CN111362832B - 环丙烷类化合物及其制备方法和应用 - Google Patents

环丙烷类化合物及其制备方法和应用 Download PDF

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CN111362832B
CN111362832B CN201811602169.9A CN201811602169A CN111362832B CN 111362832 B CN111362832 B CN 111362832B CN 201811602169 A CN201811602169 A CN 201811602169A CN 111362832 B CN111362832 B CN 111362832B
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侯雪龙
张高鹏
江阳杰
丁昌华
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Abstract

本发明公开了一种环丙烷类化合物及其制备方法和应用。本发明如式I所示的环丙烷类化合物的制备方法具有底物适用广,能够简单、高效地得到多种类型的环丙烷类化合物。本发明如式I所示的环丙烷类化合物可用来制备环丙烷伯胺类化合物、环丙烷酮类化合物或者环内酰胺类化合物。

Description

环丙烷类化合物及其制备方法和应用
技术领域
本发明涉及一种环丙烷类化合物及其制备方法和应用。
背景技术
环丙烷类化合物广泛存在于多种天然产物和药物分子中(Chem.Soc.Rev.1978,7,473.;Tetrahedron 2001,57,8589.;Chem.Rev.2003,103,1625.;Chem.Rev.2007,107,4493.)。目前,该类化合物的制备方法主要为,在钯催化下,亲核试剂与烯丙基底物进行反应。上述方法是构建此类化合物的一种行之有效的方法。但是,现有的成熟的反应体系较少,底物适用性窄,故其应用也受到了限制。因此,开发一种新型、简便、应用面广的方法合成环丙烷化合物具有重要的工业意义。
现有技术中,一般采用含有α-H的酯、酮或者酰胺等羧酸衍生物与烯丙基化合物进行反应制备环丙烷化合物(J.Am.Chem.Soc.1998,120,10391.;Tetrahedron Lett.1999,40,3597.;J.Am.Chem.Soc.2009,131,8734.;J.Org.Chem.2014,79,12010.;AsianJ.Org.Chem.2017,6,1769.)。文献(Angew.Chem.,Int.Ed.Engl.1992,31,234.)报道了2-丙氰与金属络合物来制备氰基环丙烷化合物,其中得到的产物中苯基位于环丙烷的同侧;但是含有氰基的底物适用性窄,另一底物还需为金属络合物1,而且合成步骤较多,反应效率不高,生产成本较大。其反应过程如下:
Figure BDA0001922764570000011
在现有的方法中,烯丙基化合物多为芳基或者烯基取代烯丙基化合物,种类单一。
鉴于环丙烷类化合物的重要性,亟须开发一种底物适用性广、合成步骤少、反应收率高的环丙烷类化合物制备方法,从而高效制备结构类型多样化的环丙烷类化合物。
发明内容
本发明所要解决的技术问题是为了克服现有技术中钯催化环丙烷化反应中反应体系复杂、产物结构单一、生产成本大和收率不高等缺陷,而提供了一种如式I所示的环丙烷类化合物及其制备方法和应用。本发明如式I所示的环丙烷类化合物的制备方法具有底物适用广、反应条件温和后处理简单,能够简单、高效地得到多种类型的环丙烷类化合物。本发明如式I所示的环丙烷类化合物可用来制备环丙烷伯胺类化合物、环丙烷酮类化合物或者环内酰胺类化合物。
本发明通过以下技术方案解决上述技术问题。
本发明提供了一种如式I所示的环丙烷类化合物,
Figure BDA0001922764570000021
其中,R1和R2独立地为直链C1-10烷基、R1-1取代的直链C1-10烷基、支链C3-10烷基、R1-2取代的支链C3-10烷基、C3-10环烷基、R1-3取代的C3-10环烷基、C3-10杂环烷基、或、R1-4取代的C3-10杂环烷基;所述C3-10杂环烷基为杂原子选自N、O和S中一种或多种,杂原子数为1~4个的C3-10杂环烷基;所述R1-4取代的C3-10杂环烷基中的C3-10杂环烷基为杂原子选自N、O和S中一种或多种,杂原子数为1~4个的C3-10杂环烷基;
R1-1和R1-2独立地为卤素或羟基;R1-3和R1-4独立地为卤素、羟基、直链C1-10烷基、支链C3-10烷基或C1-10烷氧基;
或者,R1、R2及与它们相连的碳一起形成C3-10环烷基、R2-1取代的C3-10环烷基、C3-10杂环烷基、或、R2-2取代的C3-10杂环烷基;所述C3-10杂环烷基为杂原子选自N、O和S中一种或多种,杂原子数为1~4个的C3-10杂环烷基;所述R2-2取代的C3-10杂环烷基中的C3-10杂环烷基为杂原子选自N、O和S中一种或多种,杂原子数为1~4个的C3-10杂环烷基;
R2-1和R2-2独立地为卤素、羟基、直链C1-10烷基、支链C3-10烷基、C1-10烷氧基、氨基或
Figure BDA0001922764570000022
其中R2m为C1-4烷基;
R3为C1-10烷氧基、C6-30芳基、R3-1取代的C6-30芳基、C3-30杂芳基、R3-2取代的C3-30杂芳基、C2-10炔基、R3-3取代的C2-10炔基、
Figure BDA0001922764570000023
所述C3-30杂芳基为杂原子选自N、O和S中一种或多种,杂原子数为1~4个的C3-30杂芳基;所述R3-2取代的C3-30杂芳基中的C3-30杂芳基为杂原子选自N、O和S中一种或多种,杂原子数为1~4个的C3-30杂芳基;
R3-1和R3-2独立地为直链C1-10烷基、支链C3-10烷基、C1-10烷氧基、卤素、硝基或氰基;R3-3独立地为卤素、C2-10烯基、C1-10烷氧基、C6-30芳基、苯氧基或R3-3-1取代的C6-30芳基;R3-4独立地为C6-30芳基、或、R3-4-1取代的C6-30芳基;R3-5a、R3-5b和R3-5c独立地为直链C1-10烷基或支链C3-10烷基;
R3-3-1和R3-4-1独立地为直链C1-10烷基、支链C3-10烷基、C1-10烷氧基或卤素;
R1-1、R1-2、R1-3、R1-4、R2-1、R2-2、R3-1、R3-2、R3-3、R3-3-1和R3-4-1的个数独立地为1个或多个;当R1-1、R1-2、R1-3、R1-4、R2-1、R2-2、R3-1、R3-2、R3-3、R3-3-1和R3-4-1的个数独立地为多个时,R1-1、R1-2、R1-3、R1-4、R2-1、R2-2、R3-1、R3-2、R3-3、R3-3-1和R3-4-1独立地相同或不同。
所述如式I所示的环丙烷类化合物可为如下所示:
Figure BDA0001922764570000031
R1和R2中,所述直链C1-10烷基优选直链C1-6烷基,更优选直链C1-3烷基。所述直链C1-3烷基为甲基、乙基或正丙基,优选甲基或乙基。
R1和R2中,所述R1-1取代的直链C1-10烷基中的直链C1-10烷基优选直链C1-6烷基,更优选直链C1-3烷基。
R1和R2中,所述支链C3-10烷基和R1-2取代的支链C3-10烷基中的支链C3-10烷基独立地优选支链C3-6烷基。
R1和R2中,所述C3-10环烷基优选C4-10环烷基,更优选C4-7环烷基。所述C4-7环烷基进一步优选环丁基、环戊基、环己基或环庚基,优选环己基或环庚基。
R1和R2中,所述R2-1取代的C3-10环烷基中的C3-10环烷基优选C4-10环烷基,更优选C4-7环烷基。
R1和R2中,所述C3-10杂环烷基和所述R1-4取代的C3-10杂环烷基中的C3-10杂环烷基独立地优选C4-10杂环烷基,更优选C4-6杂环烷基。
当R1为直链C1-10烷基、R1-1取代的直链C1-10烷基、支链C3-10烷基或R1-2取代的支链C3-10烷基时,R1和R2相同。
当R1、R2及与它们相连的碳一起形成C3-10环烷基时,所述C3-10环烷基优选C4-10环烷基,更优选C4-7环烷基。
当R1、R2及与它们相连的碳一起形成C3-10杂环烷基时,所述C3-10杂环烷基优选C4-10杂环烷基,更优选C4-6杂环烷基,进一步优选杂环己基。
当R1、R2及与它们相连的碳一起形成C3-10杂环烷基时,所述C3-10杂环烷基中的杂原子优选O和/或N,更优选O。
当R1、R2及与它们相连的碳一起形成C3-10杂环烷基时,所述C3-10杂环烷基中的杂原子的个数优选1个或2个,更优选1个。当所述杂原子为多个时,杂原子可相同或不同。
当R1、R2及与它们相连的碳一起形成R2-2取代的C3-10杂环烷基时,所述R2-2取代的C3-10杂环烷基中的C3-10杂环烷基优选C4-10杂环烷基,更优选C4-6杂环烷基,进一步优选杂环己基。
当R1、R2及与它们相连的碳一起形成R2-2取代的C3-10杂环烷基时,所述R2-2取代的C3-10杂环烷基中的杂原子优选O和/或N,更优选N。
当R1、R2及与它们相连的碳一起形成R2-2取代的C3-10杂环烷基时,所述R2-2取代的C3-10杂环烷基中的杂原子的个数为1或2,更优选1。当所述杂原子为多个时,杂原子可相同或不同。
当R1、R2及与它们相连的碳一起形成R2-2取代的C3-10杂环烷基时,所述R2-2取代的C3-10杂环烷基中的C3-10杂环烷基优选C4-10杂环烷基,优选的C4-6杂环烷基,进一步哌啶基。
当R1、R2及与它们相连的碳一起形成R2-2取代的C3-10杂环烷基时,所述R2-2独立地优选卤素、直链C1-10烷基、支链C3-10烷基、C1-10烷氧基或
Figure BDA0001922764570000041
更优选
Figure BDA0001922764570000042
R2m中,所述的C1-4烷基优选甲基、乙基、正丙基、异丙基、正丁基、异丁基或叔丁基,优选叔丁基。
当R1、R2及与它们相连的碳一起形成R2-2取代的C3-10杂环烷基时,所述R2-2的个数优选1、2或3,更优选1。当所述R2-2为多个时,R2-2可相同或不同。
R1、R2及与它们相连的碳一起形成R2-2取代的C3-10杂环烷基,所述R2-2取代的C3-10杂环烷基优选“卤素、直链C1-10烷基、支链C3-10烷基、C1-10烷氧基或
Figure BDA0001922764570000043
个数为1个、2个或3个”取代的“杂原子为O或N,个数为1或2个”的C4-10杂环烷基,更优选“
Figure BDA0001922764570000044
个数为1”取代的“杂原子为N,个数为1”的C4-6杂环烷基,进一步优选
Figure BDA0001922764570000045
R3中,所述C6-30芳基和所述R3-1取代的C6-30芳基中的C6-30芳基独立地可为C6-14芳基,优选C6-10芳基,进一步优选苯基或萘基。
R3中,所述R3-1取代的C6-30芳基中的R3-1独立地优选卤素、直链C1-10烷基、支链C3-10烷基或C1-10烷氧基,优选直链C1-10烷基。
R3中,所述R3-1取代的C6-30芳基中的R3-1的个数优选1、2或3个,更优选1个。当所述R3-1为多个时,所述R3-1相同或不同。
R3中,所述R3-1取代的C6-30芳基中的R3-1取代位置优选“芳基与其它基团连接位点”的邻位和/或对位,更优选对位。
R3中,所述R3-1取代的C6-30芳基优选“卤素、直链C1-10烷基、支链C3-10烷基或C1-10烷氧基,个数为1、2或3个,“芳基与其它基团连接位点”的邻位和/或对位”取代的C6-14芳基,更优选“直链C1-10烷基,个数为1个,对位”取代的C6-10芳基,进一步优选
Figure BDA0001922764570000051
R3-1中,所述直链C1-10烷基优选直链C1-6烷基,更优选直链C1-3烷基,进一步优选甲基。
R3-1中,所述支链C3-10烷基优选支链C3-6烷基,更优选支链C3-4烷基,进一步优选异丙基。
R3-1中,所述C1-10烷氧基优选C1-6烷氧基,更优选C1-3烷氧基,进一步优选甲氧基。
R3中,所述C3-30杂芳基优选C6-14杂芳基,更优选C6-10杂芳基。
R3中,所述C3-30杂芳基中的杂原子的种类优选N和/或O,更优选O。
R3中,所述C3-30杂芳基中的杂原子的个数优选1或2,更优选1。当所述杂原子的个数为多个时,杂原子可相同或不同。
R3中,所述C3-30杂芳基优选“杂原子为N或O,个数为1或2个”的C3-14杂芳基,更优选“杂原子为O,个数为1个”的C3-10杂芳基,进一步优选
Figure BDA0001922764570000052
R3中,所述C2-10炔基优选C2-7炔基,更优选C4-7炔基,进一步优选
Figure BDA0001922764570000053
Figure BDA0001922764570000054
R3中,所述R3-3取代的C2-10炔基中C2-10炔基优选C2-7炔基,更优选C2-5炔基,进一步优选乙炔基、丙炔基、丁炔基或戊炔基。
R3中,所述R3-3取代的C2-10炔基中的R3-3优选卤素、C2-10烯基、C6-30芳基或苯氧基,更优选卤素或C2-10烯基。
R3中,所述R3-3取代的C2-10炔基中的R3-3的个数为1、2或3,优选1个。当所述R3-3的个数为多个时,R3-3可相同或不同。
R3中,所述R3-3取代的C2-10炔基优选“卤素、C2-10烯基、C6-30芳基或苯氧基,个数为1、2或3个”取代的C2-7炔基,更优选“卤素或C2-10烯基,个数为1个”取代的C2-5炔基,进一步优选
Figure BDA0001922764570000055
R3-3中,所述卤素优选F、Cl、Br或I,更优选Cl。
R3-3中,所述C2-10烯基优选C2-6烯基,更优选C2-3烯基,进一步优选乙烯基。
R3-3中,所述C6-30芳基优选C6-14芳基,更优选C6-10芳基,进一步优选苯基。
R3-4中,所述C6-30芳基优选C6-14芳基,更优选C6-10芳基,进一步优选苯基。
R3-5a、R3-5b和R3-5c中,所述直链C1-10烷基独立地优选直链C1-6烷基,优选直链C1-3烷基,进一步优选甲基。
在某一技术方案中,R1和R2独立地优选C1-10烷基或C3-10环烷基,更优C1-10烷基。
在某一技术方案中,R1和R2独立优选甲基、乙基或环己基,更优选甲基或乙基。
在某一技术方案中,R1、R2及与它们相连的碳一起形成C3-10环烷基、C3-10杂环烷基或R2-2取代的C3-10杂环烷基,更优选R1、R2及与它们相连的碳一起形成C3-10环烷基,最优选R1、R2及与它们相连的碳一起形成C4-7环烷基。
在某一技术方案中,R1、R2及与它们相连的碳一起形成
Figure BDA0001922764570000061
Figure BDA0001922764570000062
优选,R1、R2及与它们相连的碳一起形成
Figure BDA0001922764570000063
Figure BDA0001922764570000064
在某一技术方案中,R3为C6-30芳基、R3-1取代的C6-30芳基、C3-30杂芳基、C2-10炔基、R3-3取代的C2-10炔基、
Figure BDA0001922764570000065
优选C6-30芳基、R3-1取代的C6-30芳基、C3-30杂芳基、C2-10炔基或R3-3取代的C2-10炔基。
在某一技术方案中,R3
Figure BDA0001922764570000066
Figure BDA0001922764570000067
优选
Figure BDA0001922764570000068
Figure BDA0001922764570000071
更优选
Figure BDA0001922764570000072
在某一技术方案中,R1和R2独立地为C1-10烷基或C3-10环烷基;或者,R1、R2及与它们相连的碳一起形成C3-10环烷基、C3-10杂环烷基或R2-2取代的C3-10杂环烷基;
和,R3为C6-30芳基、R3-1取代的C6-30芳基、C3-30杂芳基、C2-10炔基、R3-3取代的C2-10炔基、
Figure BDA0001922764570000073
在某一技术方案中,R1和R2为C1-10烷基,或者R1、R2及与它们相连的碳一起形成C3-10环烷基;
和,R3为C6-30芳基、R3-1取代的C6-30芳基、C3-30杂芳基、C2-10炔基或R3-3取代的C2-10炔基。
在某一技术方案中,所述如式I所示的环丙烷类化合物为如下化合物:
Figure BDA0001922764570000074
Figure BDA0001922764570000081
Figure BDA0001922764570000091
Figure BDA0001922764570000101
本发明还提供了一种如上如式I所示的环丙烷类化合物的制备方法,其包括以下步骤:在保护气体的存在中,在碱性试剂、氮杂环卡宾配体与钯催化剂存在下,将化合物A与化合物B在有机溶剂中进行如下式反应,得到如式I所示的环丙烷类化合物,即可;
Figure BDA0001922764570000102
其中,M+为K+、Na+或Li+
其中,所述保护气体可为本领域常规的保护气体,优选氖气、氩气、氪气、氙气和氡气中的一种或多种,更优选氮气和/或氩气。
其中,所述碱性试剂可为本领域常规碱性试剂,优选六甲基二硅基胺基锂、六甲基二硅基胺基钠、二异丙基氨基锂、碱金属醇盐和碱金属碳酸盐一种或多种,更优选六甲基二硅基胺基锂或/或碱金属醇盐。所述碱金属醇盐可为RaONa、RbOK、RcOLi中的一种或多种,其中,Ra、Rb和Rc独立地为C1-4烷基;优选叔丁基。所述RaONa优选叔丁醇钠。所述RbOK优选叔丁醇钾。所述RcOLi优选叔丁醇锂。所述碱金属碳酸盐优选碳酸铯和/或碳酸钾。
其中,所述氮杂环卡宾配体可为本领域常规氮杂环卡宾配体,优选非手性氮杂环卡宾配体和/或手性氮杂环卡宾配体。所述非手性氮杂环卡宾配体可为
Figure BDA0001922764570000111
中一种或多种,其中,X1、X2和X3独立地为卤素、OTf或BF4;Rd1、Rd2、Rd3、Rd4、Rd5、Re1、Re2、Re3、Re4、Re5、Rf1、Rf2、Rf3、Rf4、Rf5、Rs1、Rs2、Rs3、Rs4和Rs5独立地为H、C1-10烷基
Figure BDA0001922764570000112
Ad为金刚烷基。所述卤素可为F、Cl、Br或I,优选Cl。所述C1-10烷基可为C1-6烷基,优选C1-4烷基。所述C1-4烷基可为甲基、乙基、丙基、异丙基、正丁基、异丁基或叔丁基,优选甲基或异丙基。
所述非手性氮杂环卡宾配体优选
Figure BDA0001922764570000113
Figure BDA0001922764570000114
Figure BDA0001922764570000115
中一种或多种,更优选
Figure BDA0001922764570000116
其中,所述手性氮杂环卡宾配体可为
Figure BDA0001922764570000117
Figure BDA0001922764570000118
中一种或多种,其中,X4、X5、和X6独立地为卤素、OTf或BF4;Rm1、Rm2、Rm3、Rm4、Rm5、Rn1、Rn2、Rn3、Rn4、Rn5、Ro1、Ro2、Ro3、Rq1、Rq2或Rq3独立地为H、C1-10烷基、
Figure BDA0001922764570000119
所述卤素可为F、Cl、Br或I,优选Cl。所述C1-10烷基可为C1-6烷基,优选C1-4烷基。所述C1-4烷基可为甲基、乙基、丙基、异丙基、正丁基、异丁基或叔丁基,优选甲基。
所述手性氮杂环卡宾配体优选
Figure BDA0001922764570000121
Figure BDA0001922764570000122
Figure BDA0001922764570000123
中一种或多种,优选
Figure BDA0001922764570000124
其中,所述钯催化剂可为金属钯和/或钯络合物,优选钯络合物。所述钯络合物可为氯化烯丙基钯(II)二聚物、双二亚苄基丙酮钯、醋酸钯和氯化钯中的一种或多种,优选氯化烯丙基钯(II)二聚物。
其中,所述有机溶剂可为本领域此类反应种常规有机溶剂,优选醚类溶剂、芳烃类溶剂和烷烃类溶剂中的一种或多种。所述的醚类溶剂可为四氢呋喃、乙二醇二甲醚、乙醚和二氧六环中的一种或多种;优选四氢呋喃。所述的芳烃类溶剂可为甲苯。所述的烷烃类溶剂可为正己烷和/或环己烷;优选正己烷。
其中,所述碱性试剂与所述化合物B的摩尔比值可为本领域此类反应中的常规比值,优选0.1~0.5,优选0.1~0.2,例如0.125。
其中,所述氮杂环卡宾配体与所述化合物B的摩尔比值可为0.01-0.10,优选0.02~0.08,例如0.05。
其中,所述钯催化剂与所述化合物B的摩尔比值可为0.005~0.1,优选0.01~0.04,例如0.025。
其中,所述化合物A与所述的化合物B的摩尔比值可为1~5;优选2~5。
其中,所述有机溶剂的用量可不做具体限定,只要能够溶解底物,不影响反应即可。所述有机溶剂的体积与所述的化合物B的摩尔的体积摩尔比,优选10~20ml/mmol,例如14ml/mmol。
其中,所述化合物A优选
Figure BDA0001922764570000131
的形式进行反应。
其中,所述化合物A优选
Figure BDA0001922764570000132
Figure BDA0001922764570000133
其中,所述化合物B优选
Figure BDA0001922764570000134
Figure BDA0001922764570000135
其中,所述反应的温度可为本领域此类反应的常规温度。优选-30℃~50℃,更优选-30℃~40℃。
所述反应的进程可采用本领域中的常规监测方法(例如TLC、或LC-MS)进行监测,一般以所述化合物B不再反应或消失为反应终点。所述反应时间可为1~50h,优选5~48h,例如12h。
所述反应结束后,还可包括下述后处理步骤:淬灭、浓缩和柱层析。所述淬灭的方法可为本领域此类反应的常规的淬灭方法。优选通过加入淬灭剂的方式进行淬灭。所述淬灭剂可为本领域常规的淬灭剂。优选水。所述浓缩的条件和操作可为本领域常规的条件和操作,优选减压浓缩。所述柱层析的洗脱剂可为本领域常规的洗脱剂,优选石油醚和乙酸乙酯。
在某一优选技术方案中,当所述述氮杂环卡宾配体为非手性氮杂环卡宾配体为时,所述如式I所示的环丙烷类化合物的制备方法,得到产物I-A1和产物I-A2;其中,所述产物I-A1与所述产物I-A2的摩尔比值为1:1;
Figure BDA0001922764570000141
在某一优选技术方案中,当所述述氮杂环卡宾配体为手性氮杂环卡宾配体为时,所述如式I所示的环丙烷类化合物的制备方法,得到产物I-A1和产物I-A2;其中,所述产物I-A1与所述产物I-A2的摩尔比值大于1;
Figure BDA0001922764570000142
在某一优选技术方案中,所述如式I所示的环丙烷类化合物的制备方法,还可包括以下步骤:步骤一:将所述的碱性试剂、所述氮杂环卡宾配体、所述钯催化剂、所述化合物B以及所述有机溶剂进行混合得到混合溶液;步骤二:将所述化合物A在步骤一得到的混合溶液中进行反应,得到如式I所示的环丙烷类化合物,即可。
本发明中,如式I所示的环丙烷类化合物的制备方法,还包括以下步骤:在卤化银作用下,将化合物C和碱性试剂在有机溶剂中进行如下反应,得到所述化合物A,即可;
Figure BDA0001922764570000143
其中,R1、R2和M+定义均如前所述。
所述碱性试剂可为本领域该类反应的常规用碱性试剂,优选为碱金属盐。所述碱金属盐可为钠/液氨、氨基钠、二异丙基氨基锂、氢钠、三苯基甲基钠、叔丁醇钠、乙醇钠、叔丁醇钾或六甲基二硅基胺基锂中的一种或多种;更优选六甲基二硅基胺基锂。
所述卤化银可为溴化银、氯化银和碘化银中一种或多种,优选溴化银。
所述有机溶剂如上所述。
所述碱性试剂与所述化合物C的摩尔比值,可为1~5;优选2~4,例如2。
所述卤化银与所述化合物C的摩尔比值,可为0.1~0.5,优选0.125~0.25,例如0.125,又例如0.25。
所述如式I所示的环丙烷类化合物的制备方法中所述化合物A,可不经过后处理直接应用于所述的化合物I的制备。
本发明还提供了一种如式A所示化合物:
Figure BDA0001922764570000151
其中,R1、R2和M+定义均如前所述。
本发明还提供了一种所述如式I所示的环丙烷类化合物,在制备如式D所示的伯胺类化合物中的应用,
Figure BDA0001922764570000152
所述应用,优选包括所述如D所示的伯胺类化合物的制备方法,其包括以下步骤:在还原剂作用下,将化合物I在有机溶剂中进行如下式的还原反应,得到化合物D,即可,
Figure BDA0001922764570000153
所述的还原反应可为本领域此类反应的常规反应。本发明优选以下条件。
所述还原剂可为本领域此类反应常规还原剂。优选金属盐还原剂。所述金属还原剂可为LiAlH4、DIBAL-H或NaBH4。优选LiAlH4
所述有机溶剂可为本领域此类反应常规较溶剂。优选芳烃类溶剂、醚类溶剂和烷烃类溶剂中的一种或多种。所述的芳烃类溶剂优选为甲苯。所述的醚类溶剂优选四氢呋喃、乙二醇二甲醚、乙醚或二氧六环中的一种或多种;所述的烷烃类溶剂优选正己烷。
所述还原反应的反应温度可为-10~50℃,优选0~50℃。
所述还原剂与所述化合物I的摩尔比优选为1:1~1:2,例如1:1。
所述还原反应的反应的进程可以采用本领域的常规监测方法(如TLC、HPLC或NMR)进行监测,一般以化合物I消失或不反应为反应终点。所述还原反应的时间可为1h~20h,优选12h。
将上述如式I所示的环丙烷类化合物用于制备上述如D所示的伯胺类化合物,其收率可达96%,纯度可达95%。
本发明还提供了一种所述如式I所示的环丙烷类化合物,在制备如式E所示的酮类化合物的应用,
Figure BDA0001922764570000161
其中,R4为C6-14芳基或C1-6烷基,X为卤素。
所述应用,优选包括酮类化合物E的制备方法,其包括以下步骤:在格氏试剂的作用下,将化合物I在有机溶剂中进行如下式的加成反应,得到化合物E,即可,
Figure BDA0001922764570000162
其中,R4为C6-14芳基或C1-6烷基,X为卤素。
所述加成反应可为本领域此类反应常规反应,优选以下条件:
所述有机溶剂可为本领域此类反应常规有机溶剂。优选卤代烷烃类溶剂醚类溶剂或芳烃类溶剂中的一种或多种。所述卤代烷烃类溶剂可为二氯甲烷和/或氯仿。所述醚类溶剂可为四氢呋喃、二氧六环、乙醚或乙二醇二甲醚中的一种或多种,优选乙醚。所述的芳烃类溶剂优选甲苯。
所述的格氏试剂为本领域此类反应的常规格式试剂。
所述格氏试剂与所述的化合物I摩尔的比值可为1~3,例如1.1。
所述加成反应的反应温度可为0~100℃,优选60~90℃,例如80℃。
所述加成反应的反应进程可以采用本领域中的常规监测方法(如TLC、HPLC或NMR)进行监测,一般以化合物I消失时为反应终点。所述的反应的时间可为1h~20h,优选5h~15h,更优选12h。
将上述如式I所示的环丙烷类化合物用于制备上述如式E所示的酮类化合物,其收率可达75%,纯度可达95%。
本发明还提供了一种所述如式I所示的环丙烷类化合物,在制备如式F所示的环内酰胺类化合物的应用,
Figure BDA0001922764570000171
所述应用,优选还包括所述化合物F的制备方法,其包括以下步骤:在无机酸作用下,所述化合物I在溶剂中进行如下反应,得到化合物F,即可,
Figure BDA0001922764570000172
所述的无机酸为本领域中常规无机酸。本发明优选盐酸、硫酸和乙酸一种或多种。
所述反应的反应温度可为25~150℃,优选为60~150℃,例如110℃。
所述反应的反应进程可以采用本领域中的常规监测方法(如TLC、HPLC或NMR)进行监测,一般以化合物II消失时为反应终点。所述反应时的间可为1h~20h,优选5h~15h,例如12h。
将上述如式I所示的环丙烷类化合物用于制备上述如F所示的环内酰胺类化合物,其收率可达52%,纯度可达95%。
本发明中,当取代基的取代位置在“芳基与其它基团连接位点”的邻位和/或者对位时,“芳基与其它基团连接位点”中的芳基为苯基。
本发明,“杂环基”是指包含1~4个杂原子(如氮、氧和硫中的一种或多种)的4~12元单环,其中每个环可以含有一个或多个双键,但没有一个环具有完全共轭的π电子体系,例如
Figure BDA0001922764570000173
本发明中,“C1-10烷基”未作限定时,均包括直链和支链的C1-10烷基烷基。
本发明中,i-Propanol为异丙醇。
本发明中,-OBoc为
Figure BDA0001922764570000174
-Boc为
Figure BDA0001922764570000175
本发明中,室温为10~30℃。
在不违背本领域常识的基础上,上述各优选条件,可任意组合,即得本发明各较佳实例。
本发明所用试剂和原料均市售可得。
本发明的积极进步效果在于:本发明环丙烷类化合物的制备方法底物适用广,反应条件温和,后处理简单,环境友好,适合于工业化生产。采用本发明的制备方法能够简单、高效的制备得到多种类型的环丙烷类化合物。
附图说明
图1为实施例48中如式1所示的化合物的单晶的X-射线单晶衍射图。
具体实施方式
下面通过实施例的方式进一步说明本发明,但并不因此将本发明限制在所述的实施例范围之中。下列实施例中未注明具体条件的实验方法,按照常规方法和条件,或按照商品说明书选择。
实施例1
氩气条件下,将环己基甲腈(0.4mmol),溴化银(0.05mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(其结构式是
Figure BDA0001922764570000181
系统命名为1,3-bis(2,6-dibenzhydryl-4-methylphenyl)-1H-imidazol-3-ium chloride,cas 1218778-19-8)(9.5mg,0.010mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入肉桂基碳酸叔丁酯(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000182
和产物
Figure BDA0001922764570000183
二者比例为1:1,总收率76%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ7.27-7.23(m,2H),7.17-7.14(m,1H),7.08-7.06(m,2H),2.12-2.03(m,3H),1.75-1.73(m,3H),1.67-1.57(m,2H),1.45-1.39(m,2H),1.24-1.17(m,2H),1.11-1.06(m,1H),1.01-0.95(m,1H);13C NMR(101MHz,CDCl3):δ141.8,128.4,126.1,125.9,121.5,41.8,36.0,35.8,30.2,25.3,23.1(2C),19.8,11.9;IR(Neat):3063,3028,2932,2857,2233,2210,1605,1499,1450,752,697cm-1;MS(EI)m/z(rel):225(M+,12),180(5),117(100),104(7),91(11),73(12),53(1);HRMS(EI):calcd for C16H19N:225.1517,found:225.1524。
实施例2
氩气条件下,将
Figure BDA0001922764570000191
(0.4mmol),溴化银(0.05mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入肉桂基碳酸叔丁酯(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000192
和产物
Figure BDA0001922764570000193
二者比例为1:1,总收率83%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ7.29-7.25(m,2H),7.20-7.16(m,1H),7.10-7.08(m,2H),2.21-2.16(m,2H),2.12-2.07(m,1H),1.90-1.79(m,6H),1.24-1.17(m,2H),1.07-1.02(m,1H);13C NMR(101MHz,CDCl3):δ141.6,128.4,126.0,125.9,123.4,45.2,38.1(2C),28.4,24.3(2C),20.8,12.8;IR(Neat):3027,3003,2962,2874,2232,1605,1498,1453,1030,754,697cm-1;MS(EI)m/z(rel):211(M+,12),184(5),141(7),117(100),104(13),91(12),77(3),51(2);HRMS(EI):calcd for C15H17N:211.1361,found:211.1365。
实施例3
氩气条件下,将
Figure BDA0001922764570000194
(0.4mmol),溴化银(0.05mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入肉桂基碳酸叔丁酯(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000195
二者比例为1:1,总收率73%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ7.29-7.25(m,2H),7.20-7.16(m,1H),7.10-7.08(m,2H),2.20-2.10(m,3H),1.76-1.49(m,10H),1.25-1.15(m,2H),1.05-1.00(m,1H);13C NMR(101MHz,CDCl3):δ141.8,128.4,126.0,125.9,122.3,44.8,38.8,38.6,31.2,27.9(2C),23.7,23.6,20.1,12.8;IR(Neat):3063,3027,2927,2857,2231,1735,1604,1497,1460,1255,1155,1034,838,751,696cm-1;MS(EI)m/z(rel):239(M+,3),154(2),122(6),117(100),115(18),104(13),91(17),77(5),57(38),41(13);HRMS(EI):calcd for C17H21N:239.1674,found:239.1686.
实施例4
氩气条件下,将
Figure BDA0001922764570000201
(0.4mmol),溴化银(0.05mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入肉桂基碳酸叔丁酯(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000202
二者比例为1:1,总收率70%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ7.28-7.24(m,2H),7.19-7.15(m,1H),7.08-7.06(m,2H),4.00-3.94(m,2H),3.70(dt,J=12.0,2.0HZ,2H),2.16-2.11(m,1H),1.97-1.91(m,2H),1.82-1.74(m,2H),1.25-1.20(m,1H),1.17-1.12(m,1H),1.06-1.01(m,1H);13C NMR(101MHz,CDCl3):δ142.6,130.0,127.5,127.4,121.9,66.1,40.9,36.9,36.7,31.1,21.0,13.0;IR(Neat):3063,2957,2925,2852,2233,1736,1604,1498,1465,1443,1243,1143,1103,1032,835,757,697cm-1;MS(EI)m/z(rel):227(M+,8),141(4),117(100),104(7),91(21),77(5),57(9),41(3);HRMS(EI):calcd for C15H17NO:227.1310,found:227.1307.
实施例5
氩气条件下,将
Figure BDA0001922764570000203
(0.4mmol),溴化银(0.05mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入肉桂基碳酸叔丁酯(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000211
二者比例为1:1,总收率74%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ7.29-7.25(m,2H),7.20-7.16(m,1H),7.08-7.06(m,2H),4.14-4.09(m,2H),3.04(br,2H),2.17-2.12(m,1H),2.03-1.98(m,2H),1.68-1.57(m,2H),1.46(s,9H),1.27-1.21(m,1H),1.14-1.09(m,1H),1.07-1.02(m,1H);13C NMR(101MHz,CDCl3):δ154.4,141.1,128.5,126.1(2C),120.2,80.1,40.7,34.8,29.3,28.4,19.8,11.8;IR(Neat):3005,2975,2864,2234,1691,1605,1421,1278,1159,863,760,697cm-1;MS(EI)m/z(rel):326(M+,2),270(45),253(32),226(100),135(50),117(56),94(24),57(77),51(3);HRMS(ESI):calcd for C20H26N2NaO2[M+Na]+:349.1886,found:349.1887.
实施例6
氩气条件下,将
Figure BDA0001922764570000212
(0.4mmol),溴化银(0.05mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(0.76mg,0.002),IPr*·HCl(3.8mg,0.004mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入肉桂基碳酸叔丁酯(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000213
二者比例为1:1,总收率64%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ7.30-7.26(m,2H),7.20-7.16(m,1H),7.11-7.09(m,2H),2.12-2.07(m,1H),1.48(s,3H),1.47(s,3H),1.21-1.11(m,2H),1.06-1.01(m,1H);13C NMR(101MHz,CDCl3):δ141.6,128.4,126.0(2C),122.9,34.9,30.8,26.7(2C),20.6,12.6;IR(Neat):3029,2978,2935,2236,1605,1498,1466,753,697cm-1;MS(EI)m/z(rel):185(M+,10),143(13),117(100),104(8),91(13),77(6),65(3),51(3);HRMS(EI):calcd forC13H15N:185.1204,found:185.1201.
实施例7
氩气条件下,将
Figure BDA0001922764570000214
(0.4mmol),溴化银(0.05mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入肉桂基碳酸叔丁酯(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000221
二者比例为1:1,总收率77%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ7.30-7.26(m,2H),7.20-7.16(m,1H),7.09-7.06(m,2H),2.08-2.04(m,1H),1.86-1.66(m,4H),1.22-1.17(m,1H),1.13(t,J=7.6Hz,3H),1.09-1.04(m,4H),0.99-0.94(m,1H);13C NMR(101MHz,CDCl3):δ141.7,128.5,125.9,125.8,121.0,45.3,31.4,31.3,28.1,20.3,12.5,9.6,9.4;IR(Neat):3065,3028,2970,2938,2881,2232,1739,1605,1497,1460,1383,1156,1113,1027,884,751,697cm-1;MS(EI)m/z(rel):213(M+,3),157(4),129(5),117(100),104(13),91(16),77(5),51(3));HRMS(EI):calcd forC15H19N:213.1517,found:213.1521.
实施例8
氩气条件下,将
Figure BDA0001922764570000222
(0.4mmol),溴化银(0.05mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入肉桂基碳酸叔丁酯(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000223
二者比例为1:1,总收率48%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):(taken as a mixture of diastereomers):δ7.30-7.25(m,2.45H),7.20-7.16(m,1.26H),7.10-7.05(m,2.44H),2.15-2.10(m,1H),2.03-2.00(m,0.24H),1.95-1.91(m,2.42H),1.86-1.76(m,2.42H),1.71-1.64(m,1.29H),1.53-1.47(m,1.33H),1.42(s,3H),1.30-1.13(m,8.65H),1.12-1.04(m,2.52H),1.01-0.97(m,1H);13CNMR(101MHz,CDCl3):(taken as a mixture of diastereomers):δ141.9,141.5,128.4(2C),125.9(2C),125.8,121.6,121.5,46.6(2C),44.3,44.0,28.6,28.5(2C),28.4,28.3,27.9,26.3(3C),26.1,26.0,25.9,24.4,22.8(2C),22.1,19.6,14.5,11.8;IR(Neat):3064,2927,2854,2232,1737,1604,1497,1450,1376,1277,1256,933,889,843,753,697cm-1;MS(EI)m/z(rel):253(M+,3),170(13),156(9),128(6),117(100),104(18),91(16),77(5),55(18),41(10);HRMS(EI):calcd for C18H23N:253.1830,found:253.1826.
实施例9
氩气条件下,将环己基甲腈(0.4mmol),溴化银(0.05mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(6.08mg,0.008mmol),IPr*·HCl(18.0mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M inTHF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000231
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000232
Figure BDA0001922764570000233
二者比例为1:1,总收率64%,1HNMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ7.04-7.00(m,2H),6.83-6.79(m,2H),3.78(s,3H),2.10-2.03(m,3H),1.77-1.74(m,3H),1.68-1.58(m,2H),1.45(m,2H),1.25-1.19(m,1H),1.17-1.12(m,1H),1.05-1.00(m,1H),0.95-0.90(m,1H);13C NMR(101MHz,CDCl3):δ157.9,133.8,127.3,121.6,113.8,55.3,41.7,36.0,35.8,29.7,25.3,23.1,23.0,19.1,11.4;IR(Neat):3078,2923,2854,2231,1608,1514,1456,1444,1246,1175,1028,828,815,697cm-1;MS(EI)m/z(rel):255(M+,5),225(13),147(23),117(100),104(7),91(12),57(4);HRMS(EI):calcd for C17H21NO:255.1623,found:225.1621.
实施例10
氩气条件下,将环己基甲腈(0.4mmol),溴化银(0.05mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000234
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000241
二者比例为1:1,总收率65%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ7.24-7.21(m,2H),7.02-6.99(m,2H),2.10-2.03(m,3H),1.78-1.74(m,3H),1.68-1.61(m,2H),1.47-1.37(m,2H),1.25-1.19(m,2H),1.08-1.03(m,1H),0.99-0.95(m,1H);13C NMR(101MHz,CDCl3):δ140.3,131.5,128.5,127.4,121.3,41.7,36.0,35.7,30.4,25.2,23.1,23.0,19.3,11.9;IR(Neat):3010,2923,2855,2235,1493,1450,1085,1011,891,811,646cm-1;MS(EI)m/z(rel):259(M+,12),151(100),147(13),115(24),91(3),57(4);HRMS(EI):calcd for C16H18NCl:259.1128,found:259.1129.
实施例11
氩气条件下,将环己基甲腈(0.4mmol),溴化银(0.05mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000242
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000243
二者比例为1:1,总收率69%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ7.17-7.10(m,3H),6.95-6.91(m,1H),2.45(s,3H),2.17-2.07(m,3H),1.82-1.77(m,3H),1.72-1.60(m,2H),1.55-1.41(m,2H),1.30-1.15(m,3H),0.94-0.87(m,1H);13C NMR(101MHz,CDCl3):δ139.3,137.5,129.8,126.1,125.9,125.3,121.6,41.6,36.6,35.8,28.7,25.3,23.2,23.1,19.9,17.8,10.7;IR(Neat):3067,2932,2857,2232,1739,1604,1494,1450,1265,1162,1113,891,757,732cm-1;MS(EI)m/z(rel):239(M+,7),131(100),115(13),105(6),91(14),77(5),55(2),41(3);HRMS(EI):calcd forC17H21N:239.1674,found:239.1678.
实施例12
氩气条件下,将环己基甲腈(0.4mmol),溴化银(0.05mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000251
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000252
二者比例为1:1,总收率49%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ7.18-7.14(t,J=7.6Hz,1H),7.00-6.98(d,J=7.6Hz,1H),6.90-6.88(m,2H),2.32(s,3H),2.11-2.05(m,3H),1.79-1.74(m,3H),1.69-1.59(m,2H),1.50-1.39(m,2H),1.26-1.16(m,2H),1.12-1.07(m,1H),1.02-0.97(m,1H);13C NMR(101MHz,CDCl3):δ141.8,138.0,128.3,126.9,126.7,123.1,121.5,41.8,36.0,35.8,30.1,25.3,23.1(2C),21.4,19.8,11.9;IR(Neat):3009,2931,2857,2233,1738,1607,1491,1449,1272,1038,904,780,698cm-1;MS(EI)m/z(rel):239(M+,7),131(100),115(11),105(6),91(12),77(4),41(3);HRMS(EI):calcd for C17H21N:239.1674,found:239.1667.
实施例13
氩气条件下,将环己基甲腈(0.4mmol),溴化银(0.05mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000253
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000254
二者比例为1:1,总收率99%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ7.09-6.98(m,4H),2.31(s,3H),2.11-2.04(m,3H),1.77-1.75(m,3H),1.65-1.59(m,2H),1.47-1.38(m,2H),1.26-1.15(m,2H),1.09-1.04(m,1H),0.99-0.94(m,1H);13C NMR(101MHz,CDCl3):δ138.8,135.5,129.1,126.0,121.6,41.8,36.0,35.8,30.0,25.3,23.1(2C),21.0,19.5,11.7;IR(Neat):3077,3003,2928,2854,2236,1740,1514,1450,1260,1090,942,806,712cm-1;MS(EI)m/z(rel):239(M+,7),131(100),115(11),105(6),91(12),77(4),41(4);HRMS(EI):calcd for C17H21N:239.1674,found:239.1677.
实施例14
氩气条件下,将环己基甲腈(0.4mmol),溴化银(0.05mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000261
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000262
Figure BDA0001922764570000263
二者比例为1:1,总收率54%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ7.15-7.01(m,4H),2.87(hept,J=6.8Hz,1H),2.11-2.05(m,3H),1.77-1.75(m,3H),1.68-1.60(m,2H),1.47-1.39(m,2H),1.24(d,J=6.8Hz,6H),1.20-1.15(m,2H),1.11-1.07(m,1H),0.99-0.94(m,1H);13C NMR(101MHz,CDCl3):δ146.5,139.2,126.4,126.1,121.6,41.8,36.0,35.9,33.7,29.9,25.3,24.0,23.1(2C),19.5,11.8;IR(Neat):3070,2934,2858,2229,1613,1516,1445,1106,1047,926,890,820cm-1;MS(EI)m/z(rel):267(M+,9),224(5),197(4),159(25),131(14),117(100),91(14),77(7),57(39),43(40);HRMS(EI):calcd for C19H25N:267.1987,found:267.1989.
实施例15
氩气条件下,将环己基甲腈(0.4mmol),溴化银(0.05mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000264
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000265
二者比例为1:1,总收率54%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ7.81-7.75(m,3H),7.54(s,1H),7.48-7.40(m,2H),7.22(d,J=10.8Hz,1H),2.32-2.27(m,1H),2.13(t,J=13.6Hz,2H),1.79-1.76(m,3H),1.71-1.59(m,2H),1.51-1.44(m,2H),1.32-1.12(m,4H);13C NMR(101MHz,CDCl3):δ139.3,133.4,132.0,128.1,127.6,127.3,126.2,125.2,124.9,124.2,121.5,41.9,36.0,35.9,30.4,25.3,23.1,23.0,20.1,11.9;IR(Neat):3073,2936,2854,2237,1759,1729,1507,1401,1260,1084,906,849,812,744cm-1;MS(EI)m/z(rel):275(M+,13),201(6),167(100),152(16),117(15),107(8),91(6),77(7),41(6);HRMS(EI):calcd for C20H21N:275.1674,found:275.1673.
实施例16
氩气条件下,将环己基甲腈(0.4mmol),溴化银(0.05mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000271
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000272
二者比例为1:1,总收率99%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ7.23-7.22(m,1H),6.27-6.25(m,1H),5.98(d,J=3.2Hz,1H),2.13-2.02(m,3H),1.78-1.74(m,3H),1.67-1.57(m,2H),1.49-1.38(m,2H),1.26-1.19(m,2H),1.17-1.11(m,1H),1.07-1.03(m,1H);13C NMR(101MHz,CDCl3):δ155.2,140.6,121.2,110.3,104.1,41.4,35.8,35.7,27.8,25.3,23.0,13.2,10.2;IR(Neat):3468,3118,2933,2858,2234,1700,1601,1449,1400,1184,1148,1014,919,798,732,700cm-1;MS(EI)m/z(rel):215(M+,6),107(100),94(11),79(19),53(5),41(4);HRMS(EI):calcd forC14H17NO:215.1310,found:215.1315.
实施例17
氩气条件下,将环己基甲腈(0.4mmol),溴化银(0.10mmol),四甲基乙二胺(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000273
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000281
Figure BDA0001922764570000282
二者比例为1:1,总收率82%,1HNMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ2.09(t,J=6.8Hz,2H),2.04(d,J=13.2Hz,1H),1.95(d,J=13.2Hz,1H),1.75-1.72(m,3H),1.60-1.54(m,2H),1.48-1.31(m,7H),1.24-1.15(m,1H),1.09-1.05(m,1H),0.97-0.92(m,1H),0.89(t,J=6.8Hz,3H),0.85-0.81(m,1H);13CNMR(101MHz,CDCl3):δ120.8,81.2,76.7,41.2,35.7,35.6,31.0,29.0,25.2,23.0,21.9,18.4,13.6,11.8,4.0;IR(Neat):3008,2932,2859,2233,1737,1450,1253,1095,931,844,696cm-1;MS(EI)m/z(rel):229(M+,7),200(6),180(22),166(13),121(20),113(14),109(18),93(30),79(51),73(100),67(27),57(36),45(9);HRMS(EI):calcd for C16H23N:229.1830,found:229.1838.
实施例18
氩气条件下,将
Figure BDA0001922764570000283
(0.4mmol),溴化银(0.10mmol),四甲基乙二胺(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M inTHF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000284
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000285
Figure BDA0001922764570000286
二者比例为1:1,总收率76%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ2.10-2.06(m,4H),1.80-1.70(m,6H),1.45-1.29(m,5H),1.18-1.13(m,1H),0.94-0.82(m,5H);13C NMR(101MHz,CDCl3):δ122.8,80.9,77.0,44.6,38.1,37.9,31.0,27.2,24.3(2C),21.9,18.4,13.6,12.7,5.1;IR(Neat):3009,2958,2932,2872,2233,1716,1620,1452,1364,1256,1043,958,909,750cm-1;MS(EI)m/z(rel):215(M+,16),186(12),172(15),121(23),108(26),93(74),79(100),67(28),55(24),51(10);HRMS(EI):calcd for C15H21N:215.1674,found:215.1677.
实施例19
氩气条件下,将
Figure BDA0001922764570000291
(0.4mmol),溴化银(0.10mmol),四甲基乙二胺(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M inTHF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000292
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000293
Figure BDA0001922764570000294
二者比例为1:1,总收率81%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ2.16-2.03(m,4H),1.78-1.65(m,8H),1.56-1.32(m,7H),1.17-1.12(m,1H),0.99-0.94(m,1H),0.90(t,J=7.2Hz,3H),0.88-0.85(m,1H);13C NMR(101MHz,CDCl3):δ121.6,81.2,76.9,44.2,38.5(2C),31.0,30.0,27.8,23.6,23.5,21.9,18.4,13.6,12.6,5.0;IR(Neat):3008,2928,2859,2232,1718,1460,1257,1075,1043,887,843,803,749cm-1;MS(EI)m/z(rel):243(M+,11),214(11),136(16),121(39),93(70),79(100),67(36),55(36);HRMS(EI):calcd for C17H25N:243.1987,found:243.1993.
实施例20
氩气条件下,将
Figure BDA0001922764570000295
(0.4mmol),溴化银(0.10mmol),四甲基乙二胺(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M inTHF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000301
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000302
Figure BDA0001922764570000303
二者比例为1:1,总收率70%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ3.96-3.93(m,2H),3.64(tt,J=12.0,2.4Hz,2H),2.08(td,J=7.2,1.2Hz,2H),1.93-1.89(m,1H),1.84-1.67(m,3H),1.44-1.29(m,5H),1.14-1.09(m,1H),0.99-0.94(m,1H),0.89-0.84(m,4H);13C NMR(101MHz,CDCl3):δ119.8,80.6,77.2,64.6(2C),39.1,35.3,35.2,30.9,28.5,21.9,18.4,13.6,11.6,4.0;IR(Neat):3009,2956,2928,2855,2237,1739,1465,1389,1243,1192,1143,1104,943,845,750cm-1;MS(EI)m/z(rel):231(M+,18),202(7),174(19),160(18),146(23),134(24),119(26),108(23),93(53),79(100),67(33),55(35),51(12);HRMS(EI):calcd for C15H21NO:231.1623,found:231.1629.
实施例21
氩气条件下,将
Figure BDA0001922764570000304
(0.4mmol),溴化银(0.10mmol),四甲基乙二胺(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M inTHF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000305
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000306
Figure BDA0001922764570000311
二者比例为1:1,总收率68%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ4.11(br,2H),2.99(br,2H),2.09(t,J=5.6Hz,2H),1.99-1.86(m,2H),1.66-1.51(m,2H),1.45-1.34(m,14H),1.10-1.05(m,1H),1.00-0.95(m,1H),0.90-0.86(m,4H);13C NMR(101MHz,CDCl3):δ154.4,119.5,80.5,80.1,77.2,40.1,34.7,30.9,28.4,28.2,21.9,18.4,13.6,11.7,4.2;IR(Neat):3007,2931,2864,2236,1694,1420,1366,1278,1248,1159,1108,1022,862,769cm-1;MS(EI)m/z(rel):330(M+,1),274(28),257(9),230(14),187(35),94(21),57(100),51(3);HRMS(EI):calcd forC20H30N2O2:330.2307,found:330.2298.
实施例22
氩气条件下,将
Figure BDA0001922764570000312
(0.4mmol),溴化银(0.10mmol),四甲基乙二胺(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M inTHF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000313
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000314
Figure BDA0001922764570000315
二者比例为1:1,总收率72%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ2.10(t,J=6.8Hz,2H),1.44-1.33(m,11H),1.11-1.06(m,1H),0.94-0.83(m,5H);13C NMR(101MHz,CDCl3):δ122.3,80.9,77.0,34.4,31.0,29.7,26.5(2C),21.9,18.4,13.6,12.5,4.8;IR(Neat):3084,2959,2933,2872,2237,1717,1620,1464,1368,1328,1254,1188,1101,1076,1044,920,885,803,751cm-1;MS(EI)m/z(rel):189(M+,17),174(30),151(16),121(26),105(20).91(57),79(100),67(29),55(30),51(12);HRMS(EI):calcd for C13H19N:189.1517,found:189.1514.
实施例23
氩气条件下,将
Figure BDA0001922764570000321
(0.4mmol),溴化银(0.10mmol),四甲基乙二胺(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000322
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000323
Figure BDA0001922764570000324
二者比例为1:1,总收率76%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ2.10-2.07(m,2H),1.83-1.60(m,4H),1.45-1.30(m,5H),1.10(t,J=7.2Hz,3H),1.04(t,J=7.2Hz,3H),0.94-0.82(m,6H);13C NMR(101MHz,CDCl3):δ120.3,81.0,76.9,44.6,31.2,31.1,31.0,26.5,21.9,18.4,13.6,11.9,9.4,9.2,4.7;IR(Neat):3084,2965,2933,2866,2233,1718,1620,1461,1383,1258,1103,1078,1045,903,886,786cm-1;MS(EI)m/z(rel):217(M+,6),188(16),174(13),121(32),105(14),93(66),79(100),67(27),55(29),51(8);HRMS(EI):calcd for C15H23N:217.1830,found:217.1826.
实施例24
氩气条件下,将
Figure BDA0001922764570000325
(0.4mmol),溴化银(0.10mmol),四甲基乙二胺(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000326
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000327
Figure BDA0001922764570000331
二者比例为1:1,总收率80%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):(taken as a mixture of diastereomers):δ2.11-1.68(m,10.16H),1.49-0.94(m,23.19H),0.91-0.87(m,4H),0.83-0.79(m,1.80H);13C NMR(101MHz,CDCl3):(taken as a mixture of diastereomers):δ121.0,120.8,81.2,80.9,77.1,76.8,46.5,46.4,43.6,43.4,31.0(2C),28.5,28.4(2C),28.2,27.3,27.2,26.3(3C),26.0,22.9,22.4,21.9(2C),18.4,14.2,13.6,11.1,6.8,3.9;IR(Neat):3084,2928,2856,2233,1451,1377,1255,1103,1044,928,891,839,798,750cm-1;MS(EI)m/z(rel):257(M+,11),242(7),228(22),214(24),200(9),174(21),160(15),150(27),132(72),121(47),107(24),93(90),79(100),67(35),55(75);HRMS(EI):calcd for C17H28N:257.2143,found:257.2148.
实施例25
氩气条件下,将环己基甲腈(0.4mmol),溴化银(0.10mmol),四甲基乙二胺(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000332
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000333
Figure BDA0001922764570000334
二者比例为1:1,总收率77%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ2.10-2.06(m,3H),1.95(d,J=12.8Hz,1H),1.74-1.72(m,3H),1.60-1.53(m,2H),1.47-1.37(m,5H),1.34-1.29(m,4H),1.24-1.18(m,1H),1.09-1.04(m,1H),0.97-0.80(m,5H);13C NMR(101MHz,CDCl3):δ120.8,81.2,76.8,41.2,35.7,35.6,31.0,29.0,28.6,25.2,23.0,22.2,18.7,14.0,11.8,4.1;IR(Neat):3009,2931,2858,2233,1737,1451,1257,1093,1074,861,805,731cm-1;MS(EI)m/z(rel):243(M+,8),228(4),200(16),186(13),174(7),135(25),107(36),93(89),79(100),67(44),55(35);HRMS(EI):calcd for C17H25N:243.1987,found:243.1991.
实施例26
氩气条件下,将环己基甲腈(0.4mmol),溴化银(0.10mmol),四甲基乙二胺(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000341
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000342
Figure BDA0001922764570000343
二者比例为1:1,总收率81%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ2.07-1.94(m,4H),1.75-1.72(m,4H),1.62-1.55(m,2H),1.49-1.31(m,3H),1.26-1.19(m,1H),1.10-1.06(m,1H),1.00-0.93(m,7H),0.87-0.82(m,1H);13C NMR(101MHz,CDCl3):δ120.9,82.1,75.6,41.2,35.7,35.6,29.1,28.2,27.9,25.2,23.0,21.9,11.8,4.1;IR(Neat):3008,2933,2861,2233,1737,1450,1278,1254,1105,1073,960,886,861,844,809,751cm-1;MS(EI)m/z(rel):229(M+,18),214(15),186(15),160(11),121(100),109(22),93(69),79(53),73(30),67(19),57(39),53(11);HRMS(EI):calcd for C16H23N:229.1830,found:229.1835.
实施例27
氩气条件下,将环己基甲腈(0.4mmol),溴化银(0.10mmol),四甲基乙二胺(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000344
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000345
Figure BDA0001922764570000351
二者比例为1:1,总收率80%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ2.50-2.43(m,1H),2.03(d,J=13.2Hz,1H),1.94(d,J=13.2Hz,1H),1.74-1.72(m,3H),1.63-1.52(m,2H),1.49-1.33(m,3H),1.23-1.14(m,1H),1.11-1.02(m,7H),0.97-0.92(m,1H),0.84-0.80(m,1H);13C NMR(101MHz,CDCl3):δ120.9,82.3,80.4,41.2,35.7,35.6,29.1,25.2,23.2,23.0,20.4,11.9,4.0;IR(Neat):2934,2860,2237,1710,1450,1359,1260,1090,1069,1000,852,809cm-1;MS(EI)m/z(rel):215(M+,16),200(14),172(16),156(13),146(17),131(20),121(25),105(100),95(79),91(74),79(98),65(34),55(34);HRMS(EI):calcd for C15H21N:215.1674,found:215.1666.
实施例28
氩气条件下,将环己基甲腈(0.4mmol),溴化银(0.10mmol),四甲基乙二胺(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000352
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000353
Figure BDA0001922764570000354
二者比例为1:1,总收率75%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ2.04(d,J=12.8Hz,1H),1.94(d,J=12.8Hz,1H),1.75-1.73(m,3H),1.63-1.51(m,2H),1.49-1.34(m,3H),1.25-1.17(m,1H),1.15(s,9H),1.08-1.03(m,1H),0.97-0.92(m,1H),0.83-0.78(m,1H);13C NMR(101MHz,CDCl3):δ120.9,85.1,79.6,41.2,35.7,35.6,31.2,29.1,27.2,25.2,23.0,12.0,4.0;IR(Neat):2926,2857,2231,1739,1451,1363,1260,1088,1020,926,800,731,700cm-1;MS(EI)m/z(rel):229(M+,16),214(19),121(32),105(36),93(100),79(34),55(10);HRMS(EI):calcd for C16H23N:229.1830,found:229.1828.
实施例29
氩气条件下,将环己基甲腈(0.4mmol),溴化银(0.10mmol),四甲基乙二胺(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000361
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000362
Figure BDA0001922764570000363
二者比例为1:1,总收率71%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ3.61(t,J=6.4Hz,2H),2.30(td,J=6.8,1.6Hz,2H),2.05-2.02(m,1H),1.99-1.86(m,3H),1.75-1.73(m,3H),1.66-1.53(m,2H),1.48-1.33(m,3H),1.27-1.15(m,1H),1.11-1.06(m,1H),0.99-0.94(m,1H),0.86-0.82(m,1H);13C NMR(101MHz,CDCl3):δ120.8,82.4,74.6,43.7,41.2,35.7,35.6,31.6,29.0,25.2,23.0,16.2,11.8,3.9;IR(Neat):3007,2932,2858,2234,1736,1449,1288,1154,1011,884,860,724,652cm-1;MS(EI)m/z(rel):249(M+,8),214(11),141(100),122(22),105(39),91(29),77(40),65(15),57(11);HRMS(EI):calcd for C15H20NCl:249.1284,found:249.1289.
实施例30
氩气条件下,将环己基甲腈(0.4mmol),溴化银(0.10mmol),四甲基乙二胺(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(3.8mg,0.005mmol),IPr*·HCl(18.0mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000364
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000365
Figure BDA0001922764570000371
二者比例为1:1,总收率60%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ7.28(t,J=7.6Hz,2H),6.98-6.91(m,3H),4.61(s,2H),2.01(d,J=13.2Hz,1H),1.93(d,J=13.2Hz,1H),1.74-1.71(m,3H),1.61-1.55(m,1H),1.52-1.33(m,4H),1.23-1.13(m,2H),1.04-0.99(m,1H),0.94-0.90(m,1H);13C NMR(101MHz,CDCl3):δ157.7,129.4,121.3,120.6,114.8,89.1,71.3,56.4,41.2,35.7,35.6,29.2,25.2,22.9,12.0,3.9;IR(Neat):3009,2926,2857,2239,1599,1496,1453,1377,1230,1016,991,885,820,748,688cm-1;MS(EI)m/z(rel):279(M+,11),264(12),236(12),224(11),186(32),171(100),158(31),144(49),131(38),117(39),105(30),94(64),77(68),65(64),51(25);HRMS(EI):calcd for C19H21NO:279.1623,found:279.1630.
实施例31
氩气条件下,将环己基甲腈(0.4mmol),溴化银(0.10mmol),四甲基乙二胺(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000372
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000373
Figure BDA0001922764570000374
二者比例为1:1,总收率59%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ5.85-5.80(m,1H),5.06-4.99(m,2H),2.31-2.19(m,4H),2.03(d,J=12.8Hz,1H),1.95(d,J=12.8Hz,1H),1.75-1.72(m,3H),1.63-1.53(m,2H),1.48-1.30(m,3H),1.24-1.18(m,1H),1.10-1.05(m,1H),0.98-0.93(m,1H),0.86-0.81(m,1H);13C NMR(101MHz,CDCl3):δ137.1,120.8,115.5,81.8,75.9,41.2,35.7,35.6,33.2,29.0,25.2,23.0,18.6,11.8,4.0;IR(Neat):3079,3006,2932,2858,2233,1641,1449,1261,994,913,861,826,626cm-1;MS(EI)m/z(rel):227(M+,5),198(6),184(7),170(7),158(7),144(7),130(8),119(82),105(17),91(100),79(24),67(18),53(9);HRMS(EI):calcdfor C16H21N:227.1674,found:227.1675.
实施例32
氩气条件下,将环己基甲腈(0.4mmol),溴化银(0.10mmol),四甲基乙二胺(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(0.38mg,0.001mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000381
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000382
Figure BDA0001922764570000383
二者比例为1:1,总收率45%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ7.36-7.26(m,5H),2.11(d,J=13.2Hz,1H),2.00(d,J=13.2Hz,1H),1.81-1.75(m,3H),1.69-1.60(m,3H),1.54-1.39(m,2H),1.30-1.21(m,2H),1.16-1.10(m,1H),1.07-1.02(m,1H);13C NMR(101MHz,CDCl3):δ131.6,128.2,127.7,123.5,120.7,91.2,41.32,35.8,35.7,29.5,25.2,23.0,12.4,4.6;IR(Neat):3014,2930,2856,2230,1598,1491,1448,1253,943,913,844,755,691cm-1;MS(EI)m/z(rel):249(M+,8),193(6),180(7),159(10),141(40),126(13),111(12),97(18),83(24),73(100),57(40),45(16);HRMS(EI):calcd for C18H19N:249.1517,found:249.1511.
实施例33
氩气条件下,将环己基甲腈(0.4mmol),1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入1.2mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000384
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000385
二者比例为1:1,总收率62%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ2.04-1.91(m,2H),1.75-1.72(m,3H),1.64-1.54(m,2H),1.42-1.30(m,2H),1.28-1.14(m,1H),0.79-0.74(m,1H),0.67-0.62(m,1H),0.44-0.40(m,1H),-0.05(s,9H),-0.15--0.21(m,1H);13C NMR(101MHz,CDCl3):δ121.6,42.5,36.2,36.1,25.4,23.6,23.2,23.1,5.6,1.1,-2.6;IR(Neat):3062,2935.2859,2235,1738,1451,1249,1080,1019,891,835,751.692cm-1;MS(EI)m/z(rel):221(M+,2),179(31),151(16),122(74),107(50),100(38),93(28),73(100),59(20),45(12);HRMS(EI):calcd forC13H23NSi:221.1600,found:221.1602.
实施例34
氩气条件下,将
Figure BDA0001922764570000391
(0.4mmol),1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入1.2mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(7.6mg,0.02mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000392
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000393
二者比例为1:1,总收率50%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ2.13-1.99(m,2H),1.69-1.47(m,10H),0.79-0.70(m,2H),0.46-0.41(m,1H),-0.05(s,9H),-0.12--0.20(m,1H);13C NMR(101MHz,CDCl3):δ122.4,45.4,39.0,38.9,27.9,27.8,24.6,23.6,6.4,2.1,-2.5;IR(Neat):3061,2930,2858,2231,1739,1459,1248,981,876,832,749,691,673cm-1;MS(EI)m/z(rel):235(M+,2),220(5),193(20),166(10),136(32),121(57),107(36),100(23),94(26),73(100),59(20),45(13);HRMS(EI):calcd for C14H25NSi:235.1756,found:221.1748.
实施例35
氩气条件下,将
Figure BDA0001922764570000394
(0.4mmol),1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入1.6mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000395
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000401
二者比例为1:1,总收率51%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ1.81-1.59(m,4H),1.09-1.01(m,6H),0.75-0.71(m,1H),0.59-0.54(m,1H),0.46-0.42(m,1H),-0.05(s,9H),-0.19--0.25(m,1H);13C NMR(101MHz,CDCl3):δ121.2,45.8,31.3,30.9,20.9,9.4,9.1,6.4,1.1,-2.4;IR(Neat):3063,2955,2884,2232,1741,1249,1094,1039,1012,901,879,834,749,692cm-1;MS(EI)m/z(rel):209(M+,1),180(25),110(52),100(18),95(24),81(43),73(100),59(16),45(10);HRMS(EI):calcd for C12H23NSi:209.1600,found:209.1599.
实施例36
氩气条件下,将环己基甲腈(0.4mmol),溴化银(0.10mmol),1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入0.8mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),IPr*·HCl(9.5mg,0.01mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000402
(0.2mmol),反应在室温下搅拌12h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000403
二者比例为1:1,总收率59%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ7.30-7.27(m,2H),7.02-6.95(m,3H),3.89-3.87(m,1H),2.16(d,J=12.4Hz,1H),1.97(d,J=13.6Hz,1H),1.76-1.74(m,3H),1.67-1.58(m,2H),1.52-1.35(m,2H),1.30-1.19(m,2H),1.09-1.04(m,1H),0.99-0.97(m,1H);13C NMR(101MHz,CDCl3):δ158.2,129.4,121.3(2C),115.0,53.2,39.9,35.9,35.4,26.6,25.1,23.0,22.8,10.6;IR(Neat):3017,2941,2859,2227,1731,1599,1586,1483,1447,1243,1154,1092,1070,856,757,690cm-1;MS(EI)m/z(rel):241(M+,9),184(1),133(100),105(33),94(15),77(20),65(8),51(7);HRMS(EI):calcd for C16H19NO:241.1467,found:241.1477.
实施例37
氩气条件下,将环己基甲腈(1.0mmol),溴化锂(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入2.0mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),氮杂环卡宾配体
Figure BDA0001922764570000411
(系统命名为1,3-bis(4-methyl-2-((S)-1-phenylethyl)-6-(1-phenylethyl)phenyl)-1H-imidazol-3-ium chloride)(7.0mg,0.010mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入肉桂基碳酸叔丁酯(0.2mmol),反应在-30℃搅拌48h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000412
Figure BDA0001922764570000413
二者比例为61:39,总收率40%,1H NMR的纯度大于95%。
HPLC(Chiralpak AD-H,Hexane:i-Propanol=98:2,1mL/min,214nm):tminor=5.52min,tmajor=6.62min。[α]D 30=-105.7(1.0,CHCl3).;1H NMR(400MHz,CDCl3):δ7.29-7.25(m,2H),7.20-7.16(m,1H),7.10-7.08(m,2H),2.21-2.16(m,2H),2.12-2.07(m,1H),1.90-1.79(m,6H),1.24-1.17(m,2H),1.07-1.02(m,1H);13C NMR(101MHz,CDCl3):δ141.6,128.4,126.0,125.9,123.4,45.2,38.1(2C),28.4,24.3(2C),20.8,12.8;IR(Neat):3027,3003,2962,2874,2232,1605,1498,1453,1030,754,697cm-1;MS(EI)m/z(rel):211(M+,12),184(5),141(7),117(100),104(13),91(12),77(3),51(2);HRMS(EI):calcd for C15H17N:211.1361,found:211.1365.
实施例38
氩气条件下,将环己基甲腈(1.0mmol),溴化锂(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入2.0mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),氮杂环卡宾配体
Figure BDA0001922764570000414
(系统命名为(4R,5R)-1,3-bis(2,6-diisopropylphenyl)-4,5-diphenyl-4,5-dihydro-1H-imidazol-3-ium tetrafluoroborate)(6.3mg,0.010mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入肉桂基碳酸叔丁酯(0.2mmol),反应在-30℃搅拌48h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000415
二者比例为77:23,总收率43%,1H NMR的纯度大于95%。
HPLC(Chiralpak AD-H,Hexane:i-Propanol=98:2,1mL/min,214nm):tminor=5.52min,tmajor=6.62min。[α]D 30=-105.7(1.0,CHCl3).;1H NMR(400MHz,CDCl3):δ7.29-7.25(m,2H),7.20-7.16(m,1H),7.10-7.08(m,2H),2.21-2.16(m,2H),2.12-2.07(m,1H),1.90-1.79(m,6H),1.24-1.17(m,2H),1.07-1.02(m,1H);13C NMR(101MHz,CDCl3):δ141.6,128.4,126.0,125.9,123.4,45.2,38.1(2C),28.4,24.3(2C),20.8,12.8;IR(Neat):3027,3003,2962,2874,2232,1605,1498,1453,1030,754,697cm-1;MS(EI)m/z(rel):211(M+,12),184(5),141(7),117(100),104(13),91(12),77(3),51(2);HRMS(EI):calcd for C15H17N:211.1361,found:211.1365.
实施例39
氩气条件下,将环己基甲腈(1.0mmol),溴化锂(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入2.0mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),氮杂环卡宾配体
Figure BDA0001922764570000421
(系统命名为(4R,5R)-1,3-bis(2,6-diisopropyl-4-(naphthalen-1-yl)phenyl)-4,5-diphenyl-4,5-dihydro-1H-imidazol-3-ium tetrafluoroborate)(8.8mg,0.010mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入肉桂基碳酸叔丁酯(0.2mmol),反应在-30℃搅拌48h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000422
二者比例为85:15,总收率40%,1HNMR的纯度大于95%。
HPLC(Chiralpak AD-H,Hexane:i-Propanol=98:2,1mL/min,214nm):tminor=5.52min,tmajor=6.62min。[α]D 30=-105.7(1.0,CHCl3).;1H NMR(400MHz,CDCl3):δ7.29-7.25(m,2H),7.20-7.16(m,1H),7.10-7.08(m,2H),2.21-2.16(m,2H),2.12-2.07(m,1H),1.90-1.79(m,6H),1.24-1.17(m,2H),1.07-1.02(m,1H);13C NMR(101MHz,CDCl3):δ141.6,128.4,126.0,125.9,123.4,45.2,38.1(2C),28.4,24.3(2C),20.8,12.8;IR(Neat):3027,3003,2962,2874,2232,1605,1498,1453,1030,754,697cm-1;MS(EI)m/z(rel):211(M+,12),184(5),141(7),117(100),104(13),91(12),77(3),51(2);HRMS(EI):calcd for C15H17N:211.1361,found:211.1365.
实施例40
氩气条件下,将环己基甲腈(1.0mmol),溴化锂(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入2.0mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),氮杂环卡宾配体
Figure BDA0001922764570000431
(系统命名为(4R,5R)-1,3-bis(4-(anthracen-9-yl)-2,6-diisopropylphenyl)-4,5-diphenyl-4,5-dihydro-1H-imidazol-3-ium tetrafluoroborate)(9.8mg,0.010mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入肉桂基碳酸叔丁酯(0.2mmol),反应在-30℃搅拌48h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000432
二者比例为94:6,总收率69%,1H NMR的纯度大于95%。
HPLC(Chiralpak AD-H,Hexane:i-Propanol=98:2,1mL/min,214nm):tminor=5.52min,tmajor=6.62min。[α]D 30=-105.7(1.0,CHCl3).;1H NMR(400MHz,CDCl3):δ7.29-7.25(m,2H),7.20-7.16(m,1H),7.10-7.08(m,2H),2.21-2.16(m,2H),2.12-2.07(m,1H),1.90-1.79(m,6H),1.24-1.17(m,2H),1.07-1.02(m,1H);13C NMR(101MHz,CDCl3):δ141.6,128.4,126.0,125.9,123.4,45.2,38.1(2C),28.4,24.3(2C),20.8,12.8;IR(Neat):3027,3003,2962,2874,2232,1605,1498,1453,1030,754,697cm-1;MS(EI)m/z(rel):211(M+,12),184(5),141(7),117(100),104(13),91(12),77(3),51(2);HRMS(EI):calcd for C15H17N:211.1361,found:211.1365.
实施例41
氩气条件下,将
Figure BDA0001922764570000433
(1.0mmol),溴化锂(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入2.0mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),氮杂环卡宾配体
Figure BDA0001922764570000441
(系统命名为(4R,5R)-1,3-bis(4-(anthracen-9-yl)-2,6-diisopropylphenyl)-4,5-diphenyl-4,5-dihydro-1H-imidazol-3-iumtetrafluoroborate)(9.8mg,0.010mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入肉桂基碳酸叔丁酯(0.2mmol),反应在-30℃搅拌48h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000442
二者比例为94.5:5.5,总收率90%,1H NMR的纯度大于95%。
HPLC(Chiralpak AD-H,Hexane:i-Propanol=98:2,1mL/min,214nm):tminor=5.78min,tmajor=6.40min.[α]D 29=-90.8(1.0,CHCl3);1H NMR(400MHz,CDCl3):δ7.29-7.25(m,2H),7.20-7.16(m,1H),7.10-7.08(m,2H),2.21-2.16(m,2H),2.12-2.07(m,1H),1.90-1.79(m,6H),1.24-1.17(m,2H),1.07-1.02(m,1H);13C NMR(101MHz,CDCl3):δ141.6,128.4,126.0,125.9,123.4,45.2,38.1(2C),28.4,24.3(2C),20.8,12.8;IR(Neat):3027,3003,2962,2874,2232,1605,1498,1453,1030,754,697cm-1;MS(EI)m/z(rel):211(M+,12),184(5),141(7),117(100),104(13),91(12),77(3),51(2);HRMS(EI):calcd for C15H17N:211.1361,found:211.1365.
实施例42
氩气条件下,将
Figure BDA0001922764570000443
(1.0mmol),溴化锂(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入2.0mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),氮杂环卡宾配体
Figure BDA0001922764570000444
(系统命名为(4R,5R)-1,3-bis(4-(anthracen-9-yl)-2,6-diisopropylphenyl)-4,5-diphenyl-4,5-dihydro-1H-imidazol-3-iumtetrafluoroborate)(9.8mg,0.010mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入肉桂基碳酸叔丁酯(0.2mmol),反应在-30℃搅拌48h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000451
二者比例为93:7,总收率61%,1HNMR的纯度大于95%。
HPLC(Chiralpak AD-H,Hexane:i-Propanol=98:2,1mL/min,214nm):tminor=5.83min,tmajor=7.06min.[α]D 30=-91.3(1.0,CHCl3);1H NMR(400MHz,CDCl3):δ7.29-7.25(m,2H),7.20-7.16(m,1H),7.10-7.08(m,2H),2.20-2.10(m,3H),1.76-1.49(m,10H),1.25-1.15(m,2H),1.05-1.00(m,1H);13C NMR(101MHz,CDCl3):δ141.8,128.4,126.0,125.9,122.3,44.8,38.8,38.6,31.2,27.9(2C),23.7,23.6,20.1,12.8;IR(Neat):3063,3027,2927,2857,2231,1735,1604,1497,1460,1255,1155,1034,838,751,696cm-1;MS(EI)m/z(rel):239(M+,3),154(2),122(6),117(100),115(18),104(13),91(17),77(5),57(38),41(13);HRMS(EI):calcd for C17H21N:239.1674,found:239.1686.
实施例43
氩气条件下,将
Figure BDA0001922764570000452
(1.0mmol),溴化锂(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入2.0mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),氮杂环卡宾配体
Figure BDA0001922764570000453
(系统命名为(4R,5R)-1,3-bis(4-(anthracen-9-yl)-2,6-diisopropylphenyl)-4,5-diphenyl-4,5-dihydro-1H-imidazol-3-ium tetrafluoroborate)(9.8mg,0.010mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入肉桂基碳酸叔丁酯(0.2mmol),反应在-30℃搅拌48h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000454
二者比例为94:6,总收率91%,1H NMR的纯度大于95%。
HPLC(Chiralpak IC,Hexane:i-Propanol=98:2,1mL/min,214nm):tmajor=14.76min,tminor=19.02min.[α]D 30=-95.2(1.0,CHCl3);1H NMR(400MHz,CDCl3):δ7.28-7.24(m,2H),7.19-7.15(m,1H),7.08-7.06(m,2H),4.00-3.94(m,2H),3.70(dt,J=12.0,2.0HZ,2H),2.16-2.11(m,1H),1.97-1.91(m,2H),1.82-1.74(m,2H),1.25-1.20(m,1H),1.17-1.12(m,1H),1.06-1.01(m,1H);13C NMR(101MHz,CDCl3):δ142.6,130.0,127.5,127.4,121.9,66.1,40.9,36.9,36.7,31.1,21.0,13.0;IR(Neat):3063,2957,2925,2852,2233,1736,1604,1498,1465,1443,1243,1143,1103,1032,835,757,697cm-1;MS(EI)m/z(rel):227(M+,8),141(4),117(100),104(7),91(21),77(5),57(9),41(3);HRMS(EI):calcd for C15H17NO:227.1310,found:227.1307.
实施例44
氩气条件下,将
Figure BDA0001922764570000461
(1.0mmol),溴化锂(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入2.0mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),氮杂环卡宾配体
Figure BDA0001922764570000462
(系统命名为(4R,5R)-1,3-bis(4-(anthracen-9-yl)-2,6-diisopropylphenyl)-4,5-diphenyl-4,5-dihydro-1H-imidazol-3-ium tetrafluoroborate)(9.8mg,0.010mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入肉桂基碳酸叔丁酯(0.2mmol),反应在-30℃搅拌48h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000463
二者比例为90:10,总收率72%,1HNMR的纯度大于95%。
HPLC(Chiralpak ID,Hexane:i-Propanol=99:1,1mL/min,214nm):tminor=28.62min,tmajor=30.71min.[α]D 30=-49.9(1.0,CHCl3);1H NMR(400MHz,CDCl3):δ7.29-7.25(m,2H),7.20-7.16(m,1H),7.08-7.06(m,2H),4.14-4.09(m,2H),3.04(br,2H),2.17-2.12(m,1H),2.03-1.98(m,2H),1.68-1.57(m,2H),1.46(s,9H),1.27-1.21(m,1H),1.14-1.09(m,1H),1.07-1.02(m,1H);13C NMR(101MHz,CDCl3):δ154.4,141.1,128.5,126.1(2C),120.2,80.1,40.7,34.8,29.3,28.4,19.8,11.8;IR(Neat):3005,2975,2864,2234,1691,1605,1421,1278,1159,863,760,697cm-1;MS(EI)m/z(rel):326(M+,2),270(45),253(32),226(100),135(50),117(56),94(24),57(77),51(3);HRMS(ESI):calcd for C20H26N2NaO2[M+Na]+:349.1886,found:349.1887.
实施例45
氩气条件下,将
Figure BDA0001922764570000471
(1.0mmol),溴化锂(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入2.0mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),氮杂环卡宾配体
Figure BDA0001922764570000472
(系统命名为(4R,5R)-1,3-bis(4-(anthracen-9-yl)-2,6-diisopropylphenyl)-4,5-diphenyl-4,5-dihydro-1H-imidazol-3-iumtetrafluoroborate)(9.8mg,0.010mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入肉桂基碳酸叔丁酯(0.2mmol),反应在-30℃搅拌48h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000473
二者比例为96:4,总收率90%,1HNMR的纯度大于95%。
HPLC(Chiralpak OD-H,Hexane:i-Propanol=99:1,1mL/min,214nm):tmajor=7.11min,tminor=7.96min.[α]D 31=-84.8(1.0,CHCl3);1H NMR(400MHz,CDCl3):δ7.30-7.26(m,2H),7.20-7.16(m,1H),7.11-7.09(m,2H),2.12-2.07(m,1H),1.48(s,3H),1.47(s,3H),1.21-1.11(m,2H),1.06-1.01(m,1H);13C NMR(101MHz,CDCl3):δ141.6,128.4,126.0(2C),122.9,34.9,30.8,26.7(2C),20.6,12.6;IR(Neat):3029,2978,2935,2236,1605,1498,1466,753,697cm-1;MS(EI)m/z(rel):185(M+,10),143(13),117(100),104(8),91(13),77(6),65(3),51(3);HRMS(EI):calcd for C13H15N:185.1204,found:185.1201.
实施例46
氩气条件下,将
Figure BDA0001922764570000474
(1.0mmol),溴化锂(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入2.0mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),氮杂环卡宾配体
Figure BDA0001922764570000481
(系统命名为(4R,5R)-1,3-bis(4-(anthracen-9-yl)-2,6-diisopropylphenyl)-4,5-diphenyl-4,5-dihydro-1H-imidazol-3-iumtetrafluoroborate)(9.8mg,0.010mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000482
(0.2mmol),反应在-30℃搅拌48h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000483
比例为90:10,总收率52%,1HNMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ7.81-7.75(m,3H),7.51(s,1H),7.48-7.40(m,2H),7.22(d,J=7.6Hz,1H),2.28-2.24(m,1H),1.51(s 3H),1.50(s,3H),1.30-1.21(m,2H),1.19-1.15(m,1H);13C NMR(101MHz,CDCl3):δ139.0,133.4,132.1,128.1,127.6,127.3,126.2,125.3,124.8,124.2,123.0,35.0,31.0,26.8,26.7,20.9,12.6;IR(Neat):3058,2980,2922,2853,2235,2693,2630,1597,1505,1459,1367,1303,1251,1023,964,886,811,742,475cm-1;MS(EI)m/z(rel):235(M+,27),191(15),167(100),155(32),127(33),115(9),77(8),63(7),57(8),51(5);HRMS(EI):calcd for C17H17N:235.1361,found:235.1364;HPLC(Chiralpak IC,Hexane:i-Propanol=99.2:0.8,1mL/min,214nm):tmajor=12.57min,tminor=13.31min.[α]D 29=-50.5(1.0,CHCl3).
实施例47
氩气条件下,将
Figure BDA0001922764570000484
(1.0mmol),溴化锂(0.10mmol)和1.0mL四氢呋喃加入到10mL的反应管中,0℃下加入2.0mL六甲基二硅基胺基锂(1.0M in THF),恢复室温搅拌30min,在另外一5mL的反应管中加入氯化烯丙基钯(II)二聚物(1.9mg,0.005mmol),氮杂环卡宾配体
Figure BDA0001922764570000491
(系统命名为(4R,5R)-1,3-bis(4-(anthracen-9-yl)-2,6-diisopropylphenyl)-4,5-diphenyl-4,5-dihydro-1H-imidazol-3-iumtetrafluoroborate)(9.8mg,0.010mmol)和四氢呋喃(1.0mL),0℃下加入25μL叔丁醇钾(1.0M in THF),室温搅拌30min后,将两个反应管合并加入
Figure BDA0001922764570000492
(0.2mmol),反应在-30℃搅拌48h后,加入0.5mL水淬灭,无水硫酸钠干燥。减压除去溶剂,柱层析分离得到产物
Figure BDA0001922764570000493
比例为97:13,总收率71%,1H NMR的纯度大于95%。
87:13er;1H NMR(400MHz,CDCl3):δ7.23(s,1H),6.27(s,1H),6.00(d,J=2.8Hz,1H),2.10-2.05(m,1H),1.47(s,3H),1.45(s,3H),1.29-1.24(m,1H),1.13-1.05(m,2H);13CNMR(101MHz,CDCl3):δ154.9,140.7,122.6,110.3,104.2,34.6,28.5,26.6(2C),13.9,10.8;IR(Neat):2979,2930,2872,2237,1599,1510,1460,1372,1246,1183,1148,1013,966,798,731,597cm-1;MS(EI)m/z(rel):175(M+,51),117(7),107(100),94(24),79(75),77(57),65(12),63(5),57(1);HRMS(EI):calcd for C11H13N):175.0997,found:175.1003;HPLC(Chiralpak IE,Hexane:i-Propanol=99:1,1mL/min,214nm):tminor=10.49min,tmajor=10.99min.[α]D 29=-68.5(1.0,CHCl3).
实施例48
如式1所示的化合物的制备
步骤一:氩气条件下,将实施例45中HPLC保留时间为t=7.11min的产物(0.20mmol),1.0mL乙醚加入到10mL的反应管中,在0℃下加入LiAlH4(0.26mmol),恢复室温后,反应过夜。反应结束后,加入2.0mL饱和氯化铵水溶液淬灭,乙醚萃取(3×5mL),无水硫酸钠干燥,旋干溶剂得到产物,总收率96%。
步骤二:将步骤一得到的产物、1mL二氯甲烷和0.1mL三乙胺的混合溶液中,在0℃下加入对溴苯磺酰氯,恢复室温后,反应过夜。反应结束后,加入2.0mL水淬灭,乙醚萃取(3×5mL),无水硫酸钠干燥,旋干溶剂,得到产物即可。
如式1所示的化合物的单晶的制备
通过挥发法来培养单晶:取50mg步骤二得到的产物于10mL试管中,加入1mL二氯甲烷溶解后,再加入0.5mL正己烷。将试管置于装有15mL正己烷的锥形瓶中,将锥形瓶封口后放置在室温下结晶,即可。
检测方法X-射线单晶衍射
将上述化合物的单晶进行X-射线单晶衍射。经检测,其晶为三斜晶系,空间群属于P 1,晶胞参数为
Figure BDA0001922764570000502
具体的参数如下表所示,其X-射线单晶衍射如图1所示。
如式1所示的化合物的单晶参数
Figure BDA0001922764570000501
Figure BDA0001922764570000511
由所得X-射线单晶衍射的表征结果表明,可以确定如式1所示的化合物的构型为
Figure BDA0001922764570000512
从而可以推导出实施例45中HPLC保留时间为t=7.11min产物的构型为
Figure BDA0001922764570000513
应用实施例1
氩气条件下,将
Figure BDA0001922764570000514
(0.074mmol),1.0mL乙醚加入到10mL的反应管中,0℃下加入45μL苯基溴化镁(2.5M in Et2O),加热至80℃反应过夜。加入2.0mL饱和氯化铵水溶液淬灭,乙醚萃取(3×5mL),无水硫酸钠干燥,柱层析得到产物
Figure BDA0001922764570000515
总收率75%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ7.70-7.68(m,2H),7.45-7.41(m,1H),7.36-7.32(m,2H),7.27-7.23(m,2H),7.17-7.14(m,1H),7.06-7.04(m,2H),2.24-2.18(m,2H),2.07-2.02(m,1H),1.60-1.57(m,3H),1.38-1.32(m,3H),1.25-1.24(m,3H),1.18-1.13(m,1H),107-1.02(m,1H);13C NMR(101MHz,CDCl3):δ208.2,142.5,139.5,130.7,128.3,127.9,127.7,125.8,125.7,50.5,33.5,33.2,31.9,25.9,23.3(2C),20.8,13.1;IR(Neat):3066,2927,2857,1667,1599,1496,1449,1324,1226,1159,1127,1068,984,931,781,749,693cm-1;MS(EI)m/z(rel):304(M+,10),243(5),200(34),131(14),117(100),105(82),91(73),77(43),67(11),55(16);HRMS(EI):calcd for C12H24O2:304.1827,found:304.1833.
应用实施例2
氩气条件下,将
Figure BDA0001922764570000516
(0.20mmol),1.0mL乙醚加入到10mL的反应管中,0℃下加入LiAlH4(0.26mmol),恢复室温反应过夜。加入2.0mL饱和氯化铵水溶液淬灭,乙醚萃取(3×5mL),无水硫酸钠干燥,旋干溶剂得到产物
Figure BDA0001922764570000517
总收率96%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ7.27-7.23(m,2H),7.16-7.12(m,1H),7.08-7.07(m,2H),2.57(s,2H),1.81-1.76(m,1H),1.30(br,2H),0.98-0.88(m,2H),0.83-0.79(m,7H);13C NMR(101MHz,CDCl3):δ143.8,128.3,125.8,125.3,54.4,34.5,31.8,23.0,22.8,18.2,11.0;IR(Neat):3064,3026,2954,1602,1496,1465,1363,1118,1070,1030,875,755,696cm-1;MS(EI)m/z(rel):189(M+,15),172(7),159(11),143(18),133(100),129(32),117(74),104(22),91(44),77(14),55(12);HRMS(EI):calcd for C13H19N:189.1517,found:189.1521.
应用实施例3
氩气条件下,将
Figure BDA0001922764570000521
(0.10mmol),1.0mL水,1mL冰乙酸和1mL浓硫酸加入到25mL的反应管中,110下℃反应过夜。乙酸乙酯萃取(3×5mL),无水硫酸钠干燥,柱层析得到产物
Figure BDA0001922764570000522
总收率52%,1H NMR的纯度大于95%。
1H NMR(400MHz,CDCl3):δ7.38-7.29(m,5H),5.76(br,1H),4.13(d,J=9.2Hz,1H),2.26-2.17(m,1H),1.92-1.85(m,1H),1.74-1.24(m,9H),0.97(d,J=7.2Hz,3H);13C NMR(101MHz,CDCl3):δ182.1,141.0,128.7,128.0,126.4,62.1,52.1,45.3,33.4,28.0,25.8,21.9,21.6,11.2;IR(Neat):3166,3065,3031,2922,2855,1675,1446,1339,1276,1233,1088,1063,841,802,697,664cm-1;MS(EI)m/z(rel):243(M+,38),228(17),202(10),188(100),175(22),160(13),117(11),106(25),91(15),81(15),77(11),67(9);HRMS(EI):calcd for C16H21NO:243.1623,found:243.1627。

Claims (23)

1.一种如式I所示的环丙烷类化合物的制备方法,其特征在于,其包括以下步骤:保护气体下,在碱性试剂、氮杂环卡宾配体与钯催化剂存在下,将化合物A与化合物B在有机溶剂中进行如下式反应,得到如式I所示的环丙烷类化合物,即可;
Figure FDA0003742942070000011
所述碱性试剂为六甲基二硅基胺基锂、六甲基二硅基胺基钠、二异丙基氨基锂、碱金属醇盐和碱金属碳酸盐一种或多种;
所述氮杂环卡宾配体为非手性氮杂环卡宾配体和/或手性氮杂环卡宾配体;
所述钯催化剂为金属钯和/或钯络合物;
其中,M+为K+、Na+或Li+
R1和R2独立地为直链C1-10烷基、R1-1取代的直链C1-10烷基、支链C3-10烷基、R1-2取代的支链C3-10烷基、C3-10环烷基、R1-3取代的C3-10环烷基、C3-10杂环烷基、或、R1-4取代的C3-10杂环烷基;所述C3-10杂环烷基为杂原子选自N、O和S中一种或多种,杂原子数为1~4个的C3-10杂环烷基;所述R1-4取代的C3-10杂环烷基中的C3-10杂环烷基为杂原子选自N、O和S中一种或多种,杂原子数为1~4个的C3-10杂环烷基;
R1-1和R1-2独立地为卤素或羟基;R1-3和R1-4独立地为卤素、羟基、直链C1-10烷基、支链C3-10烷基或C1-10烷氧基;
或者,R1、R2及与它们相连的碳一起形成C3-10环烷基,R2-1取代的C3-10环烷基,C3-10杂环烷基,或,R2-2取代的C3-10杂环烷基;所述C3-10杂环烷基为杂原子选自N、O和S中一种或多种,杂原子数为1~4个的C3-10杂环烷基;所述R2-2取代的C3-10杂环烷基中的C3-10杂环烷基为杂原子选自N、O和S中一种或多种,杂原子数为1~4个的C3-10杂环烷基;
R2-1和R2-2独立地为卤素、羟基、直链C1-10烷基、支链C3-10烷基、C1-10烷氧基、氨基或
Figure FDA0003742942070000012
其中R2m为C1-4烷基;
R3为C1-10烷氧基、C6-30芳基、R3-1取代的C6-30芳基、C3-30杂芳基、R3-2取代的C3-30杂芳基、C2-10炔基、R3-3取代的C2-10炔基、
Figure FDA0003742942070000013
所述C3-30杂芳基为杂原子选自N、O和S中一种或多种,杂原子数为1~4个的C3-30杂芳基;所述R3-2取代的C3-30杂芳基中的C3-30杂芳基为杂原子选自N、O和S中一种或多种,杂原子数为1~4个的C3-30杂芳基;
R3-1和R3-2独立地为直链C1-10烷基、支链C3-10烷基、C1-10烷氧基、卤素、硝基或氰基;R3-3独立地为卤素、C2-10烯基、C1-10烷氧基、C6-30芳基、苯氧基或R3-3-1取代的C6-30芳基;R3-4独立地为C6-30芳基、或、R3-4-1取代的C6-30芳基;R3-5a、R3-5b和R3-5c独立地为直链C1-10烷基或支链C3-10烷基;
R3-3-1和R3-4-1独立地为直链C1-10烷基、支链C3-10烷基、C1-10烷氧基或卤素;
R1-1、R1-2、R1-3、R1-4、R2-1、R2-2、R3-1、R3-2、R3-3、R3-3-1和R3-4-1的个数独立地为1个或多个;当R1-1、R1-2、R1-3、R1-4、R2-1、R2-2、R3-1、R3-2、R3-3、R3-3-1和R3-4-1的个数独立地为多个时,R1-1、R1-2、R1-3、R1-4、R2-1、R2-2、R3-1、R3-2、R3-3、R3-3-1和R3-4-1独立地相同或不同。
2.如权利要求1所述的制备方法,其特征在于,所述如式I所示的环丙烷类化合物为
Figure FDA0003742942070000021
和/或
Figure FDA0003742942070000022
和/或,R1和R2中,所述直链C1-10烷基为直链C1-6烷基;
和/或,R1和R2中,所述R1-1取代的直链C1-10烷基中的直链C1-10烷基为直链C1-6烷基;
和/或,R1和R2中,所述支链C3-10烷基和R1-2取代的支链C3-10烷基中的支链C3-10烷基独立地为支链C3-6烷基;
和/或,R1和R2中,所述C3-10环烷基为C4-10环烷基;
和/或,R1和R2中,所述R1-3取代的C3-10环烷基中的C3-10环烷基为C4-10环烷基;
和/或,R1和R2中,所述C3-10杂环烷基和所述R1-4取代的C3-10杂环烷基中的C3-10杂环烷基独立地为C4-10杂环烷基;
和/或,当R1、R2及与它们相连的碳一起形成C3-10环烷基时,所述C3-10环烷基为C4-10环烷基;
和/或,当R1、R2及与它们相连的碳一起形成C3-10杂环烷基时,所述C3-10杂环烷基为C4-10杂环烷基;
和/或,当R1、R2及与它们相连的碳一起形成C3-10杂环烷基时,所述C3-10杂环烷基中的杂原子为O和/或N;
和/或,当R1、R2及与它们相连的碳一起形成C3-10杂环烷基时,所述C3-10杂环烷基中的杂原子的个数为1个或2个;当所述杂原子为多个时,杂原子相同或不同;
和/或,当R1、R2及与它们相连的碳一起形成R2-2取代的C3-10杂环烷基时,所述R2-2取代的C3-10杂环烷基中的C3-10杂环烷基为C4-10杂环烷基;
和/或,当R1、R2及与它们相连的碳一起形成R2-2取代的C3-10杂环烷基时,所述R2-2取代的C3-10杂环烷基中的杂原子为O和/或N;
和/或,当R1、R2及与它们相连的碳一起形成R2-2取代的C3-10杂环烷基时,所述R2-2取代的C3-10杂环烷基中的杂原子的个数为1或2;当所述杂原子为多个时,杂原子相同或不同;
和/或,当R1、R2及与它们相连的碳一起形成R2-2取代的C3-10杂环烷基时,所述R2-2取代的C3-10杂环烷基中的C3-10杂环烷基为C4-10杂环烷基;
和/或,当R1、R2及与它们相连的碳一起形成R2-2取代的C3-10杂环烷基时,所述R2-2的个数为1、2或3;当所述R2-2为多个时,所述R2-2相同或不同;
和/或,R3中,所述C6-30芳基和所述R3-1取代的C6-30芳基中的C6-30芳基独立地为C6-14芳基;
和/或,R3中,所述R3-1取代的C6-30芳基中的R3-1的个数为1、2或3;当所述R3-1为多个时,所述R3-1相同或不同;
和/或,R3中,所述R3-1取代的C6-30芳基中的R3-1取代位置为“芳基与其它基团连接位点”的邻位和/或对位;
和/或,R3-1中,所述直链C1-10烷基为直链C1-6烷基;
和/或,R3-1中,所述支链C3-10烷基为支链C3-6烷基;
和/或,R3-1中,所述C1-10烷氧基为C1-6烷氧基;
和/或,R3中,所述C3-30杂芳基为C6-14杂芳基;
和/或,R3中,所述C3-30杂芳基中的杂原子为N和/或O;
和/或,R3中,所述C3-30杂芳基中的杂原子的个数为1或2;当所述杂原子的个数为多个时,杂原子相同或不同;
和/或,R3中,所述C2-10炔基为C2-7炔基;
和/或,R3中,所述R3-3取代的C2-10炔基中C2-10炔基为C2-7炔基;
和/或,R3中,所述R3-3取代的C2-10炔基中的R3-3的个数为1、2或3;当所述R3-3的个数为多个时,R3-3相同或不同;
和/或,R3-3中,所述卤素为F、Cl、Br或I;
和/或,R3-3中,所述C2-10烯基为C2-6烯基;
和/或,R3-3中,所述C6-30芳基为C6-14芳基;
和/或,R3-4中,所述C6-30芳基为C6-14芳基;
和/或,R3-5a、R3-5b和R3-5c中,所述直链C1-10烷基独立地为直链C1-6烷基;
和/或,当R1为直链C1-10烷基、R1-1取代的直链C1-10烷基、支链C3-10烷基或R1-2取代的支链C3-10烷基时,R1和R2相同。
3.如权利要求2所述的制备方法,其特征在于,
R1和R2中,所述直链C1-10烷基为直链C1-3烷基;
和/或,R1和R2中,所述R1-1取代的直链C1-10烷基中的直链C1-10烷基为直链C1-3烷基;
和/或,R1和R2中,所述C3-10环烷基为C4-7环烷基;
和/或,R1和R2中,所述R1-3取代的C3-10环烷基中的C3-10环烷基为C4-7环烷基;
和/或,R1和R2中,所述C3-10杂环烷基和所述R1-4取代的C3-10杂环烷基中的C3-10杂环烷基独立地为C4-6杂环烷基;
和/或,当R1、R2及与它们相连的碳一起形成C3-10环烷基时,所述C3-10环烷基为C4-7环烷基;
和/或,当R1、R2及与它们相连的碳一起形成C3-10杂环烷基时,所述C3-10杂环烷基为C4-6杂环烷基;
和/或,当R1、R2及与它们相连的碳一起形成C3-10杂环烷基时,所述C3-10杂环烷基中的杂原子为O;
和/或,当R1、R2及与它们相连的碳一起形成C3-10杂环烷基时,所述C3-10杂环烷基中的杂原子的个数为1个;
和/或,当R1、R2及与它们相连的碳一起形成R2-2取代的C3-10杂环烷基时,所述R2-2取代的C3-10杂环烷基中的C3-10杂环烷基为C4-6杂环烷基;
和/或,当R1、R2及与它们相连的碳一起形成R2-2取代的C3-10杂环烷基时,所述R2-2取代的C3-10杂环烷基中的杂原子为N;
和/或,当R1、R2及与它们相连的碳一起形成R2-2取代的C3-10杂环烷基时,所述R2-2取代的C3-10杂环烷基中的杂原子的个数为1;
和/或,当R1、R2及与它们相连的碳一起形成R2-2取代的C3-10杂环烷基时,所述R2-2取代的C3-10杂环烷基中的C3-10杂环烷基为C4-6杂环烷基;
和/或,当R1、R2及与它们相连的碳一起形成R2-2取代的C3-10杂环烷基时,所述R2-2的个数为1;
和/或,R3中,所述C6-30芳基和所述R3-1取代的C6-30芳基中的C6-30芳基独立地为C6-10芳基;
和/或,R3中,所述R3-1取代的C6-30芳基中的R3-1的个数为1;
和/或,R3中,所述R3-1取代的C6-30芳基中的R3-1取代位置为“芳基与其它基团连接位点”的对位;
和/或,R3-1中,所述直链C1-10烷基为直链C1-3烷基;
和/或,R3-1中,所述支链C3-10烷基为支链C3-4烷基;
和/或,R3-1中,所述C1-10烷氧基为C1-3烷氧基;
和/或,R3中,所述C3-30杂芳基为C6-10杂芳基;
和/或,R3中,所述C3-30杂芳基中的杂原子为O;
和/或,R3中,所述C3-30杂芳基中的杂原子的个数为1;
和/或,R3中,所述C2-10炔基为C4-7炔基;
和/或,R3中,所述R3-3取代的C2-10炔基中C2-10炔基为R3-3取代的C2-5炔基;
和/或,R3中,所述R3-3取代的C2-10炔基中的R3-3的个数为1;
和/或,R3-3中,所述卤素为Cl;
和/或,R3-3中,所述C2-10烯基为C2-3烯基;
和/或,R3-3中,所述C6-30芳基为C6-10芳基;
和/或,R3-4中,所述C6-30芳基为C6-10芳基;
和/或,R3-5a、R3-5b和R3-5c中,所述直链C1-10烷基独立地为直链C1-3烷基。
4.如权利要求3所述的制备方法,其特征在于,所述直链C1-10烷基为甲基、乙基或正丙基;
和/或,R1和R2中,所述C3-10环烷基为环丁基、环戊基、环己基或环庚基;
和/或,当R1、R2及与它们相连的碳一起形成C3-10杂环烷基时,所述C3-10杂环烷基为杂环己基;
和/或,当R1、R2及与它们相连的碳一起形成R2-2取代的C3-10杂环烷基时,所述R2-2取代的C3-10杂环烷基中的C3-10杂环烷基为杂环己基;
和/或,当R1、R2及与它们相连的碳一起形成R2-2取代的C3-10杂环烷基时,所述R2-2取代的C3-10杂环烷基中的C3-10杂环烷基为哌啶基;
和/或,R3中,所述C6-30芳基和所述R3-1取代的C6-30芳基中的C6-30芳基独立地为苯基或萘基;
和/或,R3-1中,所述直链C1-10烷基为甲基;
和/或,R3-1中,所述支链C3-10烷基为异丙基;
和/或,R3-1中,所述C1-10烷氧基为甲氧基;
和/或,R3中,所述C2-10炔基为
Figure FDA0003742942070000051
Figure FDA0003742942070000052
和/或,R3中,所述R3-3取代的C2-10炔基中C2-10炔基为R3-3取代的乙炔基、丙炔基、丁炔基或戊炔基;
和/或,R3-3中,所述C2-10烯基为乙烯基;
和/或,R3-3中,所述C6-30芳基为苯基;
和/或,R3-4中,所述C6-30芳基为苯基;
和/或,R3-5a、R3-5b和R3-5c中,所述直链C1-10烷基独立地为甲基。
5.如权利要求4所述的制备方法,其特征在于,
R1和R2中,所述直链C1-10烷基为甲基或乙基;
和/或,R1和R2中,所述C3-10环烷基为环己基或环庚基。
6.如权利要求2所述的制备方法,其特征在于,
R1、R2及与它们相连的碳一起形成C3-10杂环烷基,所述C3-10杂环烷基为“杂原子为O或N,个数为1或2个”的C4-10杂环烷基;
和/或,所述R2-2取代的C3-10杂环烷基为“卤素、直链C1-10烷基、支链C3-10烷基、C1-10烷氧基或
Figure FDA0003742942070000061
个数为1个、2个或3个”取代的“杂原子为O或N,个数为1或2个”的C4-10杂环烷基;
和/或,R3中,所述R3-1取代的C6-30芳基为“卤素、直链C1-10烷基、支链C3-10烷基或C1-10烷氧基,个数为1、2或3个,“芳基与其它基团连接位点”的邻位和/或对位”取代的C6-14芳基;
和/或,R3中,所述C3-30杂芳基为“杂原子为N或O,个数为1或2个”的C3-14杂芳基;
和/或,R3中,所述R3-3取代的C2-10炔基为“卤素、C2-10烯基、C6-30芳基或苯氧基,个数为1、2或3个”取代的C2-7炔基。
7.如权利要求6所述的制备方法,其特征在于,
R1、R2及与它们相连的碳一起形成C3-10杂环烷基,所述C3-10杂环烷基为“杂原子为O,个数为1个”的C4-6杂环烷基;
和/或,所述R2-2取代的C3-10杂环烷基为
Figure FDA0003742942070000062
个数为1”取代的“杂原子为N,个数为1”的C4-6杂环烷基;
和/或,R3中,所述R3-1取代的C6-30芳基为“直链C1-10烷基,个数为1个,对位”取代的C6-10芳基;
和/或,R3中,所述C3-30杂芳基为“杂原子为O,个数为1个”的C3-10杂芳基;
和/或,R3中,所述R3-3取代的C2-10炔基为“卤素或C2-10烯基,个数为1个”取代的C2-5炔基。
8.如权利要求7所述的制备方法,其特征在于,
R1、R2及与它们相连的碳一起形成C3-10杂环烷基,所述C3-10杂环烷基为
Figure FDA0003742942070000063
和/或,所述R2-2取代的C3-10杂环烷基为
Figure FDA0003742942070000064
和/或,R3中,所述R3-1取代的C6-30芳基为
Figure FDA0003742942070000071
和/或,R3中,所述C3-30杂芳基为
Figure FDA0003742942070000072
和/或,R3中,所述R3-3取代的C2-10炔基为
Figure FDA0003742942070000073
9.如权利要求1所述的制备方法,其特征在于,
R1和R2独立地为C1-10烷基或C3-10环烷基;
和/或,R1、R2及与它们相连的碳一起形成C3-10环烷基、C3-10杂环烷基或R2-2取代的C3-10杂环烷基;
和/或,R2-2取代的C3-10杂环烷基中,所述R2-2独立地为卤素、直链C1-10烷基、支链C3-10烷基、C1-10烷氧基或
Figure FDA0003742942070000074
和/或,R3为C6-30芳基、R3-1取代的C6-30芳基、C3-30杂芳基、C2-10炔基、R3-3取代的C2-10炔基、
Figure FDA0003742942070000075
和/或,R3-1取代的C6-30芳基中,所述R3-1独立地为卤素、直链C1-10烷基、支链C3-10烷基或C1-10烷氧基;
和/或,R3-3取代的C2-10炔基中,所述R3-3为卤素、C2-10烯基、C6-30芳基或苯氧基。
10.如权利要求9所述的制备方法,其特征在于,
R1和R2独立地为C1-10烷基,
和/或,R1、R2及与它们相连的碳一起形成C3-10环烷基;
和/或,R2-2取代的C3-10杂环烷基中,所述R2-2独立地为
Figure FDA0003742942070000076
和/或,R3为C6-30芳基、R3-1取代的C6-30芳基、C3-30杂芳基、C2-10炔基或R3-3取代的C2-10炔基;
和/或,R3-1取代的C6-30芳基中,所述R3-1独立地为直链C1-10烷基;
和/或,R3-3取代的C2-10炔基中,所述R3-3为卤素或C2-10烯基。
11.如权利要求10所述的制备方法,其特征在于,
R1和R2独立地为甲基、乙基或环己基;
和/或,R1、R2及与它们相连的碳一起形成C3-7环烷基;
和/或,R2-2取代的C3-10杂环烷基中,所述R2-2独立地为
Figure FDA0003742942070000081
和/或,R3
Figure FDA0003742942070000082
Figure FDA0003742942070000083
12.如权利要求11所述的制备方法,其特征在于,
R1和R2独立地为甲基或乙基;
和/或,R1、R2及与它们相连的碳一起形成
Figure FDA0003742942070000084
Figure FDA0003742942070000085
和/或,R3
Figure FDA0003742942070000086
Figure FDA0003742942070000087
13.如权利要求12所述的制备方法,其特征在于,
R1、R2及与它们相连的碳一起形成
Figure FDA0003742942070000088
和/或,R3
Figure FDA0003742942070000091
Figure FDA0003742942070000092
14.如权利要求1所述的制备方法,其特征在于,
R1和R2独立地为C1-10烷基或C3-10环烷基;或者,R1、R2及与它们相连的碳一起形成C3-10环烷基、C3-10杂环烷基或R2-2取代的C3-10杂环烷基;
R3为C6-30芳基、R3-1取代的C6-30芳基、C3-30杂芳基、C2-10炔基、R3-3取代的C2-10炔基、
Figure FDA0003742942070000093
15.如权利要求1所述的制备方法,其特征在于,
如式I所示的环丙烷类化合物,其为如下化合物:
Figure FDA0003742942070000094
Figure FDA0003742942070000101
16.如权利要求15所述的制备方法,其特征在于,
如式I所示的环丙烷类化合物,其为如下化合物:
Figure FDA0003742942070000102
Figure FDA0003742942070000111
Figure FDA0003742942070000121
17.如权利要求1所述的制备方法,其特征在于,
所述保护气体为氖气、氩气、氪气、氙气和氡气中的一种或多种;
和/或,所述碱性试剂为六甲基二硅基胺基锂和/或碱金属醇盐;
和/或,所述钯催化剂为钯络合物;
和/或,所述有机溶剂为醚类溶剂、芳烃类溶剂和烷烃类溶剂中的一种或多种;
和/或,所述碱性试剂与所述化合物B的摩尔比值为0.1~0.5;
和/或,所述氮杂环卡宾配体与所述化合物B的摩尔比值为0.01-0.10;
和/或,所述钯催化剂与所述化合物B的摩尔比值为0.005~0.1;
和/或,所述化合物A与所述的化合物B的摩尔比值为1~5;
和/或,所述有机溶剂的体积与所述的化合物B的摩尔的体积摩尔比为10~20ml/mmol;
和/或,所述化合物A以
Figure FDA0003742942070000122
的形式进行反应;
和/或,所述化合物A为
Figure FDA0003742942070000131
Figure FDA0003742942070000132
和/或,所述化合物B为
Figure FDA0003742942070000133
Figure FDA0003742942070000134
和/或,所述反应的温度为-30℃~50℃。
18.如权利要求17所述的制备方法,其特征在于,
所述保护气体为氮气和/或氩气;
和/或,所述碱性试剂与所述化合物B的摩尔比值为0.1~0.2;
和/或,所述氮杂环卡宾配体与所述化合物B的摩尔比值为0.02~0.08;
和/或,所述钯催化剂与所述化合物B的摩尔比值为0.01~0.04;
和/或,所述化合物A与所述的化合物B的摩尔比值为2~5;
和/或,所述反应的温度为-30℃~40℃。
19.如权利要求17所述的制备方法,其特征在于,
当所述碱性试剂为碱金属醇盐时,所述碱金属醇盐为RaONa、RbOK、RcOLi中的一种或多种,其中,Ra、Rb和Rc独立地为C1-4烷基;
和/或,当所述碱性试剂为碱金属碳酸盐时,所述碱金属碳酸盐为碳酸铯和/或碳酸钾;
和/或,当所述的氮杂环卡宾配体为非手性氮杂环卡宾配体时,所述非手性氮杂环卡宾配体为
Figure FDA0003742942070000141
中一种或多种,其中,X1、X2和X3独立地为卤素、OTf或BF4;Rd1、Rd2、Rd3、Rd4、Rd5、Re1、Re2、Re3、Re4、Re5、Rf1、Rf2、Rf3、Rf4、Rf5、Rs1、Rs2、Rs3、Rs4和Rs5独立地为H、C1-10烷基或
Figure FDA0003742942070000142
Ad为金刚烷基;
和/或,当所述的氮杂环卡宾配体为手性氮杂环卡宾配体时,所述手性氮杂环卡宾配体为
Figure FDA0003742942070000143
Figure FDA0003742942070000144
中一种或多种,其中,X4、X5、和X6独立地为卤素、OTf或BF4;Rm1、Rm2、Rm3、Rm4、Rm5、Rn1、Rn2、Rn3、Rn4、Rn5、Ro1、Ro2、Ro3、Rq1、Rq2或Rq3独立地为H、C1-10烷基、
Figure FDA0003742942070000145
和/或,当所述钯催化剂为钯络合物时,所述钯络合物为氯化烯丙基钯(II)二聚物、双二亚苄基丙酮钯、醋酸钯和氯化钯中的一种或多种;
和/或,当所述有机溶剂为醚类溶剂时,所述的醚类溶剂为四氢呋喃、乙二醇二甲醚、乙醚和二氧六环中的一种或多种。
20.如权利要求19所述的制备方法,其特征在于,
当所述碱性试剂为碱金属醇盐时,所述碱金属醇盐为RbOK;
和/或,当所述的氮杂环卡宾配体为非手性氮杂环卡宾配体时,所述非手性氮杂环卡宾配体为
Figure FDA0003742942070000151
Figure FDA0003742942070000152
中一种或多种;
和/或,当所述的氮杂环卡宾配体为手性氮杂环卡宾配体时,所述手性氮杂环卡宾配体为
Figure FDA0003742942070000153
Figure FDA0003742942070000154
Figure FDA0003742942070000155
中一种或多种;
和/或,当所述钯催化剂为钯络合物时,所述钯络合物为氯化烯丙基钯(II)二聚物;
和/或,当所述有机溶剂为醚类溶剂时,所述的醚类溶剂为四氢呋喃。
21.如权利要求20所述的制备方法,其特征在于,
当所述碱性试剂为碱金属醇盐时,所述碱金属醇盐为叔丁醇钾;
和/或,当所述的氮杂环卡宾配体为非手性氮杂环卡宾配体时,所述非手性氮杂环卡宾配体为
Figure FDA0003742942070000156
和/或,当所述的氮杂环卡宾配体为手性氮杂环卡宾配体时,所述手性氮杂环卡宾配体为
Figure FDA0003742942070000161
22.如权利要求17所述的制备方法,其特征在于,
当所述述氮杂环卡宾配体为非手性氮杂环卡宾配体为时,所述如式I所示的环丙烷类化合物的制备方法,得到产物I-A1和产物I-A2;其中,所述产物I-A1与所述产物I-A2的摩尔比值为1:1;
Figure FDA0003742942070000162
和/或,当所述述氮杂环卡宾配体为手性氮杂环卡宾配体为时,所述如式I所示的环丙烷类化合物的制备方法,得到所述产物I-A1和所述产物I-A2;其中,所述产物I-A1与所述产物I-A2的摩尔比值大于1。
23.如权利要求7~22任一项所述的制备方法,其特征在于,其还包括以下步骤:在卤化银作用下,将化合物C和碱性试剂在有机溶剂中进行如下反应,得到所述化合物A,即可;
Figure FDA0003742942070000163
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