CN110950793B - 一种手性二芳基吲哚甲烷类化合物的制备方法 - Google Patents

一种手性二芳基吲哚甲烷类化合物的制备方法 Download PDF

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CN110950793B
CN110950793B CN201911409501.4A CN201911409501A CN110950793B CN 110950793 B CN110950793 B CN 110950793B CN 201911409501 A CN201911409501 A CN 201911409501A CN 110950793 B CN110950793 B CN 110950793B
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王益锋
储明明
许丹倩
徐振元
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Abstract

本发明公开了一种手性二芳基吲哚甲烷类化合物的制备方法,所述的方法为:在氮气氛围下,水油两相体系中,式(1)所示的2‑(芳基(对甲苯磺酰基)甲基)苯酚类化合物和式(2)所示的羟基吲哚在缚酸剂和手性双功能催化剂的共同作用下,在20~30℃下反应1‑48h,得到的反应液经后处理制得式(3)所示的手性二芳基吲哚甲烷类化合物;所述的手性双功能催化剂含至少一个叔胺、氮方酸功能团。本发明提供的制备方法条件温和、立体选择性好、反应原料方便易得,可操作性强。

Description

一种手性二芳基吲哚甲烷类化合物的制备方法
技术领域
本发明涉及在两相体系中通过手性叔胺-氮方酸催化吲哚苯环Friedel-Crafts二芳基甲基化反应制备一种手性二芳基吲哚甲烷类化合物的方法。
背景技术
吲哚结构单元具有重要的生物活性而普遍存在于天然产物和药物活性分子中,吲哚骨架的构建及对吲哚进行官能团修饰在过去几个世纪备受关注并得到长足发展。值得注意的是现有的小分子新药中有70%至少含有一个手性中心,因此发展不对称催化合成手性吲哚结构的方法一直以来都是合成化学家的重要课题。其中有机小分子催化的不对称合成在不对称催化领域是继有机金属催化和酶催化之后发展起来的又一个高效的不对称催化方法而一直备受关注。与有机金属催化相比,有机小分子催化剂一般对水、空气稳定,反应操作简便,易于工业放大,而且更重要的是其不含有毒金属,这在药物合成中尤为重要。与酶催化相比,小分子催化没有酶催化这样强的底物和反应专一性,一种催化剂可以催化几类反应,而且反应底物适应性相对较好。正是由于相对其它催化方式有其独特的优势。作为有机小分子催化的重要分支之一,基于氢键催化的不对称反应也迎来了较大发展,多种结构中包含氢键供体(如脲、硫脲、氮方酸、胍、膦酸等)的催化剂已经被设计出来,并在很多不对称催化反应中显示出优秀的手性诱导效果,已成为构筑碳-碳键和碳-杂原子键的重要合成策略。(A.Berkessel and H.
Figure BDA0002349578800000021
Asymmetric Organocatalysis,Wiley VCH,Weinheim,2005.;P.I.Dalko,Enantioselective Organocatalysis,Wiley-VCH,Weinheim,2007.)。
近年来,水油两相(Water-Oil phases)已经成为有机合成中重要的反应体系,因其能使有机化合物与水溶性离子化合物在反应过程中有效且快速地分离或结合而受到广泛关注。目前的研究来说,基于水油两相体系的有机反应,主要是季铵盐类、冠醚类相转移催化剂对有机底物与离子型反应物反应的促进作用。对于两相体系下的不对称有机催化,目前仅局限于离子液体。因此,发展更多的基于水油两相体系的不对称催化体系对构建日益需求的有机手性骨架具有重要的研究和实用价值。
(三)发明内容
本发明的目的是提供一种在两相体系中通过手性叔胺-氮方酸催化吲哚苯环Friedel-Crafts二芳基甲基化反应制备手性二芳基吲哚甲烷类化合物的方法
为实现上述目的,本发明采用如下技术方案:
一种式(3)所示的手性二芳基吲哚甲烷类化合物的合成方法,所述的合成方法为:
在氮气氛围下,水油两相体系中,原料式(1)所示的2-(芳基(对甲苯磺酰基)甲基)苯酚和原料式(2)所示的羟基吲哚在缚酸剂和手性双功能催化剂的共同作用下,在20~30℃下反应1-48h,得到的反应液经后处理制得式(3)所示的手性二芳基吲哚甲烷类化合物;所述的手性双功能催化剂含至少一个叔胺、氮方酸功能团;所述的式(1)所示2-(芳基(对甲苯磺酰基)甲基)苯酚与式(2)所示羟基吲哚、缚酸剂的物质量之比为0.2~5:1:0.5~20;所述的手性双功能催化剂与式(1)所示2-(芳基(对甲苯磺酰基)甲基)苯酚的物质的量之比为0.01~100:100;
反应式如下:
Figure BDA0002349578800000031
在式(1)中:
Ts表示对甲苯磺酰基;
式(1)、(3)中:
R1为H、甲氧基,乙氧基或卤素;
R2为烷基、呋喃基、噻吩基、萘基、苯基或者被一个或多个取代基取代的苯基,所述的取代基各自独立为甲基、苯基、甲氧基、三氟甲基、三氟甲氧基或卤素。
进一步,所述的式(1)所示2-(芳基(对甲苯磺酰基)甲基)苯酚与式(2)所示羟基吲哚、缚酸剂的物质量之比优选为0.5~2:1:1~10。
进一步,所述的手性双功能催化剂与式(1)所示2-(芳基(对甲苯磺酰基)甲基)苯酚的物质的量之比优选为0.1~20:1。
进一步,所述的水油两相体系水与有机溶剂以体积比1:0.05~10混合形成。
再进一步,所述的有机溶剂选自二氯甲烷、氯仿、1,2-二氯乙烷、乙醚、甲苯、四氢呋喃、乙酸乙酯或乙酸异丙酯。
进一步,所述的缚酸剂为常用的无机碱。
再进一步,所述的缚酸剂优选为碳酸钠、碳酸钾、碳酸铯、碳酸氢钠、碳酸氢钾、氢氧化钠、氢氧化钾或磷酸氢二钠。
具体的,所述的手性双功能催化剂选自下列式(4)~(7)所示化合物之一:
Figure BDA0002349578800000041
式(4)、(5)中,标有*的碳原子为手性碳原子。
式(4)、(5)、(6)、(7)中,
R5、R8、R11、R14各自独立为C1~C20烷基,或者被一个或多个取代基取代的苯基或苄基,所述的取代基各自独立为三氟甲基、硝基或卤素;
R6、R7、R9、R10各自独立为C1~C10烷基;
R12、R15各自独立为乙基或乙烯基;
R13、R16各自独立为H、羟基或甲氧基。
更加优选的,所述的手性催化剂选自下列之一:
Figure BDA0002349578800000051
进一步,所述反应液的后处理方法为:将反应液分液,取有机相减压浓缩后进行硅胶柱层析分离,以石油醚/乙酸乙酯体积比1~30:1的混合液为洗脱剂进行梯度洗脱,收集含目标化合物的洗脱液,蒸除溶剂并干燥,得到产物式(3)所示的手性二芳基吲哚甲烷类化合物。
与现有技术相比,本发明的有益效果在于:
本发明所述的合成方法中,以含有至少一个叔胺、氮方酸功能基团的手性有机小分子为催化剂,在水油两相中进行反应,后处理分离得到手性二芳基吲哚甲烷类化合物。所述的手性二芳基吲哚甲烷类化合物结构是一类重要结构单元,广泛存在于农药和医药领域,在新药物研发方向具有广阔的应用前景。本发明提供的制备方法条件温和、立体选择性好、反应原料方便易得,可操作性强。
(四)具体实施方式
下面结合具体实施例对本发明进行详细说明。以下实施例将有助于本领域的技术人员进一步理解本发明,但不以任何形式限制本发明。应当指出的是,对本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进。这些都属于本发明的保护范围。
反应实施例1:
Figure BDA0002349578800000061
在干燥的10ml反应试管中依次加入催化剂(7)-h(0.0015mmol,0.96mg),6-甲氧基-2-(苯基(对甲苯磺酰基)甲基)苯酚(0.1mmol,36.8mg),4-羟基吲哚(0.15mmol,19.5mg),碳酸钾(0.15mmol,20.7mg),然后进行氮气保护,注射器加入1,2-二氯乙烷(1.0mL)、水(0.5mL),投料完毕,用磁力搅拌器在室温下搅拌24h,TLC显示6-甲氧基-2-(苯基(对甲苯磺酰基)甲基)苯酚消耗完毕,反应液用CH2Cl2萃取分液,取有机相减压浓缩,上硅胶层析柱分离,以石油醚和乙酸乙酯的体积比为1~5:1的混合液为洗脱剂进行梯度洗脱,收集含目标化合物的洗脱液,蒸除溶剂并干燥得到产物(收率:93%,ee:97%)。1H NMR(500MHz,CDCl3)δ8.10(s,1H),7.31(dd,J=8.7,6.1Hz,2H),7.27–7.23(m,3H),7.10(t,J=2.8Hz,1H),6.92(d,J=8.4Hz,1H),6.82–6.77(m,3H),6.68(dd,J=6.9,2.4Hz,1H),6.59(ddd,J=3.2,2.1,1.0Hz,1H),6.19(s,1H),5.93(s,1H),5.58(s,1H),3.89(s,3H).13C NMR(126MHz,CDCl3)δ146.72,146.43,143.06,142.81,136.61,129.27,129.23,128.28,126.27,124.59,123.13,122.35,119.68,118.43,118.38,108.93,103.74,99.24,56.02,43.38.[α]D 30=26(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:IA columnat 254nm(n-hexane/i-PrOH=80/20),1.0mL/min.Major enantiomer:tR=15.9min,minorenantiomer:tR=20.9min.HRMS(ESI)calcd for C22H19NO3Na m/z[M+Na]+:368.1257,found:368.1254.
取相同的反应物,相同的操作步骤下,分别以0.025mmol以下催化剂替代催化剂(7)-h进行反应,结果如下表1所示:
表1
Figure BDA0002349578800000071
表1中,上标a表示分离收率,b表示通过手性高效液相色谱分析得到对应选择性
取相同的反应物,相同的操作步骤下,分别以1.5ml以下有机溶剂替代1,2-二氯乙烷进行反应,结果如下表2所示:
表2
Figure BDA0002349578800000081
表2中,上标a表示分离收率,b表示通过手性高效液相色谱分析得到对应选择性,c表示1.5mL1.2-二氯乙烷作为唯一溶剂e表示1.5mL水作为唯一溶剂。
取相同的反应物,相同的操作步骤下,分别以0.15mol以下无机碱替代碳酸钾进行反应,结果如下表3所示:
表3
Figure BDA0002349578800000091
表3中,上标a表示分离收率,b表示通过手性高效液相色谱分析得到对应选择性
取相同的反应物,相同的操作步骤下,分别在不同催化剂量(7)-h催化作用下进行反应,结果如下表4所示:
表4
Figure BDA0002349578800000092
表4中,上标a表示分离收率,b表示通过手性高效液相色谱分析得到对应选择性。
取相同的反应物,相同的操作步骤下,分别在不同体积的1.2-二氯乙烷进行反应,结果如下表5所示:
表5
Figure BDA0002349578800000101
反应实施例2:
Figure BDA0002349578800000102
与反应实施例1不同之处在于:所用的底物取代苯酚为6-乙氧基-2-(苯基(对甲苯磺酰基)甲基)苯酚,其它反应条件及操作步骤与反应实施例1相同(收率:91%,ee:95%)。
1H NMR(500MHz,CDCl3)δ8.09(s,1H),7.35–7.29(m,2H),7.26(t,J=6.1Hz,3H),7.11–7.05(m,1H),6.92(d,J=8.3Hz,1H),6.86–6.74(m,3H),6.68(dd,J=6.8,2.6Hz,1H),6.60(d,J=2.7Hz,1H),6.20(s,1H),4.11(qd,J=7.0,4.8Hz,2H),1.44(t,J=7.0Hz,3H).13C NMR(126MHz,CDCl3)δ146.75,145.71,143.15,142.85,136.59,129.27,129.21,128.25,126.24,124.60,123.13,122.18,119.64,118.45,118.40,109.75,103.73,99.24,64.53,43.48,14.89.[α]D 30=29(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:IA column at254nm(n-hexane/i-PrOH=80/20),1.0mL/min;Major enantiomer:tR=29.9min,minor enantiomer:tR=59.3min.HRMS(ESI)calcd for C23H21NO3Na m/z[M+Na]+:382.1414,found:382.1408.
反应实施例3:
Figure BDA0002349578800000111
与反应实施例1不同之处在于:所用的底物取代苯酚为5-甲氧基-2-苯基(对甲苯磺酰基)甲基)苯酚,其它反应条件及操作步骤与反应实施例1相同(收率:87%,ee:78%)。1H NMR(500MHz,CDCl3)δ8.17(s,1H),7.32(t,J=7.3Hz,2H),7.25(d,J=10.8Hz,3H),7.11(t,J=2.8Hz,1H),6.94(dd,J=8.4,0.9Hz,1H),6.81(dd,J=16.4,8.8Hz,2H),6.56(s,1H),6.44(dd,J=6.5,2.5Hz,2H),5.96(s,1H),3.74(s,3H).13C NMR(126MHz,CDCl3)δ159.63,154.64,146.49,142.32,136.83,130.63,129.28,128.54,126.59,124.19,123.53,122.04,118.35,117.22,106.44,104.40,102.36,98.87,55.28,44.07.[α]D 30=29(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:IA column at254nm(n-hexane/i-PrOH=80/20),1.0mL/min;Major enantiomer:tR=44.1min,minor enantiomer:tR=69.4min.HRMS(ESI)calcd for C22H19NO3Na m/z[M+Na]+:368.1257,found:368.1258.
反应实施例4:
Figure BDA0002349578800000112
与反应实施例1不同之处在于:所用的底物取代苯酚为6-甲氧基-5-溴-2-(苯基(对甲苯磺酰基)甲基)苯酚,其它反应条件及操作步骤与反应实施例1相同(收率:94%,ee:90%)。1H NMR(500MHz,CDCl3)δ8.17(s,1H),7.30(dd,J=8.1,6.6Hz,2H),7.25(d,J=7.3Hz,1H),7.20(d,J=7.0Hz,2H),7.07(t,J=2.8Hz,1H),6.93–6.86(m,2H),6.81–6.73(m,2H),6.56(s,1H),6.20(s,1H),5.31(s,0H),3.80(s,3H).13C NMR(126MHz,CDCl3)δ147.18,146.56,142.49,142.39,136.62,131.62,129.13,128.32,126.37,124.98,124.40,123.29,118.36,117.84,112.45,111.42,103.88,98.97,56.21,43.09.[α]D 30=10(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:IC column at 254nm(n-hexane/i-PrOH=80/20),1.0mL/min;Major enantiomer:tR=28.2min,minor enantiomer:tR=18.7min.HRMS(ESI)calcd for C22H18BrNO3Na m/z[M+Na]+:446.0362,found:446.0358.
反应实施例5:
Figure BDA0002349578800000121
与反应实施例1不同之处在于:所用的底物取代苯酚为2-苯基(对甲苯磺酰基)甲基苯酚,其它反应条件及操作步骤与反应实施例1相同(收率:75%,ee:60%)。1H NMR(600MHz,CDCl3)δ8.19(s,1H),7.33(d,J=7.5Hz,2H),7.28(d,J=3.5Hz,2H),7.26–7.24(m,2H),7.17(td,J=7.6,1.8Hz,2H),6.96(dd,J=10.3,8.1Hz,2H),6.90–6.86(m,2H),6.81(d,J=8.4Hz,1H),6.07(s,1H),5.56(s,1H),5.41(s,1H).13C NMR(151MHz,CDCl3)δ153.69,146.49,142.20,136.82,130.13,129.37,129.35,128.53,128.00,126.62,124.27,123.55,120.94,118.32,117.09,116.28,104.42,98.85,44.27.[α]D 30=7(c=1.0inCH3OH).立体选择性通过手性HPLC分析,具体条件:IA column at216nm(n-hexane/i-PrOH=80/20),1.0mL/min;Major enantiomer:tR=40.7min,minor enantiomer:tR=30.6min.HRMS(ESI)calcd for C21H17NO2Na m/z[M+Na]+:338.1151,found:338.1152.
反应实施例6:
Figure BDA0002349578800000131
与反应实施例1不同之处在于:所用的底物取代苯酚为6-甲氧基-2-(3-甲苯基(对甲苯磺酰基)甲基)苯酚,其它反应条件及操作步骤与反应实施例1相同(收率:91%,ee:99%)。1H NM R(500MHz,CDCl3)δ8.13(s,1H),7.21(t,J=7.6Hz,1H),7.14–6.98(m,4H),6.91(d,J=8.4Hz,1H),6.84–6.75(m,3H),6.69(dd,J=7.0,2.4Hz,1H),6.63–6.56(m,1H),6.16(s,1H),5.94(s,1H),5.62(s,1H),3.88(s,3H),2.31(s,3H).13C NMR(126MHz,CDCl3)δ146.71,146.40,143.04,142.74,137.86,136.60,130.01,129.30,128.16,127.13,126.25,124.58,123.11,122.39,119.60,118.41,108.89,103.69,99.95,99.20,55.99,43.39,21.50.[α]D 30=13(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:IC columnat 300nm(n-hexane/i-PrOH=90/10),1.0mL/min;Major enantiomer:tR=60.2min,minorenantiomer:tR=68.9min.HRMS(ESI)calcd for C23H21NO3Na m/z[M+Na]+:382.1414,found:382.1421.
反应实施例7:
Figure BDA0002349578800000141
与反应实施例1不同之处在于:所用的底物取代苯酚为6-甲氧基-2-(4-甲苯基(对甲苯磺酰基)甲基)苯酚,其它反应条件及操作步骤与反应实施例1相同(收率:85%,ee:97%)。1H NMR(500MHz,CDCl3)δ8.12(s,1H),7.14(d,J=1.8Hz,4H),7.09–7.06(m,1H),6.90(d,J=8.4Hz,1H),6.83–6.77(m,3H),6.69(dd,J=7.0,2.3Hz,1H),6.62–6.57(m,1H),6.16(s,1H),5.95(s,1H),5.64(s,1H),3.88(s,3H),2.36(s,3H).13C NMR(126MHz,CDCl3)δ146.70,146.40,143.03,139.70,136.59,135.76,129.40,129.10,129.03,124.52,123.11,122.31,119.60,118.41,108.88,103.68,99.94,99.17,55.98,43.10,21.02.[α]D 30=21(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:IC column at 300nm(n-hexane/i-PrOH=80/20),1.0mL/min;Major enantiomer:tR=17.0min,minorenantiomer:tR=22.9min.HRMS(ESI)calcd for C23H21NO3Na m/z[M+Na]+:382.1414,found:382.1416.
反应实施例8:
Figure BDA0002349578800000151
与反应实施例1不同之处在于:所用的底物取代苯酚为6-甲氧基-2-(3-甲氧苯基(对甲苯磺酰基)甲基)苯酚,其它反应条件及操作步骤与反应实施例1相同(收率:84%,ee:97%)。δ1H NMR(500MHz,DMSO-d6)δ8.84(s,1H),8.32(s,1H),7.17–7.08(m,2H),6.82–6.73(m,2H),6.70(dd,J=8.1,2.6Hz,1H),6.65–6.55(m,3H),6.53–6.45(m,2H),6.36(dd,J=7.8,1.5Hz,1H),6.21(s,1H),3.77(s,3H),3.64(s,3H).13C NMR(126MHz,CD3OD)δ146.33,134.17,133.94,133.47,130.74,123.81,118.28,115.08,110.79,109.52,109.25,108.61,105.40,105.31,105.00,101.84,97.31,95.70,89.37,84.75,42.05,40.99,29.48.[α]D 30=26(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:IC column at 300nm(n-hexane/i-PrOH=90/10),1.0mL/min;Major enantiomer:tR=51.4min,minorenantiomer:tR=47.8min.HRMS(ESI)calcd for C23H21NO4Na m/z[M+Na]+:398.1363,found:398.1366.
反应实施例9:
Figure BDA0002349578800000152
与反应实施例1不同之处在于:所用的底物取代苯酚为6-甲氧基-2-(3-三氟甲氧苯基(对甲苯磺酰基)甲基)苯酚,其它反应条件及操作步骤与反应实施例1相同(收率:93%,ee:98%)。1H NMR(500MHz,CDCl3)δ8.18(s,1H),7.30(t,J=7.9Hz,1H),7.19–7.14(m,1H),7.10(d,J=5.5Hz,3H),6.92(dd,J=8.5,0.9Hz,1H),6.84–6.74(m,3H),6.65(dd,J=7.3,2.1Hz,1H),6.61–6.56(m,1H),6.25(s,1H),6.00(s,1H),5.77(s,1H),3.88(s,3H).13CNMR(126MHz,CDCl3)δ149.27,146.57,146.46,145.80,143.02,136.62,129.23,128.76,127.69,124.25,123.30,122.08,121.93,120.47(q,J=257.17Hz),119.80,118.36,118.30,117.80,109.10,103.96,99.02,56.00,42.73.[α]D 30=17(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:IA column at276nm(n-hexane/i-PrOH=80/20),1.0mL/min;Major enantiomer:tR=29.5min,minor enantiomer:tR=53.9min.HRMS(ESI)calcd for C23H18F3NO4Na m/z[M+Na]+:452.1080,found:452.1086.
反应实施例10:
Figure BDA0002349578800000161
与反应实施例1不同之处在于:所用的底物取代苯酚为6-甲氧基-2-(4-三氟甲氧苯基(对甲苯磺酰基)甲基)苯酚,其它反应条件及操作步骤与反应实施例1相同(收率:93%,ee:98%)。1H NMR(500MHz,CDCl3)δ8.22(s,1H),7.27–7.20(m,2H),7.17–7.06(m,3H),6.95–6.88(m,1H),6.79(ddd,J=16.4,14.6,8.2Hz,3H),6.64(dd,J=7.0,2.1Hz,1H),6.59(s,1H),6.23(s,1H),5.99(s,1H),5.77(s,1H),3.88(s,3H).13C NMR(126MHz,CDCl3)δ147.51,146.55,146.47,143.03,141.88,136.62,130.53,129.06,124.29,123.30,122.13,120.50,119.73,118.37,118.02,109.04,103.88,99.00,55.99,42.49.[α]D 30=15(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:IA column at 300nm(n-hexane/i-PrOH=80/20),1.0mL/min;Major enantiomer:tR=25.6min,minor enantiomer:tR=38.8min.HRMS(ESI)calcd for C23H18F3NO4Na m/z[M+Na]+:452.1080,found:452.1086.
反应实施例11:
Figure BDA0002349578800000171
与反应实施例1不同之处在于:所用的底物取代苯酚为6-甲氧基-2-(4-氟苯基(对甲苯磺酰基)甲基)苯酚,其它反应条件及操作步骤与反应实施例1相同(收率:87%,ee:96%)。1H NMR(500MHz,CDCl3)δ8.11(s,1H),7.22–7.17(m,2H),7.09(dd,J=3.3,2.4Hz,1H),7.02–6.96(m,2H),6.92(dd,J=8.4,0.9Hz,1H),6.82–6.75(m,3H),6.65(dd,J=7.0,2.3Hz,1H),6.61–6.56(m,1H),6.18(s,1H),5.77(s,1H),3.88(s,3H).13C NMR(126MHz,CDCl3)δ161.39(d,J=244.82),146.54,146.45,143.00,138.59(d,J=3.28),136.59,138.59,130.69(d,J=7.56)129.23,124.36,123.27,122.14,119.73,114.95(d,J=21.29),109.01,103.84,99.09,56.01,42.53.[α]D 30=26(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:ID column at 300nm(n-hexane/i-PrOH=80/20),1.0mL/min;Major enantiomer:tR=19.1min,minor enantiomer:tR=31.5min.HRMS(ESI)calcd forC22H18FN2O3Na m/z[M+Na]+:386.1163,found:386.1161.
反应实施例12:
Figure BDA0002349578800000181
与反应实施例1不同之处在于:所用的底物取代苯酚为6-甲氧基-2-(4-氯苯基(对甲苯磺酰基)甲基)苯酚,其它反应条件及操作步骤与反应实施例1相同(收率:91%,ee:99%)。1H NMR(500MHz,CDCl3)δ8.39(s,1H),7.26–7.22(m,2H),7.16–7.11(m,2H),7.07(dd,J=3.3,2.4Hz,1H),6.89(dd,J=8.5,1.0Hz,1H),6.78(d,J=6.2Hz,2H),6.73(d,J=8.5Hz,1H),6.63–6.57(m,2H),6.20(s,1H),6.16(s,1H),4.86(s,1H),3.86(s,3H).13C NMR(126MHz,CDCl3)δ146.50,146.49,143.02,141.94,136.60,131.69,130.59,129.31,129.23,128.15,124.26,123.30,122.16,119.57,118.35,118.00,109.02,103.75,98.89,55.97,42.47.[α]D 30=-24(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:IAcolumn at 210nm(n-hexane/i-PrOH=80/20),1.0mL/min;Major enantiomer:tR=36.3min,minor enantiomer:tR=61.9min.HRMS(ESI)calcd for C22H18ClNO3Na m/z[M+Na]+:402.0867,found:402.0867.
反应实施例13:
Figure BDA0002349578800000191
与反应实施例1不同之处在于:所用的底物取代苯酚为6-甲氧基-2-(2-三氟苯基(对甲苯磺酰基)甲基)苯酚,其它反应条件及操作步骤与反应实施例1相同(收率:95%,ee:99%)。1H NMR(500MHz,CDCl3)δ8.16(s,1H),7.72(dd,J=7.9,1.4Hz,1H),7.43(td,J=7.6,1.4Hz,1H),7.37–7.29(m,2H),7.07(t,J=2.8Hz,1H),6.88(d,J=8.4Hz,1H),6.83–6.74(m,2H),6.64(d,J=8.4Hz,1H),6.59(s,1H),6.56–6.52(m,1H),6.45(dd,J=7.8,1.5Hz,1H),5.80(s,1H),5.31(s,1H),3.86(s,3H).13C NMR(126MHz,CDCl3)δ146.53,146.08,143.20,142.00,136.73,131.71,131.41,128.99,128.79(q,J=29.9Hz),126.37,126.26(q,J=6.0Hz),124.60(q,J=274.8Hz),124.08,123.30,121.88,119.03,118.28,117.84,109.22,103.42,98.74,77.28,55.96,39.99.[α]D 30=-4(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:IA column at 254nm(n-hexane/i-PrOH=80/20),1.0mL/min;Major enantiomer:tR=36.0min,minor enantiomer:tR=61.6min.99%ee.HRMS(ESI)calcd for C23H18F3NO3Na m/z[M+Na]+:436.1131,found:436.1134.
反应实施例14:
Figure BDA0002349578800000201
与反应实施例1不同之处在于:所用的底物取代苯酚为6-甲氧基-2-(3-三氟苯基(对甲苯磺酰基)甲基)苯酚,其它反应条件及操作步骤与反应实施例1相同(收率:92%,ee:98%)。1H NMR(500MHz,CDCl3)δ8.14(s,1H),7.57–7.47(m,2H),7.43–7.37(m,2H),7.07(t,J=2.8Hz,1H),6.91(dd,J=8.5,0.9Hz,1H),6.84–6.73(m,3H),6.64(dd,J=7.5,1.9Hz,1H),6.58(d,J=2.6Hz,1H),6.30(s,1H),4.80(s,2H),3.85(s,3H).13C NMR(126MHz,CDCl3)δ146.59,146.54,144.35,143.07,136.61,132.69,130.35(q,J=32.1Hz),128.83,125.95(q,J=3.7Hz),124.31(q,J=272.4Hz),124.24,123.35,122.98(q,J=3.9Hz),122.08,119.82,118.39,117.83,109.15,103.99,98.98,55.97,42.84.[α]D 30=30(c=1.0inCH3OH).立体选择性通过手性HPLC分析,具体条件:IA column at 254nm(n-hexane/i-PrOH=80/20),1.0mL/min;Major enantiomer:tR=31.8min,minor enantiomer:tR=61.5min.HRMS(ESI)calcd for C23H18F3NO3Na m/z[M+Na]+:436.1131,found:436.1133.
反应实施例15:
Figure BDA0002349578800000211
与反应实施例1不同之处在于:所用的底物取代苯酚为6-甲氧基-2-(4-三氟苯基(对甲苯磺酰基)甲基)苯酚,其它反应条件及操作步骤与反应实施例1相同(收率:90%,ee:98%)。1H NMR(500MHz,CDCl3)δ8.15(s,1H),7.55(d,J=8.2Hz,2H),7.34(d,J=8.2Hz,2H),7.10(dd,J=3.3,2.4Hz,1H),6.93(dd,J=8.5,1.0Hz,1H),6.86–6.79(m,2H),6.75(d,J=8.4Hz,1H),6.64(dd,J=6.8,2.5Hz,1H),6.58(p,J=1.0Hz,1H),6.29(s,1H),5.69(s,1H),3.88(s,3H).13C NMR(126MHz,CDCl3)δ147.52,146.51,146.50,143.05,136.63,129.56,128.69,128.29(q,J=32.2Hz),125.02(q,J=3.7Hz,2C),124.38(q,J=272.0Hz),124.34,123.40,122.15,119.80,118.35,117.77,109.16,103.99,98.93,56.00,43.02.[α]D 30=26(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:IA column at 300nm(n-hexane/i-PrOH=80/20),1.0mL/min;Major enantiomer:tR=25.5min,minorenantiomer:tR=33.5min.HRMS(ESI)calcd for C23H18F3NO3Na m/z[M+Na]+:436.1131,found:436.1130.
反应实施例16:
Figure BDA0002349578800000221
与反应实施例1不同之处在于:所用的底物取代苯酚为6-甲氧基-2-(4-苯苯基(对甲苯磺酰基)甲基)苯酚,其它反应条件及操作步骤与反应实施例1相同(收率:91%,ee:97%)。1H NMR(600MHz,CDCl3)δ8.17(s,1H),7.65–7.61(m,2H),7.56(d,J=8.2Hz,2H),7.46(t,J=7.7Hz,2H),7.35(dd,J=18.2,7.6Hz,3H),7.10(t,J=2.8Hz,1H),6.94(d,J=8.4Hz,1H),6.85(dd,J=16.9,8.2Hz,2H),6.81(dd,J=8.1,1.9Hz,1H),6.75(dd,J=7.5,1.8Hz,1H),6.62(d,J=2.7Hz,1H),6.27(s,1H),6.01(s,1H),5.74(s,1H),3.90(s,3H).13CNMR(151MHz,CDCl3)δ146.72,146.49,143.11,142.13,141.01,139.05,136.66,129.71,129.32,128.72,127.07,127.05,127.00,124.57,123.26,122.38,119.74,118.46,118.35,109.00,103.85,99.17,56.04,43.03.[α]D 30=46(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:IC column at300nm(n-hexane/i-PrOH=80/20),1.0mL/min;Majorenantiomer:tR=17.6min,minor enantiomer:tR=23.0min.HRMS(ESI)calcd forC28H23NO3Na m/z[M+Na]+:444.1570,found:444.1571.
反应实施例17:
Figure BDA0002349578800000231
与反应实施例1不同之处在于:所用的底物取代苯酚为6-甲氧基-2-(1-萘基(对甲苯磺酰基)甲基)苯酚,其它反应条件及操作步骤与反应实施例1相同(收率:90%,ee:98%)。1H NMR(600MHz,CDCl3)δ8.14(s,1H),8.07(d,J=8.4Hz,1H),7.87(d,J=7.9Hz,1H),7.78(d,J=8.2Hz,1H),7.44(ddd,J=8.0,6.8,1.2Hz,1H),7.41–7.35(m,2H),7.17(d,J=7.1Hz,1H),7.08(dd,J=3.3,2.4Hz,1H),6.88(s,1H),6.85(dd,J=8.4,0.9Hz,1H),6.80(dd,J=8.1,1.5Hz,1H),6.75(t,J=8.0Hz,1H),6.71(d,J=8.4Hz,1H),6.62–6.54(m,2H),5.89(s,1H),5.39(s,1H),3.89(s,3H).13C NMR(151MHz,CDCl3)δ146.50,146.37,143.09,139.10,136.73,134.06,132.09,129.17,128.58,127.40,126.36,126.10,125.44,125.28,124.69,124.59,123.21,122.73,119.43,118.32,118.00,109.04,103.77,98.91,55.99,40.14.[α]D 33=39(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:IC columnat300nm(n-hexane/i-PrOH=80/20),1.0mL/min;Major enantiomer:tR=38.6min,minorenantiomer:tR=55.9min.HRMS(ESI)calcd for C26H21NO3Na m/z[M+Na]+:418.1414,found:418.1421.
反应实施例18:
Figure BDA0002349578800000241
与反应实施例1不同之处在于:所用的底物取代苯酚为6-甲氧基-2-(2-萘基(对甲苯磺酰基)甲基)苯酚,其它反应条件及操作步骤与反应实施例1相同(收率:76%,ee:98%)。1H NMR(600MHz,CDCl3)δ8.15(s,1H),7.85–7.77(m,2H),7.74–7.70(m,1H),7.61(d,J=1.7Hz,1H),7.47–7.40(m,3H),7.12(t,J=2.8Hz,1H),6.93(dd,J=8.4,1.0Hz,1H),6.84–6.79(m,3H),6.72(dd,J=5.6,3.7Hz,1H),6.61(ddd,J=3.2,2.1,0.9Hz,1H),6.35(s,1H),5.96(s,1H),5.65(s,1H),3.91(s,3H).13C NMR(151MHz,CDCl3)δ146.81,146.48,143.14,140.54,136.67,133.42,132.25,129.10,128.25,127.93,127.86,127.54,127.26,125.83,125.48,124.72,123.17,122.51,119.71,118.44,118.22,109.01,103.79,99.25,56.04,43.44.[α]D 30=57(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:ICcolumn at 296nm(n-hexane/i-PrOH=90/10),1.0mL/min;Major enantiomer:tR=19.7min,minor enantiomer:tR=27.9min.HRMS(ESI)calcd for C26H21NO3Na m/z[M+Na]+:418.1414,found:418.1412.
反应实施例19:
Figure BDA0002349578800000251
与反应实施例1不同之处在于:所用的底物取代苯酚为6-甲氧基-2-(2-呋喃基(对甲苯磺酰基)甲基)苯酚,其它反应条件及操作步骤与反应实施例1相同(收率:78%,ee:94%)。1H NMR(600MHz,CDCl3)δ8.12(s,1H),7.43(d,J=1.9Hz,1H),7.08(t,J=2.8Hz,1H),7.00–6.92(m,2H),6.88–6.82(m,2H),6.77(dd,J=7.5,2.0Hz,1H),6.67–6.60(m,1H),6.36(dd,J=3.0,1.9Hz,1H),6.23(s,1H),6.16(s,1H),6.15–6.08(m,2H),3.86(d,J=1.2Hz,3H).13C NMR(151MHz,CDCl3)δ155.94,146.56,146.39,142.32,141.93,136.69,127.72,123.52,123.19,121.41,120.10,118.62,116.52,110.06,109.14,108.37,104.08,99.45,56.04,37.57.[α]D 30=-8(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:IDcolumn at 288nm(n-hexane/i-PrOH=80/20),1.0mL/min;Major enantiomer:tR=30.0min,minor enantiomer:tR=47.1min.HRMS(ESI)calcd for C20H17F3NO4Na m/z[M+Na]+:358.1050,found:358.1051.
反应实施例20:
Figure BDA0002349578800000252
与反应实施例1不同之处在于:所用的底物取代苯酚为6-甲氧基-2-(2-噻吩基(对甲苯磺酰基)甲基)苯酚,其它反应条件及操作步骤与反应实施例1相同(收率:85%,ee:91%)。1H NMR(600MHz,CDCl3)δ8.12(s,1H),7.24(dd,J=5.1,1.2Hz,1H),7.09(t,J=2.9Hz,1H),7.02(d,J=8.4Hz,1H),6.97(dd,J=5.1,3.5Hz,1H),6.95–6.90(m,2H),6.86–6.83(m,2H),6.79(dd,J=8.1,1.5Hz,1H),6.64–6.59(m,1H),6.40(s,1H),6.07(s,1H),6.00(s,1H),3.88(s,3H).13C NMR(151MHz,CDCl3)δ147.46,146.49,146.33,142.45,136.70,129.57,126.52,126.49,124.50,123.79,123.27,121.61,119.93,118.64,118.47,109.14,103.97,99.37,56.05,38.56.[α]D 30=-9(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:ID column at 300nm(n-hexane/i-PrOH=80/20),1.0mL/min;Majorenantiomer:tR=29.7min,minor enantiomer:tR=53.2min.HRMS(ESI)calcd forC20H17NO3SNa m/z[M+Na]+:374.0821,found:374.0830.
反应实施例21:
Figure BDA0002349578800000261
与反应实施例1不同之处在于:所用的底物吲哚为5-羟基吲哚,其它反应条件及操作步骤与反应实施例1相同(收率:63%,ee:93%)。1H NMR(500MHz,Chloroform-d)δ8.03(s,1H),7.33–7.29(m,2H),7.28–7.25(m,3H),7.19(dd,J=8.6,1.0Hz,1H),7.04(t,J=2.9Hz,1H),6.88(dd,J=6.4,3.0Hz,1H),6.84–6.79(m,3H),6.38(s,1H),6.23(ddd,J=3.2,2.0,0.9Hz,1H),6.00(s,1H),5.27(s,1H),3.88(s,3H).13C NMR(126MHz,CDCl3)δ148.00,146.45,143.36,141.67,131.26,128.75,128.52,128.44,127.95,126.49,124.28,122.36,119.93,118.93,113.79,110.65,109.21,101.86,56.01,43.49.[α]D 30=65(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:IC column at 300nm(n-hexane/i-PrOH=90/10),1.0mL/min;Major enantiomer:tR=41.3min,minor enantiomer:tR=36.7min.HRMS(ESI)calcd for C22H19NO3Na m/z[M+Na]+:368.1257,found:368.1260.
反应实施例22:
Figure BDA0002349578800000271
与反应实施例1不同之处在于:所用的底物取代苯酚为6-甲氧基-2-(3-甲苯基(对甲苯磺酰基)甲基)苯酚,底物吲哚为5-羟基吲哚,其它反应条件及操作步骤与反应实施例1相同(收率:78%,ee:93%)。1H NMR(500MHz,CDCl3)δ8.04(s,1H),7.22–7.15(m,2H),7.11–7.03(m,4H),6.87(dd,J=5.9,3.5Hz,1H),6.83–6.79(m,3H),6.34(s,1H),6.30–6.26(m,1H),5.98(s,1H),5.23(s,1H),3.88(s,3H),2.28(s,3H).13C NMR(126MHz,CDCl3)δ148.07,146.42,143.35,141.60,138.25,131.16,129.45,128.53,128.49,127.95,127.45,125.65,124.29,122.37,119.86,118.95,113.80,110.63,109.18,101.74,77.28,55.99,43.55,21.52.[α]D 30=71(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:ID columnat 324nm(n-hexane/i-PrOH=80/20),1.0mL/min;Major enantiomer:tR=14.6min,minorenantiomer:tR=27.7min.HRMS(ESI)calcd for C23H21NO3Na m/z[M+Na]+:382.1414,found:382.1415.
反应实施例23:
Figure BDA0002349578800000281
与反应实施例1不同之处在于:所用的底物取代苯酚为6-甲氧基-2-(3-氯苯基(对甲苯磺酰基)甲基)苯酚,底物吲哚为5-羟基吲哚,其它反应条件及操作步骤与反应实施例1相同(收率:75%,ee:92%)。1H NMR(500MHz,CDCl3)δ8.09(s,1H),7.27–7.23(m,2H),7.18(dd,J=2.5,0.9Hz,2H),7.17–7.16(m,1H),7.03(t,J=2.9Hz,1H),6.85(dd,J=6.6,2.9Hz,1H),6.83–6.79(m,3H),6.33(s,1H),6.14(ddd,J=3.2,2.1,0.9Hz,1H),6.09(s,1H),5.42(d,J=32.1Hz,1H),3.87(s,3H).13C NMR(126MHz,CDCl3)δ147.74,146.50,143.32,140.41,132.03,131.40,130.23,128.40,128.18,127.73,124.41,122.20,120.00,118.59,113.65,110.77,109.33,101.88,56.02,42.79.[α]D 30=77(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:ID column at 320nm(n-hexane/i-PrOH=80/20),1.0mL/min;Major enantiomer:tR=12.8min,minor enantiomer:tR=20.2min.HRMS(ESI)calcd for C22H18ClNO3Na m/z[M+Na]+:402.0867,found:402.0869.
反应实施例24:
Figure BDA0002349578800000291
与反应实施例1不同之处在于:所用的底物吲哚为7-羟基吲哚,其它反应条件及操作步骤与反应实施例1相同(收率:89%,ee:86%)。1H NMR(500MHz,CDCl3)δ8.42(s,1H),7.36–7.29(m,2H),7.27(dd,J=8.0,2.2Hz,3H),7.20–7.09(m,2H),6.85–6.78(m,2H),6.77–6.71(m,2H),6.49(t,J=2.6Hz,1H),6.14(s,1H),6.06(s,1H),5.88(s,1H),3.89(s,3H).13C NMR(126MHz,CDCl3)δ146.42,142.83,142.18,139.84,129.20,128.90,128.54,128.34,127.06,126.44,124.00,122.28,121.96,120.95,120.06,113.06,109.05,102.62,56.04,43.64.[α]D 30=13(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:IDcolumn at 292nm(n-hexane/i-PrOH=80/20),1.0mL/min;Major enantiomer:tR=18.7min,minor enantiomer:tR=21.5min.HRMS(ESI)calcd for C22H19NO3Na m/z[M+Na]+:368.1257,found:368.1258.
反应实施例25:
Figure BDA0002349578800000292
与反应实施例1不同之处在于:所用的底物取代苯酚为6-甲氧基-2-(2-乙基苯基(对甲苯磺酰基)甲基)苯酚,底物吲哚为7-羟基吲哚,其它反应条件及操作步骤与反应实施例1相同(收率:65%,ee:92%)。1H NMR(500MHz,CDCl3)8.40(s,1H),7.29–7.23(m,3H),7.16–7.10(m,3H),7.04–7.01(m,1H),6.83–6.76(m,2H),6.59–6.54(m,2H),6.48(dd,J=3.1,2.1Hz,1H),6.25(s,1H),5.90(s,1H),5.34(s,1H),3.89(s,3H),2.62(qd,J=7.4,4.8Hz,2H),1.16(t,J=7.5Hz,3H).3C NMR(126MHz,CDCl3)δ146.48,143.17,142.92,139.89,139.57,128.79,128.74,128.73,128.55,127.04,127.02,125.86,124.02,122.50,121.91,120.65,119.60,112.94,109.24,102.60,56.02,40.74,25.43,14.62.[α]D 30=30(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:ID column at 288nm(n-hexane/i-PrOH=80/20),1.0mL/min;Major enantiomer:tR=16.5min,minorenantiomer:tR=13.9min.HRMS(ESI)calcd for C24H23NO3Na m/z[M+Na]+:396.1570,found:396.1572.
反应实施例26:
Figure BDA0002349578800000301
与反应实施例1不同之处在于:所用的底物取代苯酚为6-甲氧基-2-(2-三氟甲基苯基(对甲苯磺酰基)甲基)苯酚,底物吲哚为7-羟基吲哚,其它反应条件及操作步骤与反应实施例1相同(收率:78%,ee:88%)。1H NMR(500MHz,CDCl3)δ8.52(s,1H),7.73(dd,J=7.8,1.6Hz,1H),7.48–7.43(m,1H),7.39–7.32(m,2H),7.19–7.08(m,2H),6.82(dd,J=8.1,1.6Hz,1H),6.78(t,J=7.9Hz,1H),6.56(d,J=8.3Hz,1H),6.53(s,1H),6.49–6.43(m,2H),5.90(s,1H),5.69(s,1H),3.86(s,3H).13C NMR(126MHz,CDCl3)δ146.59,143.16,141.30,139.09,131.89,131.62,128.89,128.69(q,J=29.7Hz),128.37,126.98,126.64,126.31(q,J=6.1Hz),124.62(q,J=274.6Hz),124.26,121.76,121.45,120.58,119.32,112.84,109.47,102.57,55.99,40.21.[α]D 30=39(c=1.0in CH3OH).立体选择性通过手性HPLC分析,具体条件:ID column at 292nm(n-hexane/i-PrOH=80/20),1.0mL/min;Majorenantiomer:tR=17.1min,minor enantiomer:tR=14.3min.HRMS(ESI)calcd forC23H18FNO3Na m/z[M+Na]+:436.1131,found:436.1134.
反应实施例27:
Figure BDA0002349578800000311
与反应实施例1不同之处在于:所用的底物取代苯酚为6-甲氧基-2-(苯基(对甲苯磺酰基)甲基)苯酚,另一底物为4-羟基咔唑,其它反应条件及操作步骤与反应实施例1相同(收率:75%,ee:96%)。1H NMR(500MHz,CDCl3)δ8.30(d,J=7.8Hz,1H),7.97(s,1H),7.39–7.32(m,4H),7.32–7.27(m,3H),7.23(ddd,J=8.1,6.8,1.3Hz,1H),7.00(d,J=8.3Hz,1H),6.90(d,J=8.3Hz,1H),6.85–6.78(m,2H),6.74(dd,J=7.5,1.8Hz,1H),6.21(s,1H),6.04(s,2H),3.88(s,3H).13C NMR(126MHz,CDCl3)δ150.14,146.48,142.99,142.20,140.24,139.24,129.27,128.56,128.43,127.91,126.53,124.90,122.90,122.66,122.23,119.95,119.45,119.33,112.68,109.95,109.12,102.86,55.99,43.48.[α]D 30=29(c=1.0inCH3OH).立体选择性通过手性HPLC分析,具体条件:ID column at 300nm(n-hexane/i-PrOH=80/20),1.0mL/min;Major enantiomer:tR=20.1min,minor enantiomer:tR=23.2min.HRMS(ESI)calcd for C26H26N2O3Na m/z[M+Na]+:418.1414,found:418.1415.

Claims (5)

1.一种手性二芳基吲哚甲烷类化合物的制备方法,其特征在于:所述的方法按照如下步骤进行:
在氮气氛围下,水油两相体系中,式(1)所示的2-(芳基(对甲苯磺酰基)甲基)苯酚和式(2)所示的羟基吲哚在缚酸剂和手性双功能催化剂的共同作用下,在20~30℃下反应1-48h,得到的反应液经后处理制得式(3)所示的手性二芳基吲哚甲烷类化合物;所述的式(1)所示2-(芳基(对甲苯磺酰基)甲基)苯酚与式(2)所示羟基吲哚、缚酸剂的物质的量之比为0.2~5:1:0.5~20;所述的手性双功能催化剂与式(1)所示2-(芳基(对甲苯磺酰基)甲基)苯酚的物质的量之比为0.01~100:100;所述的缚酸剂为无机碱;
Figure FDA0003012335050000011
式(1)、(3)中:
R1为H、甲氧基,乙氧基或卤素;
R2为呋喃基、噻吩基、萘基、苯基或者被一个或多个取代基取代的苯基,所述的取代基各自独立为甲基、苯基、甲氧基、三氟甲基、三氟甲氧基或卤素;
所述的手性双功能催化剂选自下列之一:
Figure FDA0003012335050000021
所述的水油两相体系由水与有机溶剂以体积比1:0.05~10混合形成;所述的有机溶剂选自二氯甲烷、氯仿、1,2-二氯乙烷。
2.如权利要求1所述的制备方法,其特征在于:所述的式(1)所示2-(芳基(对甲苯磺酰基)甲基)苯酚与式(2)所示羟基吲哚、缚酸剂的物质的量之比为0.5~2:1:1~10。
3.如权利要求1所述的制备方法,其特征在于:所述的手性双功能催化剂与式(1)所示2-(芳基(对甲苯磺酰基)甲基)苯酚的物质的量之比为0.1~20:100。
4.如权利要求1所述的制备方法,其特征在于:所述的缚酸剂为碳酸钠、碳酸钾、碳酸铯、碳酸氢钠、碳酸氢钾、氢氧化钠、氢氧化钾或磷酸氢二钠。
5.如权利要求1所述的制备方法,其特征在于:所述反应液的后处理方法为:将反应液分液,取有机相减压浓缩后进行硅胶柱层析分离,以石油醚/乙酸乙酯体积比1~30:1的混合液为洗脱剂进行梯度洗脱,收集含目标化合物的洗脱液,蒸除溶剂并干燥,得到产物式(3)所示的手性二芳基吲哚甲烷类化合物。
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