CN116535329A - Nobin类轴手性联芳基化合物的合成方法及其化合物 - Google Patents

Nobin类轴手性联芳基化合物的合成方法及其化合物 Download PDF

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CN116535329A
CN116535329A CN202310335538.7A CN202310335538A CN116535329A CN 116535329 A CN116535329 A CN 116535329A CN 202310335538 A CN202310335538 A CN 202310335538A CN 116535329 A CN116535329 A CN 116535329A
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nobin
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杨星
魏立文
李娇梦
赵燚
魏志康
邹东阳
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Hunan Normal University
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Abstract

本发明提供了NOBIN类轴手性联芳基化合物的合成方法及其化合物。该合成方法通过手性磷酸催化剂催化1,3‑氧氮杂桥联联芳基化合物的方法构建NOBIN类轴手性联芳基化合物,一步合成,较已报道的方法原料需要多步骤合成,提高了原子经济性和步骤经济性,降低了成本。直接使用手性磷酸为催化剂,避免金属盐与强碱的使用,增加了产物所含官能团的多样性;同时避免贵金属的使用,有利于降低成本。而且该合成方法其具有产率高、对映选择性好等特点,与已有方法相比更为绿色环保,应用性更强,为NOBIN类轴手性联芳基化合物的合成提供了一种经济实用的新方法。

Description

NOBIN类轴手性联芳基化合物的合成方法及其化合物
技术领域
本发明属于有机合成技术领域,尤其涉及NOBIN类轴手性联芳基化合物的合成方法及其化合物。
背景技术
NOBIN类轴手性联芳基骨架是一类重要的结构单元,广泛存在于天然产物、药物分子以及手性催化剂中。目前,通过不对称催化反应合成NOBIN类轴手性联芳基化合物有以下几类方法:(1)通过去对称化策略合成NOBIN类轴手性联芳基化合物;(2)通过过渡金属催化的氧化交叉偶联反应合成NOBIN类轴手性联芳基化合物;(3)通过动力学拆分策略合成NOBIN类轴手性联芳基化合物;(4)通过共轭加成策略合成NOBIN类轴手性联芳基化合物。然而,以上四种方法存在底物适用范围窄、产率低、或采用金属催化剂等诸多问题。因此,进一步开发NOBIN类轴手性联芳基化合物的新型、高效、环保的合成方法具有极其重要的研究价值。
发明内容
本发明的目的在于,针对现有技术的上述不足,设计和研发了NOBIN类轴手性联芳基化合物的合成新方法及其化合物。
为实现上述目的,本发明采用如下的技术方案:本发明提供了一种NOBIN类轴手性联芳基化合物的合成方法,通过手性磷酸化合物1催化1,3-氧氮杂桥联联芳基化合物2与水的对映选择性加成反应,制得NOBIN类轴手性联芳基化合物3,该合成方法的反应方程式为:
所述手性磷酸化合物的结构式如下:
其中,R1,R2,R3均选自烷基、卤素、硝基或芳基;R为对-金刚烷基苯基。
进一步的,所述1,3-氧氮杂桥联联芳基化合物与水的摩尔比为1:2.8。
进一步的,所述1,3-氧氮杂桥联联芳基化合物与所述手性磷酸化合物的摩尔比为1:0.1。
进一步的,所述溶剂为无水环己烷,所述无水环己烷。
进一步的,所述无水环己烷与所述1,3-氧氮杂桥联联芳基化合物体积摩尔比为2mL:0.1mmol。
进一步的,所述合成方法的反应条件:温度为20℃~25℃,反应时间为1~7d。
进一步的,所述合成方法制得的制得NOBIN类轴手性联芳基化合物3为白色固体。
进一步的,所述NOBIN类轴手性联芳基化合物的收率不低于98%。
本发明的第二目的是提供采用上述合成方法制备的到的NOBIN类轴手性联芳基化合物。
进一步的,所述NOBIN类轴手性联芳基化合物的对应体过量值不低于90%。
与现有技术比较,本发明提供的技术方案带来的有益效果是:
(1)本发明通过手性磷酸催化剂催化1,3-氧氮杂桥联联芳基化合物的方法构建NOBIN类轴手性联芳基化合物,一步合成,较已报道的方法原料需要多步骤合成,提高了原子经济性和步骤经济性,降低了成本。而且该合成方法其具有产率高、对映选择性好等特点,与已有方法相比更为绿色环保,应用性更强。
(2)直接使用手性磷酸为催化剂,避免金属盐与强碱的使用,增加了产物所含官能团的多样性;同时避免贵金属的使用,有利于降低成本。
(3)本发明的合成方法具有反应条件温和、操作简便、原料来源广泛、产品利用价值高和有利于工业化生产等特点,为NOBIN类轴手性联芳基化合物的合成提供了一种经济实用的新方法。
附图说明
图1为本发明化合物的合成路线图;
图2和图3分别为实施例1产物的核磁氢谱图和核磁碳谱图;
图4和图5分别为实施例2产物的核磁氢谱图和核磁碳谱图;
图6和图7分别为实施例3产物的核磁氢谱图和核磁碳谱图;
图8和图9分别为实施例5产物的核磁氢谱图和核磁碳谱图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚,下面结合附图和具体实施例,对本发明的具体实施方式作进一步详细描述。实施例中未注明具体技术或条件的,按照本领域内的文献所描述的技术或条件或者按照产品说明书进行。所用试剂或仪器未注明生产厂商者,均为可以通过市购获得的常规产品。
本发明用到的手性磷酸为R为对-金刚烷基苯基。
实施例1
如图1所示的合成路线,本实施例的1,3-氧氮杂桥联联芳基化合物1a为6-phenylbenzo[f]naphtho[2,1-d][1,3]oxazepine 1a(6-苯基苯并[f]萘并[2,1-d][1,3]氧氮杂/>)。
向反应瓶中加入手性磷酸2a(10mol%,7.35mg)、1,3-氧氮杂桥联联芳基化合物1a(0.1mmol,32mg)和无水环己烷(2ml),搅拌2-3分钟,再滴加水(5μl),室温搅拌反应(1-7天)后直接过滤分离得到目标产物((R)-N-(1-(2-羟基苯基)萘-2-基)苯甲酰胺)3a。白色固体,99%产率,92%对映体过量值,对映体过量值通过高效液相色谱的方法测定(测试条件:IA手性柱,正己烷/异丙醇=90/10,流速=1.0mL/min,波长=254nm,tminor=17.54min,tmajor=20.68min,)。
如图2和图3所示,本实施例产物的核磁及质谱数据如下:
1H NMR(500MHz,DMSO):δ9.77(s,1H),9.21(s,1H),7.97(d,J=8.3Hz,3H),7.67(d,J=7.6Hz,2H),7.59–7.38(m,6H),7.32(t,J=7.9Hz,1H),7.18(d,J=7.5Hz,1H),7.09(d,1H),6.95(t,J=7.4Hz,1H)。13C NMR(126MHz,DMSO)δ165.4,155.3,135.0,133.8,132.8,132.6,132.1,131.7,129.9,129.6,129.0,128.3,128.0,127.4,126.6,126.3,125.6,124.6,122.6,119.7,116.3.HRMS(ESI,m/z):计算值[M+Na]+:362.1151,实测值:362.1150。
实施例2
合成方法与实施例1基本相同,不同之处为:1,3-氧氮杂桥联联芳基化合物1a为6-(4-chlorophenyl)benzo[f]naphtho[2,1-d][1,3]oxazepine(6-(4-氯苯基)苯并[f]萘并[2,1-d][1,3]氧氮杂/>)。
得到目标产物((R)-4-氯-N-(1-(2-羟基苯基)萘-2-基)苯甲酰胺)3a。白色固体,99%产率,98%对映体过量值,对映体过量值通过高效液相色谱的方法测定(测试条件:IA手性柱,正己烷/异丙醇=90/10,流速=1.0mL/min,波长=254nm,tminor=22.46min,tmajor=26.74min)。
如图4和图5所示,本实施例产物的核磁及质谱数据如下:
1H NMR(500MHz,DMSO):δ9.66(s,1H),9.42(s,1H),7.97(d,J=8.6Hz,2H),7.84(d,J=8.8Hz,1H),7.69(d,J=8.5Hz,2H),7.55–7.39(m,5H),7.32–7.25(m,1H),7.18–7.11(m,1H),7.05(d,J=8.1Hz,1H),6.92(t,J=7.5Hz,1H).13C NMR(126MHz,DMSO):δ164.7,155.3,136.8,133.8,133.7,132.8,132.5,131.8,130.7,129.8,129.5,129.0,128.3,127.9,126.5,126.4,125.7,125.3,122.7,119.5,116.2.HRMS(ESI,m/z):计算值[M+H]+:374.0942,实测值:374.0940。
实施例3
合成方法与实施例1基本相同,不同之处为:1,3-氧氮杂桥联联芳基化合物1a为6-(4-nitrophenyl)benzo[f]naphtho[2,1-d][1,3]oxazepine(6-(4-硝基苯基)苯并[f]萘并[2,1-d][1,3]氧氮杂/>)。
得到目标产物((R)-N-(1-(2-羟基苯基)萘-2-基)-4-硝基苯甲酰胺)3a。白色固体,99%产率,98%对映体过量值,对映体过量值通过高效液相色谱的方法测定(测试条件:IA手性柱,正己烷/异丙醇=90/10,流速=1.0mL/min,波长=254nm,tminor=35.79min,tmajor=38.48min)。
如图6和图7所示,本实施例产物的核磁及质谱数据如下:
1H NMR(500MHz,DMSO):δ9.79(s,1H),9.58(s,1H),8.28(d,J=8.3Hz,2H),7.99(d,J=8.4Hz,2H),7.90(d,J=8.2Hz,2H),7.77(d,J=8.5Hz,1H),7.47(dp,J=21.5,7.8,7.4Hz,3H),7.27(t,J=7.9Hz,1H),7.14(d,J=7.5Hz,1H),7.03(d,J=8.0Hz,1H),6.90(t,J=7.5Hz,1H)..13C NMR(126MHz,DMSO):δ164.4,155.4,149.5,140.8,133.4,132.7,132.4,132.1,131.7,129.8,129.2,128.3,128.0,126.5,126.5,125.9,125.8,124.0,122.8,119.4,116.2.HRMS(ESI+):计算值[M+Na]+:407.1002,实测值:407.0997。
实施例4
合成方法与实施例1基本相同,不同之处为:1,3-氧氮杂桥联联芳基化合物1a为6-(4-bromophenyl)benzo[f]naphtho[2,1-d][1,3]oxazepine(6-(4-溴苯基)苯并[f]萘并[2,1-d][1,3]氧氮杂/>)。
得到目标产物((R)-4-溴-N-(1-(2-羟基苯基)萘-2-基)苯甲酰胺)3a。白色固体,99%产率,96%对映体过量值,对映体过量值通过高效液相色谱的方法测定(测试条件:IA手性柱,正己烷/异丙醇=90/10,流速=1.0mL/min,波长=254nm,tminor=21.6min,tmajor=24.94min)。
1H NMR(500MHz,DMSO):δ9.65(s,1H),9.42(s,1H),7.97(d,J=8.4Hz,2H),7.84(d,J=8.8Hz,1H),7.70–7.55(m,4H),7.53–7.37(m,3H),7.28(t,J=7.7Hz,1H),7.14(d,J=7.5Hz,1H),7.04(d,J=8.1Hz,1H),6.91(t,J=7.4Hz,1H).13C NMR(126MHz,DMSO):δ164.9,155.3,134.1,133.6,132.8,132.5,131.9,131.8,130.7,129.8,129.7,128.3,127.9,126.5,126.4,125.7,125.7,125.3,122.7,119.5,116.2.HRMS(ESI+):计算值[M+H]+:418.0437,实测值:418.0433。
实施例5
合成方法与实施例1基本相同,不同之处为:6-(thiophen-2-yl)benzo[f]naphtho[2,1-d][1,3]oxazepine(6-(噻吩-2-基)苯并[f]萘并[2,1-d][1,3]氧氮杂)。
得到目标产物((R)-N-(1-(2-羟基苯基)萘-2-基)噻吩-2-甲酰胺)。白色固体,99%产率,94%对映体过量值,对映体过量值通过高效液相色谱的方法测定(测试条件:IA手性柱,正己烷/异丙醇=90/10,流速=1.0mL/min,波长=254nm,tminor=17.26min,tmajor=20.94min)。
如图8和图9所示,本实施例产物的核磁及质谱数据如下:
1H NMR(500MHz,DMSO):δ9.75(s,1H),9.19(s,1H),8.00–7.94(m,2H),7.90(d,J=8.8Hz,1H),7.81(dd,J=5.0,1.2Hz,1H),7.53–7.47(m,2H),7.45–7.40(m,2H),7.31(td,J=7.8,1.8Hz,1H),7.18–7.11(m,2H),7.07(dd,J=8.2,1.2Hz,1H),6.94(td,J=7.4,1.2Hz,1H).13C NMR(126MHz,DMSO):δ160.1,155.3,139.9,133.3,132.8,132.6,132.0,131.7,129.9,129.9,129.0,128.5,128.3,128.0,126.6,126.4,125.6,124.74,122.53,119.6,116.3.HRMS(ESI+):计算值[M+Na]+:368.0716,实测值:368.0715。
实施例6
合成方法与实施例1基本相同,不同之处为:6-(furan-2-yl)benzo[f]naphtho[2,1-d][1,3]oxazepine(6-(呋喃-2-基)苯并[f]
萘并[2,1-d][1,3]氧氮杂
得到目标产物((R)-N-(1-(2-羟基苯基)萘-2-基)呋喃-2-甲酰胺)。白色固体,99%产率,94%对映体过量值,对映体过量值通过高效液相色谱的方法测定(测试条件:IA手性柱,正己烷/异丙醇=90/10,流速=1.0mL/min,波长=254nm,tminor=18.32min,tmajor=22.48min)。
1H NMR(500MHz,DMSO):δ9.91(s,1H),8.85(s,1H),8.15(d,J=8.8Hz,1H),7.97(dd,J=12.4,8.5Hz,2H),7.81–7.78(m,1H),7.50–7.33(m,4H),7.19–7.10(m,3H),6.99(td,J=7.4,1.1Hz,1H),6.65(dd,J=3.5,1.8Hz,1H).13C NMR(126MHz,DMSO):δ156.1,155.3,147.6,146.2,133.0,132.8,132.6,131.4,130.3,128.3,128.2,127.7,126.7,126.1,125.5,122.8,121.9,119.9,116.5,115.4,112.9.HRMS(ESI+):计算值[M+Na]+:352.0944,实测值:352.0942。
实施例7
合成方法与实施例1基本相同,不同之处为:6-(3-bromophenyl)benzo[f]naphtho[2,1-d][1,3]oxazepine(6-(3-溴苯基)苯并[f]萘并[2,1-d][1,3]氧氮杂)。
得到目标产物(R)-3-溴-N-(1-(2-羟基苯基)萘-2-基)苯甲酰胺)3a。白色固体,99%产率,96%对映体过量值,对映体过量值通过高效液相色谱的方法测定(测试条件:IA手性柱,正己烷/异丙醇=90/10,流速=1.0mL/min,波长=254nm,tminor=17.32min,tmajor=20.6min)。
1H NMR(500MHz,DMSO):δ9.64(s,1H),9.50(s,1H),7.98(d,J=8.5Hz,2H),7.84-7.78(m,2H),7.73(d,J=8.0Hz,1H),7.67(d,J=7.7Hz,1H),7.45(dt,J=24.3,8.7Hz,4H),7.29(d,J=7.9Hz,1H),7.15(d,J=7.6Hz,1H),7.06(d,J=8.2Hz,1H),6.93(t,J=7.7Hz,1H).13C NMR(126MHz,DMSO-d6):δ164.5,155.4,137.3,134.6,133.6,132.7,132.5,131.9,131.1,131.1,130.5,129.8,128.3,128.0,126.7,126.5,126.5,125.8,125.5,122.8,122.1,119.4,116.2.HRMS(ESI+):计算值[M+H]+:418.0437,实测值:418.0434。
实施例8
合成方法与实施例1基本相同,不同之处为:6-(3-chlorophenyl)benzo[f]naphtho[2,1-d][1,3]oxazepine(6-(3-氯苯基)苯并[f]萘并[2,1-d][1,3]氧氮杂)。
得到目标产物((R)-3-氯-N-(1-(2-羟基苯基)萘-2-基)苯甲酰胺)3a。白色固体,99%产率,94%对映体过量值,对映体过量值通过高效液相色谱的方法测定(测试条件:IA手性柱,正己烷/异丙醇=90/10,流速=1.0mL/min,波长=254nm,tminor=15.95min,tmajor=18.92min)。
1H NMR(500MHz,DMSO):1H NMR(500MHz,DMSO)δ9.64(s,1H),9.50(s,1H),7.98(d,J=8.4Hz,2H),7.82(d,J=8.8Hz,1H),7.69–7.57(m,3H),7.52–7.40(m,4H),7.29(td,J=7.7,1.7Hz,1H),7.15(dd,J=7.6,1.8Hz,1H),7.05(d,J=8.1Hz,1H),6.95–6.89(m,1H).13CNMR(126MHz,DMSO):δ164.5,155.4,137.1,133.6,133.6,132.7,132.5,131.9,131.7,131.0,130.9,129.8,128.3,127.9,127.6,126.5,126.5,126.3,125.7,125.5,122.7,119.4,116.2.HRMS(ESI+):计算值[M+H]+:374.0942,实测值:374.0940。
实施例9
合成方法与实施例1基本相同,不同之处为:6-(2-chlorophenyl)benzo[f]naphtho[2,1-d][1,3]oxazepine(6-(2-氯苯基)苯并[f]萘并[2,1-d][1,3]氧氮杂)。
得到目标产物((R)-2-氯-N-(1-(2-羟基苯基)萘-2-基)苯甲酰胺)3a。白色固体,99%产率,94%对映体过量值,对映体过量值通过高效液相色谱的方法测定(测试条件:IA手性柱,正己烷/异丙醇=90/10,流速=1.0mL/min,波长=254nm,tminor=23.27min,tmajor=26.48min)。
1H NMR(500MHz,DMSO)δ9.51(s,1H),9.44(s,1H),7.98(t,J=8.1Hz,2H),7.90(d,J=8.8Hz,1H),7.52–7.39(m,5H),7.34(dq,J=17.3,8.6,8.0Hz,3H),7.15(d,J=7.5Hz,1H),7.04(d,J=8.2Hz,1H),6.96(t,J=7.5Hz,1H).13C NMR(126MHz,DMSO):δ165.4,155.6,136.7,133.4,132.8,132.5,131.8,131.6,130.7,130.3,130.1,129.8,129.5,128.2,128.0,127.5,126.5,126.4,125.7,125.1,122.7,119.5,116.1.HRMS(ESI+):计算值[M+H]+:374.0942,实测值:374.0940。
实施例10
合成方法与实施例1基本相同,不同之处为:6-(4-chlorophenyl)-3-methoxybenzo[f]naphtho[2,1-d][1,3]oxazepine(6-(4-氯苯基)-3-甲氧基苯并[f]萘并[2,1-d][1,3]氧氮杂)。
得到目标产物((R)-4-氯-N-(1-(2-羟基-4-甲氧基苯基)萘-2-基)苯甲酰胺)3a。白色固体,93%产率,96%对映体过量值,对映体过量值通过高效液相色谱的方法测定(测试条件:IA手性柱,正己烷/异丙醇=90/10,流速=1.0mL/min,波长=254nm,tminor=22.41min,tmajor=27.59min).
1H NMR(500MHz,DMSO):δ9.74(s,1H),9.36(s,1H),7.95(d,J=8.7Hz,2H),7.87(d,J=8.9Hz,1H),7.73(d,J=8.1Hz,2H),7.55(d,J=8.1Hz,2H),7.52 -7.39(m,3H),7.06(d,J=8.3Hz,1H),6.62(s,1H),6.58 -6.48(m,1H),3.76(s,3H).13C NMR(126MHz,DMSO):δ164.6,160.6,156.3,136.8,133.9,133.8,133.1,133.1,131.8,130.1,129.5,129.0,128.2,127.7,126.5,126.4,125.6,125.0,115.1,105.3,101.9,55.4.HRMS(ESI+):计算值[M+Na]+:426.0867,实测值:426.0864。
实施例11
合成方法与实施例1基本相同,不同之处为:6-(4-chlorophenyl)anthra[2,1-d]benzo[f][1,3]oxazepine(6-(4-氯苯基)蒽[2,1-d]苯并[f][1,3]氧氮杂)。
得到目标产物((R)-4-氯-N-(1-(2-羟基苯基)蒽-2-基)苯甲酰胺)3a。白色固体,93%产率,96%对映体过量值,对映体过量值通过高效液相色谱的方法测定(测试条件:IA手性柱,正己烷/异丙醇=90/10,流速=1.0mL/min,波长=254nm,tminor=19.49min,tmajor=22.99min)。
1H NMR(500MHz,DMSO):δ9.74(s,1H),9.46(s,1H),8.64(s,1H),8.15(d,J=9.1Hz,1H),8.12 -8.03(m,2H),7.87(dd,J=16.3,8.7Hz,2H),7.72(d,J=8.1Hz,2H),7.58-7.42(m,4H),7.35(t,J=7.8Hz,1H),7.24(d,J=7.5Hz,1H),7.11(d,J=8.2Hz,1H),6.98(t,J=7.4Hz,1H).13C NMR(126MHz,DMSO):δ164.8,155.5,136.9,133.7,133.1,132.6,131.6,131.2,131.1,130.3,130.0,129.9,129.6,129.0,128.6,128.3,128.2,126.7,126.2,126.0,125.6,124.9,122.8,119.7,116.5.HRMS(ESI+):计算值[M+Na]+:446.0918,实测值:446.0915。
实施例12
合成方法与实施例1基本相同,不同之处为:6-(4-chlorophenyl)-3-methoxybenzo[f]naphtho[2,1-d][1,3]oxazepine(6-(4-氯苯基)-3-甲氧基苯并[f]萘并[2,1-d][1,3]氧氮杂)。
得到目标产物((R)-4-氯-N-(1-(2-羟基-3-甲氧基苯基)萘-2-基)苯甲酰胺)3a。白色固体,96%产率,98%对映体过量值,对映体过量值通过高效液相色谱的方法测定(测试条件:IA手性柱,正己烷/异丙醇=90/10,流速=1.0mL/min,波长=254nm,tminor=30.59min,tmajor=51.91min)。
1H NMR(500MHz,DMSO):δ9.35(s,1H),8.83(s,1H),7.97(dd,J=8.5,3.2Hz,2H),7.86(d,J=8.8Hz,1H),7.69(dd,J=8.6,2.3Hz,2H),7.54-7.45(m,3H),7.42(d,J=4.5Hz,2H),7.06(dd,J=8.2,1.5Hz,1H),6.89(t,J=7.9Hz,1H),6.77 -6.72(m,1H),3.87(s,3H).13C NMR(126MHz,DMSO):δ164.8,148.3,144.5,136.8,133.8,133.6,132.6,131.7,130.2,129.5,129.0,128.2,128.0,126.5,126.5,125.7,125.1,123.9,123.0,119.4,111.9,56.3。HRMS(ESI+):计算值[M+Na]+:426.0867,实测值:426.0867。
实施例13
合成方法与实施例1基本相同,不同之处为:6-(4-chlorophenyl)-12-methoxybenzo[f]naphtho[2,1-d][1,3]oxazepine(6-(4-氯苯基)-12-甲氧基苯并[f]萘并[2,1-d][1,3]氧氮杂)。
得到目标产物((R)-4-氯-N-(1-(2-羟基苯基)-7-甲氧基萘-2-基)苯甲酰胺)3a。白色固体,99%产率,92%对映体过量值,对映体过量值通过高效液相色谱的方法测定(测试条件:IA手性柱,正己烷/异丙醇=90/10,流速=1.0mL/min,波长=254nm,tminor=10.76min,tmajor=12.32min)。
1H NMR(500MHz,DMSO):δ9.69(s,1H),9.35(s,1H),7.90(dd,J=8.9,4.1Hz,2H),7.69(t,J=9.2Hz,3H),7.52(d,J=8.2Hz,2H),7.28(t,J=7.6Hz,1H),7.20 -7.14(m,2H),7.05(d,J=8.1Hz,1H),6.92(t,J=7.4Hz,1H),6.79(d,J=2.6Hz,1H),3.64(s,3H).13C NMR(126MHz,DMSO):δ164.6,157.7,155.2,136.8,134.2,134.1,133.8,132.5,130.01,129.8,129.5,129.4,129.0,127.7,127.3,122.8,122.7,119.6,117.5,116.3,105.6,55.2.HRMS(ESI+):计算值[M+Na]+:426.0867,实测值:426.0865。
实施例14
合成方法与实施例1基本相同,不同之处为:6-(4-chlorophenyl)-11-methoxybenzo[f]naphtho[2,1-d][1,3]oxazepine(6-(4-氯苯基)-11甲氧基苯并[f]萘并[2,1-d][1,3]氧氮杂)。
得到目标产物((R)-4-氯-N-(1-(2-羟基苯基)-6-甲氧基萘-2-基)苯甲酰胺)3a。白色固体,99%产率,92%对映体过量值,对映体过量值通过高效液相色谱的方法测定(测试条件:IA手性柱,正己烷/异丙醇=90/10,流速=1.0mL/min,波长=254nm,tminor=28.61min,tmajor=38.85min)。
1H NMR(500MHz,DMSO):δ9.65(s,1H),9.41(s,1H),7.87(d,J=8.8Hz,1H),7.74(d,J=8.8Hz,1H),7.69(d,J=8.2Hz,2H),7.52(d,J=8.4Hz,2H),7.39(d,J=2.6Hz,1H),7.36(d,J=9.2Hz,1H),7.27(td,J=7.7,1.7Hz,1H),7.13(d,J=7.5Hz,1H),7.10(dd,J=9.2,2.6Hz,1H),7.03(d,J=8.1Hz,1H),6.89(t,J=7.4Hz,1H),3.89(s,3H).13C NMR(126MHz,DMSO):δ164.8,157.3,155.3,136.7,133.8,133.3,132.4,131.6,131.3,129.7,129.5,128.9,128.1,128.0,126.8,126.1,123.0,119.43,118.96,116.2,106.5,55.6.HRMS(ESI+):计算值[M+H]+:404.1048,实测值:404.1044。
在不冲突的情况下,本文中上述实施例及实施例中的特征可以相互结合。
以上所述仅为本发明的较佳实施例,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (10)

1.一种NOBIN类轴手性联芳基化合物的合成方法,其特征在于,在溶剂中通过手性磷酸化合物2催化1,3-氧氮杂桥联联芳基化合物1与水的对映选择性加成反应,制得NOBIN类轴手性联芳基化合物3,该合成方法的反应方程式为:
所述手性磷酸化合物的结构式如下:
其中,R1,R2,R3均选自烷基、卤素、硝基或芳基;R为对-金刚烷基苯基。
2.如权利要求1所述的合成方法,其特征在于,所述1,3-氧氮杂桥联联芳基化合物与水的摩尔比为1:2.8。
3.如权利要求2所述的合成方法,其特征在于,所述1,3-氧氮杂桥联联芳基化合物与所述手性磷酸化合物的摩尔比为1:0.1。
4.如权利要求3所述的合成方法,其特征在于,所述溶剂为无水环己烷。
5.如权利要求4所述的合成方法,其特征在于,所述无水环己烷与所述1,3-氧氮杂桥联联芳基化合物体积摩尔比为2mL:0.1mmol。
6.如权利要求5所述的合成方法,其特征在于,所述合成方法的反应条件:温度为20℃~25℃,反应时间为1~7d。
7.如权利要求6所述的合成方法,其特征在于,所述合成方法制得的制得NOBIN类轴手性联芳基化合物为白色固体。
8.如权利要求6所述的合成方法,其特征在于,所述NOBIN类轴手性联芳基化合物的收率不低于98%。
9.一种NOBIN类轴手性联芳基化合物,其特征在于,采用如权利要求1-8中任一项所述的合成方法制得。
10.如权利要求9所述的一种NOBIN类轴手性联芳基化合物,其特征在于,所述NOBIN类轴手性联芳基化合物的对应体过量值不低于90%。
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CN109535018A (zh) * 2018-12-10 2019-03-29 南方科技大学 一种手性磷酸盐催化合成联萘酚胺的方法
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