CN113149868B - 一种三价铑催化合成轴手性联烯化合物的方法 - Google Patents
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Abstract
本发明公开了一种三价铑催化合成轴手性联烯化合物的方法,采用易于制备、催化活性高、位点选择可控的[CpXRh(III)]作催化剂,以N‑甲氧基苯甲酰胺类化合物和丙炔醇类化合物为原料,在手性羧酸锌盐的促进下得到四取代轴手性联烯化合物。本发明操作简单,原料稳定且易于制备,反应条件温和,底物适用范围广。以往利用三价铑催化合成轴手性联烯,大多数要求使用光学纯的丙炔醇底物,通过手性转移策略实现目标产物转化;本发明克服了以上缺点,以消旋的丙炔醇为原料即可实现轴手性联烯化合物的合成,并且产率极高、对映选择性好(高达95%)。
Description
技术领域
本发明涉及一种三价铑催化合成轴手性联烯化合物的方法。
背景技术
联烯化合物广泛存在于天然产物、药物分子、材料分子中,迄今为止,人们已经在150种以上天然产物和药物中发现了联烯结构。由于自身独特的骨架结构,联烯化合物还可以作为重要的有机合成中间体参与到有机转化(如碳金属化、核金属化,亲电加成,亲核加成和自由基加成)中(Acc.Chem.Res.2019,52,1301)。因此,化学家们为开发简单的联烯合成方法做出了巨大努力,特别是具有光学纯的联烯化合物。
过渡金属催化C-H键活化作为一种高效、简洁的合成方法,在过去十多年中取得了迅猛的发展。三价铑催化体系由于具有催化剂易于制备、催化活性高、位点选择性可控、底物及官能团容忍性好等特点而引起了科研界的广泛关注。近年来,随着手性环戊二烯配体的发展,三价铑在不对称催化领域的研究越来越深入。
三铑催化不对称C-H键活化构建手性分子有多种策略,如烯基化、去对称化、环化等;然而以动力学拆分的方式合成手性分子的报道并不常见。仅有的两篇报道都局限于芳烃底物的拆分(Angew.Chem.Int.Ed.2020,59,13288;Chem.Sci.,2018,9,2981);将[CpXRh(III)]与动力学拆分策略相结合,实现偶联试剂的拆分仍是有机合成领域的一片空白。另一方面,目前通过手性铑催化合成轴手性分子仍局限于联芳类化合物的合成,轴手性联烯的不对称合成依然是一个巨大挑战。
2015年,麻生明课题组利用[Cp*Rh(III)]催化C-H键活化策略成功构建了四取代的联烯骨架(Angew.Chem.Int.Ed.2019,58,8902)。当使用手性的炔丙醇碳酸酯参与反应时,产物的构型可以很好保持。我们设想,如果采用动力学拆分的方式,有很大的希望直接通过消旋的炔丙醇底物合成轴手性联烯化合物。
因此,为了进一步拓宽[CpXRh(III)]在轴手性构建方面的应用,我们拟选用手性铑催化N-甲氧基苯甲酰胺和炔丙醇反应,通过偶联组分的动力学拆分实现立体专一的轴手性联烯化合物的合成。
发明内容
本发明的目的是提供一种以[CpXRh(III)]作催化剂,在温和、简单条件下以高收率和对映选择性合成四取代轴手性联烯化合物的方法。
针对上述目的,本发明所采用的技术方案是:将式I所示的N-甲氧基苯甲酰胺类化合物、式II所示的炔丙醇类化合物、三价铑催化剂[CpXRh(III)]、手性羧酸锌Zn1加入有机溶剂中,在空气及密闭条件下常温反应,反应完后分离纯化产物,得到式III所示的四取代轴手性联烯化合物;反应方程式如下:
式中R1、R2各自独立的代表H、C1~C4烷基、C1~C4烷氧基、卤素、三氟甲基、苯氧基、芳基、杂芳基中任意一种,R3代表H、C1~C4烷基、卤素中任意一种,R4代表H、C1~C5烷基、金刚烷基、环己基中任意一种。
上述三价铑催化剂[CpXRh(III)]的结构式如下所示:
上述手性羧酸锌Zn1的结构式如下所示:
其合成方法为:将手性酸A和醋酸锌加入氯苯中,所述手性酸A和醋酸锌的摩尔比为2.0~2.1:1,常温搅拌反应20~40分钟后,升温至140~160℃,蒸出反应生成的醋酸,然后将反应液冷却至室温,随后真空旋转蒸发除去氯苯,粗产物中加入戊烷析出白色固体,最后将戊烷旋干得到手性羧酸锌Zn1;反应方程式如下:
上述三价铑催化合成轴手性联烯化合物的方法中,优选N-甲氧基苯甲酰胺类化合物与炔丙醇类化合物的摩尔比为0.4~0.7:1。
上述三价铑催化合成轴手性联烯化合物的方法中,优选三价铑催化剂[CpXRh(III)]的加入量为炔丙醇类化合物摩尔量的1%~5%。
上述三价铑催化合成轴手性联烯化合物的方法中,优选手性羧酸锌Zn1的加入量为炔丙醇类化合物摩尔量的10%~50%。
上述三价铑催化合成轴手性联烯化合物的方法中,优选有机溶剂为1,2-二氯乙烷、二氯甲烷、氯苯、三氟甲苯、丙酮中任意一种。
本发明的有益效果如下:
1、本发明利用动力学拆分策略,以易于制备、催化活性高、位点选择可控的[CpXRh(III)]作催化剂,以N-甲氧基苯甲酰胺类化合物和丙炔醇类化合物为原料,在手性羧酸锌盐的促进下得到四取代轴手性联烯化合物。本发明操作简单,原料稳定且易于制备,反应条件温和,底物适用范围广。
2、以往利用三价铑催化合成轴手性联烯,大多数要求使用光学纯的丙炔醇底物,通过手性转移策略实现目标转化;本发明克服了以上缺点,以消旋的丙炔醇为起始原料即可实现轴手性联烯化合物的合成,并且产率极高、对映选择性好(高达95%)。
3、本发明首次将三价铑催化与偶联试剂的拆分相结合,实现了轴手性联烯化合物的合成,对于进一步研究合成其他手性分子具有重要意义。
具体实施方式
下面结合实施例对本发明进行进一步详细说明,但本发明的保护范围并不仅限于这些实施例。
下面实施例中的手性羧酸锌Zn1的合成方法为:将3.85g(10mol)手性酸A和0.92g(5mol)醋酸锌加入30mL氯苯中,常温搅拌反应30分钟后,升温至150℃,蒸出反应生成的醋酸,然后将反应液冷却至室温,随后真空旋转蒸发除去氯苯,粗产物中加入戊烷析出白色固体,最后将戊烷旋干得到手性羧酸锌Zn1;反应方程式如下:
下面实施例中的三价铑催化剂[CpXRh(III)]根据文献“J.Am.Chem.Soc.2013,135,636”中方法合成。
实施例1
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
在空气氛围下,向耐压管中加入16.6mg(0.11mmol)N-甲氧基苯甲酰胺、52.9mg(0.2mmol)4,4-二甲基-1,3-二苯基戊-1-炔-3-醇、4.6mg(0.004mmol)[CpXRh(III)]、41.7mg(0.05mmol)手性羧酸锌Zn1、3mL1,2-二氯乙烷,拧紧耐压管,常温下搅拌反应24h使N-甲氧基苯甲酰胺基本反应完全,反应结束后,减压条件下旋蒸除去1,2-二氯乙烷得到粗产物,粗产物用硅胶过柱(石油醚:乙酸乙酯=10:1~3:1),得到白色固体产物,其收率为54%(收率以炔丙醇为基准计算),表征数据为:1H NMR(600MHz,CDCl3)δ8.34(s,1H),7.86(d,J=9.1Hz,1H),7.53(t,J=7.4Hz,1H),7.46(t,J=7.5Hz,1H),7.38–7.34(m,3H),7.32–7.28(m,5H),7.23–7.17(m,3H),3.02(s,3H),1.27(s,9H);13C NMR(151MHz,CDCl3)δ201.5,165.6,136.4,136.4,134.6,132.5,131.6,131.2,130.2,129.3,129.0,128.4,128.4,127.6,127.5,126.2,120.5,108.2,63.6,36.1,29.8;HRMS(ESI)理论值C27H27NNaO2+[M+Na]+:420.1934,实测值:420.1933;HPLC:手性柱AD-H(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=8.9min,tr(minor)=7.4min,91%ee.
实施例2
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的4-甲基-N-甲氧基苯甲酰胺替换实施例1中所用的N-甲氧基苯甲酰胺,其他步骤与实施例1相同,得到白色固体,其收率为38%,表征数据为:1H NMR(600MHz,CDCl3)δ8.29(s,1H),7.72(d,J=7.9Hz,1H),7.31–7.29(m,2H),7.25–7.24(m,2H),7.23–7.20(m,4H),7.16–7.15(m,2H),7.14–7.13(d,J=7.3Hz,2H),7.11(s,1H),2.96(s,3H),2.36(s,3H),1.22(s,9H);13C NMR(151MHz,CDCl3)δ201.3,165.7,142.0,136.5,136.4,134.5,131.7,130.4,129.6,129.3,129.1,129.,128.4,127.6,127.4,126.2,120.4,108.3,63.5,36.1,29.8,21.5;HRMS(ESI)理论值C28H29NNaO2 +[M+Na]+:434.2091,实测值:434.2085;HPLC:手性柱AD-H(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=9.0min,tr(minor)=7.0min,90%ee.
实施例3
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的4-苯基-N-甲氧基苯甲酰胺替换实施例1中所用的N-甲氧基苯甲酰胺,其他步骤与实施例1相同(反应时间为30h),得到白色固体产物,其收率为50%,表征数据为:1H NMR(600MHz,CDCl3)δ8.5(s,1H),7.97(d,J=8.1Hz,1H),7.72(dd,J=8.1,1.8Hz,1H),7.66–7.61(m,3H),7.49–7.47(m,2H),7.43–7.37(m,2H),7.36–7.30(m,6H),7.29–7.27(m,2H),7.21(t,J=7.2Hz,1H),3.06(s,3H),1.30(s,9H);13C NMR(151MHz,CDCl3)δ201.5,165.4,144.3,139.7,136.4,136.3,135.2,131.1,130.9,129.7,129.3,129.1,129.0,128.4,128.3,127.6,127.5,127.2,126.9,126.3,120.6,108.3,63.6,36.1,29.8;HRMS(ESI)calculated for C33H31NNaO2 +[M+Na]+:496.2247,found:496.2244;HPLC:手性柱AD-H(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=9.9min,tr(minor)=7.9min,94%ee.
实施例4
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的4-甲氧基-N-甲氧基苯甲酰胺替换实施例1中所用的N-甲氧基苯甲酰胺,其他步骤与实施例1相同,得到白色固体产物,其收率为39%,表征数据为:1H NMR(600MHz,CDCl3)δ8.37(s,1H),7.87(d,J=8.7Hz,1H),7.37–7.33(m,2H),7.32–7.25(m,6H),7.23–7.22(m,2H),7.20–7.18(m,1H),6.98(d,J=8.7Hz,1H),6.86(s,1H),3.84(s,3H),3.02(s,3H),1.27(s,9H);13C NMR(151MHz,CDCl3)δ201.3,162.0,136.44,136.4,136.2,132.4,129.3,129.0,128.4,127.6,127.5,126.2,124.8,120.7,116.4,113.8,108.5,63.5,55.6,36.2,29.9.;HRMS(ESI)理论值C28H29NNaO3 +[M+Na]+:450.2040,实测值:450.2028;HPLC:手性柱AD-H(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=12.7min,tr(minor)=9.2min,92%ee.
实施例5
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的4-乙氧基-N-甲氧基苯甲酰胺替换实施例1中所用的N-甲氧基苯甲酰胺,其他步骤与实施例1相同(反应时间为48h),得到白色固体产物,其收率为48%,表征数据为:1H NMR(600MHz,CDCl3)δ8.36(s,1H),7.86(d,J=8.7Hz,1H),7.37–7.33(m,2H),7.32–7.27(m,5H),7.24–7.21(m,2H),7.20–7.17(m,1H),6.97–6.95(m,1H),6.84(d,J=2.7Hz,1H),4.08–4.05(m,2H),3.01(s,3H),1.44(t,J=7.0Hz,3H),1.28(s,9H);13CNMR(151MHz,CDCl3)δ201.2,165.5,161.4,136.4,136.3,136.2,132.3,129.3,129.0,128.4,127.6,127.5,126.2,124.5,120.6,116.7,114.3,108.5,63.8,63.5,36.2,29.8,14.8;HRMS(ESI)理论值C29H31NNaO3 +[M+Na]+:464.2196,实测值:464.2186;HPLC:手性柱IG(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=34.1min,tr(minor)=24.1min,90%ee.
实施例6
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的4-正丙基-N-甲氧基苯甲酰胺替换实施例1中所用的N-甲氧基苯甲酰胺,其他步骤与实施例1相同(反应时间为48h),得到白色固体产物,其收率为48%,表征数据为:1H NMR(600MHz,CDCl3)δ8.42(s,1H),7.89(d,J=8.6Hz,1H),7.39–7.29(m,8H),7.25–7.20(m,2H),7.00(d,J=8.6Hz,1H),6.87(s,1H),3.98–3.97(m,2H),3.04(s,3H),1.88–1.84(m,2H),1.30(s,9H),1.08(t,J=7.6Hz,3H);13C NMR(151MHz,CDCl3)δ201.1,165.4,161.5,136.4,136.3,136.1,132.3,129.3,129.0,128.4,127.6,127.5,126.1,124.4,120.6,116.7,114.4,108.4,77.4,77.2,77.0,69.8,63.5,36.1,29.8,22.6,10.6;HRMS(ESI)理论值C30H33NNaO3 +[M+Na]+:478.2353,实测值:478.2339;HPLC:手性柱IG(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=29.4min,tr(minor)=21.1min,90%ee.
实施例7
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的4-氯-N-甲氧基苯甲酰胺替换实施例1中所用的N-甲氧基苯甲酰胺,其他步骤与实施例1相同(反应时间为84h),得到白色固体产物,其收率为48%,表征数据为:1H NMR(600MHz,CDCl3)δ8.29(s,1H),7.80(d,J=8.3Hz,1H),7.44(d,J=8.3Hz,1H),7.38–7.35(m,3H),7.33–7.29(m,5H),7.22–7.19(m,3H),3.01(s,3H),1.27(s,9H);13C NMR(151MHz,CDCl3)δ201.4,164.7,137.5,136.5,136.48,136.1,135.8,131.9,131.0,129.2,129.1,128.6,128.5,127.8,127.7,126.2,121.2,107.4,63.6,36.2,29.8;HRMS(ESI)理论值C27H26ClNNaO2 +[M+Na]+:454.1544,实测值:454.154;HPLC:手性柱AD-H(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=12.6min,tr(minor)=10.2min,91%ee.
实施例8
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的4-溴-N-甲氧基苯甲酰胺替换实施例1中所用的N-甲氧基苯甲酰胺,其他步骤与实施例1相同(反应时间为60h),得到白色固体产物,其收率为44%,表征数据为:1H NMR(600MHz,CDCl3)δ8.31(s,1H),7.72(d,J=8.3Hz,1H),7.61–7.59(m,1H),7.52(d,J=1.9Hz,1H),7.38–7.35(m,2H),7.33–7.29(m,5H),7.22–7.19(m,3H),3.00(s,3H),1.27(s,9H);13C NMR(151MHz,CDCl3)δ201.4,164.7,136.6,136.1,135.8,133.9,131.9,131.6,131.4,129.2,129.1,128.5,127.8,127.7,126.1,125.9,121.2,107.3,63.6,36.2,29.8;HRMS(ESI)理论值C27H26BrNNaO2 +[M+Na]+:498.1039,实测值:498.1033.[α]D 20=-108(c=0.05,CHCl3);HPLC:手性柱AD-H(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=9.2min,tr(minor)=7.7min,92%ee.
实施例9
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的4-三氟甲基-N-甲氧基苯甲酰胺替换实施例1中所用的N-甲氧基苯甲酰胺,其他步骤与实施例1相同(反应时间为72h),得到黄色固体产物,其收率为48%,表征数据为:1H NMR(600MHz,CDCl3)δ8.31(s,1H),7.96(d,J=8.1Hz,1H),7.72(d,J=8.2Hz,1H),7.65(s,1H),7.38–7.36(m,2H),7.35–7.28(m,5H),7.23(d,J=7.4Hz,1H),7.21–7.18(m,2H),3.03(s,3H),1.27(s,9H);13C NMR(151MHz,CDCl3)δ201.6,164.2,135.9,135.7,135.7,135.5,133.3(q,JC-F=33.0Hz),130.8,129.0,128.4,128.1,128.0,127.7,126.0,125.0,123.5(q,JC-F=271.5Hz),121.2,107.3,63.6,36.1,29.6;HRMS(ESI)理论值C28H26F3NNaO2 +[M+Na]+:488.1808,实测值:488.1808;HPLC:手性柱AS-H(正己烷:异丙醇=95:5,1.0mL/min,40℃,227nm);tr(major)=7.7min,tr(minor)=6.1min,95%ee.
实施例10
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的3-甲基-N-甲氧基苯甲酰胺替换实施例1中所用的N-甲氧基苯甲酰胺,其他步骤与实施例1相同(反应时间为48h),得到白色固体产物,其收率为49%,表征数据为:1H NMR(600MHz,CDCl3)δ8.34(s,1H),7.67(s,1H),7.36–7.32(m,3H),7.31–7.27(m,4H),7.27–7.25(m,2H),7.23–7.20(m,2H),7.19–7.16(m,1H),3.01(s,3H),2.42(s,3H),1.26(s,9H);13C NMR(151MHz,CDCl3)δ201.5,165.8,138.4,136.5,132.3,132.2,131.6,131.1,130.7,129.3,128.9,128.4,127.5,127.4,126.2,120.2,108.0,63.5,36.1,29.8,21.2;HRMS(ESI)理论值C28H29NNaO2 +[M+Na]+:434.2091,实测值:434.2087;HPLCconditions:手性柱IG(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=25.8min,tr(minor)=21.5min,92%ee.
实施例11
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的3-苯基-N-甲氧基苯甲酰胺替换实施例1中所用的N-甲氧基苯甲酰胺,其他步骤与实施例1相同(反应时间为48h),得到白色固体产物,其收率为54%,表征数据为:1H NMR(600MHz,CDCl3)δ8.41(s,1H),8.10(s,1H),7.77–7.76(m,1H),7.68(d,J=7.5Hz,2H),7.49–7.45(m,3H),7.40–7.37(m,3H),7.36–7.30(m,5H),7.28(d,J=7.5Hz,2H),7.23–7.19(m,1H),3.06(s,3H),1.30(s,9H);13C NMR(151MHz,CDCl3)δ201.6,165.6,141.3,139.7,136.5,136.4,133.5,132.9,131.7,130.0,129.3,129.0,128.9,128.8,128.4,128.0,127.6,127.5,127.2,126.3,120.5,108.0,63.6,36.1,29.8;HRMS(ESI)理论值C33H31NNaO2 +[M+Na]+:496.2247,实测值:496.2253;HPLC:手性柱IE(正己烷:异丙醇=80:20,1.0mL/min,40℃,254nm);tr(major)=17.4min,tr(minor)=21.0min,91%ee.
实施例12
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的3-氟-N-甲氧基苯甲酰胺替换实施例1中所用的N-甲氧基苯甲酰胺,其他步骤与实施例1相同(反应时间为54h),得到白色固体产物,其收率为26%,表征数据为:1H NMR(600MHz,CDCl3)δ8.37(s,1H),7.59(d,J=7.5Hz,1H),7.38–7.28(m,8H),7.25–7.19(m,4H),3.01(s,3H),1.26(s,9H);13C NMR(151MHz,CDCl3)δ201.5,164.2,162.5(d,JC-F=247.2Hz),136.3,136.2,134.5(d,JC-F=7.3Hz),133.1(d,JC-F=7.5Hz),130.6,129.2,129.1,128.5,127.7,127.7,126.1,120.7,118.8(d,JC-F=21.3Hz),117.3(d,JC-F=23.5Hz),107.4,63.6,36.2,29.8;HRMS(ESI)理论值C27H26FNNaO2 +[M+Na]+:438.1840,实测值:438.1834;HPLC:手性柱AD-H(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=8.7min,tr(minor)=6.8min,92%ee.
实施例13
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的3-三氟甲基-N-甲氧基苯甲酰胺替换实施例1中所用的N-甲氧基苯甲酰胺,其他步骤与实施例1相同(反应时间为84h),得到白色固体产物,其收率为45%,表征数据为:1H NMR(600MHz,CDCl3)δ8.37(s,1H),8.12(s,1H),7.78(d,J=8.0Hz,1H),7.51(d,J=8.0Hz,1H),7.38–7.36(m,2H),7.34–7.29(m,5H),7.23(d,J=7.5Hz,1H),7.19(d,J=8.0Hz,2H),3.05(s,3H),1.27(s,9H);13C NMR(151MHz,CDCl3)δ201.4,164.2,138.6,136.0,135.7,133.3,131.9,130.8(q,JC-F=34.5Hz),129.2,128.5,128.2,127.8,127.5,126.2,123.8(q,JC-F=271.5Hz),121.5,107.4,77.4,63.7,36.2,29.8;HRMS(ESI)理论值C28H26F3NNaO2 +[M+Na]+:488.1808,实测值:488.1801;HPLC:手性柱AD-H(正己烷:异丙醇=97:3,1.0mL/min,40℃,254nm);tr(major)=10.9min,tr(minor)=9.1min,93%ee.
实施例14
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的2-甲基-N-甲氧基苯甲酰胺替换实施例1中所用的N-甲氧基苯甲酰胺,其他步骤与实施例1相同(反应时间为30h),得到白色固体产物,其收率为22%,表征数据为:1H NMR(600MHz,CDCl3)δ7.67(s,1H),7.38–7.34(m,3H),7.31–7.28(m,5H),7.25–7.22(m,3H),7.20–7.17(m,2H),2.97(s,3H),2.41(s,3H),1.24(s,9H);13C NMR(151MHz,CDCl3)δ201.3,166.0,137.8,137.0,136.7,134.9,133.0,130.2,130.1,129.4,128.8,128.3,127.4,127.2,126.4,119.8,107.4,63.6,36.0,29.8,19.8;HRMS(ESI)理论值C28H29NNaO2 +[M+Na]+:434.2091,实测值:434.2088.HPLC:手性柱AD-H(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=5.5min,tr(minor)=4.4min,72%ee.
实施例15
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的N-甲氧基-2-萘酰胺替换实施例1中所用的N-甲氧基苯甲酰胺,其他步骤与实施例1相同(反应时间为30h),得到白色固体产物,其收率为49%,表征数据为:1H NMR(600MHz,CDCl3)δ8.50(s,1H),8.42(s,1H),7.95(d,J=8.0Hz,1H),7.88–7.87(m,2H),7.63–7.54(m,2H),7.40–7.27(m,8H),7.25(s,1H),7.21–7.18(m,1H),3.08(s,2H),1.31(s,9H);13C NMR(151MHz,CDCl3)δ201.9,165.5,136.6,136.56,134.6,132.4,131.6,131.2,130.5,130.4 129.3,128.9,128.8,128.4,128.1,127.7,127.6,127.5,127.1,126.4,125.9,120.1,108.5,63.6,36.1,29.9,29.9;HRMS(ESI)理论值C31H29NNaO2 +[M+Na]+:470.2091,实测值:470.2098;HPLC:手性柱IE(正己烷:异丙醇=85:15,1.0mL/min,40℃,254nm);tr(major)=22.4min,tr(minor)=20.9min,87%ee.
实施例16
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的4,4-二甲基-3-苯基-1-(对甲苯基)戊-1-炔-3-醇替换实施例1中所用的4,4-二甲基-1,3-二苯基戊-1-炔-3-醇,其他步骤与实施例1相同(反应时间为33h),得到黄色固体产物,其收率为53%,表征数据为:1H NMR(600MHz,CDCl3)δ8.37(s,1H),7.89–7.83(m,1H),7.53–7.51(m,1H),7.47–7.45(m,1H),7.37–7.33(m,3H),7.31–7.29(m,3H),7.11–7.09(m,4H),3.04(s,3H),2.30(s,3H),1.26(s,9H);13C NMR(151MHz,CDCl3)δ201.1,165.7,137.4,136.6,134.8,133.4,132.5,131.5,131.1,130.3,129.7,129.3,128.4,128.3,127.5,126.2,120.4,108.1,63.6,36.1,29.8,21.2;HRMS(ESI)理论值C28H29NNaO2 +[M+Na]+:434.2091,实测值434.2092.HPLC:手性柱IG(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=27.7min,tr(minor)=22.7min,90%ee.
实施例17
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的1-([[1,1'-联苯]-4-基)-4,4-二甲基-3-苯基戊-1-炔-3-醇替换实施例1中所用的4,4-二甲基-1,3-二苯基戊-1-炔-3-醇,其他步骤与实施例1相同(反应时间为44h),得到黄色固体产物,其收率为42%,表征数据为:1H NMR(600MHz,CDCl3)δ8.38(s,1H),7.88(d,J=7.6Hz,1H),7.57–7.53(m,5H),7.49(t,J=7.3Hz,1H),7.44–7.40(m,3H),7.39–7.36(m,2H),7.35–7.31(m,4H),7.30–7.29(m,2H),3.06(s,3H),1.30(s,9H);13C NMR(151MHz,CDCl3)δ201.6,165.7,140.5,140.2,136.4,135.4,134.6,132.5,131.7,131.2,130.3,129.3,128.9,128.5,128.5,127.7,127.6,127.5,127.0,126.6,120.6,108.0,63.6,36.2,29.8;HRMS(ESI)理论值C33H31NNaO2 +[M+Na]+:496.2247,实测值:496.2238;HPLC:手性柱IG(正己烷:异丙醇=90:10,1.0mL/min,40℃,254nm);tr(major)=25.6min,tr(minor)=17.5min,88%ee.
实施例18
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的1-(4-甲氧基苯基)-4,4-二甲基-3-苯基戊-1-炔-3-醇替换实施例1中所用的4,4-二甲基-1,3-二苯基戊-1-炔-3-醇,其他步骤与实施例1相同(反应时间为33h),得到黄色固体产物,其收率为39%,表征数据为:1H NMR(600MHz,CDCl3)δ8.39(s,1H),7.85(d,J=7.7Hz,1H),7.52(t,J=7.4Hz,1H),7.46(t,J=7.5Hz,1H),7.37–7.33(m,3H),7.31–7.29(m,3H),7.13–7.12(m,2H),6.83–6.82(m,2H),3.76(s,3H),3.05(s,3H),1.26(s,9H);13C NMR(151MHz,CDCl3)δ200.8,165.7,159.2,136.7,134.9,132.5,131.6,131.1,130.3,129.2,128.6,128.4,128.3,127.5,127.5,120.4,114.5,107.9,63.6,55.4,36.1,29.9,29.8;HRMS(ESI)calculated for C28H29NNaO3 +[M+Na]+:450.2040,found:450.2033;HPLC:手性柱IG(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=41.8min,tr(minor)=32.2min,88%ee.
实施例19
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的1-(4-苯氧基苯基)-4,4-二甲基-3-苯基戊-1-炔-3-醇替换实施例1中所用的4,4-二甲基-1,3-二苯基戊-1-炔-3-醇,其他步骤与实施例1相同(反应时间为32h),得到黄色固体产物,其收率为49%,表征数据为:1H NMR(600MHz,CDCl3)δ8.39(s,1H),7.85(d,J=7.7Hz,1H),7.54–7.51(m,1H),7.47–7.45(m,1H),7.39–7.35(m,3H),7.33–7.29(m,5H),7.17–7.16(m,2H),7.11–7.10(m,1H),7.00–6.99(m,2H),6.93–6.91(m,2H),3.11(s,3H),1.27(s,9H);13C NMR(151MHz,CDCl3)δ201.1,165.7,156.9,156.8,136.5,134.7,132.4,131.6,131.1,131.1,130.2,129.9,129.2,128.4,128.39,127.6,127.58,123.7,120.5,119.3,119.0,107.7,63.7,36.1,29.8;HRMS(ESI)理论值C33H31NNaO3 +[M+Na]+:512.2196,实测值:512.2188;HPLC:手性柱AD-H(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=11.7min,tr(minor)=10.0min,91%ee.
实施例20
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的1-(4-氯苯基)-4,4-二甲基-3-苯基戊-1-炔-3-醇替换实施例1中所用的4,4-二甲基-1,3-二苯基戊-1-炔-3-醇,其他步骤与实施例1相同(反应时间为30h),得到黄色固体产物,其收率为51%,表征数据为:1H NMR(600MHz,CDCl3)δ8.26(s,1H),7.83(d,J=7.7Hz,1H),7.56–7.54(m,1H),7.48(t,J=7.5Hz,1H),7.39–7.37(m,3H),7.35–7.34(m,1H),7.31–7.30(m,2H),7.28–7.27(m,1H),7.26(s,1H),7.16–7.15(m,2H),3.10(s,3H),1.28(s,9H);13C NMR(151MHz,CDCl3)δ201.5,165.7,136.2,135.1,134.3,133.3,132.5,131.7,131.1,130.2,129.2,129.1,128.6,128.5,127.7,127.5,120.8,107.5,63.7,36.2,29.8;HRMS(ESI)理论值C27H26ClNNaO2 +[M+Na]+:454.1544,实测值:454.1544.[α]D 20=-240(c=0.05,CHCl3);HPLC:手性柱AD-H(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=9.0min,tr(minor)=7.6min,89%ee.
实施例21
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的1-(4-三氟甲基苯基)-4,4-二甲基-3-苯基戊-1-炔-3-醇替换实施例1中所用的4,4-二甲基-1,3-二苯基戊-1-炔-3-醇,其他步骤与实施例1相同(反应时间为52h),得到黄色固体产物,其收率为34%,表征数据为:1H NMR(600MHz,CDCl3)δ8.20(s,1H),7.80(d,J=7.4Hz,1H),7.56–7.53(m,3H),7.49–7.45(m,1H),7.38–7.36(m,3H),7.34–7.29(m,5H),3.06(s,3H),1.27(s,9H);13C NMR(151MHz,CDCl3)δ202.3,165.7,140.5,136.0,134.2,132.6,131.8,131.2,130.1,129.3(q,JC-F=40Hz),129.2,128.7,128.6,127.9,126.4,125.8(q,JC-F=3.7Hz),124.2(q,JC-F=270.5Hz),121.0,107.5,63.7,36.2,29.8;HRMS(ESI)理论值C28H26F3NNaO2 +[M+Na]+:488.1808,实测值:488.1804;HPLC:手性柱IG(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=15.7min,tr(minor)=13.7min,90%ee.
实施例22
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的1-(3-甲氧基苯基)-4,4-二甲基-3-苯基戊-1-炔-3-醇替换实施例1中所用的4,4-二甲基-1,3-二苯基戊-1-炔-3-醇,其他步骤与实施例1相同(反应时间为42h),得到黄色固体产物,其收率为43%,表征数据为:1H NMR(600MHz,CDCl3)δ8.31(s,1H),7.85(d,J=7.7Hz,1H),7.52(t,J=7.5Hz,1H),7.46(t,J=7.6Hz,1H),7.36–7.34(m,3H),7.32–7.29(m,3H),7.20(t,J=8.0Hz,1H),6.81(s,1H),6.77–6.74(m,2H),3.75(s,3H),3.05(s,3H),1.26(s,9H);13C NMR(151MHz,CDCl3)δ201.6,165.6,160.1,138.0,136.4,134.5,132.6,131.6,131.2,130.3,130.0,129.3,128.5,128.4,127.6,120.5,118.9,113.0,112.0,108.1,63.6,55.3,36.2,29.8;HRMS(ESI)calculatedfor C28H29NNaO3 +[M+Na]+:450.2040,found:450.2034;HPLC:手性柱IG(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=29.6min,tr(minor)=25.0min,90%ee.
实施例23
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的1-(3-氟苯基)-4,4-二甲基-3-苯基戊-1-炔-3-醇替换实施例1中所用的4,4-二甲基-1,3-二苯基戊-1-炔-3-醇,其他步骤与实施例1相同(反应时间为42h),得到黄色固体产物,其收率为44%,表征数据为:1H NMR(600MHz,CDCl3)δ8.24(s,1H),7.82(d,J=7.7Hz,1H),7.53(t,J=7.5Hz,1H),7.47(t,J=7.6Hz,1H),7.38–7.35(m,3H),7.33(d,J=7.0Hz,1H),7.31–7.29(m,2H),7.25–7.21(m,1H),6.98–6.95(m,1H),6.93–6.87(m,2H),3.07(s,3H),1.26(s,9H);13C NMR(151MHz,CDCl3)δ201.7,165.7,163.3(d,JC-F=244.5Hz),139.2(d,JC-F=9Hz),136.1,134.3,132.6,131.7,131.2,130.4(d,JC-F=9Hz),130.2,129.2,128.6,128.5,127.8,122.0,120.9,114.4(d,JC-F=22.5Hz),112.9(d,JC-F=22.5Hz),107.6,107.6,63.7,36.2,29.8;HRMS(ESI)理论值C27H26FNNaO2 +[M+Na]+:438.1840,实测值:438.1844;HPLC:手性柱IG(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=19.2min,tr(minor)=16.5min,89%ee.
实施例24
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的1-(3-氯苯基)-4,4-二甲基-3-苯基戊-1-炔-3-醇替换实施例1中所用的4,4-二甲基-1,3-二苯基戊-1-炔-3-醇,其他步骤与实施例1相同(反应时间为30h),得到黄色固体产物,其收率为41%,表征数据为:1H NMR(600MHz,Chloroform-d)δ8.25(s,1H),7.80(d,J=7.7Hz,1H),7.54–7.52(m,1H),7.48–7.45(m,1H),7.38–7.35(m,3H),7.34–7.31(m,1H),7.31–7.28(m,2H),7.23–7.21(m,1H),7.20(d,J=7.8Hz,1H),7.17–7.15(m,1H),7.04(d,J=7.7Hz,1H),3.09(s,3H),1.26(s,9H);13C NMR(151MHz,CDCl3)δ201.8,165.7,138.8,136.1,135.0,134.2,132.5,131.7,131.2,130.1,129.2,128.6,128.5,127.8,127.4,126.2,124.5,120.9,107.4,63.7,36.2,29.8;HRMS(ESI)理论值C27H26ClNNaO2 +[M+Na]+:454.1544,实测值:454.1544.HPLC:手性柱AS-H(正己烷:异丙醇=95:5,1.0mL/min,40℃,227nm);tr(major)=8.1min,tr(minor)=6.8min,91%ee.
实施例25
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的1-(3-三氟甲基苯基)-4,4-二甲基-3-苯基戊-1-炔-3-醇替换实施例1中所用的4,4-二甲基-1,3-二苯基戊-1-炔-3-醇,其他步骤与实施例1相同(反应时间为30h),得到黄色固体产物,其收率为25%,表征数据为:1H NMR(600MHz,CDCl3)δ8.18(s,1H),7.79(d,J=7.7Hz,1H),7.60(s,1H),7.55(t,J=7.6Hz,1H),7.48(t,J=7.6Hz,1H),7.44(d,J=7.9Hz,1H),7.39–7.36(m,4H),7.34(d,J=7.1Hz,1H),7.32–7.26(m,3H),3.04(s,3H),1.27(s,9H);13C NMR(151MHz,CDCl3)δ201.9,165.7,137.8,136.0,134.1,132.6,131.8,131.3,131.2,131.1,130.9,130.1,129.6,129.5,129.2,128.7,128.6,127.8,124.2(q,JC-F=271.1Hz),123.9(q,JC-F=3.9Hz),122.9(q,JC-F=3.1Hz),121.1,107.5,63.7,36.3,29.8;HRMS(ESI)理论值C28H26F3NNaO2 +[M+Na]+:488.1808,实测值:488.1808;HPLC:手性柱OD-H(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=8.0min,tr(minor)=6.9min,88%ee.
实施例26
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的1-(2-氟苯基)-4,4-二甲基-3-苯基戊-1-炔-3-醇替换实施例1中所用的4,4-二甲基-1,3-二苯基戊-1-炔-3-醇,其他步骤与实施例1相同(反应时间为56h),得到黄色固体,其收率为48%,表征数据为:1H NMR(600MHz,CDCl3)δ8.37(s,1H),7.76(d,J=7.7Hz,1H),7.51(d,J=7.8Hz,1H),7.43(t,J=7.9Hz,1H),7.39(d,J=7.8Hz,1H),7.36–7.34(m,2H),7.31–7.29(m,3H),7.19–7.16(m,1H),7.05(t,J=9.8Hz,1H),6.99(t,J=7.8Hz,1H),6.84–6.82(m,1H),3.17(s,3H),1.23(s,9H);13C NMR(151MHz,CDCl3)δ203.9,165.8,160.4(d,JC-F=250.2Hz),136.4,135.6,132.2,131.5,131.0,130.0,129.7,129.5,129.0(d,JC-F=8.3Hz),128.3,128.2,127.4,124.7(d,JC-F=9.3Hz),124.4(d,JC-F=3.8Hz),117.4,116.2(d,JC-F=21.8Hz),102.2,63.7,35.8,29.4;HRMS(ESI)理论值C27H26FNNaO2 +[M+Na]+:438.1840,实测值:438.1832;HPLC:手性柱IG(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=22.8min,tr(minor)=19.6min,85%ee.
实施例27
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的3-(4-(叔丁基)苯基)-4,4-二甲基-1-苯基戊-1-炔-3-醇替换实施例1中所用的4,4-二甲基-1,3-二苯基戊-1-炔-3-醇,其他步骤与实施例1相同(反应时间为47h),得到黄色固体,其收率为53%,表征数据为:1H NMR(600MHz,CDCl3)δ8.34(s,1H),7.87(d,J=7.7Hz,1H),7.55–7.52(m,1H),7.48–7.45(m,1H),7.40–7.36(m,3H),7.29–7.26(m,2H),7.24–7.21(m,2H),7.22–7.15(m,3H),2.98(s,3H),1.31(s,9H),1.27(s,9H);13C NMR(151MHz,CDCl3)δ201.4,165.6,150.5,136.3,134.7,133.2,132.4,131.6,131.2,130.3,128.9,128.9,128.3,127.4,126.2,125.4,120.5,108.0,63.5,36.1,34.7,31.4,29.8;HRMS(ESI)理论值C31H35NNaO2 +[M+Na]+:476.2560,实测值:476.2556;HPLC:手性柱IG(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=22.2min,tr(minor)=15.2min,80%ee.
实施例28
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的3-(4-氟苯基)-4,4-二甲基-1-苯基戊-1-炔-3-醇替换实施例1中所用的4,4-二甲基-1,3-二苯基戊-1-炔-3-醇,其他步骤与实施例1相同(反应时间为47h),得到黄色固体,其收率为49%,表征数据为:1H NMR(600MHz,CDCl3)δ8.34(s,1H),7.84(d,J=7.7Hz,1H),7.55–7.50(m,1H),7.49–7.44(m,1H),7.34(dd,J=7.5,1.3Hz,1H),7.32–7.26(m,4H),7.23–7.18(m,3H),7.06–7.03(m,2H),3.10(s,3H),1.25(s,9H);13C NMR(151MHz,CDCl3)δ201.6,165.8,162.3(d,JC-F=245.1Hz),136.4,134.6,132.5,132.3(d,JC-F=3.3Hz),131.6,131.1,130.9(d,JC-F=7.8Hz),130.2,129.0,128.4,127.6,126.2,119.5,115.4(d,JC-F=21.2Hz),108.2,63.7,36.1,29.7;HRMS(ESI)理论值C27H26FNNaO2 +[M+Na]+:438.1840,实测值:438.1841;HPLC:手性柱IC-H(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=31.1min,tr(minor)=26.3min,86%ee.
实施例29
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的3-(3-甲基苯基)-4,4-二甲基-1-苯基戊-1-炔-3-醇替换实施例1中所用的4,4-二甲基-1,3-二苯基戊-1-炔-3-醇,其他步骤与实施例1相同(反应时间为47h),得到黄色固体,其收率为43%,表征数据为:1H NMR(600MHz,CDCl3)δ8.35(s,1H),7.87(d,J=7.5Hz,1H),7.55–7.52(m,1H),7.48–7.46(m,1H),7.38(d,J=7.0Hz,1H),7.30–7.28(m,2H),7.25–7.22(m,2H),7.21–7.17(m,2H),7.14–7.09(m,3H),3.02(s,3H),2.35(s,3H),1.27(s,9H);13C NMR(151MHz,CDCl3)δ201.4,165.6,138.2,136.4,136.3,134.6,132.5,131.6,131.2,130.3,129.8,129.0,128.4,128.4,128.3,127.4,126.3,126.2,120.6,108.1,63.5,36.1,29.9,21.6;HRMS(ESI)理论值C28H29NNaO2 +[M+Na]+:434.2091,实测值:434.2091;HPLC:手性柱IG(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=20.5min,tr(minor)=16.4min,87%ee.
实施例30
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的3-(3-氟苯基)-4,4-二甲基-1-苯基戊-1-炔-3-醇替换实施例1中所用的4,4-二甲基-1,3-二苯基戊-1-炔-3-醇,其他步骤与实施例1相同(反应时间为71h),得到黄色固体,其收率为51%,表征数据为:1H NMR(600MHz,CDCl3)δ8.33(s,1H),7.83(d,J=7.7Hz,1H),7.55–7.52(m,1H),7.48–7.46(m,1H),7.35–7.29(m,4H),7.22–7.20(m,3H),7.08(d,J=7.7Hz,1H),7.05–7.00(m,2H),3.11(s,3H),1.27(s,9H);13C NMR(151MHz,CDCl3)δ201.5,165.7,162.5(d,JC-F=245.6Hz),138.7(d,JC-F=7.6Hz),136.2,134.4,132.5,131.6,131.1,130.2,123.0(d,JC-F=8.3Hz),129.1,128.5,127.7,126.3,125.13,125.1,119.5,116.3(d,JC-F=21.2Hz),114.5(d,JC-F=20.7Hz),108.8,63.7,36.2,29.9;HRMS(ESI)理论值C27H26FNNaO2 +[M+Na]+:438.1840,实测值:438.1846.[α]D 20=-148(c=0.05,CHCl3);HPLC:手性柱IG(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=19.9min,tr(minor)=18.0min,86%ee.
实施例31
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的4,4-二甲基-1,3-二苯基己-1-炔-3-醇替换实施例1中所用的4,4-二甲基-1,3-二苯基戊-1-炔-3-醇,其他步骤与实施例1相同(反应时间为53h),得到黄色固体产物,其收率为41%,表征数据为:1H NMR(600MHz,CDCl3)δ8.31(s,1H),7.86(d,J=7.7Hz,1H),7.53(t,J=7.5Hz,1H),7.46(t,J=7.6Hz,1H),7.38(d,J=7.6Hz,1H),7.36–7.34(m,2H),7.32–7.28(m,5H),7.23–7.22(m,2H),7.21–7.17(m,1H),3.01(s,3H),1.54(q,J=7.4Hz,2H),1.21(s,6H),0.92(t,J=7.4Hz,3H);13C NMR(151MHz,CDCl3)δ202.6,165.6,136.5,136.3,134.7,132.4,131.6,131.1,130.3,129.1,129.0,128.5,128.4,127.6,127.5,126.3,118.9,108.0,63.6,39.6,33.5,27.4,27.2,9.5;HRMS(ESI)理论值C28H29NNaO2 +[M+Na]+:434.2091,实测值:434.2082;HPLC:手性柱IG(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=21.7min,tr(minor)=17.8min,91%ee.
实施例32
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的1-(((3r,5r,7r)-金刚烷-1-基)-1,3-二苯丙-2-炔-1-醇替换实施例1中所用的4,4-二甲基-1,3-二苯基戊-1-炔-3-醇,其他步骤与实施例1相同,得到黄色固体,其收率为36%,表征数据为:1H NMR(600MHz,CDCl3)δ8.36(s,1H),7.87(d,J=7.6Hz,1H),7.54(t,J=7.4Hz,1H),7.47(t,J=7.6Hz,1H),7.38(d,J=7.5Hz,1H),7.36–7.34(m,2H),7.33–7.26(m,5H),7.23–7.22(m,2H),7.19(t,J=7.2Hz,1H),3.01(s,3H),2.06–2.02(m,3H),1.88–1.84(m,6H),1.74–1.65(m,6H);13C NMR(151MHz,CDCl3)δ201.8,165.6,136.4,135.4,134.7,132.4,131.7,131.3,130.3,129.5,129.0,128.4,128.3,127.6,127.4,126.1,121.0,108.6,63.6,41.8,37.9,36.7,28.8;HRMS(ESI)理论值C33H33NNaO2 +[M+Na]+:498.2404,实测值:498.2405;HPLC:手性柱IG(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=23.8min,tr(minor)=21.7min,90%ee.
实施例33
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的4-甲基-1,3-二苯基戊-1-炔-3-醇替换实施例1中所用的4,4-二甲基-1,3-二苯基戊-1-炔-3-醇,其他步骤与实施例1相同,得到白色固体,其收率为19%,表征数据为:1H NMR(600MHz,CDCl3)δ8.56(s,1H),7.79(d,J=6.7Hz,1H),7.50(t,J=7.3Hz,1H),7.48–7.41(m,4H),7.38–7.35(m,2H),7.31–7.28(m,3H),7.25–7.24(m,2H),7.22(t,J=7.2Hz,1H),3.33(s,3H),3.05–2.99(m,1H),1.30(d,J=6.7Hz,3H),1.26(d,J=6.6Hz,3H);13C NMR(151MHz,CDCl3)δ204.8,159.7,136.4,136.3,131.61,131.6,131.4,131.39,129.9,129.8,129.0,128.4,127.7,127.6,126.9,126.5,118.1,111.9,64.0,30.2,22.6;HRMS(ESI)理论值C26H25NNaO2 +[M+Na]+:406.1778,实测值:406.1778;HPLC:手性柱AD-H(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=13.3min,tr(minor)=14.9min,65%ee.
实施例34
合成结构式如下的2-(1,2-二烯-1-基)-N-甲氧基苯甲酰胺骨架化合物
本实施例中,用等摩尔的2,4-二苯基丁-3-炔-2-醇替换实施例1中所用的4,4-二甲基-1,3-二苯基戊-1-炔-3-醇,其他步骤与实施例1相同,得到白色固体,其收率为7%,表征数据为:1H NMR(600MHz,CDCl3)δ8.43(s,1H),7.71(d,J=7.7Hz,1H),7.51–7.49(m,3H),7.45–7.41(m,2H),7.37–7.35(m,2H),7.32–7.27(m,3H),7.26–7.21(m,3H),3.49(s,3H),2.30(s,3H);13C NMR(151MHz,CDCl3)δ206.4,165.9,136.4,136.2,135.1,132.9,131.3,131.2,129.3,128.8,128.7,128.2,127.6,127.5,126.9,126.0,109.6,105.1,64.1,16.8;HRMS(ESI)理论值C24H21NNaO2 +[M+Na]+:378.1465,实测值:378.1459.[α]D 20=-12(c=0.05,CHCl3);HPLC:手性柱IA-H(正己烷:异丙醇=95:5,1.0mL/min,40℃,254nm);tr(major)=21.6min,tr(minor)=24.2min,73%ee.
Claims (7)
2.根据权利要求1所述的三价铑催化合成轴手性联烯化合物的方法,其特征在于:所述N-甲氧基苯甲酰胺类化合物与炔丙醇类化合物的摩尔比为0.4~0.7:1。
3.根据权利要求1所述的三价铑催化合成轴手性联烯化合物的方法,其特征在于:所述三价铑催化剂[CpXRh(III)]的加入量为炔丙醇类化合物摩尔量的1%~5%。
4.根据权利要求1所述的三价铑催化合成轴手性联烯化合物的方法,其特征在于:所述手性羧酸锌Zn1的加入量为炔丙醇类化合物摩尔量的10%~50%。
6.根据权利要求5所述的三价铑催化合成轴手性联烯化合物的方法,其特征在于:所述手性酸A和醋酸锌的摩尔比为2.0~2.1:1。
7.根据权利要求1所述的三价铑催化合成轴手性联烯化合物的方法,其特征在于:所述的有机溶剂为1,2-二氯乙烷、二氯甲烷、氯苯、三氟甲苯、丙酮中任意一种。
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