CN1142151C - 2,4,6-三取代-均三嗪化合物及其合成方法 - Google Patents
2,4,6-三取代-均三嗪化合物及其合成方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 6
- 230000002194 synthesizing effect Effects 0.000 title 1
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 22
- -1 2,4,6-trisubstituted-s-triazine compound Chemical class 0.000 claims abstract description 13
- 125000001424 substituent group Chemical group 0.000 claims abstract description 12
- 229910052786 argon Inorganic materials 0.000 claims abstract description 11
- JIHQDMXYYFUGFV-UHFFFAOYSA-N 1,3,5-triazine Chemical class C1=NC=NC=N1 JIHQDMXYYFUGFV-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000010189 synthetic method Methods 0.000 claims abstract description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 17
- 150000001875 compounds Chemical class 0.000 claims description 13
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 claims description 12
- IHLVCKWPAMTVTG-UHFFFAOYSA-N lithium;carbanide Chemical compound [Li+].[CH3-] IHLVCKWPAMTVTG-UHFFFAOYSA-N 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- FFNVQNRYTPFDDP-UHFFFAOYSA-N 2-cyanopyridine Chemical compound N#CC1=CC=CC=N1 FFNVQNRYTPFDDP-UHFFFAOYSA-N 0.000 claims description 5
- BOHCMQZJWOGWTA-UHFFFAOYSA-N 3-methylbenzonitrile Chemical compound CC1=CC=CC(C#N)=C1 BOHCMQZJWOGWTA-UHFFFAOYSA-N 0.000 claims description 5
- 229910052744 lithium Inorganic materials 0.000 claims description 5
- NWPNXBQSRGKSJB-UHFFFAOYSA-N 2-methylbenzonitrile Chemical compound CC1=CC=CC=C1C#N NWPNXBQSRGKSJB-UHFFFAOYSA-N 0.000 claims description 4
- GZPHSAQLYPIAIN-UHFFFAOYSA-N 3-pyridinecarbonitrile Chemical compound N#CC1=CC=CN=C1 GZPHSAQLYPIAIN-UHFFFAOYSA-N 0.000 claims description 4
- VCZNNAKNUVJVGX-UHFFFAOYSA-N 4-methylbenzonitrile Chemical compound CC1=CC=C(C#N)C=C1 VCZNNAKNUVJVGX-UHFFFAOYSA-N 0.000 claims description 4
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 claims description 4
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 claims description 4
- GPHQHTOMRSGBNZ-UHFFFAOYSA-N pyridine-4-carbonitrile Chemical compound N#CC1=CC=NC=C1 GPHQHTOMRSGBNZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 238000002425 crystallisation Methods 0.000 claims description 3
- 230000008025 crystallization Effects 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 150000002825 nitriles Chemical class 0.000 abstract description 6
- 239000001257 hydrogen Substances 0.000 abstract description 5
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 5
- 238000007086 side reaction Methods 0.000 abstract description 3
- 230000003197 catalytic effect Effects 0.000 abstract description 2
- 230000035484 reaction time Effects 0.000 abstract description 2
- 230000000259 anti-tumor effect Effects 0.000 abstract 1
- KWVJOPHXLUORKH-UHFFFAOYSA-N lithium ethenylazanide Chemical compound [Li]NC=C KWVJOPHXLUORKH-UHFFFAOYSA-N 0.000 abstract 1
- 230000036632 reaction speed Effects 0.000 abstract 1
- 238000001308 synthesis method Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000013078 crystal Substances 0.000 description 9
- 238000003756 stirring Methods 0.000 description 9
- 238000005481 NMR spectroscopy Methods 0.000 description 6
- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 description 5
- 239000012452 mother liquor Substances 0.000 description 5
- DCERHCFNWRGHLK-UHFFFAOYSA-N C[Si](C)C Chemical compound C[Si](C)C DCERHCFNWRGHLK-UHFFFAOYSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 229910000474 mercury oxide Inorganic materials 0.000 description 4
- UKWHYYKOEPRTIC-UHFFFAOYSA-N mercury(ii) oxide Chemical compound [Hg]=O UKWHYYKOEPRTIC-UHFFFAOYSA-N 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000005160 1H NMR spectroscopy Methods 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 description 2
- XBEREOHJDYAKDA-UHFFFAOYSA-N lithium;propane Chemical compound [Li+].CC[CH2-] XBEREOHJDYAKDA-UHFFFAOYSA-N 0.000 description 2
- 125000003386 piperidinyl group Chemical group 0.000 description 2
- 125000004076 pyridyl group Chemical group 0.000 description 2
- 238000007363 ring formation reaction Methods 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000118 anti-neoplastic effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000005311 nuclear magnetism Effects 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- SEEPANYCNGTZFQ-UHFFFAOYSA-N sulfadiazine Chemical compound C1=CC(N)=CC=C1S(=O)(=O)NC1=NC=CC=N1 SEEPANYCNGTZFQ-UHFFFAOYSA-N 0.000 description 1
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Abstract
一种2,4,6-三取代-均三嗪化合物的结构式如下:其合成方法是:在氩气保护下,由不同的无α-氢的腈与2-叔丁基-1,3-二-(三甲基硅基)乙烯氨基锂可合成不同取代基的均三嗪化合物;由不同的无α-氢的腈与催化量的二-(三甲基硅基)甲基锂或(二甲氨基-二甲基硅基)-二-(三甲基硅基)-甲基锂可聚合成一系列的相同取代基的均三嗪化合物。本发明具有合成方法简单,条件温和,反应时间短,反应速度快,成本低,副反应少,收率高,合成的新的2,4,6-三取代基三嗪化合物具有抗肿瘤的功能。
Description
本发明涉及一种2,4,6-三取代-均三嗪类化合物及其否成方法,具体属于由有机碱化合物直接催化不同的无α-氢的腈合成一系列2,4,6-三取代-均三嗪类化合物。
迄今为止,由腈直接合成三取代的均三嗪类化合物仅在高压(35-50kbar)和高温下进行,Fan Xu,Jian Hua Sun,Qi Shen,The 19th IUPACInternational Conference in Organometallic Chemistry,July 2000,PS182文献最新报道用Ln3+、SmI2和氨作催化剂在120-200℃反应24-72小时腈可环合生成均三嗪,但仅局限于极少数无α-氢腈的环合反应,且副反应较多,收率不高,成本高,反应速率慢,耗时长。
本发明的目的是提供一种收率高、成本低、反应速率快、新的2,4,6-三取代-均三嗪化合物及其合成方法。
本发明提供的新的2,4,6-三取代-均三嗪化合物不同取代基的结构式如下:
式中:R2=-But
本发明提供的2,4,6-三取代-均三嗪化合物相同取代基的结构式:
本发明合成不同取代基的均三嗪化合物方法包括如下步骤:
(1)在氩气保护下,将正己烷和二-(三甲基硅基)甲基锂按正己烷:二-(三甲基硅基)甲基锂=25~83∶1摩尔比加入到反应器中,将温度控制在-5℃~15℃,再加入与二-(三甲基硅基)甲基锂等摩尔的叔丁腈,反应1-5小时,得化合物a。
(2)-5℃~25℃下,在化合物a的溶液中加入与叔丁腈摩尔数比为1∶2的二甲氨基腈、N-氰基四氢吡咯、哌啶腈、苯腈、2-甲基苯腈、3-甲基苯腈、4-甲基苯腈、2-氰基吡啶、3-氰基吡啶、4-氰基吡啶其中之一的化合物,反应5-30小时,抽溶剂正己烷,使溶液达饱和状态,在-40~25℃下结晶5~72小时,得下列不同取代基的均三嗪化合物。
式中:R2=-But
本发明合成相同取代基的均三嗪化合物的方法包括如下步骤:
在氩气保护下,将正己烷和二-(三甲基硅基)甲基锂或(二甲氨基-二甲基硅基)-二-(三甲基硅基)-甲基锂按正己烷:二-(三甲基硅基)甲基锂或(二甲氨基-二甲基硅基)-二-(三甲基硅基)-甲基锂=25~83∶1摩尔比加入到反应器中,将温度控制在-5℃~15℃,再加入与二-(三甲基硅基)甲基锂摩尔比为1~20的二甲氨基腈、N-氰基四氢吡咯、哌啶腈、苯腈、2-甲基苯腈、3-甲基苯腈、4-甲基苯腈、2-氰基吡啶、3-氰基吡啶或4-氰基吡啶其中之一的化合物,反应1-5小时,得下列化合物。
本发明与现有技术相比具有如下优点:
(1)合成方法简单,条件温和。
(2)反应时间短,反应速度快。
(3)成本低。
(4)副反应少,收率高。
(5)合成的新的2,4,6-三取代基三嗪化合物具有抗肿瘤的功能。
本发明的实施例如下:
实施例1:2,4,6-三(二甲氨基)-1,3,5-均三嗪(1)的合成及表征
在氩气保护下,取0.50mL(6.18mmol)二甲氨基腈,加入约20mL正己烷,搅拌,室温加0.078g(0.469mmol)二(三甲基硅基)甲基锂,反应5小时,抽溶剂浓缩,在-30℃结晶,的白色针状晶体产物0.413g,收率95%。元素分析:C9H18N6 M210.27,Calcd:C51.43%,H8.63%,N40.00%。Found:C53.22%,H8.68%,N37.71%。1H NMR(CDCl3):σ3.08(s,18H,NMe2)。
图1 2,4,6-三(二甲氨基)-1,3,5-均三嗪的分子结构和原子数目图
实施例2:2,4,6-三哌啶基-1,3,5-均三嗪(2)的合成及表征
在氩气保护下,0.55mL(4.75mmol)1-哌啶腈,加入约20mL正己烷,搅拌,室温加0.051g(0.309mmol)二(三甲基硅基)甲基锂,反应5小时,出现白色的等摩尔量沉淀,核磁证明为目标化合物。1H NMR(C6D6):δ1.48(t,6H,CH2[六氢吡啶环中与碳相连的三个CH2]),3.12(d,4H,CH2[六氢吡啶环中与氮相连的二个CH2])。
实施例3:2,6-二对吡啶基-4-叔丁基-1,3,5-均三嗪(3)的合成及表征
在氩气保护下,取0.728g(3.24mmol)2-叔丁基-1,3-二(三甲基硅基)氮烯丙基锂于约15mL乙醚中,0℃,搅拌,加0.685g(7.24mmol)对吡啶腈,反应10小时,有黄色沉淀生成,过滤,抽干,得黄色片状晶体0.716g,收率76%。1H NMR(CDCl3):δ1.73(d,9H,-CMe3),δ8.01-9.08(t,8H,吡啶环上的氢)。
图2 2,6-二对吡啶基-4-叔丁基-1,3,5-均二嗪的分子结构和原子数目图
部分键长():C(1)-N(1)1.397(4),C(1)-N(3)1.340(4),C(1)-C(4)1.527(5),N(1)-C(2)1.392(4),C(2)-N(2)1.337(4),C(2)-C(10)1.486(5),N(2)-C(3)1.330(4),C(3)-N(3)1.334(4),C(3)-C(15)1.499(4),C(4)-C(7)1.466(6),C(4)-C(6)1.518(6),C(4)-C(5)1.555(7),N(4)-C(12)1.324(5),N(4)-C(8)1.334(4),C(8)-C(9)1.362(5),C(9)-C(10)1.387(5),C(10)-C(11)1.385(4),C(11)-C(12)1.373(5)部分键角(°):N(3)-C(1)-N(1)121.5(3),N(3)-C(1)-C(4)117.9(3),C(2)-N(1)-C(1)117.0(3),C(9)-C(10)-C(11)116.7(3)
晶体参数(3):C17H18N5M=300.36,orthorhombic,Pccn,a=13.309(3),b=22.607(5),c=10.871(2),=90°,U=3270.7(11)3,F(000)1272;Z=8,Dc=1.220gcm-3,(Mo-K)=0.79cm-1,T=293(2)K,specimen 0.50×0.30×0.30mm,2868 unique reflections for 2.95<<24.99°,2868reflection with I>2(I);R=0.0702,R′=0.1589,S=1.037.
实施例4:2,6-(二)二甲氨基基-4-叔丁基-1,3,5-均三嗪(4)的合成及表征
在氩气保护下,取0.830g(3.61mmol)2-叔丁基-1,3-二(三甲基硅基)氮烯丙基锂于15mL正己烷中,0℃,搅拌,逐滴加入Me2NCN(0.58mL,7.22mmol),自然升至室温继续反应,过夜,将溶剂抽走,在4.3×10-4pa,80℃下升华,得无色晶体的产物(0.16g,15%)1H NMR.(C6D6,300Hz):δ2.89(s,12H,NMe2),3.24(s,9H,CMe3).
图3 2,6-(二)二甲氨基基-4-叔丁基-1,3,5-均三嗪的分子结构和原子数目图
部分键长():N(1)-C(3)1.328(5),N(1)-C(1)1.361(5),C(1)-N(2)1.339(5),N(2)-C(2)1.350(5),C(2)-N(3)1.347(5),N(3)-C(3)1.331(5),C(1)-N(4)1.347(5),C(2)-N(5)1.341(5),C(3)-C(8)1.505(6);部分键角(°):C(3)-N(1)-C(1)114.5(4),N(2)-C(1)-N(1)124.6(4),C(1)-N(2)-C(2)115.1(4),N(2)-C(2)-N(3)124.7(4),C(2)-N(3)-C(3)114.8(4),N(3)-C(3)-N(1)126.3(4),N(1)-C(1)-N(4)117.3(5),C(4)-N(4)-C(5)118.5(4),C(9)-C(8)-C(10)104.8.
晶体参数(4):C14.67H28N6.67 M=297.77,monoclinic,P2(1)/c,a=9.970(3),b=10.093(3),c=14.051(4),=104.966(6)°,U=1366.5(7)3,F(000)488;Z=3,Dc=1.096gcm-3,(Mo-K)=0.70cm-1,T=298(2)K,specimen 0.20×0.25×0.30mm,1956 unique reflections for 2.11<<23.25°,4557 reflection with I>2(I);R=0.0745,R′=0.1499,S=1.081.
实施例5:2,4,6-三苯基-1,3,5-均三嗪(5)的合成及表征
在氩气保护下,取[(SiMe3)2CSiMe2NMe2]Li(TMEDA)(0.83g,2.17mmol)于20mL乙醚中,0℃,搅拌,加PhCN(0.45g,4.3mmol),自然升至室温继续反应,过夜,产生白色(微黄色)沉淀(检测为产物0.14g,31%),过滤并浓缩反应母液得无色针状晶体(产物0.2g,44%),总收率为75%。催化量实验:取[(SiMe3)2CSiMe2NMe2]Li(TMEDA)(0.498g,1.3mmol)于20mL正己烷中,0℃,搅拌,加PhCN(1.07g,10.4mmol),自然升至室温继续反应,过夜,产生白色(微黄色)沉淀(检测为产物0.589g,55%),过滤并浓缩反应母液得无色针状晶体(产物0.38g,35.5%),总收率为90.5%。1H NMR(300MHz,CDCl3):δ=8.86898,8.84553(d,6H;o-CH),7.67414(t,9H;m-and p-CH);13C NMR(75MHz,CDCl3):δ=172.631(ipso-C of triazine ring),137.233(ipso-C of phenyl),133.460(o-CH),129.937,129.602(m-CH and p-CH).
图4 2,4,6-三苯基-1,3,5-均三嗪(5)的分子结构和原子数目图
实施例6:2,4,6-三(二甲氨基)-1,3,5-均三嗪的合成及表征
在氩气保护下,取[(SiMe3)2CSiMe2NMe2]Li(TMEDA)(1.1g,2.89mmol)于20mL正己烷中,0℃,搅拌,加Me2NCN(0.406g,5.8mmol),自然升至室温继续反应,过夜,产生微黄色沉淀(检测为产物0.117g,29%),过滤并浓缩反应母液得微黄色晶体(产物0.19g,47%),总收率为76%。1H NMR(300MHz,CDCl3):δ=3.11511(s,6H;NMe2);13C NMR(75MHz,CDCl3):δ=28.4983(NMe2).
实施例7:2,4,6-三邻甲苯基-1,3,5-均三嗪的合成及表征
取[(SiMe3)2CSiMe2NMe2]Li(TMEDA)(0.439g,1.15mmol)于20mL正己烷中,0℃,搅拌,加邻甲苯腈(1.2g,10.2mmol),自然升至室温继续反应,过夜,产生黄色沉淀(检测为产物0.23g,19%),母液中没有分离出产物。1H NMR(300MHz,CDCl3):δ=7.90409-7032809(m,4H;phenyl),2.61703-2.44908(m,3H;o-Me)
实施例8:2,4,6-三间甲苯基-1,3,5-均三嗪的合成及表征
取[(SiMe3)2CSiMe2NMe2]Li(TMEDA)(0.23g,0.6mmol)于20mL正己烷中,0℃,搅拌,加间甲苯腈(0.703g,6mmol),自然升至室温继续反应,过夜,产生黄色沉淀(检测为产物0.34g,48%),过滤并浓缩反应母液得微黄色晶体(产物0.35g,50%),总收率为98%。1H MR(300MHz,CDCl3):δ=8.86338,7.40228,7.27065(m,4H;phenyl),2.31394(m,3H;m-Me)
Claims (4)
3.如权利要求1所述的一种2,4,6-三取代-均三嗪化合物的合成方法,其特征在于合成不同取代基的均三嗪化合物方法包括如下步骤:
(1)在氩气保护下,将正己烷和二-(三甲基硅基)甲基锂按正己烷:二-(三甲基硅基)甲基锂=25~83∶1摩尔比加入到反应器中,将温度控制在-5℃~15℃,再加入与二-(三甲基硅基)甲基锂等摩尔的叔丁腈,反应1-5小时,得化合物a;
(2)-5℃~25℃下,在化合物a的溶液中加入与叔丁腈摩尔数比为1∶2
的选自二甲氨基腈、N-氰基四氢吡咯、哌啶腈、苯腈、2-甲基苯腈、3-甲基苯腈、4-甲基苯腈、2-氰基吡啶、3-氰基吡啶、4-氰基吡啶其中之一的化合物,反应5-30小时,抽溶剂正己烷,使溶液达饱和状态,在-40~25℃下结晶5~72小时,得下列不同取代基的均三嗪化合物;
式中:R2=-But
4.如权利要求2所述的一种2,4,6-三取代-均三嗪化合物的合成方法,其特征在于合成相同取代基的均三嗪化合物的方法包括如下步骤:
在氩气保护下,将正己烷和二-(三甲基硅基)甲基锂或(二甲氨基-二甲基硅基)-二-(三甲基硅基)-甲基锂按正己烷:二-(三甲基硅基)甲基锂=25~83∶1摩尔比加入到反应器中,将温度控制在-5℃~15℃,再加入与二-(三甲基硅基)甲基锂摩尔比为1~20的选自二甲氨基腈、N-氰基四氢吡咯、哌啶腈、苯腈、2-甲基苯腈、3-甲基苯腈、4-甲基苯腈、2-氰基吡啶、3-氰基吡啶、4-氰基吡啶其中之一的化合物,反应1-5小时,得下列化合物;
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