CN106986815A - 光学活性吲哚螺环戊烯酮及其衍生物和制备方法 - Google Patents

光学活性吲哚螺环戊烯酮及其衍生物和制备方法 Download PDF

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CN106986815A
CN106986815A CN201710234825.3A CN201710234825A CN106986815A CN 106986815 A CN106986815 A CN 106986815A CN 201710234825 A CN201710234825 A CN 201710234825A CN 106986815 A CN106986815 A CN 106986815A
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CN106986815B (zh
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刘全忠
潘婷
曹菲
何龙
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China West Normal University
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Abstract

本发明所涉及光学活性吲哚螺环戊烯酮及其衍生物和制备方法,具体为光学活性环戊烯酮‑1,3′‑吲哚啉‑2‑酮及其衍生物;以吲哚‑2‑重氮化合物与反式2‑三甲基硅氧基‑4‑甲氧基‑1,3‑丁二烯为原料,手性羧酸铑为催化剂反应2‑24h合成,其产率在65‑95%之间,产物光学纯度为20‑99%ee,比现有方法的产率高,并且制备过程简单。

Description

光学活性吲哚螺环戊烯酮及其衍生物和制备方法
技术领域
本发明涉及一种光学活性吲哚螺环戊烯酮的合成方法,具体为光学活性环戊烯酮-1,3′-吲哚啉-2-酮及其衍生物和制备方法。
背景技术
手性环戊烯酮是有机合成中的重要中间体,是许多天然产物和药物分子的重要组成部分,因此此类化合物具有非常重要的生物药理活性,其合成方法往往通过多步反应才能得到,目前一锅法合成得到环戊烯酮的方法还很少见。
发明内容
本发明的目的是克服现有技术的不足,提供一种过程简单、产率高的光学活性光学活性环戊烯酮-1,3′-吲哚啉-2-酮及其衍生物的制备方法。
具体的技术方案是:
光学活性吲哚螺环戊烯酮及其衍生物,其化学结构式为:
其中R是乙酰基、甲基、乙基、苄基等;R′是甲基、甲氧基、硝基、氯、溴、氟等。
该光学活性吲哚螺环戊烯酮及其衍生物,由以下方法制得:
以手性羧酸铑、反式2-三甲基硅氧基-4-甲氧基-1,3-丁二烯、溶剂(四氯化碳、氯仿、乙醚、四氢呋喃或正己烷)以0.001~0.01mol:1.0~2.0mmol:2~10mL比例混合溶解,加入吲哚-2-重氮化合物(1mmol)溶解于相应溶剂的溶液,加完后继续反应直至反应溶解完成,加入三氟乙酸0.5-2mL搅拌处理,反应完毕的混合物加入饱和NH4Cl水溶液,以乙酸乙酯萃取,所得的有机相,经无水硫酸钠干燥;蒸出溶剂后经柱层析分离纯化,得到光学活性吲哚螺环戊烯酮及其衍生物。
其产率在65-95%之间,产物光学纯度为78-99%ee。
反应过程为:
上列反应式中,R是乙酰基、甲基、乙基、苄基;R′是氢、甲基、甲氧基、异丙基、硝基、氯、溴、氟等。所述的手性羧酸铑为四[(S)-(-)-N-(p-十二烷基苯磺酰)脯胺酸]二铑(II)(Rh2(DOSP)4以及下述8种手性羧酸铑之一:
本发明提供的光学活性吲哚螺环戊烯酮及其衍生物和制备方法,比现有方法的产率高,并且制备过程简单。
具体实施方式
以下通过实施例说明本发明的具体实施方式。
实施例1
光学活性的吲哚螺环戊烯酮3a的合成,其反应式为:
在一干燥的试管中加入四[(S)-(-)-N-(p-十二烷基苯磺酰)脯胺酸]二铑(II)(Rh2(DOSP)4(9.48mg,0.005mmol)、2-三甲基硅氧基-4-甲氧基-1,3-丁二烯(1.5mmol),加入无水无氧的二氯甲烷(1mL),室温搅拌30min后,往其中慢慢加入N-苄基-2-氧代-3-重氮基吲哚(1a,0.1mmol)溶于二氯甲烷(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-吲哚-3-螺环戊烯酮3a。产率99%,白色固体,16%ee。对映选择性通过HPLC决定(chiralpak IC column,20%异丙醇的正己烷溶液,流速:1.0mL/min,254nm)。Retention time:t(minor)=41.49min,major)=52.71min.1HNMR(400MHz,CDCl3,ppm):δ7.39-7.29(m,6H),7.27-7.24(m,1H),7.11-7.06(m,2H),6.86-6.84(d,J=7.90Hz,1H),6.495(d,J=5.44Hz,1H),5.00-4.92(m,2H),3.02(d,J=18.37Hz,1H),2.63(d,J=18.38Hz,1H).13CNMR(100MHz,CDCl3,ppm):δ207.6,176.2,161.7,142.5,135.3,135.2,129.4,129.3,128.9,127.9,127.4,123.5,123.4,109.8,56.6,44.6,444.4.HRMS(ESI):calcd for C19H15NO2[M+H]+290.1136,found 290.1140。
实施例2
光学活性的吲哚螺环戊烯酮3a的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑I(1.42mg,0.001mmol)、2-三甲基硅氧基-4-甲氧基-1,3-丁二烯(2mmol)加入无水无氧的四氯化碳(1mL),室温搅拌30min后,往其中慢慢加入N-苄基-2-氧代-3-重氮基吲哚(1a,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-吲哚-3-螺环戊烯酮3a。产率95%,白色固体,75%ee。
手性羧酸铑1为上文中所述的八种手性羧酸铑中第一种,即1R=t-Bu,X=H,下文依次类推。
实施例3
光学活性的吲哚螺环戊烯酮3a的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑II(2.67mg,0.002mmol)、2-三乙基硅氧基-4-甲氧基-1,3-丁二烯(2mmol),加入无水无氧的四氯化碳(1mL),0℃下搅拌30min后,往其中慢慢加入N-苄基-2-氧代-3-重氮基吲哚(1a,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-吲哚-3-螺环戊烯酮3a。产率95%,白色固体,69%ee。
实施例4
光学活性的吲哚螺环戊烯酮3a的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑III(12.66mg,0.008mmol)、2-三异丙基硅氧基-4-甲氧基-1,3-丁二烯(2mmol),分子筛(50mg),加入无水无氧的四氯化碳(2mL),0℃下搅拌30min后,往其中慢慢加入N-苄基-2-氧代-3-重氮基吲哚(1a,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-吲哚-3-螺环戊烯酮3a。产率93%,白色固体,85%ee。
实施例5
光学活性的吲哚螺环戊烯酮3b的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑IV(2.35mg,0.002mmol)、2-三异丙基硅氧基-4-甲氧基-1,3-丁二烯(3mmol),分子筛(40mg),加入无水无氧的四氯化碳(3mL),0℃下搅拌40min后,往其中慢慢加入5-异丙基-N-苄基-2-氧代-3-重氮基吲哚(1b,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-5-异丙基吲哚-3-螺环戊烯酮3b。产率90%,白色固体,83%ee。产率:90%.Rf=0.34(petroleum ether/ethyl acetate 5:1),[α]D 30.4=-64.9(c=0.097,CH2Cl2),m.p.105-1102℃,83%ee,determined by HPLC analysis(chiralpak ICcolumn,40%IPA in hexane,rate:1.0mL/min,254nm).Retention time:t(minor)=21.37min,t(major)=31.20min。重结晶后对映选择性达到97%ee,HPLC分析条件(chiralpak IC column,40%IPA in hexane,rate:1.0mL/min,254nm).Retention time:t(minor)=21.12min,t(major)=31.02min.1H NMR(400MHz,CDCl3,ppm):δ7.38-7.28(m,6H),7.13-7.10(m,1H),6.96-6.95(d,J=1.52Hz,1H),6.78-6.76(d,J=8.03Hz,1H),6.50-6.49(d,J=5.41,1H),5.01-4.90(m,2H),3.04-2.99(d,J=18.41Hz,1H),2.90-2.83(m,1H),2.62(d,J=18.45Hz,1H),1.21(d,J=6.91Hz,6H).13CNMR(100MHz,CDCl3,ppm):δ207.9,176.2,162.0,144.6,140.3,135.5,135.1,129.4,128.9,127.4,127.0,121.5,109.5,56.8,44.7,44.4,33.9,24.2.HRMS(ESI):calcd for C22H21NO2[M+H]+332.1606,found332.1610。
实施例6
光学活性的吲哚螺环戊烯酮3c的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑V(3.12mg,0.002mmol)、2-三异丙基硅氧基-4-甲氧基-1,3-丁二烯(3mmol),分子筛(40mg),加入无水无氧的四氯化碳(3mL),0℃下搅拌40min后,往其中慢慢加入5-氟-N-苄基-2-氧代-3-重氮基吲哚(1c,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-5-氟-3-螺环戊烯酮3c。产率81%,白色固体,80%ee。Rf=0.34(petroleum ether/ethyl acetate 5:1),[α]D 30.4=8.9(c=0.433,CH2Cl2),m.p.48-45℃,80%ee,determined by HPLC analysis(chiralpak IA column,40%IPA in hexane,rate:1.0mL/min,254nm).Retention time:t(minor)=37.96min,t(major)=33.86min.重结晶后对映选择性达到99%ee,HPLC分析条件(chiralpak IC column,40%IPA inhexane,rate:1.0mL/min,254nm).Retention time:t(minor)=40.23min,t(major)=35.53min.1HNMR(400MHz,CDCl3,ppm):δ7.38-7.28(m,6H),6.98-6.93(m,1H),6.87-6.84(m,1H),6.76-6.73(m,1H),6.51(d,J=5.44Hz,1H),5.09-4.89(m,2H),3.02(d,J=18.56,1H),2.64-2.60(d,J=18.37Hz,1H).13CNMR(100MHz,CDCl3,ppm):δ206.7,175.9,160.8,135.6,135.1,129.0,128.0,127.3,115.5,115.5,111.7,111.43,110.4,110.35,56.8,44.5,44.4.HRMS(ESI):calcd for C19H15FNO2[M+H]+308.1042,found:308.104。
实施例7
光学活性的吲哚螺环戊烯酮3d的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑VI(2.37mg,0.002mmol)、2-三异丙基硅氧基-4-甲氧基-1,3-丁二烯(3mmol),分子筛(40mg),加入无水无氧的四氯化碳(3mL),0℃下搅拌40min后,往其中慢慢加入5-氯-N-苄基-2-氧代-3-重氮基吲哚(1d,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-5-氯-3-螺环戊烯酮3d。产率88%,白色固体,86%ee。Rf=0.33(petroleum ether/ethyl acetate 5:1),[α]D 30.4=-6.5(c=0.263,CH2Cl2),m.p.165-163℃,86%ee,determined by HPLC analysis(chiralpak IA column,40%IPA in hexane,rate:1.0mL/min,254nm).Retention time:t(minor)=30.91min,t(major)=22.99min.重结晶后对映选择性达到96%ee,HPLC分析条件(chiralpak IC column,40%IPA inhexane,rate:1.0mL/min,254nm).Retention time:t(minor)=32.24min,t(major)=24.10min.1HNMR(400MHz,CDCl3,ppm):δ7.49(d,J=5.43Hz,1H),7.445(d,J=6.24Hz,1H),7.38-7.31(m,3H),7.28-7.27(m,2H),7.25(m,1H),6.69(d,J=8.43,1H),5.685(d,J=6.24,1H),4.96-4.86(m,2H),3.26(d,J=16.71,1H),2.74(d,J=16.71,1H).13CNMR(100MHz,CDCl3,ppm):δ188.6,171.8,161.2,140.6,134.3,131.1,129.1,129.0,128.8,128.2,127.1,124.9,111.2,107.2,81.1,44.1,41.2.HRMS(ESI):calcd for C19H15ClNO2[M+H]+:325.0684,found:325.0700。
实施例8
光学活性的吲哚螺环戊烯酮3e的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑VII(2.48mg,0.002mmol)、2-三异丙基硅氧基-4-甲氧基-1,3-丁二烯(3mmol),分子筛(40mg),加入无水无氧的四氯化碳(3mL),0℃下搅拌40min后,往其中慢慢加入5-溴-N-苄基-2-氧代-3-重氮基吲哚(1e,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-5-溴-3-螺环戊烯酮3e。产率99%,白色固体。Rf=0.35(petroleum ether/ethyl acetate 5:1),[α]D 30.4=-13.7(c=0.742,CH2Cl2),m.p.153-152℃,83%ee。determined by HPLC analysis(chiralpak IA column,40%IPA inhexane,rate:1.0mL/min,254nm).t(major)=23.58min,t(minor)=31.15min重结晶后对映选择性达到99%ee,HPLC分析条件(chiralpak IC column,40%IPA in hexane,rate:1.0mL/min,254nm).Retention time:t(major)=23.64min,t(minor)=33.26min.1HNMR(400MHz,CDCl3,ppm):δ7.39-7.32(m,4H),7.30-7.28(m,3H),7.22-7.216(d,J=1.85Hz,1H),6.705(d,J=8.34Hz,1H),6.5155(d,J=5.43Hz,1H),3.00(d,J=18.40Hz,1H),2.65-2.60(d,J=18.40Hz,1H).13C NMR(100MHz,CDCl3,ppm):δ206.6,175.6,160.6,141.5,135.6,134.9,132.1,131.5,129.0,128.1,127.3,126.7,116.0,111.2,56.5,44.5,44.4.HRMS(ESI):calcd for C19H15BrNO2[M+H]+369.0187,found:369.0190。
实施例9
光学活性的吲哚螺环戊烯酮3f的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑VIII(2.48mg,0.002mmol)、2-三异丙基硅氧基-4-甲氧基-1,3-丁二烯(3mmol),分子筛(40mg),加入无水无氧的四氯化碳(3mL),0℃下搅拌40min后,往其中慢慢加入5-甲基-N-苄基-2-氧代-3-重氮基吲哚(1f,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-5-甲基-3-螺环戊烯酮3f。产率86%,白色固体。Rf=0.28(petroleum ether/ethyl acetate 5:1),[α]D 30.4=-10.1(c=0.109,CH2Cl2),m.p.163-161℃,84%ee。determined by HPLC analysis(chiralpak IA column,40%IPAin hexane,rate:1.0mL/min,254nm).t(major)=29.56min,t(minor)=40.84min。重结晶后对映选择性达到90%ee,HPLC分析条件(chiralpak IC column,40%IPA in hexane,rate:1.0mL/min,254nm).t(major)=30.70min,t(minor)=42.57min.1HNMR(400MHz,CDCl3,ppm):δ7.38-7.28(m,6H),7.06-7.04(m,1H),6.91(s,1H),6.715(d,J=7.96Hz,1H),6.48(d,J=5.41Hz,1H),5.02-4.90(m,2H),3.01(d,J=18.41Hz,1H),2.62(d,J=18.39Hz,1H),2.31(s,3H).13CNMR(100MHz,CDCl3,ppm):δ207.6,176.1,161.8,140.1,135.5,135.0,133.2,129.49,129.45,128.9,127.9,127.3,124.2,109.5,56.7,44.6,44.4,29.7,21.0.HRMS(ESI):calcd for C20H17NO2[M+H]+304.1293,found 304.1300。
实施例10
光学活性的吲哚螺环戊烯酮3g的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑VIII(2.48mg,0.002)、2-三异丙基硅氧基-4-甲氧基-1,3-丁二烯(3mmol),分子筛(40mg),加入无水无氧的四氯化碳(3mL),0℃下搅拌40min后,往其中慢慢加入5-甲氧基-N-苄基-2-氧代-3-重氮基吲哚(1g,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-5-甲氧基-3-螺环戊烯酮3g。产率96%,白色固体。Rf=0.35(petroleum ether/ethyl acetate 5:1),[α]D 30.4=-6.0(c=0.267,CH2Cl2),m.p.130-127℃,77%ee,determined by HPLC analysis(chiralpak IA column,40%IPA in hexane,rate:1.0mL/min,254nm).t(major)=29.67min,t(minor)=39.80min。重结晶后对映选择性达到99%ee,HPLC分析条件(chiralpak IC column,40%IPA in hexane,rate:1.0mL/min,254nm).time:t(major)=35.80min,t(minor)=48.07min.1HNMR(400MHz,CDCl3,ppm):δ7.38-7.28(m,6H),6.79-6.76(m,1H),6.72(d,J=8.51Hz,1H),6.695(d,J=2.41,1H),6.49(d,J=5.46Hz,1H),5.00-4.89(m,1H),3.76(s,3H),3.002(d,J=18.38Hz,1H),2.62(d,J=18.39Hz,1H).13CNMR(100MHz,CDCl3,ppm):δ207.4,175.8,161.6,156.6,135.8,135.5,135.2,130.7,128.9,127.9,127.3,113.8,110.5,110.2,57.0,55.8,44.6,44.4.HRMS(ESI):calcd for C20H17NO3[M+H]+320.1242,found320.1240。
实施例11
光学活性的吲哚螺环戊烯酮3h的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑VII(2.48mg,0.002)、2-三异丙基硅氧基-4-甲氧基-1,3-丁二烯(3mmol),分子筛(40mg),加入无水无氧的四氯化碳(3mL),0℃下搅拌40min后,往其中慢慢加入5-硝基-N-苄基-2-氧代-3-重氮基吲哚(1h,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-5-硝基-3-螺环戊烯酮3h。产率82%,白色固体。Rf=0.31(petroleum ether/ethyl acetate 5:1),[α]D 30.4=-6.7(c=0.179,CH2Cl2),m.p.140-138℃,71%ee,determined by HPLC analysis(chiralpak IA column,40%IPA in hexane,rate:1.0mL/min,254nm).t(major)=16.89min,t(minor)=29.18min。重结晶后对映选择性达到87%ee,HPLC分析条件(chiralpak IC column,40%IPA in hexane,rate:1.0mL/min,254nm).t(major)=17.77min,t(minor)=30.85min.1HNMR(400MHz,CDCl3,ppm):δ8.23(d,J=2.28Hz,1H),8.005(d,J=2.20Hz,1H),7.42-7.30(m,6H),6.94(d,J=8.84Hz,1H),6.54(d,J=5.53,1H),5.09-4.98(m,2H),3.04(d,J=18.35Hz,1H),2.70(d,J=18.32Hz,1H).13CNMR(100MHz,CDCl3,ppm):δ205.8,176.3,159.5,148.0,143.9,136.4,134.2,130.5,129.3,128.5,127.3,126.4,119.5,109.4,56.1,44.8,44.3.HRMS(ESI):calcd forC19H14N2O4[M+H]+335.0987,found 339.1000。
实施例12
光学活性的吲哚螺环戊烯酮3i的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑I(2.84mg,0.002mmol)、2-三异丙基硅氧基-4-甲氧基-1,3-丁二烯(3mmol),分子筛(40mg),加入无水无氧的四氯化碳(3mL),0℃下搅拌40min后,往其中慢慢加入4-甲基-N-苄基-2-氧代-3-重氮基吲哚(1i,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-4-甲基-3-螺环戊烯酮3i。产率73%,无色油状。Rf=0.36(petroleum ether/ethyl acetate 5:1),[α]D 30.4=17.4(c=0.21,CH2Cl2),75%ee,determined by HPLC analysis(chiralpak IA column,40%IPA in hexane,rate:1.0mL/min,254nm).t(major)=27.77min,t(minor)=39.37min.1HNMR(400MHz,CDCl3,ppm):δ7.36-7.29(m,7H),7.19-7.12(m,1H),6.89-6.85(t,1H),6.71(d,J=7.81Hz,1H),6.59-6.56(m,1H),5.02-4.91(m,2H),2.95(d,J=18.64Hz,1H),2.82-2.77(d,J=18.58Hz,1H),2.16(s,3H).13CNMR(100MHz,CDCl3,ppm):δ207.4,176.2,161.1,142.7,136.2,128.9,127.3,125.7,107.5,107.0,69.6,57.0,44.4,43.9,42.3,29.7,18.0,17.1.HRMS(ESI):calcd for C20H17NO2[M+H]+304.1293,found 304.1300。
实施例13
光学活性的吲哚螺环戊烯酮3j的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑I(2.84mg,0.002mmol)、2-三异丙基硅氧基-4-甲氧基-1,3-丁二烯(3mmol),分子筛(40mg),加入无水无氧的四氯化碳(3mL),0℃下搅拌40min后,往其中慢慢加入4-溴-N-苄基-2-氧代-3-重氮基吲哚(1j,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-4-溴-3-螺环戊烯酮3j。产率92%,无色油状。Rf=0.32(petroleumether/ethyl acetate 5:1),[α]D 30.4=15.4(c=0.18,CH2Cl2),24%ee,determined byHPLC analysis(chiralpak IA column,40%IPA in hexane,rate:1.0mL/min,254nm).t(major)=47.00min,t(minor)=64.07min.1HNMR(400MHz,CDCl3,ppm):δ7.42-7.29(m,5H),7.25-7.23(d,J=5.44Hz,1H),7.18-7.12(m,2H),6.81-6.79(m,1H),6.615(d,J=5.44Hz,1H),5.03-4.91(m,2H),3.02(d,J=18.24Hz,1H),2.84(d,J=18.24Hz,1H).13CNMR(100MHz,CDCl3,ppm):δ206.9,175.6,159.1,144.4,137.3,134.9,130.7,129.1,128.1,127.3,126.8,119.6,108.7,58.0,44.5,41.7,25.4.HRMS(ESI):calcd for C19H14BrNO2[M+H]+369.0187,found 369.0200。
实施例14
光学活性的吲哚螺环戊烯酮3k的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑I(2.84mg,0.002mmol)、2-三异丙基硅氧基-4-甲氧基-1,3-丁二烯(3mmol),分子筛(40mg),加入无水无氧的四氯化碳(3mL),0℃下搅拌40min后,往其中慢慢加入4-氯-N-苄基-2-氧代-3-重氮基吲哚(1k,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-4-氯-3-螺环戊烯酮3k。产率82%,无色油状。Rf=0.37(petroleumether/ethyl acetate 5:1),[α]D 30.4=2.6(c=0.226,CH2Cl2),45%ee,determined byHPLC analysis(chiralpak IA column,40%IPA in hexane,rate:1.0mL/min,254nm).t(major)=23.85min,t(minor)=31.03min.1HNMR(400MHz,CDCl3,ppm):δ7.39-7.28(m,5H),7.25-7.19(m,1H),7.03-7.00(m,1H),6.77-6.74(m,1H),6.595(d,J=5.44Hz,1H),5.03-4.91(m,2H),3.00(d,J=18.28Hz,1H),2.88(d,J=18.20,1H).13CNMR(100MHz,CDCl3,ppm):δ206.9,175.6,159.1,136.8,134.9,131.3,130.5,129.1,128.1,127.3,125.2,124.2,108.2,57.1,44.6,41.7,29.7.HRMS(ESI):calcd for C19H14ClNO2[M+H]+325.0684,found325.0700。
实施例15
光学活性的吲哚螺环戊烯酮3l的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑I(2.84mg,0.002mmol)、2-三异丙基硅氧基-4-甲氧基-1,3-丁二烯(3mmol),分子筛(40mg),加入无水无氧的四氯化碳(3mL),0℃下搅拌40min后,往其中慢慢加入6-甲氧基-N-苄基-2-氧代-3-重氮基吲哚(1l,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-6-甲氧基-3-螺环戊烯酮3l。产率81%,白色固体。Rf=0.34(petroleum ether/ethyl acetate 5:1),[α]D 30.4=-4.8(c=0.242,CH2Cl2),m.p.106-102℃,90%ee,determined by HPLC analysis(chiralpak IA column,40%IPA in hexane,rate:1.0mL/min,254nm).t(major)=41.08min,t(minor)=49.26min.重结晶后对映选择性达到99%ee,HPLC分析条件(chiralpak IC column,40%IPA in hexane,rate:1.0mL/min,254nm).t(major)=39.52min,t(minor)=47.07.min.1HNMR(400MHz,CDCl3,ppm):δ7.38-7.25(m,6H),6.99(d,J=8.24Hz,1H),6.58-6.55(m,1H),6.46-6.42(m,2H),5.00-4.88(m,2H),3.76(s,3H),2.99(d,J=18.42Hz,1H),2.60(d,J=18.42Hz,1H).13CNMR(100MHz,CDCl3,ppm):δ207.5,176.7,161.8,160.9,143.8,135.4,134.8,128.9,127.9,127.4,124.0,121.2,107.1,97.9,56.2,55.5,44.8,44.4.HRMS(ESI):calcd for C20H17NO3[M+H]+320.1242,found 320.1240。
实施例16
光学活性的吲哚螺环戊烯酮3m的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑I(2.84mg,0.002mmol)、2-三异丙基硅氧基-4-甲氧基-1,3-丁二烯(3mmol),分子筛(40mg),加入无水无氧的四氯化碳(3mL),0℃下搅拌40min后,往其中慢慢加入6-氯-N-苄基-2-氧代-3-重氮基吲哚(1m,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-6-氯-3-螺环戊烯酮3m。产率85%,白色固体。Rf=0.34(petroleumether/ethyl acetate 5:1),[α]D 30.4=12.9(c=0.128,CH2Cl2),m.p.104-102℃,87%ee,determined by HPLC analysis(chiralpak IA column,40%IPA in hexane,rate:1.0mL/min,254nm).t(major)=42.14min,t(minor)=48.66min.重结晶后对映选择性达到93%ee,HPLC分析条件(chiralpak IC column,40%IPA in hexane,rate:1.0mL/min,254nm).t(major)=35.98min,t(minor)=41.82min.1HNMR(400MHz,CDCl3,ppm):δ7.32-7.26(m,5H),7.07-7.01(m,2H),6.835(d,J=1.60Hz,1H),6.505(d,J=5.60Hz,1H),5.01-4.90(m,2H),3.00(d,J=18.40Hz,1H),2.60(d,J=18.40Hz,1H),1.22(s,3H),1.20(s,3H).13CNMR(100MHz,CDCl3,ppm):δ207.0,176.2,161.0,143.7,135.5,135.1,134.8,134.4,123.4,110.3,56.2,44.5,44.4,32.0,29.7,22.7,14.2.HRMS(ESI):calcd for C19H14ClNO2[M+H]+325.0684,found 325.0670。
实施例17
光学活性的吲哚螺环戊烯酮3n的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑I(2.84mg,0.002mmol)、2-三异丙基硅氧基-4-甲氧基-1,3-丁二烯(3mmol),分子筛(40mg),加入无水无氧的四氯化碳(3mL),0℃下搅拌40min后,往其中慢慢加入6-溴-N-苄基-2-氧代-3-重氮基吲哚(1n,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-6-溴-3-螺环戊烯酮3n。产率77%,白色固体。Rf=0.31(petroleumether/ethyl acetate 5:1),[α]D 30.4=7.1(c=0.148,CH2Cl2),m.p.138-135℃,90%ee,determined by HPLC analysis(chiralpak IA column,40%IPA in hexane,rate:1.0mL/min,254nm).t(major)=41.14min,t(minor)=46.69min.重结晶后对映选择性达到99%ee,HPLC分析条件(chiralpak IC column,40%IPA in hexane,rate:1.0mL/min,254nm).t(major)=39.99min,t(minor)=48.75min.1HNMR(400MHz,CDCl3,ppm):δ7.33-7.21(m,6H),6.99-6.95(m,3H),6.505(d,J=5.20Hz,1H),5.00-4.89(m,2H),3.00(d,J=18.40Hz,1H),2.65(d,J=18.40,1H).13CNMR(100MHz,CDCl3,ppm):δ206.9,176.0,160.8,143.8,135.5,134.8,129.1,128.3,128.2,127.3,126.3,124.7,122.9,113.1,56.2,44.5,44.4,29.7.HRMS(ESI):calcd for C19H14BrNO2,[M+H]+369.0187,found 369.0200。
实施例18
光学活性的吲哚螺环戊烯酮3o的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑I(2.84mg,0.002mmol)、2-三异丙基硅氧基-4-甲氧基-1,3-丁二烯(3mmol),分子筛(40mg),加入无水无氧的四氯化碳(3mL),0℃下搅拌40min后,往其中慢慢加入7-三氟甲基-N-苄基-2-氧代-3-重氮基吲哚(1o,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-7-三氟甲基-3-螺环戊烯酮3o。产率81%,白色固体。Rf=0.32(petroleum ether/ethyl acetate 5:1),[α]D 30.4=4.8(c=0.136,CH2Cl2),m.p.145-142℃,54%ee,determined by HPLC analysis(chiralpak IA column,40%IPAin hexane,rate:1.0mL/min,254nm).t(major)=21.49min,t(minor)=29.69min.重结晶后对映选择性达到94%ee,HPLC分析条件(chiralpak IC column,40%IPA in hexane,rate:1.0mL/min,254nm).t(major)=19.28min,t(minor)=25.52min 1HNMR(400MHz,CDCl3,ppm):δ7.315(d,J=6.40Hz,1H),7.30-7.20(m,6H),6.54(d,J=5.20Hz,2H),6.52(d,J=5.20Hz,1H),5.27(s,2H),3.05-3.01(d,J=18.40Hz,1H),2.66(d,J=18.40Hz,1H).13CNMR(100MHz,CDCl3,ppm):δ206.6,177.4,160.6,140.8,135.8,135.7,132.2,128.6,127.5,127.47,127.2,125.6,124.5,123.0,55.0,46.1,46.0,45.0.HRMS(ESI):calcd forC20H14F3NO2,[M+H]+358.1010,found 358.100。
实施例19
光学活性的吲哚螺环戊烯酮3p的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑I(2.84mg,0.002mmol)、2-三异丙基硅氧基-4-甲氧基-1,3-丁二烯(3mmol),分子筛(40mg),加入无水无氧的四氯化碳(3mL),0℃下搅拌40min后,往其中慢慢加入7-甲基-N-苄基-2-氧代-3-重氮基吲哚(1p,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-7-甲基-3-螺环戊烯酮3p。产率80%,红色固体。Rf=0.35(petroleum ether/ethyl acetate 5:1),[α]D 30.4=20.9(c=0.074,CH2Cl2),m.p.99-96℃,76%ee,determined by HPLC analysis(chiralpak IA column,40%IPA in hexane,rate:1.0mL/min,254nm).t(minor)=57.74min,t(major)=86.50min.重结晶后对映选择性达到94%ee,HPLC分析条件(chiralpak IC column,40%IPA in hexane,rate:1.0mL/min,254nm).t(major)=19.28min,t(minor)=25.52min。HNMR(400MHz,CDCl3,ppm):δ7.38-7.29(m,4H),7.15(d,J=7.11Hz,2H),7.04-6.97(m,3H),6.495(d,J=5.46Hz,1H),5.26(s,2H),3.08(d,J=18.33Hz,1H),2.66(d,J=18.41Hz,1H),2.34(s,3H).13CNMR(100MHz,CDCl3,ppm):δ207.7,177.2,161.9,140.6,137.1,135.0,133.2,130.1,129.0,127.5,125.6,123.5,121.4,120.7,56.1,45.5,45.1,29.7.HRMS(ESI):calcd forC20H17NO2,[M+H]+304.1293,found 304.1300。
实施例20
光学活性的吲哚螺环戊烯酮3q的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑I(2.84mg,0.002mmol)、2-三异丙基硅氧基-4-甲氧基-1,3-丁二烯(3mmol),分子筛(40mg),加入无水无氧的四氯化碳(3mL),0℃下搅拌40min后,往其中慢慢加入5,7-二甲基-N-苄基-2-氧代-3-重氮基吲哚(1q,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-5,7-二甲基-3-螺环戊烯酮3q。产率80%,白色固体。Rf=0.32(petroleum ether/ethyl acetate 5:1),[α]D 30.4=-7.0°(c=0.293,CH2Cl2),m.p.159-155℃,75%ee,determined by HPLC analysis(chiralpak IA column,40%IPAin hexane,rate:1.0mL/min,254nm).t(major)=26.59min,t(minor)=42.82min.重结晶后对映选择性达到79%ee,HPLC分析条件(chiralpak IC column,40%IPA in hexane,rate:1.0mL/min,254nm).t(major)=29.08min,t(minor)=46.41min.1HNMR(400MHz,CDCl3,ppm):δ7.37-7.31(m,3H),7.24-7.20(m,4H),6.98(d,J=8.74Hz,1H),6.61(d,J=5.48Hz,1H),5.42(s,2H),3.03-2.98(d,J=18.25Hz,1H),2.86(d,J=18.25Hz,1H).13CNMR(100MHz,CDCl3,ppm):δ206.3,176.3,158.2,137.1,136.7,132.8,130.0,128.8,127.6,126.4,125.0,114.6,56.8,45.5,41.9,29.7,25.4.HRMS(ESI):calcd for C21H19NO2,[M+H]+318.1499,found 318.1500。
实施例21
光学活性的吲哚螺环戊烯酮3r的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑I(2.84mg,0.002mmol)、2-三异丙基硅氧基-4-甲氧基-1,3-丁二烯(3mmol),分子筛(40mg),加入无水无氧的四氯化碳(3mL),0℃下搅拌40min后,往其中慢慢加入4,7-二氯-N-苄基-2-氧代-3-重氮基吲哚(1r,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-4,7-二氯-3-螺环戊烯酮3r。产率91%,白色固体。Rf=0.27(petroleum ether/ethyl acetate 5:1),[[α]D 30.4=4.2°(c=0.179,CH2Cl2),m.p.57-59℃,37%ee,determined by HPLC analysis(chiralpak IA column,40%IPA in hexane,rate:1.0mL/min,254nm).t(major)=35.54min,t(minor)=52.11min.重结晶后对映选择性达到36%ee,HPLC分析条件(chiralpak IC column,40%IPA in hexane,rate:1.0mL/min,254nm).t(major)=33.70min,t(minor)=48.73min.1HNMR(400MHz,CDCl3,ppm):δ7.34-7.29(m,3H),7.23-7.20(m,4H),6.99(d,J=8.80,1H),6.61(d,J=5.60Hz,1H),5.42(s,2H),3.03-2.84(m,2H).13CNMR(100MHz,CDCl3,ppm):δ206.6,176.3,158.2,137.1,136.7,132.8,130.0,128.8,127.6,126.4,125.0,114.6,56.8,45.5,41.9,29.7,25.4.HRMS(ESI):calcd for C19H13ClNO2,[M+H]+359.0294,found359.0300。
实施例22
光学活性的吲哚螺环戊烯酮3s的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑I(2.84mg,0.002mmol)、2-三异丙基硅氧基-4-甲氧基-1,3-丁二烯(3mmol),分子筛(40mg),加入无水无氧的四氯化碳(3mL),0℃下搅拌40min后,往其中慢慢加入4-溴-5-甲基-N-苄基-2-氧代-3-重氮基吲哚(1s,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-4-溴,5-甲基-3-螺环戊烯酮3s。产率85%,黄色油状液体。Rf=0.25(petroleum ether/ethyl acetate 5:1),[α]D 30.4=-6.0°(c=0.306,CH2Cl2),44%ee,determined by HPLC analysis(chiralpak IA column,40%IPA in hexane,rate:1.0mL/min,254nm).t(minor)=27.59min,t(major)=36.54min.1HNMR(400MHz,CDCl3,ppm):δ7.37-7.30(m,5H),7.23(d,J=5.44Hz,1H),7.16-7.14(m,1H),6.71(d,J=7.95Hz,1H),6.6(d,J=5.44Hz,1H),5.01-4.90(m,2H),3.08-3.03(d,J=18.23Hz,1H),2.82(d,J=18.23Hz,1H),2.34(s,3H).13CNMR(100MHz,CDCl3,ppm):δ207.2,175.5,159.5,142.0,137.2,135.0,133.1,130.9,129.0,128.0,127.3,122.3,108.5,58.6,44.4,41.7,29.7,22.2.HRMS(ESI):calcd for C20H16BrNO2,[M+H]+383.0344,found 383.0340。
实施例23
光学活性的吲哚螺环戊烯酮3t的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑I(2.84mg,0.002mmol)、2-三异丙基硅氧基-4-甲氧基-1,3-丁二烯(3mmol),分子筛(40mg),加入无水无氧的四氯化碳(3mL),0℃下搅拌40min后,往其中慢慢加入N-蒽基-2-氧代-3-重氮基吲哚(1t,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-3-螺环戊烯酮3t。产率70%,白色固体。Rf=0.26(petroleumether/ethyl acetate5:1),[α]D 30.4=5.4°(c=1.374,CH2Cl2),m.p.168-166℃,85%ee,determined by HPLC analysis(chiralpak IA column,40%IPA in hexane,rate:1.0mL/min,254nm).t(major)=28.46min,t(minor)=38.61min.重结晶后对映选择性达到90%ee,HPLC分析条件(chiralpak IC column,40%IPA in hexane,rate:1.0mL/min,254nm).t(major)=30.63min,t(minor)=40.33min.1HNMR(400MHz,CDCl3,ppm):δ8.53(s,1H),8.45(d,J=8.96Hz,2H),8.06(d,J=8.45Hz,2H),7.66-7.62(m,2H),7.53-7.57(m,2H),7.23(d,J=5.41Hz,1H),6.97-6.95(m,1H),6.88-6.80(m,2H),6.52-6.50(d,J=5.41Hz,1H),6.36-6.34(m,1H),6.09(d,J=15.45Hz,1H),5.96(d,J=15.48Hz,1H),3.10-3.05(d,J=18.45Hz,1H),2.59(d,J=18.45Hz,1H).13CNMR(100MHz,CDCl3,ppm):δ207.7,176.2,161.8,142.5,135.2,131.4,130.9,129.8,129.3,129.2,129.1,127.1,125.2,123.4,123.0,110.8,56.6,44.7,38.1,29.7.HRMS(ESI):calcd for C27H19NO2,[M+H]+390.1449,found390.1500。
实施例24
光学活性的吲哚螺环戊烯酮3u的合成,其反应式为:
在一干燥的试管中加入手性羧酸铑I(2.84mg,0.002mmol)、2-三异丙基硅氧基-4-甲氧基-1,3-丁二烯(3mmol),分子筛(40mg),加入无水无氧的四氯化碳(3mL),0℃下搅拌40min后,往其中慢慢加入N-萘基-2-氧代-3-重氮基吲哚(1u,0.1mmol)溶于四氯化碳(1mL)的溶液,反应完成后(以TLC检测反应进展),将反应化合物降到0℃,加入0.5mL三氟乙酸搅拌15min,反应混合物加入5mL饱和NH4Cl水溶液,以乙酸乙酯萃取反应液三次,每次10mL,合并有机相,经无水硫酸钠干燥。蒸出溶剂后经柱层析分离纯化(石油醚:乙酸乙酯=10:1),得到(S)-2-氧代-3-螺环戊烯酮3u。产率95%,白色固体。Rf=0.28(petroleumether/ethyl acetate 5:1),[α]D 30.4=17.7°(c=0.155,CH2Cl2),m.p.178-176℃,83%ee,determined by HPLC analysis(chiralpak IA column,40%IPA in hexane,rate:1.0mL/min,254nm).t(major)=29.45min,t(minor)=37.06min.重结晶后对映选择性达到98%ee,HPLC分析条件(chiralpak IC column,40%IPA in hexane,rate:1.0mL/min,254nm).t(major)=31.68min,t(minor)=40.02min.1HNMR(400MHz,CDCl3,ppm):δ7.86-7.81(m,4H),7.53-7.50(m,2H),6.46-6.43(m,1H),7.34(d,J=5.40Hz,1H),7.26-7.22(m,1H),7.12-7.05(m,2H),6.90(d,J=7.82Hz,1H),6.51(d,J=5.40Hz,1H),5.21-5.08(m,2H),3.06(d,J=18.40Hz,1H),2.67(d,J=18.43Hz,1H).13CNMR(100MHz,CDCl3,ppm):δ207.6,176.3,161.4,142.5,135.3,133.3,132.9,132.8,129.4,129.3,129.0,127.8,127.77,126.5,126.46,126.3,125.1,123.5,123.4,109.8,56.7,44.7,44.6.HRMS(ESI):calcd forC23H17NO2,[M+H]+340.1293,found 390.1300。

Claims (3)

1.光学活性吲哚螺环戊烯酮及其衍生物,其特征在于,其化学结构式为:
其中R是乙酰基、甲基、乙基、苄基;R′是甲基、甲氧基、硝基、氯、溴、氟。
2.根据权利要求1所述的光学活性吲哚螺环戊烯酮及其衍生物的制备方法,其特征在于,包括以下步骤:
以吲哚-2-重氮化合物与反式2-三甲基硅氧基-4-甲氧基-1,3-丁二烯为原料,以卤代烷烃、醚类、烷烃为溶剂,1-10mol%手性羧酸铑为催化剂,合成反应2-24h。
3.根据权利要求2所述的光学活性吲哚螺环戊烯酮及其衍生物的制备方法,其特征在于:所述的手性羧酸铑为四[(S)-(-)-N-(p-十二烷基苯磺酰)脯胺酸]二铑(II)或者下述8种手性羧酸铑中的一种:
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108033969A (zh) * 2017-11-21 2018-05-15 中国医药集团总公司四川抗菌素工业研究所 一种氧化吲哚螺四氢呋喃化合物及其制备方法和用途

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104086477A (zh) * 2014-07-15 2014-10-08 西华师范大学 光学活性螺环戊烷-1,3′-吲哚及其衍生物的制备方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104086477A (zh) * 2014-07-15 2014-10-08 西华师范大学 光学活性螺环戊烷-1,3′-吲哚及其衍生物的制备方法

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
ANDREAS EKEBERGH,等: "Total Synthesis of Nostodione A,a Cyanobacterial Metabolite", 《ORG. LETT.》 *
BIAOLIN YIN,等: "Metal-Free Rearrangement of Spirofurooxindoles into Spiropentenoneoxindoles and Indoles: Implications for the Mechanism and Stereochemistry of the Piancatelli Rearrangement", 《ADV. SYNTH. CATAL.》 *
JOHN T. R. LIDDON,等: "Preparation and Reactions of Indoleninyl Halides: Scaffolds for the Synthesis of Spirocyclic Indole Derivatives", 《ORG. LETT.》 *
LI HUANG,等: "Synthesis, Skeletal Rearrangement, and Biological Activities of Spirooxindoles:Exploration of a Stepwise C-Piancatelli Rearrangement", 《EUR. J. ORG. CHEM.》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108033969A (zh) * 2017-11-21 2018-05-15 中国医药集团总公司四川抗菌素工业研究所 一种氧化吲哚螺四氢呋喃化合物及其制备方法和用途
CN108033969B (zh) * 2017-11-21 2020-04-10 中国医药集团总公司四川抗菌素工业研究所 一种氧化吲哚螺四氢呋喃化合物及其制备方法和用途

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