CN115677696A - 一种苯并萘啶衍生物的制备方法 - Google Patents
一种苯并萘啶衍生物的制备方法 Download PDFInfo
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- BJVCSICIEDHBNI-UHFFFAOYSA-N benzo[b][1,8]naphthyridine Chemical class N1=CC=CC2=CC3=CC=CC=C3N=C21 BJVCSICIEDHBNI-UHFFFAOYSA-N 0.000 title claims abstract description 15
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims abstract description 39
- -1 silver hexafluoroantimonate Chemical compound 0.000 claims abstract description 39
- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
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- 238000004440 column chromatography Methods 0.000 claims abstract description 12
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- 238000000034 method Methods 0.000 claims abstract description 10
- 239000003960 organic solvent Substances 0.000 claims abstract description 10
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 10
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- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims abstract description 9
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- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
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- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 6
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 claims description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 4
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- 239000000654 additive Substances 0.000 claims description 4
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- 150000002431 hydrogen Chemical group 0.000 claims description 4
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 3
- 229910052703 rhodium Inorganic materials 0.000 claims description 3
- 239000010948 rhodium Substances 0.000 claims description 3
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 3
- BYEAHWXPCBROCE-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoropropan-2-ol Chemical compound FC(F)(F)C(O)C(F)(F)F BYEAHWXPCBROCE-UHFFFAOYSA-N 0.000 claims description 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 2
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- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical group [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 claims description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052794 bromium Inorganic materials 0.000 claims description 2
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 claims description 2
- 229910000024 caesium carbonate Inorganic materials 0.000 claims description 2
- 239000000460 chlorine Substances 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N dimethyl sulfoxide Natural products CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- LZWQNOHZMQIFBX-UHFFFAOYSA-N lithium;2-methylpropan-2-olate Chemical compound [Li+].CC(C)(C)[O-] LZWQNOHZMQIFBX-UHFFFAOYSA-N 0.000 claims description 2
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims description 2
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000001488 sodium phosphate Substances 0.000 claims description 2
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 2
- 125000003944 tolyl group Chemical group 0.000 claims description 2
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 2
- 125000004494 ethyl ester group Chemical group 0.000 claims 8
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims 2
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- 125000004179 3-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C(Cl)=C1[H] 0.000 claims 1
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- 235000019796 monopotassium phosphate Nutrition 0.000 claims 1
- 229910000160 potassium phosphate Inorganic materials 0.000 claims 1
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- 235000017550 sodium carbonate Nutrition 0.000 claims 1
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- 238000005481 NMR spectroscopy Methods 0.000 description 27
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Landscapes
- Nitrogen Condensed Heterocyclic Rings (AREA)
Abstract
本发明公开了一种苯并萘啶衍生物的制备方法,包括如下步骤:(1)将苯甲酰亚胺乙酯或其衍生物、硫叶立德、二氯(五甲基环戊二烯基)合铑(III)二聚体、六氟锑酸银、碱和有机溶剂混合后,在氮气气氛下,于80‑120℃反应12‑24h;(2)将步骤(1)所得的物料经乙酸乙酯稀释后,再经水洗,分离得有机相;(3)将步骤(2)所得的有机相经干燥、过滤、浓缩和柱层析色谱或薄层色谱,得到所述苯并萘啶衍生物。本发明在构建苯并萘啶衍生物具有良好的区域选择性,所用原料易得,收率高,反应条件温和,反应时间短,底物范围广,反应专一性强,后处理简便。
Description
技术领域
本发明属于有机合成技术领域,具体涉及一种苯并萘啶衍生物的制备方法。
背景技术
苯并萘啶是重要的含氮稠环化合物,一系列苯并萘啶及其衍生物可以从活细胞中提取,它们在生物体和药物中发挥着重要作用。因此,在含有苯并萘啶结构的药物和天然产物中观察到多种生物活性。此外,在有机器件领域,含氮稠环化合物得到了广泛的研究。此外,在具有生物活性的小分子母核中引入三氟甲基可以改变化合物的性质,如选择性、亲脂性。并且,含三氟甲基稠环化合物的合成对其在光电器件中的潜在应用具有吸引力。因此,苯并萘啶类化合物的有效合成和功能化一直是国内外研究的热点。
发明内容
本发明目的在于提供一种苯并萘啶衍生物的制备方法。
本发明的反应式如下:
本发明的技术方案如下:
一种苯并萘啶衍生物的制备方法,包括如下步骤:
(1)将苯甲酰亚胺乙酯或其衍生物、硫叶立德、二氯(五甲基环戊二烯基)合铑(III)二聚体、六氟锑酸银(添加剂)、碱和有机溶剂混合后,在氮气气氛下,于80-120℃反应12-24h;
(2)将步骤(1)所得的物料经乙酸乙酯稀释后,再经水洗,分离得有机相;
(3)将步骤(2)所得的有机相经干燥、过滤、浓缩和柱层析色谱或薄层色谱,得到所述苯并萘啶衍生物;
在本发明的一个优选实施方案中,所述卤素为氟、氯或溴。
3.如权利要求2所述的制备方法,其特征在于:所述硫叶立德为(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-苯基丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(2-甲氧基苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(3-(三氟甲基)苯基)丙-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟.N-(4-氟苯基)丙烷-2-亚胺、(E)-4-((3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟丙烷-2-亚烷基)氨基)苄腈或(E)-N-(3-氯苯基)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟丙烷-2-亚胺。
在本发明的一个优选实施方案中,所述碱为氢氧化钠、氢氧化钾、叔丁醇锂、叔丁醇钠、叔丁醇钾、甲醇钠、乙醇钠、碳酸钠、碳酸钾、磷酸钾、磷酸二氢钾、碳酸铯、磷酸钠或醋酸钠。
5.如权利要求4所述的制备方法,其特征在于:所述碱为醋酸钠。
在本发明的一个优选实施方案中,所述有机溶剂为二甲基亚砜、N,N-二甲基甲酰胺、N-甲基-2-吡咯烷酮、1,2-二氯乙烷、甲苯、1,4-二氧六环、四氢呋喃、六氟异丙醇、甲基叔丁基醚或乙腈。
7.如权利要求6所述的制备方法,其特征在于:所述有机溶剂为甲苯。
在本发明的一个优选实施方案中,所述苯甲酰亚胺乙酯的衍生物为4-甲基苯甲酰亚胺乙酯、4-甲氧基苯甲酰亚胺乙酯、4-氟苯甲酰亚胺乙酯或3-甲基苯甲酰亚胺乙酯。
在本发明的一个优选实施方案中,所述苯甲酰亚胺乙酯或其衍生物、硫叶立德、铑催化剂、添加剂以及碱的摩尔比为1-2∶2-2.5∶0.03-0.08∶0.1-0.4∶1-2.5,且每0.01mmol苯甲酰亚胺乙酯或其衍生物对应所述有机溶剂0.5-2mL。
进一步优选的,所述苯甲酰亚胺乙酯或其衍生物、硫叶立德、铑催化剂、添加剂以及碱的摩尔比为1∶2.2∶0.05∶0.2∶2,且每0.1mmol苯甲酰亚胺乙酯或其衍生物对应所述有机溶剂1mL。
在本发明的一个优选实施方案中,所述步骤(1)中,于100℃反应12h。
本发明的有益效果是:
1、本发明在构建苯并萘啶衍生物具有良好的区域选择性。
2、本发明所用原料易得,收率高,反应条件温和,反应时间短,底物范围广,反应专一性强,后处理简便。
具体实施方式
以下通过具体实施方式对本发明的技术方案进行进一步的说明和描述。
实施例1
1-苯基-2,8-双(三氟甲基)-1H苯并[de][1,8]萘啶的制备
将苯甲酰亚胺乙酯0.1mmol、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-苯基丙烷-2-亚胺0.22mmol、二氯(五甲基环戊二烯基)合铑(III)二聚体0.005mmol、六氟锑酸银0.02mmol、醋酸钠0.2mmol和甲苯1mL加入到15mL的反应管中,在氮气气氛下置于100℃的油浴中,反应12h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到28.4mg的目标产物,收率为75%。该化合物的核磁和高分辨质谱表征如下:1H NMR(500MHz,Chloroform-d)δ7.60-7.55(m,1H),7.53-7.44(m,3H),7.40(d,J=8.1Hz,1H),7.28(d,J=7.9Hz,2H),7.19(d,J=6.7Hz,2H),6.77(s,1H);13CNMR(126MHz,Chloroform-d)δ155.1,142.2(q,J=34.0Hz),138.1,137.5,132.74(q,J=31.7Hz),132.69,132.3,130.1,129.2,129.0,123.3,122.6,121.5(q,J=273.0Hz),120.3,120.1(q,J=273.1Hz),109.8(q,J=3.5Hz),108.5(q,J=6.0Hz);HRMS(ESI-TOF)m/z:calcd for C19H11N2F6 +:381.0821(M+H)+,found:381.0822.
实施例2
5-甲基-1-苯基-2,8-双(三氟甲基)-1H-苯并[de][1,8]萘啶的制备
将4-甲基苯甲酰亚胺乙酯0.1mmol、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-苯基丙烷-2-亚胺0.22mmol、二氯(五甲基环戊二烯基)合铑(III)二聚体0.005mmol、六氟锑酸银0.02mmol、醋酸钠0.2mmol和甲苯1mL加入到15mL的反应管中,在氮气气氛下置于100℃的油浴中,反应12h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到24.3mg的目标产物,收率为62%。该化合物的核磁和高分辨质谱表征如下:1H NMR(500MHz,Chloroform-d)δ7.53-7.42(m,3H),7.30-7.24(m,2H),7.18(s,1H),7.10(s,1H),7.01(s,1H),6.70(s,1H),2.46(s,3H);13CNMR(126MHz,Chloroform-d)δ154.9,143.0,142.3(q,J=33.9Hz),138.3,137.5,132.7(q,J=32.0Hz),132.5,130.1,129.1,128.9,122.5,121.7,121.6(q,J=273.2Hz),121.5,120.1(q,J=273.4Hz),109.4(q,J=3.5Hz),108.3(q,J=6.2Hz],22.0;HRMS(ESI-TOF)m/z:calcd for C20H13N2F6 +:395.0977(M+H)+,found:395.0980.
实施例3
5-甲氧基-1-苯基-2,8-双(三氟甲基)-IH-苯并[de][1,8]萘啶的制备
将4-甲氧基苯甲酰亚胺乙酯0.1mmol、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-苯基丙烷-2-亚胺0.22mmol、二氯(五甲基环戊二烯基)合铑(III)二聚体0.005mmol、六氟锑酸银0.02mmol、醋酸钠0.2mmol和甲苯1mL加入到15mL的反应管中,在氮气气氛下置于100℃的油浴中,反应12h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到24.3mg的目标产物,收率为62%。该化合物的核磁和高分辨质谱表征如下:1H NMR(500MHz,Chloroform-d)δ7.47(dq,J=14.5,7.4,7.0Hz,3H),7.29-7.25(m,2H),7.10(s,1H),6.77(d,J=7.6Hz,2H),6.69(s,1H),3.89(s,3H);13C NMR(126MHz,Chloroform-d)δ162.6,154.5,142.8(q,J=33.9Hz),140.3,137.4,134.4,133.2(q,J=32.2Hz),130.1,129.1,128.9,121.6(q,J=273.4Hz),120.1(q,J=273.4Hz),118.3,109.44,109.38(q,J=3.7Hz),108.0(q,J=6.1Hz),103.7,55.5;HRMS(ESI-TOF)m/z:calcd for C20H13N2F6O+:411.0927(M+H)+,found:411.0932.
实施例4
5-氟-1-苯基-2,8-双(三氟甲基)-1H-苯并[de][1,8]萘啶的制备
将4-氟苯甲酰亚胺乙酯0.1mmol、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-苯基丙烷-2-亚胺0.22mmol、二氯(五甲基环戊二烯基)合铑(III)二聚体0.005mmol、六氟锑酸银0.02mmol、醋酸钠0.2mmol和甲苯1mL加入到15mL的反应管中,在氮气气氛下置于100℃的油浴中,反应12h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到18.6mg的目标产物,收率为47%。该化合物的核磁和高分辨质谱表征如下:1H NMR(500MHz,Chloroform-d)δ7.55-7.44(m,3H),7.29-7.25(m,2H),7.16(s,1H),7.02(dd,J=9.6,2.3Hz,1H),6.91(dd,J=9.0,2.2Hz,1H),6.76(s,1H);13C NMR(126MHz,Chloroform-d)δ164.9(d,J=252.0Hz),154.5,143.4(q,J=34.5Hz),140.6(d,J=11.8Hz),137.1,135.8(d,J=11.6Hz),133.9(q,J=32.8Hz),129.9,129.24,129.19,121.3(q,J=273.5Hz),120.4,119.9(d,J=273.7Hz),109.6(p,J=3.5Hz),108.4(d,J=25.8Hz),107.7(q,J=6.0,3.2Hz),107.3(d,J=23.2Hz);HRMS(ESI-TOF)m/z:calcd for C19H10F7N2 +:399.0727(M+H)+,found:399.0731.
实施例5
4-甲基-1-苯基-2,8-双(三氟甲基)-1H苯并[de][1,8]萘啶的制备
将3-甲基苯甲酰亚胺乙酯0.1mmol、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-苯基丙烷-2-亚胺0.22mmol、二氯(五甲基环戊二烯基)合铑(III)二聚体0.005mmol、六氟锑酸银0.02mmol、醋酸钠0.2mmol和甲苯1mL加入到15mL的反应管中,在氮气气氛下置于100℃的油浴中,反应12h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到28.4mg的目标产物,收率为72%。该化合物的核磁和高分辨质谱表征如下:1H NMR(500MHz,Chloroform-d)δ7.48(dt,J=20.3,7.1Hz,4H),7.27(d,J=7.6Hz,2H),7.20(s,1H),7.13(d,J=7.5Hz,1H),6.76(s,1H),2.45(s,3H);13C NMR(126MHz,Chloroform-d)δ155.4,142.1(q,J=33.9Hz),137.7,136.9,132.8,131.7(q,J=32.2Hz),130.4,130.14,130.09,129.2,128.9,122.9,121.7(q,J=273.4Hz),120.2(q,J=273.2Hz),119.8,108.8(q,J=6.2Hz),106.6(q,J=3.4Hz),18.9;HRMS(ESI-TOF)m/z:calcd for C20H13N2F6 +:395.0977(M+H)+,found:395.0980.
实施例6
1-(2-甲氧基苯基)-2,8-双(三氟甲基)-1H-苯并[de][1,8]萘啶的制备
将苯甲酰亚胺乙酯0.1mmol、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(2-甲氧基苯基)丙烷-2-亚胺0.22mmol、二氯(五甲基环戊二烯基)合铑(III)二聚体0.005mmol、六氟锑酸银0.02mmol、醋酸钠0.2mmol和甲苯1mL加入到15mL的反应管中,在氮气气氛下置于100℃的油浴中,反应12h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到30mg的目标产物,收率为73%。该化合物的核磁和高分辨质谱表征如下:1H NMR(500MHz,Chloroform-d)δ7.55(t,J=7.8Hz,1H),7.44(td,J=8.0,1.8Hz,1H),7.38(d,J=8.0Hz,1H),7.23(dt,J=7.7,1.5Hz,1H),7.17(d,J=9.4Hz,2H),7.08-6.98(m,2H),6.76(s,1H),3.72(s,3H);13C NMR(126MHz,Chloroform-d)δ156.6,154.5,142.4(q,J=33.9Hz),138.1,133.1(q,J=33.2Hz),132.2,131.04,131.03,130.6,126.4,123.3,122.4,121.6(q,J=273.2Hz),120.6,120.12,120.09(q,J=273.2Hz),112.2,109.7(q,J=3.7Hz),108.5(q,J=6.3Hz),55.9;HRMS(ESI-TOF)m/z:calcd for C20H12N2F6OK+:449.0485(M+K)+,found:449.0490.
实施例7
2,8-双(三氟甲基)-1-(3-(三氟甲基)苯基)-1H苯并[de][1,8]萘啶的制备
2,8-bis(trifluoromethyl)-1-(3-(trifluoromethyl)phenyl)-1 H-benzo[de][1,8]naphthyridine
将苯甲酰亚胺乙酯0.1mmol、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(3-(三氟甲基)苯基)丙-2-亚胺0.22mmol、二氯(五甲基环戊二烯基)合铑(III)二聚体0.005mmol、六氟锑酸银0.02mmol、醋酸钠0.2mmol和甲苯1mL加入到15mL的反应管中,在氮气气氛下置于100℃的油浴中,反应12h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到30.9mg的目标产物,收率为69%。该化合物的核磁和高分辨质谱表征如下:1H NMR(500MHz,Chloroform-d)δ7.74(d,J=7.9Hz,1H),7.68-7.56(m,3H),7.51(d,J=8.0Hz,1H),7.44(d,J=8.2Hz,1H),7.23(d,J=6.3Hz,2H),6.80(s,1H);13C NMR(126MHz,Chloroform-d)δ154.7,142.1(q,J=34.4Hz),138.1,138.0,133.9,132.6,132.3,132.23(q,J=33.3Hz),132.19(q,J=32.4Hz),131.8,129.9,127.6,125.9(q,J=3.8Hz),124.7,123.1,121.4(q,J=273.5Hz),120.8,120.0(q,J=273.3Hz),110.3(q,J=3.6Hz),109.1(q,J=6.2Hz);HRMS(ESI-TOF)m/z:calcd forC20H9N2F9Na+:471.0514(M+Na)+,found:471.0517.
实施例8
1-(4-氟苯基)-2,8-双(三氟甲基)-1H苯并[de][1,8]萘啶的制备
将苯甲酰亚胺乙酯0.1mmol、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-氟苯基)丙烷-2-亚胺0.22mmol、二氯(五甲基环戊二烯基)合铑(III)二聚体0.005mmol、六氟锑酸银0.02mmol、醋酸钠0.2mmol和甲苯1mL加入到15mL的反应管中,在氮气气氛下置于100℃的油浴中,反应12h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到28mg的目标产物,收率为70%。该化合物的核磁和高分辨质谱表征如下:1H NMR(500MHz,Chloroform-d)δ7.59(t,J=7.8Hz,1H),7.41(d,J=8.1Hz,1H),7.30-7.15(m,6H),6.77(s,1H);13C NMR(126MHz,Chloroform-d)δ162.6(d,J=248.6Hz),155.1,142.2(q,J=34.1Hz),138.1,133.2(d,J=2.7Hz),132.6(q,J=32.3Hz),132.5,132.4,132.0(d,J=9.1Hz),123.2,122.8,121.5(q,J=273.2Hz),120.5,120.1(q,J=273.2Hz),116.3(d,J=23.1Hz),110.0(q,J=3.6Hz),108.8(q,J=6.1Hz);HRMS(ESI-TOF)m/z:calcd for C19H10N2F7 +:399.0727(M+H)+,found:399.0729.
实施例9
4-(2,8-双(三氟甲基)-1H苯并[de][1,8]萘啶-1-基)苯腈的制备
将苯甲酰亚胺乙酯0.1mmol、(E)-4-((3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟丙烷-2-亚烷基)氨基)苄腈0.22mmol、二氯(五甲基环戊二烯基)合铑(III)二聚体0.005mmol、六氟锑酸银0.02mmol、醋酸钠0.2mmol和甲苯1mL加入到15mL的反应管中,在氮气气氛下置于100℃的油浴中,反应12h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到27.4mg的目标产物,收率为68%。该化合物的核磁和高分辨质谱表征如下:1H NMR(500MHz,Chloroform-d)δ7.85-7.79(m,2H),7.63(t,J=7.8Hz,1H),7.45(dd,J=11.7,8.1Hz,3H),7.25(d,J=8.8Hz,2H),6.82(s,1H);13C NMR(126MHz,Chloroform-d)δ154.5,141.9(q,J=34.4Hz),141.6,138.0,133.3,132.7,132.1,131.8(q,J=32.7Hz),131.5,123.3,122.9,121.4(q,J=273.0Hz),121.0,119.9(q,J=273.3Hz),118.1,113.2,110.5(q,J=3.3Hz),109.3(q,J=6.2Hz);HRMS(ESI-TOF)m/z:calcd for C20H10N3F6 +:406.0773(M+H)+,found:406.0778.
实施例10
1-(3-氯苯基)-2,8-双(三氟甲基)-1H苯并[de][1,8]萘啶的制备
将苯甲酰亚胺乙酯0.1mmol、(E)-N-(3-氯苯基)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟丙烷-2-亚胺0.22mmol、二氯(五甲基环戊二烯基)合铑(III)二聚体0.005mmol、六氟锑酸银0.02mmol、醋酸钠0.2mmol和甲苯1mL加入到15mL的反应管中,在氮气气氛下置于100℃的油浴中,反应12h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到26.7mg的目标产物,收率为64%。该化合物的核磁和高分辨质谱表征如下:1H NMR(500MHz,Chloroform-d)δ7.62-7.57(m,1H),7.49-7.38(m,3H),7.31(s,1H),7.24-7.17(m,3H),6.78(s,1H);13C NMR(126MHz,Chloroform-d)δ154.8,142.1(q,J=34.2Hz),138.4,138.1,134.6,132.5,132.34,132.30(q,J=32.6Hz),130.4,130.1,129.4,128.7,123.1,122.9,121.5(q,J=273.2Hz),120.6,120.0(q,J=273.3Hz),110.2(q,J=3.4Hz),108.9(q,J=6.2Hz);HRMS(ESI-TOF)m/z:calcd for C19H9N2F6ClK+:452.9990(M+K)+,found:452.9995.
以上所述,仅为本发明的较佳实施例而已,故不能依此限定本发明实施的范围,即依本发明专利范围及说明书内容所作的等效变化与修饰,皆应仍属本发明涵盖的范围内。
Claims (10)
2.如权利要求1所述的制备方法,其特征在于:所述卤素为氟、氯或溴。
3.如权利要求2所述的制备方法,其特征在于:所述硫叶立德为(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-苯基丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(2-甲氧基苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(3-(三氟甲基)苯基)丙-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-氟苯基)丙烷-2-亚胺、(E)-4-((3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟丙烷-2-亚烷基)氨基)苄腈或(E)-N-(3-氯苯基)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟丙烷-2-亚胺。
4.如权利要求1所述的制备方法,其特征在于:所述碱为氢氧化钠、氢氧化钾、叔丁醇锂、叔丁醇钠、叔丁醇钾、甲醇钠、乙醇钠、碳酸钠、碳酸钾、磷酸钾、磷酸二氢钾、碳酸铯、磷酸钠或醋酸钠。
5.如权利要求4所述的制备方法,其特征在于:所述碱为醋酸钠。
6.如权利要求1所述的制备方法,其特征在于:所述有机溶剂为二甲基亚砜、N,N-二甲基甲酰胺、N-甲基-2-吡咯烷酮、1,2-二氯乙烷、甲苯、1,4-二氧六环、四氢呋喃、六氟异丙醇、甲基叔丁基醚或乙腈。
7.如权利要求6所述的制备方法,其特征在于:所述有机溶剂为甲苯。
8.如权利要求1所述的制备方法,其特征在于:所述苯甲酰亚胺乙酯的衍生物为4-甲基苯甲酰亚胺乙酯、4-甲氧基苯甲酰亚胺乙酯、4-氟苯甲酰亚胺乙酯或3-甲基苯甲酰亚胺乙酯。
9.如权利要求1至7中任一权利要求所述的制备方法,其特征在于:所述苯甲酰亚胺乙酯或其衍生物、硫叶立德、铑催化剂、添加剂以及碱的摩尔比为1-2∶2-2.5∶0.03-0.08∶0.1-0.4∶1-2.5,且每0.01mmol苯甲酰亚胺乙酯或其衍生物对应所述有机溶剂0.5-2mL。
10.如权利要求1至7中任一权利要求所述的制备方法,其特征在于:所述步骤(1)中,于100℃反应12h。
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