3.67(s,3H),2.72-2.61(m,2H),2.18-1.97(m,3H),1.60-1.41(m,4H),1.38(d,J=6.4Hz,3H),0.86-0.81(m,6H).13C NMR(100MHz,CDCl3)δ175.32,170.51,165.90,132.83,130.48,129.53,128.31,67.89,67.09,51.74,48.82,40.33,39.18,24.84,24.63,20.56,11.68,11.63.HRMS:m/z(ESI-TOF)计算[M+Na]+:387.1778,实测:387.1786.IR(ATR)ν(cm-1)=2964,2935,2877,1715,1451,1269,1171,1110,1069,1025,711.HPLC:(IG,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=11.84min(主要)and15.64min(次要).
化合物I’-41:
该反应按照通用操作步骤2进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(138.2mg,71%收率,92%de).[α]D 26.4=39.80(c 0.8,CHCl3).1H NMR(400MHz,CDCl3)δ7.81-7.78(m,2H),7.70-7.67(m,2H),5.26-5.19(m,1H),4.46-4.36(m,1H),3.62(s,3H),2.61(d,J=6.0Hz,2H),2.34-2.19(m,2H),2.14-1.06(m,1H),1.63-1.52(m,2H),1.49-1.40(m,5H),),0.85(t,J=7.2Hz,3H),0.84(t,J=7.2Hz,3H).13C NMR(100MHz,CDCl3)δ175.34,170.29,168.10,133.88,131.85,123.10,67.84,51.72,48.76,43.63,38.91,37.92,24.79,24.61,18.14,11.69,11.59.HRMS:m/z(ESI-TOF)计算[M+Na]+:412.1731,实测:412.1734.IR(ATR)ν(cm-1)=2964,2936,1731,1704,1377,1361,1171,1139,719,529.HPLC:(OD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=13.22min(主要)and 19.83min(次要).
化合物I’-42:
该反应按照通用操作步骤6进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(136.3mg,70%收率,96%de).[α]D 25.9=28.02(c 0.1,CHCl3).1H NMR(400MHz,CDCl3)δ7.83-7.79(m,2H),7.72-7.67(m,2H),5.10-5.03(m,1H),4.52-4.42(m,1H),3.62(s,3H),2.72-2.65(m,1H),2.63(dd,J=5.2,14.8Hz,1H),2.57(dd,J=6.4,15.6Hz,1H),2.11-1.97(m,2H),1.63-1.53(m,2H),1.52-1.39(m,5H),0.91-0.89(t,J=7.2Hz,3H),0.84(t,J=7.2Hz,3H).13C NMR(100MHz,CDCl3)δ175.27,170.25,168.23,133.85,131.92,123.10,67.33,51.70,48.44,43.39,38.85,37.10,24.54,24.15,19.29,11.70,11.48.HRMS:m/z(ESI-TOF)计算[M+Na]+:412.1731,实测:412.1742.IR(ATR)ν(cm-1)=2964,2936,1731,1704,1277,1361,1171,1140,719,530.HPLC:(OD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=13.21min(次要)and19.62min(主要).
化合物I’-43:
该反应按照通用操作步骤5进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(240.3mg,90%收率,99%ee).(2S,2’S)/meso=94/6.[α]D 25.5=-1.98(c 0.76,CHCl3).1H NMR(400MHz,CDCl3)δ7.08(s,4H),5.31-5.24(m,2H),3.65(s,6H),2.69-2.53(m,8H),2.23-2.15(m,2H),2.01-1.85(m,4H),1.68-1.45(m,8H),0.92-0.87(m,12H).13C NMR(100MHz,CDCl3)δ175.43,170.64,138.77,128.34,69.78,51.68,49.06,39.06,35.79,31.01,25.00,24.93,11.83,11.71.HRMS:m/z(ESI-TOF)计算[M+Na]+:557.3085,实测:557.3080.IR(ATR)ν(cm-1)=2963,2934,1730,1458,1267,1170,1144,1080,1037,813,733.HPLC:(AD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=19.58min(次要)and 24.31min(主要).
化合物I’-44:
该反应按照通用操作步骤5进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(252.1mg,89%收率,98%ee).(2S,2’S)/meso=87/13.[α]D 25.7=-16.94(c0.63,CHCl3).1H NMR(400MHz,CDCl3)δ6.77(s,4H),5.47-5.40(m,2H),3.95(t,J=5.6Hz,4H),3.65(s,6H),2.70(d,J=6.4Hz,4H),2.20-2.09(m,6H),1.65-1.43(m,8H),0.87-0.81(m,12H).13C NMR(100MHz,CDCl3)δ175.36,170.60,152.73,115.21,67.89,64.36,51.72,48.98,39.12,33.48,24.99,24.93,11.73,11.66.HRMS:m/z(ESI-TOF)计算[M+Na]+:589.2983,实测:589.2984.IR(ATR)ν(cm-1)=3354,2963,2937,1732,1508,1225,1171,1025,825,737.HPLC:(OD-H,0.46*25cm,5μm,正己烷/异丙醇=95/5,流速0.7mL/min,于214nm检测)保留时间=38.86min(主要)and 46.84min(次要).
化合物I’-45:
该反应按照通用操作步骤4进行,柱层析分离(石油醚:乙酸乙酯=10:1)得到油状液体产物。(2.72g,93%收率,96%ee(ee值按照通用操作步骤2转化为I’-11后测得)).[α]D 26.1=4.62(c 1.0,CHCl3).1H NMR(400MHz,CDCl3)δ7.31-7.27(m,2H),7.22-7.17(m,3H),5.34-5.27(m,1H),2.75-2.60(m,4H),2.26-2.18(m,1H),2.06-1.93(m,2H),1.71-1.47(m,4H),0.92(t,J=7.2Hz,3H),0.91(t,J=7.2Hz,3H).13CNMR(100MHz,CDCl3)176.45,175.58,140.97,128.46,128.23,126.06,69.51,49.07,38.86,35.68,31.46,24.99,24.97,11.83,11.69.HRMS:m/z(ESI-TOF)计算[M+Na]+:315.1567,实测:315.1573.IR(neat,cm-1):2964,2934,2876,1731,1708,1455,1385,1267,1226,1172,1144,1113,1082,1030,939,746,698.化合物I’-46通过转化后得到:
氮气保护下LiAlH4(38mg,1.0mmol,5equiv.)溶于干燥的四氢呋喃(2mL)溶液中,在0℃下加入I’-45(0.2mmol,1equiv.)的四氢呋喃溶液(1mL),滴加完毕后置于室温反应3小时。反应完毕后加入NaOH(2mL,2.5M)水溶液,乙酸乙酯萃取,干燥浓缩,无需纯化直接用于下一步反应。将上述所得到粗产物溶于二氯甲烷(1mL)中,在0℃下加入PPh3(52.4mg,0.2mmol,1equiv.)和NBS(35.6mg,0.2mmol,1equiv.)。于室温反应24小时后浓缩,柱层析分离(石油醚:乙酸乙酯=5:1)得到白色固体产物I’-46。
化合物I’-46:
(35.6mg,74%收率,97%ee).[α]D 26.1=5.16(c 0.41,CHCl3).(m.p.48–49℃).1HNMR(400MHz,CDCl3)δ7.32-7.28(m,2H),7.22-7.18(m,3H),3.88-3.84(m,1H),3.60-3.50(m,2H),2.85-2.66(m,2H),2.08-1.94(m,2H),1.84-1.78(m,2H),1.60(brs,1H).13C NMR(100MHz,CDCl3)δ141.60,128.49,128.34,125.98,69.41,39.92,39.03,31.96,30.37.HRMS:m/z(EI-TOF)计算[M-H2O]+:224.0195,实测:224.0195.IR(ATR)ν(cm-1)=3338,2942,2910,2859,1492,1262,1148,1027,896,748,699,607,570,474.HPLC:(OD-H,0.46*25cm,5μm,正己烷/异丙醇=90/10,流速0.7mL/min,于214nm检测)保留时间=13.08min(主要)and 14.77min(次要).
式I’-45所示的化合物衍生化合物式I’-46的单晶制备
将保留时间为13.08min的产物进行单晶培养。将保留时间为13.08min的产物在二氯甲烷中溶解,室温下挥发溶剂,获得无色晶体。
检测方法X-射线单晶衍射
实施例2吡啶-噁唑啉配体对氧羰基化反应的影响
按照实施例1中操作1的方法,采用如下配体,反应结果如下所示。
实施例3氧化剂对氧羰基化反应的影响
按照实施例1中操作1的方法,采用如下氧化剂,反应结果如下所示。
实施例4溶剂对氧羰基化反应的影响
按照实施例1中操作1的方法,采用如下溶剂,反应结果如下所示。
实施例5温度对氧羰基化反应的影响
实施例6酸对氧羰基化反应的影响
按照实施例1中操作2的方法,采用如下酸,反应结果如下所示。
Claims (25)
1.一种羧酸酯类化合物的制备方法,其特征在于,其包括以下步骤:溶剂中,在钯催化剂、噁唑啉配体和氧化剂的存在下,将含片段II的化合物、含片段III的化合物和一氧化碳进行加成反应,得含片段I-1的化合物和/或含片段I-2的化合物;
其中,R5和R6独立地为氢、未取代的C1-C10烷基、未取代的C3-C8环烷基或未取代的C6-C30芳基;
R7为氢、未取代的C1-C10烷基、或未取代的C6-C30芳基;
2.如权利要求1所述的羧酸酯类化合物的制备方法,其特征在于,所述溶剂为烷烃类溶剂、取代芳烃类溶剂、腈类溶剂、卤代烃类溶剂、醚类溶剂、酮类溶剂、酯类溶剂和酰胺类溶剂中的一种或多种;
和/或,所述的含片段II的化合物在所述的溶剂中的浓度为0.01~5.00mol/L;
和/或,所述的钯催化剂为醋酸钯、三氟乙酸钯、季戊酸钯、二氯二乙腈钯、双(苯腈)氯化钯、氯化钯、溴化钯、碘化钯、四乙腈四氟硼酸钯、六氟乙酰丙酮钯、二(乙酰丙酮)钯、四乙腈三氟甲磺酸酸钯、新戊酸钯、(1E,4E)-双(二亚芐基丙酮)钯、双(二亚苄基丙酮)二钯和三(二亚苄基丙酮)二钯中的一种或多种;
和/或,所述的钯催化剂与所述的含片段II的化合物的摩尔比为(1~50):100;
和/或,所述的噁唑啉配体与所述的含片段II的化合物的摩尔比为(1~75):100;
和/或,所述的钯催化剂与所述的噁唑啉配体的摩尔比为1:(0.5~3);
和/或,所述的氧化剂为苯醌和/或PhI(OAc)2;
和/或,所述的氧化剂与所述的含片段II的化合物的摩尔比为(1.0~5.0):1;
和/或,所述的含片段III的化合物与所述的含片段II的化合物的摩尔比为(1.0~100):1;
和/或,所述的加成反应的温度为-20~30℃;
和/或,所述的加成反应的时间为1~168小时;
和/或,所述的加成反应还包括以下后处理步骤:向反应液中加入溶剂,浓缩,纯化,即可;
和/或,当R5和R6独立地为未取代的C1-C10烷基时,所述的C1-C10烷基为C1-C4烷基;
和/或,当R5和R6独立地为未取代的C3-C8环烷基时,所述的C3-C8环烷基为C3-C6单环环烷基;
和/或,当R5和R6独立地为未取代的C6-C30芳基时,所述的C6-C30芳基为C6-C10芳基;
和/或,当R7为未取代的C6-C30芳基时,所述的C6-C30芳基为C6-C10芳基。
3.如权利要求2所述的羧酸酯类化合物的制备方法,其特征在于,
所述的烷烃类溶剂为正己烷;所述的取代芳烃类溶剂为氯苯、甲苯和三氟甲基苯中的一种或多种;所述的腈类溶剂为乙腈;所述的卤代烃类溶剂为二氯甲烷和氯仿;所述的醚类溶剂为四氢呋喃、乙醚、甲基叔丁醚、乙基叔丁醚、苯甲醚、乙二醇二甲醚和1,4-二氧六环中的一种或多种;所述的酮类溶剂为丙酮;所述的酯类溶剂为乙酸乙酯和/或乙二醇二乙酸酯;所述的酰胺类溶剂为N,N-二甲基甲酰胺;
和/或,所述的含片段II的化合物在所述的溶剂中的浓度为0.625或2.00mol/L;
和/或,所述的钯催化剂为醋酸钯;
和/或,所述的钯催化剂与所述的含片段II的化合物的摩尔比为(1~10):100;
和/或,所述的噁唑啉配体与所述的含片段II的化合物的摩尔比为7.5:100或15:100;
和/或,所述的钯催化剂与所述的噁唑啉配体的摩尔比为1:1.5;
和/或,所述的氧化剂与所述的含片段II的化合物的摩尔比为(1.0~3.0):1;
和/或,所述的含片段III的化合物与所述的含片段II的化合物的摩尔比为(2.5~10):1;
和/或,所述的加成反应的温度为0~20℃;
和/或,所述的加成反应的时间为10~72小时;
和/或,所述的后处理步骤中,所述的溶剂为醇类溶剂,或酮类溶剂和水;
和/或,当R5和R6独立地为未取代的C1-C10烷基时,所述的C1-C10烷基为甲基或乙基;
和/或,当R5和R6独立地为未取代的C3-C8环烷基时,所述的C3-C8环烷基为环戊基或环己基;
和/或,当R5和R6独立地为未取代的C6-C30芳基时,所述的C6-C30芳基为苯基;
和/或,当R7为未取代的C6-C30芳基时,所述的C6-C30芳基为苯基。
4.如权利要求2所述的羧酸酯类化合物的制备方法,其特征在于,
所述溶剂为醚类溶剂和/或卤代烃类溶剂;
和/或,所述的含片段II的化合物在所述的溶剂中的浓度为0.01~0.20mol/L;
和/或,所述的钯催化剂与所述的含片段II的化合物的摩尔比为5:100或10:100;
和/或,所述的氧化剂与所述的含片段II的化合物的摩尔比为1.2:1或3:1;
和/或,所述的含片段III的化合物与所述的含片段II的化合物的摩尔比为5:1或10:1;
和/或,所述的加成反应的时间为16小时、24小时、36小时、48小时或72小时;
和/或,所述的后处理步骤中,所述的溶剂为醇类溶剂,或酮类溶剂和水,其中,所述醇类溶剂为甲醇,所述酮类溶剂为丙酮。
5.如权利要求4所述的羧酸酯类化合物的制备方法,其特征在于,
所述溶剂为乙醚和/或二氯甲烷。
6.如权利要求1所述的羧酸酯类化合物的制备方法,其特征在于,
R5和R6独立地为氢、甲基、乙基、环戊基、环己基或苯基;
和/或,R7为未取代的C6-C30芳基;
和/或,R5和R6相同,或者,R5和R6不同,且有一个为H。
7.如权利要求6所述的羧酸酯类化合物的制备方法,其特征在于,
R7为苯基。
9.如权利要求1所述的羧酸酯类化合物的制备方法,其特征在于,所述的羧酸酯类化合物的制备方法为以下方法一或方法二;
方法一:溶剂中,在钯催化剂、噁唑啉配体和氧化剂的存在下,将如式II-A所示的化合物、如式III’所示的化合物和一氧化碳进行加成反应,得如式I-1-A所示的化合物和/或如式I-2-A所示的化合物;
方法二:溶剂中,在钯催化剂、噁唑啉配体和氧化剂的存在下,将如式II-B所示的化合物、如式III’所示的化合物和一氧化碳进行加成反应,得如式I-1-B所示的化合物和/或如式I-2-B所示的化合物;
方法一和方法二中,所述的加成反应的操作和条件如权利要求1-8任一项所述;
其中,用*标注的碳是指S构型手性碳或R构型手性碳;
R1为氢、或R1-1取代或未取代的C1-C30烷基;
R1-1为氰基、羟基、硝基、卤素、C3-C15的环烷基、R1-1a取代或未取代的C6-C30芳基、“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基、C2-C10烯基、-O(CH2)nR1-1b、-S(=O)2R1-1c、-OC(=O)R1-1d、-C(=O)OR1-1e、-C(=O)R1-1h或n为0-10的整数;
R1-1a为卤素、C1-C10烷基、C1-C10烷氧基、氰基、C6-C30芳基或被一个或多个卤素取代的C1-C10烷基;
R1-1b-1a、R1-1b-1b、R1-1b-1c、R1-1b-1d和R1-1b-1e独立地为C1-C10烷基;
R1-1b-1f和R1-1b-1g独立地为C2-C10烯基、或被一个或多个C1-C10烷基取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基;
R1-1c、R1-1f和R1-1g独立地为氢、C6-C30芳基或对甲苯磺酰基;
R1-1d为R1-1d-1取代或未取代的C1-10烷基、R1-1d-2取代或未取代的C2-10烯基、R1-1d-3取代或未取代的C2-10炔基、R1-1d-4取代或未取代的C6-30芳基、R1-1d-5取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基;
R1-1d-2和R1-1d-3独立地为C6-C30芳基;
R1-1d-4为-C(=O)OR1-1d-4a;R1-1d-4a为C2-C10烯基、或被一个或多个-OC(=O)R1-1d-4a-1取代的C1-C10烷基;R1-1d-4a-1为C1-C10烷基;
R1-1d-5为对甲苯磺酰基;
R1-1h为C2-C10烯基、或被一个或多个-OC(=O)R1-1h-1取代的C1-C10烷基;R1-1h-1为C1-C10烷基;
R2为氢、R2-1取代或未取代的C1-C30烷基、R2-2取代或未取代的C6-C30芳基、或C2-C10烯基;
R2-1为氰基、羟基、硝基、卤素、C3-C15的环烷基、R2-1a取代或未取代的C6-C30芳基、“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基、C2-C10烯基、-O(CH2)nR2-1b、-S(=O)2R2-1c、-OC(=O)R2-1d、-C(=O)OR2-1e、-C(=O)R2-1h或
R2-2为卤素、C1-C10烷基、C1-C10烷氧基、氰基、C6-C30芳基或被一个或多个卤素取代的C1-C10烷基;
R2-1a为卤素、C1-C10烷基、C1-C10烷氧基、氰基、C6-C30芳基或被一个或多个卤素取代的C1-C10烷基;
R2-1b-1a、R2-1b-1b、R2-1b-1c、R2-1b-1d和R2-1b-1e独立地为C1-C10烷基;
R2-1b-1f和R2-1b-1g独立地为C2-C10烯基、或C1-C10烷基取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基;
R2-1c、R2-1f和R2-1g独立地为氢、C6-C30芳基或对甲苯磺酰基;
R2-1d为R2-1d-1取代或未取代的C1-10烷基、R2-1d-2取代或未取代的C2-10烯基、R2-1d-3取代或未取代的C2-10炔基、R2-1d-4取代或未取代的C6-30芳基、R2-1d-5取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基;
R2-1d-2和R2-1d-3独立地为C6-C30芳基;
R2-1d-4为-C(=O)OR2-1d-4a;R2-1d-4a为C2-C10烯基;
R2-1d-5为对甲苯磺酰基;
R2-1e为氢或C1-C10烷基;
R2-1h为C2-C10烯基;
m1、m2、m3和m4独立地为0、1、2、3、4、5或6;
或者如式II-B所示的化合物选自以下任一化合物:
10.如权利要求9所述的羧酸酯类化合物的制备方法,其特征在于,R1-1、R1-1a、R1-1b-1、R1 -1d-1、R1-1d-2、R1-1d-3、R1-1d-4、R1-1d-5、R1-1d-1a-1、R8-1和R8-1a-1独立地为1个或多个,当为多个时,相同或不同;
和/或,当R1为R1-1取代或未取代的C1-C30烷基时,所述的C1-C30烷基为C1-C10烷基;
和/或,所述的卤素为氟、氯、溴或碘;
和/或,当R1-1为C3-C15的环烷基时,所述的C3-C15的环烷基为单环C3-C15的环烷基、稠环C3-C15的环烷基、螺环C3-C15的环烷基或桥环C3-C15的环烷基;
和/或,当R1-1为R1-1a取代或未取代的C6-C30芳基时,所述的C6-C30芳基为C6-C10芳基;
和/或,当R1-1为C2-C10烯基时,所述的C2-C10烯基为C2-C6烯基;
和/或,当R1-1a为卤素时,所述的卤素为氟、氯、溴或碘;
和/或,当R1-1a为C1-C10烷基时,所述的C1-C10烷基为C1-C6烷基;
和/或,当R1-1a为C6-C30芳基时,所述的C6-C30芳基为C6-C10芳基;
和/或,当R1-1b为R1-1b-1取代或未取代的C6-C30芳基时,所述的C6-C30芳基为C6-C10芳基;
和/或,当R1-1b为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基或5-15元的双环杂芳基;
和/或,n为0、1、2、3、4、5或6;
和/或,当R1-1b-1为C1-C10烷基时,所述的C1-C10烷基为C1-C6烷基;
和/或,当R1-1b-1为C2-C10烯基时,所述的烯基为C2-C4烯基;
和/或,当R1-1b-1a、R1-1b-1b、R1-1b-1c、R1-1b-1d和R1-1b-1e独立地为C1-C10烷基时,所述的C1-C10烷基独立地为C1-C6烷基;
和/或,当R1-1b-1g为被一个或多个C1-C10烷基取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,C1-C10烷基的个数为1、2或3个;
和/或,当R1-1b-1g为C1-C10烷基取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基或5-15元的双环杂芳基;
和/或,当R1-1b-1g为被一个或多个C1-C10烷基取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的C1-C10烷基为C1-C6烷基;
和/或,当R1-1c、R1-1f和R1-1g独立地为C6-C30芳基时,所述的C6-C30芳基独立地为C6-C10芳基;
和/或,当R1-1d为R1-1d-1取代或未取代的C1-10烷基时,所述的C1-10烷基为C1-C6烷基;
和/或,当R1-1d为R1-1d-2取代或未取代的C2-10烯基时,所述的C2-10烯基为C2-4烯基;
和/或,当R1-1d为R1-1d-3取代或未取代的C2-10炔基时,所述的C2-10炔基为C2-4炔基;
和/或,当R1-1d为R1-1d-4取代或未取代的C6-30芳基时,所述的C6-30芳基为C6-10芳基;
和/或,当R1-1d为R1-1d-5取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基或5-15元的双环杂芳基;
和/或,当R1-1d-1a为R1-1d-1a-1取代或未取代的C6-C30芳基时,所述的C6-C30芳基为C6-C10芳基;
和/或,当R1-1d-1a-1为被一个或多个卤素取代的C3-C15环烷基时,所述的卤素的个数为1、2或3个;
和/或,当R1-1d-1a-1为被一个或多个卤素取代的C3-C15环烷基时,所述的卤素为氟、氯、溴或碘;
和/或,当R1-1d-1a-1为被一个或多个卤素取代的C3-C15环烷基时,所述的C3-C15环烷基为C3-C15单环环烷基、C3-C15稠环环烷基、C3-C15螺环环烷基或C3-C15桥环环烷基;
和/或,当R1-1d-2和R1-1d-3独立地为C6-C30芳基时,所述的C6-C30芳基独立地为C6-C10芳基;
和/或,当R1-1d-4a为C2-C10烯基时,所述的C2-C10烯基为C2-C4烯基;
和/或,当R1-1e为C1-C10烷基时,所述的C1-C10烷基为C1-C6烷基;
和/或,当R1-1h为C2-C10烯基时,所述的C2-C10烯基为C2-C6烯基;
和/或,R2-1、R2-2、R2-1a、R2-1b-1、R2-1d-1、R2-1d-2、R2-1d-3、R2-1d-4、R2-1d-5和R2-1d-1a-1独立地为1个或多个,当为多个时,相同或不同;
和/或,当R2为R2-1取代或未取代的C1-C30烷基时,所述的C1-C30烷基为C1-C10烷基;
和/或,当R2为R2-2取代或未取代的C6-C30芳基时,所述的C6-C30芳基为C6-C10芳基;
和/或,当R2为C2-C10烯基时,所述的C2-C10烯基为C2-C4烯基;
和/或,当R2-2为卤素时,所述的卤素为氟、氯、溴或碘;
和/或,当R2-2为C1-C10烷基时,所述的C1-C10烷基为C1-C6烷基;
和/或,当R2-2为C1-C10烷氧基时,所述的C1-C10烷氧基为C1-C4烷氧基;
和/或,当R2-2为C6-C30芳基时,所述的C6-C30芳基为C6-C10芳基;
和/或,当R2-2为被一个或多个卤素取代的C1-C10烷基时,所述的卤素的个数为1、2或3个;
和/或,当R2-2为被一个或多个卤素取代的C1-C10烷基时,所述的卤素为氟、氯、溴或碘;
和/或,当R2-2为被一个或多个卤素取代的C1-C10烷基时,所述的C1-C10烷基为C1-C6烷基;
和/或,当R8为R8-1取代或未取代的C1-C10亚烷基时,R8-1的个数为1、2或3个;
和/或,当R8为R8-1取代或未取代的C1-C10亚烷基时,所述的C1-C10亚烷基为C1-C6亚烷基;
和/或,当R8为-(CH2)m3-O(C=O)-(C6-C10亚芳基)-(C=O)O-(CH2)m4-时,其中的C6-C10亚芳基为亚苯基;
和/或,m1、m2、m3和m4独立地为1、2或3。
11.如权利要求10所述的羧酸酯类化合物的制备方法,其特征在于,
R1-1、R1-1a、R1-1b-1、R1-1d-1、R1-1d-2、R1-1d-3、R1-1d-4、R1-1d-5、R1-1d-1a-1、R8-1和R8-1a-1独立地为1个或多个,当为多个时,所述的多个为2、3或4个;
和/或,当R1为R1-1取代或未取代的C1-C30烷基时,所述的C1-C30烷基为C1-C8烷基;
和/或,所述的卤素为氯或溴;
和/或,当R1-1为C3-C15的环烷基时,所述的C3-C15的环烷基为单环C3-C15的环烷基;
和/或,当R1-1为R1-1a取代或未取代的C6-C30芳基时,所述的C6-C30芳基为苯基或萘基;
和/或,当R1-1a为卤素时,所述的卤素为氟或碘;
和/或,当R1-1a为C1-C10烷基时,所述的C1-C10烷基为甲基、乙基、丙基、异丙基、正丁基、异丁基、仲丁基或叔丁基;
和/或,当R1-1a为C6-C30芳基时,所述的C6-C30芳基为苯基;
和/或,当R1-1b为R1-1b-1取代或未取代的C6-C30芳基时,所述的C6-C30芳基为苯基或萘基;
和/或,当R1-1b为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基;
和/或,n为0或1;
和/或,当R1-1b-1为C1-C10烷基时,所述的C1-C10烷基为甲基、乙基、丙基、异丙基、正丁基、异丁基、仲丁基或叔丁基;
和/或,当R1-1b-1a、R1-1b-1b、R1-1b-1c、R1-1b-1d和R1-1b-1e独立地为C1-C10烷基时,所述的C1-C10烷基独立地为甲基、乙基、丙基、异丙基、正丁基、异丁基、仲丁基或叔丁基;
和/或,当R1-1b-1g为C1-C10烷基取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的双环杂芳基;
和/或,当R1-1b-1g为被一个或多个C1-C10烷基取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的C1-C10烷基为甲基、乙基、丙基、异丙基、正丁基、异丁基、仲丁基或叔丁基;
和/或,当R1-1c、R1-1f和R1-1g独立地为C6-C30芳基时,所述的C6-C30芳基独立地为苯基;
和/或,当R1-1d为R1-1d-1取代或未取代的C1-10烷基时,所述的C1-10烷基为甲基、乙基、丙基、异丙基、正丁基、异丁基、仲丁基或叔丁基;
和/或,当R1-1d为R1-1d-4取代或未取代的C6-30芳基时,所述的C6-30芳基为苯基;
和/或,当R1-1d为R1-1d-5取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基或5-15元的双环杂芳基;其中,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1或2个”的5-6元的单环杂芳基;当R1-1d为R1-1d-5取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基或5-15元的双环杂芳基;其中,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的双环杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1或2个”的8-10元的双环杂芳基;
和/或,当R1-1d-1a为R1-1d-1a-1取代或未取代的C6-C30芳基时,所述的C6-C30芳基为苯基;
和/或,当R1-1d-1a-1为被一个或多个卤素取代的C3-C15环烷基时,所述的卤素为氯;
和/或,当R1-1d-1a-1为被一个或多个卤素取代的C3-C15环烷基时,所述的C3-C15环烷基为C3-C15单环环烷基;
和/或,当R1-1d-2和R1-1d-3独立地为C6-C30芳基时,所述的C6-C30芳基独立地为苯基;
和/或,当R1-1e为C1-C10烷基时,所述的C1-C10烷基为甲基、乙基、丙基、异丙基、正丁基、异丁基、仲丁基或叔丁基;
和/或,R2-1、R2-2、R2-1a、R2-1b-1、R2-1d-1、R2-1d-2、R2-1d-3、R2-1d-4、R2-1d-5和R2-1d-1a-1独立地为1个或多个,当为多个时,所述的多个为2、3或4个;
和/或,当R2为R2-1取代或未取代的C1-C30烷基时,所述的C1-C30烷基为C1-C6烷基;
和/或,当R2为R2-2取代或未取代的C6-C30芳基时,所述的C6-C30芳基为苯基或萘基;
和/或,当R2为C2-C10烯基时,所述的C2-C10烯基为乙烯基;
和/或,当R2-2为卤素时,所述的卤素为氟或氯;
和/或,当R2-2为C1-C10烷基时,所述的C1-C10烷基为甲基、乙基、丙基、异丙基、正丁基、异丁基、仲丁基或叔丁基;
和/或,当R2-2为C1-C10烷氧基时,所述的C1-C10烷氧基为甲氧基;
和/或,当R2-2为C6-C30芳基时,所述的C6-C30芳基为苯基;
和/或,当R2-2为被一个或多个卤素取代的C1-C10烷基时,所述的卤素为氟;
和/或,当R2-2为被一个或多个卤素取代的C1-C10烷基时,所述的C1-C10烷基为甲基、乙基、丙基、异丙基、正丁基、异丁基、仲丁基或叔丁基;
和/或,当R8为R8-1取代或未取代的C1-C10亚烷基时,所述的C1-C10亚烷基为亚甲基、亚乙基、亚丙基、亚异丙基、亚正丁基、亚异丁基、亚仲丁基或亚叔丁基;
12.如权利要求10所述的羧酸酯类化合物的制备方法,其特征在于,
和/或,当R1-1为C3-C15的环烷基时,所述的C3-C15的环烷基为单环C3-C15的环烷基、稠环C3-C15的环烷基、螺环C3-C15的环烷基或桥环C3-C15的环烷基,其中,所述的单环C3-C15的环烷基为C3-C6的环烷基;
和/或,当R1-1a为C1-C10烷基时,所述的C1-C10烷基为叔丁基;
和/或,当R1-1b为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基或5-15元的双环杂芳基,其中,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1或2个”的5-6元的单环杂芳基;
和/或,当R1-1b-1为C1-C10烷基时,所述的C1-C10烷基为叔丁基;
和/或,当R1-1b-1a、R1-1b-1b、R1-1b-1c、R1-1b-1d和R1-1b-1e独立地为C1-C10烷基时,所述的C1-C10烷基独立地为甲基;
和/或,当R1-1b-1g为C1-C10烷基取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基或5-15元的双环杂芳基,其中,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的双环杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1或2个”的8-10元的双环杂芳基;
和/或,当R1-1b-1g为被一个或多个C1-C10烷基取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的C1-C10烷基为乙基;
和/或,当R1-1d为R1-1d-1取代或未取代的C1-10烷基时,所述的C1-10烷基为甲基或异丙基;
和/或,当R1-1d为R1-1d-5取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基或5-15元的双环杂芳基;其中,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基为呋喃基;
当R1-1d为R1-1d-5取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基或5-15元的双环杂芳基;其中,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的双环杂芳基为苯并呋喃基、苯并噻吩基或吲哚基;
和/或,所述的C3-C15单环环烷基为C3-C6单环环烷基;
和/或,当R1-1e为C1-C10烷基时,所述的C1-C10烷基为甲基或乙基;
和/或,当R2为R2-1取代或未取代的C1-C30烷基时,所述的C1-C30烷基为甲基、乙基、丙基、异丙基、正丁基、异丁基、仲丁基或叔丁基;
和/或,当R2-2为被一个或多个卤素取代的C1-C10烷基时,所述的C1-C10烷基为甲基;
和/或,当R8为R8-1取代或未取代的C1-C10亚烷基时,所述的C1-C10亚烷基为亚甲基或亚乙基。
13.如权利要求12所述的羧酸酯类化合物的制备方法,其特征在于,
当R1-1为C3-C15的环烷基时,所述的C3-C15的环烷基为单环C3-C15的环烷基、稠环C3-C15的环烷基、螺环C3-C15的环烷基或桥环C3-C15的环烷基,其中,所述的单环C3-C15的环烷基为环丙基、环丁基、环戊基或环己基;
和/或,当R1-1b为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基或5-15元的双环杂芳基,其中,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基为噻吩基;
和/或,当R1-1b-1g为C1-C10烷基取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基或5-15元的双环杂芳基,其中,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的双环杂芳基为苯并呋喃基;
和/或,当R1-1d为R1-1d-5取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基或5-15元的双环杂芳基;其中,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基为
当R1-1d为R1-1d-5取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基或5-15元的双环杂芳基;其中,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的双环杂芳基为
和/或,所述的C3-C15单环环烷基为环丙基;
和/或,当R2为R2-1取代或未取代的C1-C30烷基时,所述的C1-C30烷基为甲基。
14.如权利要求13所述的羧酸酯类化合物的制备方法,其特征在于,
所述的单环C3-C15的环烷基为环己基;
和/或,当R1-1b为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基时,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基为“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基或5-15元的双环杂芳基,其中,所述的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的单环杂芳基为
16.如权利要求9所述的羧酸酯类化合物的制备方法,其特征在于,R1为R1-1取代或未取代的C1-C30烷基;
和/或,R1-1为氰基、羟基、硝基、卤素、C3-C15的环烷基、R1-1a取代或未取代的C6-C30芳基、C2-C10烯基、-O(CH2)nR1-1b、-S(=O)2R1-1c、-OC(=O)R1-1d、-C(=O)OR1-1e、-C(=O)R1-1h或
和/或,R1-1a为卤素、C1-C10烷基或C6-C30芳基;
和/或,R1-1d为R1-1d-1取代或未取代的C1-10烷基、R1-1d-2取代或未取代的C2-10烯基、R1-1d-3取代或未取代的C2-10炔基、未取代的C6-30芳基、R1-1d-5取代或未取代的“杂原子选自N、O和S中的一种或多种,杂原子个数为1-4个”的5-15元的杂芳基;
和/或,R1-1h为C2-C10烯基;
和/或,R2为氢、未取代的C1-C30烷基、或R2-2取代或未取代的C6-C30芳基;
和/或,R2-2为卤素、C1-C10烷基、C1-C10烷氧基、C6-C30芳基或被一个或多个卤素取代的C1-C10烷基。
20.一种手性β-酰氧基羧酸酯类化合物的制备方法,其特征在于,其包括以下步骤:
(1)溶剂中,在钯催化剂、噁唑啉配体和氧化剂的存在下,将含片段II的化合物、含片段III的化合物和一氧化碳进行加成反应;
(2)溶剂中,将所述的加成反应的产物与甲基化试剂进行甲基化反应,得含片段I的β-酰氧基羧酸酯类化合物;
步骤(1)的反应操作和条件如权利要求1-8任一项所述。
21.如权利要求20所述的手性β-酰氧基羧酸酯类化合物的制备方法,其特征在于,步骤(2)中,所述溶剂为醇类溶剂和/或取代芳烃类溶剂;
和/或,步骤(2)中,所述的甲基化试剂为TMSCHN2;
和/或,步骤(2)中,所述的甲基化试剂与步骤(1)中所述的含片段II的化合物的摩尔比为(2-10):1;
和/或,所述的甲基化反应的温度为20~30℃;
和/或,所述的甲基化反应的时间为1~10小时;
和/或,步骤(1)还包括以下后处理步骤:向反应液中加入溶剂,浓缩,即可进行下一步反应。
22.如权利要求21所述的手性β-酰氧基羧酸酯类化合物的制备方法,其特征在于,步骤(2)中,所述的醇类溶剂为甲醇和/或乙醇;所述的取代芳烃类溶剂为氯苯、甲苯和三氟甲基苯中的一种或多种;
和/或,步骤(2)中,所述的甲基化试剂与步骤(1)中所述的含片段II的化合物的摩尔比为4:1;
和/或,所述的甲基化反应的时间为2~6小时;
和/或,步骤(1)的后处理步骤中,所述的溶剂为醇类溶剂。
23.如权利要求22所述的手性β-酰氧基羧酸酯类化合物的制备方法,其特征在于,步骤(2)中,所述溶剂为甲醇和/甲苯的混合溶剂;
和/或,所述的甲基化反应的时间为4小时或6小时;
和/或,步骤(1)的后处理步骤中,所述的溶剂为甲醇。
24.如权利要求20所述的手性β-酰氧基羧酸酯类化合物的制备方法,其特征在于,所述的羧酸酯类化合物的制备方法为以下方法A或方法B:
方法A:
(1)溶剂中,在钯催化剂、噁唑啉配体和氧化剂的存在下,将如式II-A所示的化合物、如式III’所示的化合物和一氧化碳进行加成反应;
(2)溶剂中,将所述的加成反应的产物与甲基化试剂进行甲基化反应,得如式I’-A所示的β-酰氧基羧酸酯类化合物;
方法B:
(1)溶剂中,在钯催化剂、噁唑啉配体和氧化剂的存在下,将如式II-B所示的化合物、如式III’所示的化合物和一氧化碳进行加成反应;
(2)溶剂中,将所述的加成反应的产物与甲基化试剂进行甲基化反应,得如式I’-B所示的β-酰氧基羧酸酯类化合物;
方法A或方法B中,所述的加成反应的操作和条件如前权利要求1-8任一项所述;
*、R1、R2和R8的定义如1-19任一项所述。
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