CN115093410A - 一种β-咔啉类化合物的制备方法 - Google Patents

一种β-咔啉类化合物的制备方法 Download PDF

Info

Publication number
CN115093410A
CN115093410A CN202210787707.6A CN202210787707A CN115093410A CN 115093410 A CN115093410 A CN 115093410A CN 202210787707 A CN202210787707 A CN 202210787707A CN 115093410 A CN115093410 A CN 115093410A
Authority
CN
China
Prior art keywords
tryptamine
compound
beta
nmr
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210787707.6A
Other languages
English (en)
Other versions
CN115093410B (zh
Inventor
贾振华
张振国
纪亮
罗德平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Tech University
Original Assignee
Nanjing Tech University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Tech University filed Critical Nanjing Tech University
Priority to CN202210787707.6A priority Critical patent/CN115093410B/zh
Publication of CN115093410A publication Critical patent/CN115093410A/zh
Application granted granted Critical
Publication of CN115093410B publication Critical patent/CN115093410B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D471/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04Ortho-condensed systems
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H1/00Processes for the preparation of sugar derivatives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H13/00Compounds containing saccharide radicals esterified by carbonic acid or derivatives thereof, or by organic acids, e.g. phosphonic acids
    • C07H13/02Compounds containing saccharide radicals esterified by carbonic acid or derivatives thereof, or by organic acids, e.g. phosphonic acids by carboxylic acids
    • C07H13/08Compounds containing saccharide radicals esterified by carbonic acid or derivatives thereof, or by organic acids, e.g. phosphonic acids by carboxylic acids having the esterifying carboxyl radicals directly attached to carbocyclic rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H15/00Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
    • C07H15/26Acyclic or carbocyclic radicals, substituted by hetero rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J43/00Normal steroids having a nitrogen-containing hetero ring spiro-condensed or not condensed with the cyclopenta(a)hydrophenanthrene skeleton
    • C07J43/003Normal steroids having a nitrogen-containing hetero ring spiro-condensed or not condensed with the cyclopenta(a)hydrophenanthrene skeleton not condensed

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Biotechnology (AREA)
  • Genetics & Genomics (AREA)
  • Molecular Biology (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)

Abstract

本发明公开了一种β‑咔啉类化合物的制备方法,属于有机化学合成技术领域。该β‑咔啉类化合物是具有式Ⅲ所示的化合物。本发明在氧气氛围下,能够通过色胺和醛在离子对盐催化三苯碳四(五氟苯基)硼酸盐(Ph3C+[B(C6F5)4])的条件下一步制得式Ⅲ所示的β‑咔啉类化合物。本发明提供β‑咔啉类化合物的新合成路线具有新颖、高效、原子经济性高、反应条件温和和底物适用范围广等优点,在天然产物活性物质或者小分子药物分子合成领域具有潜在的应用前景。本发明制备方法中所需的催化剂为非金属类型的催化剂,与现有的金属催化的合成方法相比,合成过程更易于纯化,不存在金属残留的问题。作为医药中间体,不存在金属残留导致的生物毒性。
Figure DDA0003732161520000011

Description

一种β-咔啉类化合物的制备方法
技术领域
本发明涉及有机化学合成技术领域,尤其涉及一种β-咔啉类化合物及其制备方法。
背景技术
β-咔啉是一种极其重要的化合物,存在于植物、海洋生物、细菌、真菌、食品等自然资源中,具有多种多样的生物活性,包括抗疟疾、抗肿瘤和抗艾滋病毒等。其中一些作为地西泮拮抗剂而受到关注,另一些则与中枢神经系统的苯二氮卓受体表现出强大的结合亲和力,从而发挥地西泮拮抗剂的作用。因此,开发温和而实用的芳香β-咔啉合成方法是化学家们关注的热点。
基于1,2,3,4-四氢化-β-咔啉构建芳香β-咔啉框架是比较主流的方法,因为四氢-β-咔啉易通过Pictet-Spengler反应制得。四氢-β-咔啉通过使用不同的条件和不同的试剂,将其进行芳构化。另外由于3,4-二氢-β-咔啉可以通过Bischler Napieralski环化反应得到,因此,3,4-二氢-β-咔啉的芳构化反应也是获得β-咔啉的一种方法。然而,无受体脱氢法采用贵金属作为催化剂,氧化法往往使用强氧化剂。有报道称以C或者S负载的Pd作为催化剂或者使用过量的氧化剂如SeO2、MnO2、KMnO4,在高沸点烃类溶剂中长时间高温处理。这些方法大多需要剧烈的条件。氯醌,DDQ,三氯异氰尿酸,PhI(OAc)2,NCS和IBX也被用于参与芳构化,但这些方法的缺点是:容易产生贵金属残留问题、需使用过量的试剂、产生大量的化学废物、反应效率低并且反应适用范围比较有限。
氧气是空气的重要组成部分,而空气是地球上最丰富的资源之一,因此氧气被认为是一种清洁和生态友好的氧化剂,具有安全、无毒、廉价、易得等优点。近几十年来,越来越多的研究人员利用氧气作为氧化剂进行各种氧化反应。然而,由于3,4-二氢-β-咔啉在大多数溶剂中溶解度低,利用空气作为氧化剂进行3,4-二氢-β-咔啉氧化转化为芳香β-咔啉仍然是一项非常具有挑战性的课题。
Wendlandt等人[22]还报道了一种模拟生物合成的路线,用于3,4-二氢-β-咔啉的合成,但此合成方法不能进一步得到芳香化的β-咔啉。
到目前为止,很少有关于一锅法无金属催化以色胺与醛为反应物直接形成β-咔啉的报道。
发明内容
本发明的目的在于提供一种β-咔啉类化合物的制备方法,在该制备方法中,原料简单易得,底物范围宽阔,反应条件温和,只使用少量的催化剂,成本低,反应效率高。本发明制备方法中所需的催化剂为非金属类型的催化剂,与现有的金属催化的合成方法相比,合成过程更易于纯化,不存在金属残留的问题。
为了解决本发明的技术问题,提出的技术方案为:一种β-咔啉类化合物的制备方法,,该方法包括以下步骤:
Figure BDA0003732161500000011
上式(Ⅲ)中,R1为氢、甲基、甲氧基、三氟甲基、三氟甲氧基、氟、氯、溴、碘、羟基中的任意一种;
R2为氢、甲基、羧基、甲氧酰基、乙氧酰基中的任意一种;
R3为苯基、对甲基苯基、邻甲基苯基、间甲基苯基、对甲氧基苯基、间甲氧基苯基、邻甲氧基苯基、对氟苯基、邻氟苯基、间氟苯基、对氯苯基、邻氯苯基、间氯苯基、对溴苯基、邻溴苯基、间溴苯基、对羟基苯基、间羟基苯基、邻羟基苯基、对乙基苯基、对异丙基苯基、对叔丁基苯基、3,4,5-三氟苯基、五氟苯基、4-二甲氨基苯基、4-丙酰氧基苯基、对三氟甲基苯基、间三氟甲基苯基、邻三氟甲基苯基、对三氟甲氧基苯基、间三氟甲氧基苯基、邻三氟甲氧基苯基、2,5-二氯苯基、对乙炔基苯基、对乙烯基苯基、对氰基苯基、对硝基苯基、4-联苯基、间苯氧基苯基、4-甲磺酰基苯基、4-羧基苯基、3,4-二甲基苯基、2-萘基、3-吲哚基、2-噻吩基、2-吡咯基、2-吡啶基、3-吡啶基、苯并咪唑、N-乙基-3-咔啉基中的任意一种;
具体制备步骤如下:
(1)在氧气氛围下,将色胺或色胺衍生物式(Ⅰ)、醛类衍生物式(Ⅱ)以及三苯碳四(五氟苯基)硼酸盐催化剂依次加入至反应器中,然后加入水或有机溶剂,得到混合物,其中,所述色胺或者色胺衍生物、芳香醛衍生物、三苯碳四(五氟苯基)硼酸盐(Ph3C+[B(C6F5)4]-)以及溶剂的摩尔体积比为:0.1mmol~10mmol:0.15mmol~15mmol:0.02mmol~2mmol:1mL~20mL;
(2)将步骤(1)中得到的混合物在加热条件下反应12~24小时,得到β-咔啉类化合物式(Ⅲ)。
优选的,在步骤(2)中所述加热温度为120℃,反应时间为12小时,步骤(1)中所述溶剂为甲苯,色胺或色胺衍生物、芳香醛衍生物、离子对催化剂以及溶剂的摩尔体积比为:0.2mmol:0.3mmol:0.04mmol:1mL。
优选的,在步骤(1)中所述色胺或色胺衍生物为色胺及盐酸盐、5-氯色胺及盐酸盐、5-溴色胺及盐酸盐、5-甲基色胺及盐酸盐、5-甲氧基色胺及盐酸盐、色胺酸、色胺酸甲酯及盐酸盐、色胺酸乙酯及盐酸盐中的任意一种。
优选的,在步骤(1)中所述醛衍生物为苯甲醛、对甲基苯甲醛、邻甲基苯甲醛、间甲基苯甲醛、对甲氧基苯甲醛、间甲氧基苯甲醛、邻甲氧基苯甲醛、对氟苯甲醛、邻氟苯甲醛、间氟苯甲醛、对氯苯甲醛、邻氯苯甲醛、间氯苯甲醛、对溴苯甲醛、邻溴苯甲醛、间溴苯甲醛、对羟基苯甲醛、间羟基苯甲醛、邻羟基苯甲醛、对乙基苯甲醛、对异丙基苯甲醛、对叔丁基苯甲醛、3,4,5-三氟苯甲醛、五氟苯甲醛、4-二甲氨基苯甲醛、4-丙酰氧基苯甲醛、对三氟甲基苯甲醛、间三氟甲基苯甲醛、邻三氟甲基苯甲醛、对三氟甲氧基苯甲醛、间三氟甲氧基苯甲醛、邻三氟甲氧基苯甲醛、2,5-二氯苯甲醛、对乙炔基苯甲醛、对乙烯基苯甲醛、对氰基苯甲醛、对硝基苯甲醛、4-联苯甲醛、间苯氧基苯甲醛、4-甲磺酰基苯甲醛、4-羧基苯甲醛、3,4-二甲基苯甲醛、2-萘甲醛、3-吲哚基甲醛、2-噻吩基甲醛、2-吡咯基甲醛、2-吡啶基甲醛、3-吡啶基甲醛、苯并咪唑-2-甲醛、N-乙基-咔啉基-3-甲醛以及如下所示结构式中任意一种。
Figure BDA0003732161500000021
优选的,在步骤(1)中所述溶剂为甲苯、二氧六环、水、二甲亚砜、乙腈、甲醇中的一种或其中几种的混合溶剂。
优选的,所述的式(Ⅲ),为以下β-咔啉类化合物中任意一种:
Figure BDA0003732161500000031
优选的,一种天然产物Eudistomin U的制备方法具体制备步骤如下:
(1)将色胺或色胺盐酸盐10mmol、3-吲哚甲醛12mmol以及三苯碳四(五氟苯基)硼酸盐1mmol催化剂依次加入至反应器中,然后加入甲苯或二甲苯有机溶剂,置换氧气保护,置于120℃加热搅拌反应12小时,TLC检测,反应完毕,加DCM萃取3次,干燥,分离纯化得天然产物Eudistomin U。
Figure BDA0003732161500000032
本发明克服现有技术的不足,提供一种β-咔啉类化合物及其制备方法,相比于现有技术的缺点和不足,本发明具有以下有益效果:
(1)本发明制备方法中所需反应原料(色胺或者其衍生物与芳香醛或其衍生物)廉价易得,一步法得到芳香性的β-咔啉类化合物,与现有的多步合成方法相比条件温和,操作简单,成本低,反应效率高,原子经济性高,可有效降低化学废料的产生。
(2)本发明制备方法中所需的催化剂为非金属类型的催化剂,与现有的金属催化的合成方法相比,合成过程更易于纯化,不存在金属残留的问题。作为医药中间体,不存在金属残留导致的生物毒性。
(3)本发明制备方法中所需的氧化剂为氧气,相比较传统的氧化剂如TEMPO、DDQ、H2O2、高碘盐、二氧化锰等,产生的化学废料更少,更加绿色环保。
(4)本发明制备方法中,对于底物官能团的兼容性,相比较现有的合成方法,合成底物范围更广,具有良好的普适性,且可以以克级规模合成天然产物Eudistomin U。
(5)在步骤(2)中所述加热温度为120℃,反应时间为12小时,气体氛围的对比显示,氧气是必须的反应物;另外随着反应温度的降低,则不利于目标产物的生成。步骤(1)中所述溶剂为甲苯,其他溶剂替代甲苯作为反应溶剂,目标产物的产率均出现不同程度的下降甚至使得催化剂失去催化活性。色胺或色胺衍生物、芳香醛衍生物、离子对催化剂以及溶剂的摩尔体积比为:0.2mmol:0.3mmol:0.04mmol:1mL,为最佳反应条件,降低催化剂的用量,目标产物的产率也开始相应的降低。
(6)用其他离子对催化剂代替Ph3C+[B(C6F5)4]-作为反应的催化剂,则反应效果出现不同程度的下降,甚至失去催化效果。
附图说明
图1化合物21的核磁氢谱(1H NMR 400MHz,CDCl3)
图2化合物21的核磁碳谱(13C NMR 100MHz,CDCl3)
图3化合物24的核磁氢谱(1H NMR 400MHz,CDCl3)
图4化合物24的核磁碳谱(13C NMR 100MHz,CDCl3)
图5化合物33的核磁氢谱(1H NMR 400MHz,CDCl3)
图6化合物33的核磁碳谱(13C NMR 100MHz,CDCl3)
图7化合物34的核磁氢谱(1H NMR 400MHz,CDCl3)
图8化合物34的核磁碳谱(13C NMR 100MHz,CDCl3)
具体实施方式
下面结合实施实例对本发明作进一步详细、完整的说明,列出的实施实例将有助于理解本发明,但不应将此理解为本发明上述主题的范围仅限于以下的实例,凡基于本发明上述内容所实现的技术均属于本发明的范围。
Figure BDA0003732161500000051
一般说明:
实施实例中使用了缩写,其含义如下:
Me是甲基,tBu是叔丁基,Ph是苯基,THF是四氢呋喃,DCM是二氯甲烷,PE是石油醚,EA是乙酸乙酯。TLC是薄层色谱,NMR是核磁共振,HRMS是高分辨质谱。
所用溶剂在使用前用标准方法提纯,干燥;所用试剂均为市售或按照已有文献方法合成得到,并在使用前提纯。
实施例1:
Figure BDA0003732161500000061
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,苯甲醛0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物41.5mg,产率85%。
1-phenyl-9H-pyrido[3,4-b]indole 1
Figure BDA0003732161500000062
As a yellow solid:Rf0.55(EA:PE=1:5);
1H NMR(400MHz;CDCl3):δ8.63(s,1H),8.56(d,J=5.3Hz,1H),8.15(d,J=7.8Hz,1H),7.95(t,J=1.7Hz,1H),7.95-7.92(m,2H),7.59-7.52(m,3H),7.50-7.45(m,2H),7.30(ddd,J=8.0,7.0,1.1Hz,1H);
13C NMR(101MHz,CDCl3)δ142.65,141.66,138.83,138.80,133.51,129.74,129.28,129.08,128.92,128.73,122.15,121.33,120.06,114.46,112.97.
实施例2:
Figure BDA0003732161500000063
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,2-甲基苯甲醛0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物37.6mg,产率73%。
1-(o-tolyl)-9H-pyrido[3,4-b]indole 2
Figure BDA0003732161500000064
As a yellow solid:Rf0.50(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ8.55(d,J=5.3Hz,1H),8.18(d,J=8.9Hz,1H),8.14(s,1H),7.96(d,J=4.6Hz,1H),7.54(ddd,J=8.3,7.1,1.2Hz,1H),7.50(d,J=7.0Hz,1H),7.44(d,J=8.2Hz,1H),7.40(dd,J=3.9,1.3Hz,2H),7.36(dd,J=7.4,3.7Hz,1H),7.33-7.28(m,1H),2.26(s,3H).
13C NMR(101MHz,CDCl3)δ144.25,140.28,139.08,137.08,136.68,134.31,131.19,129.36,129.23,128.99,128.60,126.24,122.00,120.30,113.80,111.58,100.37,19.82.
实施例3:
Figure BDA0003732161500000071
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,3-甲基苯甲醛0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物40.2mg,产率78%。
1-(m-tolyl)-9H-pyrido[3,4-b]indole 3
Figure BDA0003732161500000072
As a yellow solid:Rf0.50(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ8.60(s,1H),8.55(d,J=5.2Hz,1H),8.16(d,J=7.8Hz,1H),7.93(s,1H),7.86(d,J=8.0Hz,2H),7.55(t,J=7.6Hz,1H),7.49(d,J=8.1Hz,1H),7.39(s,2H),7.31(t,J=7.4Hz,1H),2.45(s,3H).
13C NMR(101MHz,CDCl3)δ143.28,140.44,139.46,139.15,138.45,133.59,129.83,129.70,129.05,129.02,128.53,125.08,121.94,121.89,120.28,113.82,111.68,21.67.
实施例4:
Figure BDA0003732161500000073
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,4-甲基苯甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物39.2mg,产率76%。
1-(p-tolyl)-9H-pyrido[3,4-b]indole 4
Figure BDA0003732161500000074
As a yellow solid:Rf0.52(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ8.71(s,1H),8.54(d,J=5.2Hz,1H),8.15(d,J=7.9Hz,1H),7.91(d,J=5.2Hz,1H),7.84(d,J=8.1Hz,2H),7.57-7.52(m,1H),7.48(d,J=8.2Hz,1H),7.36(d,J=8.1Hz,2H),7.30(ddd,J=8.1,6.9,1.2Hz,1H),2.44(s,3H).
13C NMR(101MHz,CDCl3)δ183.65,182.47,143.24,140.40,139.54,138.84,135.75,133.55,129.95,129.77,128.49,128.06,122.00,121.87,120.26,113.64,111.62,21.48.
实施例5:
Figure BDA0003732161500000081
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,4-甲氧基苯甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物36.8mg,产率67%。
1-(4-methoxyphenyl)-9H-pyrido[3,4-b]indole 5
Figure BDA0003732161500000082
As a yellow solid:Rf0.52(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ8.55(d,J=5.3Hz,2H),8.16(d,J=7.8Hz,1H),7.92(d,J=8.7Hz,3H),7.59-7.48(m,2H),7.31(ddd,J=8.0,6.9,1.3Hz,1H),7.11(d,J=8.8Hz,1H),3.90(s,3H).
13C NMR(101MHz,DMSO-d6)δ154.22,143.33,140.46,138.60,136.58,134.28,133.19,130.22,129.23,121.58,119.17,115.19,114.38,111.35,103.44,57.20.
实施例6:
Figure BDA0003732161500000083
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,2-氟苯甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物35.2mg,产率67%。
1-(2-fluorophenyl)-9H-pyrido[3,4-b]indole 6
Figure BDA0003732161500000084
As a bright yellow solid:Rf0.40(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ8.61(d,J=6.5Hz,1H),8.38(bs,1H),8.17(d,J=7.8Hz,1H),8.01(d,J=6.5Hz,1H),7.89(t,J=7.6Hz,1H),7.57(d,J=15.3Hz,1H),7.50(t,J=7.1Hz,2H),7.37(t,J=7.5Hz,1H),7.31(t,J=8.1Hz,2H).
13C NMR(101MHz,CDCl3)δ140.35,140.04,139.63,132.37,132.33,130.77,129.87,128.75,125.26,125.23,121.87,120.32,116.30,116.08,114.42,113.23,111.64.
19F NMR(376MHz,CDCl3)δ-118.3.
实施例7:
Figure BDA0003732161500000091
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,3-氟苯甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物44.4mg,产率85%。
1-(3-fluorophenyl)-9H-pyrido[3,4-b]indole 7
Figure BDA0003732161500000092
As a bright yellow solid:Rf0.45(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ8.65(s,1H),8.56(d,J=5.2Hz,1H),8.17(d,J=7.9Hz,1H),7.96(d,J=5.2Hz,1H),7.75(d,J=6.4Hz,1H),7.71-7.65(m,1H),7.60-7.50(m,3H),7.36-7.30(m,1H),7.17(td,J=8.6,3.1Hz,1H).
13C NMR(101MHz,CDCl3)δ163.43(d,J=247.2Hz),140.90,140.46,139.68,130.87(d,J=8.4Hz),130.26,128.80,123.76(d,J=3.3Hz),121.93,121.90,120.54,115.83(d,J=21.2Hz),115.28(d,J=22.3Hz),114.36,100.00.
19F NMR(376MHz,CDCl3)δ-118.3.
实施例8:
Figure BDA0003732161500000093
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,4-氟苯甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物38.8mg,产率74%。
1-(4-fluorophenyl)-9H-pyrido[3,4-b]indole 8
Figure BDA0003732161500000094
As a bright yellow solid:Rf0.42(EA:PE=1:5);
1H NMR(400MHz,DMSO-d6)δ11.40(s,1H),8.47(d,J=5.2Hz,1H),8.28(d,J=7.9Hz,1H),8.18(d,J=5.2Hz,1H),7.75(td,J=7.6,1.7Hz,1H),7.64-7.50(m,3H),7.48-7.39(m,2H),7.26(ddd,J=8.1,6.7,1.4Hz,1H).
13C NMR(101MHz,DMSO-d6)δ161.51,159.05,141.96,138.73,138.61,135.05,133.07,132.42,132.38,131.30,131.22,130.67,128.97,128.85,126.70,126.55,125.29,125.26,114.35,112.66.
19F NMR(376MHz,DMSO-d6))δ-113.64.
实施例9:
Figure BDA0003732161500000101
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,4-氯苯甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物43.4mg,产率78%。
1-(4-chlorophenyl)-9H-pyrido[3,4-b]indole 9
Figure BDA0003732161500000102
As a yellow solid:Rf0.40(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ8.61(s,1H),8.56(d,J=5.2Hz,1H),8.17(d,J=7.9Hz,1H),7.95(d,J=5.2Hz,1H),7.90(d,J=8.4Hz,2H),7.60-7.48(m,4H),7.33(t,J=7.4Hz,1H).
13C NMR(101MHz,CDCl3)δ142.64,140.47,139.71,136.66,134.92,133.50,130.21,129.50,128.80,121.96,114.20,111.69.
实施例10:
Figure BDA0003732161500000103
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,4-溴苯甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物39.8mg,产率62%。
1-(4-bromophenyl)-9H-pyrido[3,4-b]indole 10
Figure BDA0003732161500000104
As a bright yellow solid:Rf0.50(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ8.62(s,1H),8.55(d,J=5.2Hz,1H),8.17(d,J=7.8Hz,1H),7.95(d,J=5.2Hz,1H),7.83(d,J=8.4Hz,2H),7.68(d,J=8.3Hz,2H),7.59-7.49(m,2H),7.33(t,J=7.5Hz,1H).
13C NMR(101MHz,CDCl3)δ141.79,140.47,139.71,137.50,133.46,132.41,130.22,129.77,128.79,123.14,121.95,120.54,114.22,111.68,100.00.
实施例11:
Figure BDA0003732161500000111
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,4-氰基苯甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物44.6mg,产率83%。
4-(9H-pyrido[3,4-b]indol-1-yl)benzonitrile 11
Figure BDA0003732161500000112
As a yellow solid:Rf0.30(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ8.61(d,J=5.2Hz,1H),8.55(s,1H),8.18(dd,J=7.9,1.0Hz,1H),8.12(d,J=8.5Hz,2H),8.01(dd,J=5.2,0.8Hz,1H),7.87(d,J=8.5Hz,2H),7.62-7.52(m,2H),7.35(ddd,J=8.0,6.9,1.0Hz,1H).
13C NMR(101MHz,CDCl3)δ143.18,140.51,140.05,133.63,133.07,130.73,129.12,128.88,122.01,121.81,120.85,118.81,114.98,112.34,111.75,100.00.
实施例12:
Figure BDA0003732161500000113
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,4-硝基苯甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物38.8mg,产率67%。
1-(4-nitrophenyl)-9H-pyrido[3,4-b]indole 12
Figure BDA0003732161500000114
As a bright yellow solid:Rf0.20(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ8.62(d,J=5.2Hz,1H),8.59(s,1H),8.43(d,J=8.8Hz,2H),8.18(dd,J=8.9,2.3Hz,3H),8.03(d,J=5.2Hz,1H),7.64-7.52(m,2H),7.36(ddd,J=8.0,6.9,1.1Hz,1H).
13C NMR(101MHz,DMSO-d6)δ147.65,145.12,141.76,140.00,139.26,133.92,130.42,130.14,129.16,124.40,122.36,121.21,120.39,115.75,112.93.
实施例13:
Figure BDA0003732161500000121
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,4-三氟甲基苯甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物50.5mg,产率81%。
1-(4-(trifluoromethyl)phenyl)-9H-pyrido[3,4-b]indole 13
Figure BDA0003732161500000122
As a pale yellow solid:Rf0.42(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ8.65(s,1H),8.58(d,J=5.2Hz,1H),8.17(d,J=8.9Hz,1H),8.04(d,J=1.1Hz,2H),7.98(dd,J=5.2,0.8Hz,1H),7.79(d,J=8.6Hz,2H),7.57(ddd,J=8.3,7.0,1.2Hz,1H),7.52-7.48(m,1H),7.37-7.30(m,1H).
13C NMR(101MHz,CDCl3)δ141.99,141.26,140.58,139.71,133.65,130.46,128.96,128.54,126.15(q,J=4.0Hz),124.13(q,J=273.5Hz),122.00,121.82,120.66,114.67,111.73.
19F NMR(376MHz,CDCl3)δ-62.4.
实施例14:
Figure BDA0003732161500000123
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,4-三氟甲氧基苯甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物30.8mg,产率47%。
1-(4-(trifluoromethoxy)phenyl)-9H-pyrido[3,4-b]indole 14
Figure BDA0003732161500000124
As a yellow solid:Rf0.36(EA:PE=1:5);
1H NMR(400MHz,DMSO-d6)δ11.61(s,1H),8.47(d,J=5.1Hz,1H),8.28(d,J=7.8Hz,1H),8.19-8.11(m,3H),7.68-7.52(m,4H),7.28(t,J=7.5Hz,1H).
13C NMR(101MHz,DMSO-d6)δ148.93,141.70,141.19,138.99,138.14,133.56,130.89,129.95,128.88,122.24,121.81,121.32,120.17,119.45,114.85,112.92.
19F NMR(376MHz,CDCl3)δ-57.6.
HRMS(EI)Calcd for C18H12F3N2O:[M+H]+329.0902.Found:m/z 329.0902.
实施例15:
Figure BDA0003732161500000131
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,4-甲磺酰基苯甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物44.4mg,产率69%。
1-(4-(methylsulfonyl)phenyl)-9H-pyrido[3,4-b]indole 15
Figure BDA0003732161500000132
As a bright yellow solid:Rf0.60(EA:PE=1:2);
1H NMR(400MHz,DMSO-d6)δ11.69(s,1H),8.52(d,J=5.1Hz,1H),8.29(dd,J=8.6,2.2Hz,3H),8.21(d,J=5.2Hz,1H),8.15(d,J=8.5Hz,2H),7.65(d,J=8.2Hz,1H),7.61-7.54(m,1H),7.29(t,J=7.4Hz,1H),3.33(s,3H).
13C NMR(101MHz,DMSO-d6)δ143.65,141.75,140.94,140.71,139.18,133.87,130.22,129.82,129.06,127.92,122.31,121.25,120.30,115.44,112.93,44.50.
HRMS(EI)Calcd for C18H15N2O2S:[M+H]+323.0854.Found:m/z 323.0855.
实施例16:
Figure BDA0003732161500000133
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,4-苯基苯甲醛类化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物37.0mg,产率58%。
1-([1,1'-biphenyl]-4-yl)-9H-pyrido[3,4-b]indole 16
Figure BDA0003732161500000134
As a white solid:Rf 0.40(EA:PE=1:5);
1H NMR(400MHz,DMSO-d6)δ11.61(s,1H),8.48(d,J=5.1Hz,1H),8.28(d,J=7.9Hz,1H),8.18-8.11(m,3H),7.92(d,J=8.3Hz,2H),7.80(d,J=7.2Hz,2H),7.67(d,J=8.2Hz,1H),7.55(dt,J=12.9,7.4Hz,3H),7.42(t,J=7.3Hz,1H),7.28(t,J=7.5Hz,1H).
13C NMR(101MHz,DMSO-d6)δ142.25,141.67,140.66,140.19,138.99,138.01,133.60,129.78,129.66,129.49,128.74,128.28,127.49,127.23,122.18,121.37,120.09,114.51,112.99.
实施例17:
Figure BDA0003732161500000141
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,3,4,5-三氟苯甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物50.0mg,产率84%。
1-(3,4,5-trifluorophenyl)-9H-pyrido[3,4-b]indole 17
Figure BDA0003732161500000142
As a bright yellow solid:Rf0.38(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ8.71(s,1H),8.54(d,J=5.2Hz,1H),8.16(d,J=8.7Hz,1H),7.98(d,J=5.2Hz,1H),7.63-7.56(m,3H),7.53(d,J=8.2Hz,1H),7.34(t,J=7.5Hz,1H).
13C NMR(101MHz,CDCl3)δ154.12-148.87(m),140.65,139.67,133.31,130.82,129.67,129.13,121.98,121.81,120.85,115.50,114.88,112.56-112.19(m),111.82.
19F NMR(376MHz,CDCl3)δ-132.58(dd,J=20.7,7.7Hz),-159.43(tt,J=20.6,6.4Hz).
HRMS(EI)Calcd for C17H10F3N2:[M+H]+299.0796.Found:m/z 299.0797.
实施例18:
Figure BDA0003732161500000143
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,4-乙烯基苯甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物41.8mg,产率81%。
1-(4-vinylphenyl)-9H-pyrido[3,4-b]indole 18
Figure BDA0003732161500000151
As a yellow solid:Rf0.50(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ8.71(s,1H),8.56(d,J=5.2Hz,1H),8.16(d,J=7.7Hz,1H),7.95-7.89(m,3H),7.61-7.52(m,3H),7.49(d,J=8.0Hz,1H),7.34-7.29(m,1H),6.79(dd,J=17.6,10.9Hz,1H),5.84(d,J=17.6Hz,1H),5.33(d,J=10.8Hz,1H).
13C NMR(101MHz,CDCl3)δ142.72,140.43,139.63,138.07,137.96,136.40,133.59,129.96,128.60,128.34,127.06,121.96,121.90,120.36,114.83,113.89,111.65.
HRMS(EI)Calcd for C19H15N2:[M+H]+271.1235.Found:m/z 271.1234.
实施例19:
Figure BDA0003732161500000152
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,4-炔基苯甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物40.8mg,产率76%。
1-(4-ethynylphenyl)-9H-pyrido[3,4-b]indole 19
Figure BDA0003732161500000153
As a yellow solid:Rf0.45(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ8.56(d,J=5.2Hz,2H),8.16(d,J=7.9Hz,1H),7.97-7.91(m,3H),7.68(d,J=8.2Hz,2H),7.59-7.48(m,2H),7.34-7.29(m,1H),3.17(s,1H).
13C NMR(101MHz,CDCl3)δ141.96,140.45,139.69,138.91,133.54,133.02,130.22,128.79,128.11,122.58,121.95,121.88,120.52,114.27,111.70,83.43,78.53.
HRMS(EI)Calcd for C19H13N2:[M+H]+269.1079.Found:m/z 269.1075.
实施例20:
Figure BDA0003732161500000154
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,苯并呋喃甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物37.6mg,产率66%。
1-(2,3-dihydrobenzofuran-5-yl)-9H-pyrido[3,4-b]indole 20
Figure BDA0003732161500000161
As a bright yellow solid:Rf0.35(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ8.71(s,1H),8.52(d,J=5.3Hz,1H),8.15(d,J=7.9Hz,1H),7.89(d,J=5.3Hz,1H),7.80(s,1H),7.70(dd,J=8.2,2.0Hz,1H),7.58-7.47(m,2H),7.35-7.27(m,1H),6.93(d,J=8.2Hz,1H),4.64(t,J=8.7Hz,2H),3.27(t,J=8.7Hz,2H).
13C NMR(101MHz,CDCl3)δ160.41,143.38,140.40,139.04,133.38,131.13,130.12,128.47,128.00,125.26,122.06,121.89,119.86,113.31,111.66,109.70,71.24,31.42.
HRMS(EI)Calcd for C19H14N2O:[M+H]+286.1106.Found:m/z 286.1104.
实施例21:
Figure BDA0003732161500000162
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,萘甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物39.4mg,产率67%。
1-(naphthalen-2-yl)-9H-pyrido[3,4-b]indole 21
Figure BDA0003732161500000163
As a bright yellow solid:Rf0.45(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ8.74(s,1H),8.63(d,J=5.3Hz,1H),8.39(s,1H),8.19(d,J=7.5Hz,1H),8.11-8.00(m,2H),8.00-7.89(m,3H),7.62-7.51(m,4H),7.33(ddd,J=8.0,6.7,1.3Hz,1H).
13C NMR(101MHz,CDCl3)δ143.04,141.29,140.47,139.78,136.03,133.58,133.47,130.01,129.19,128.64,128.46,127.97,127.28,126.76,126.65,125.96,122.03,121.95,120.41,113.93,111.68.
实施例22:
Figure BDA0003732161500000171
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,吲哚-3-甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物23.8mg,产率42%。
1-(1H-indol-3-yl)-9H-pyrido[3,4-b]indole 22
Figure BDA0003732161500000172
As a dark yellow solid:Rf0.65(EA:PE=1:2);
1H NMR(400MHz,CDCl3)δ9.42(s,1H),8.56(d,J=5.2Hz,2H),8.51(s,2H),8.16(d,J=7.7Hz,2H),7.97(d,J=7.6Hz,2H),7.89(d,J=5.4Hz,2H),7.53(dd,J=7.3,1.6Hz,2H),7.45(d,J=8.1Hz,1H),7.39(d,J=8.2Hz,1H),7.31(t,J=7.4Hz,1H),7.25-7.19(m,2H).
13C NMR(101MHz,CDCl3)δ140.28,139.34,138.84,136.65,133.78,129.27,128.42,125.81,124.82,122.84,122.06,121.89,120.92,120.52,120.23,112.82,111.96,111.74,100.00.
实施例23:
Figure BDA0003732161500000173
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,噻吩-2-甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物30.0mg,产率60%。
1-(thiophen-2-yl)-9H-pyrido[3,4-b]indole 23
Figure BDA0003732161500000174
As a bright yellow solid:Rf0.35(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ8.77(s,1H),8.49(d,J=5.1Hz,1H),8.13(d,J=7.9Hz,1H),7.88(d,J=5.2Hz,1H),7.75(d,J=3.7Hz,1H),7.59-7.48(m,3H),7.32(ddd,J=8.0,6.1,2.0Hz,1H),7.22(dd,J=5.2,3.5Hz,1H).
13C NMR(101MHz,CDCl3)δ142.97,140.59,139.43,137.15,132.32,130.47,128.76,128.13,127.30,125.13,121.96,121.86,120.65,113.88,111.84.
实施例24:
Figure BDA0003732161500000181
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,吡啶-3-甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物43.6mg,产率89%。
1-(pyridin-3-yl)-9H-pyrido[3,4-b]indole 24
Figure BDA0003732161500000182
As a bright yellow solid:Rf0.55(EA:PE=1:2);
1H NMR(400MHz,CDCl3)δ10.36(s,1H),9.44(dd,J=2.2,0.9Hz,1H),8.63(dd,J=4.8,1.7Hz,1H),8.60(d,J=5.2Hz,1H),8.36(dt,J=7.9,2.0Hz,1H),8.18(d,J=7.0Hz,1H),8.01(d,J=5.2Hz,1H),7.59-7.52(m,2H),7.51(ddd,J=7.7,4.8,0.9Hz,1H),7.32(ddd,J=8.1,6.0,2.1Hz,1H).
13C NMR(101MHz,CDCl3)δ149.05,148.74,141.43,139.56,136.93,135.34,134.22,130.50,128.82,124.61,121.84,121.63,120.28,114.67,111.97.
实施例25:
Figure BDA0003732161500000183
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,5-甲基色胺化合物0.2mmol,4-氰基苯甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物23.2mg,产率41%。
4-(6-methyl-9H-pyrido[3,4-b]indol-1-yl)benzonitrile 25
Figure BDA0003732161500000184
As a bright yellow solid:Rf0.65(EA:PE=1:2);
1H NMR(400MHz,CDCl3)δ8.57(d,J=5.2Hz,1H),8.48(s,1H),8.15-8.09(m,2H),7.97(d,J=4.4Hz,2H),7.89-7.82(m,2H),7.45-7.38(m,2H),2.56(s,3H).
13C NMR(101MHz,CDCl3)δ143.22,141.17,139.79,138.81,135.06,133.05,130.67,130.59,130.37,128.87,121.95,121.71,118.19,115.36,112.67,110.99,22.04.
HRMS(EI)Calcd for C19H13N3:[M+H]+283.1109.Found:m/z 283.1109.
实施例26:
Figure BDA0003732161500000191
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,5-甲氧基色胺化合物0.2mmol,4-氰基苯甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物27.0mg,产率45%。
4-(6-methoxy-9H-pyrido[3,4-b]indol-1-yl)benzonitrile 26
Figure BDA0003732161500000192
As a bright yellow solid:Rf0.55(EA:PE=1:2);
1H NMR(400MHz,DMSO-d6)δ11.51(s,1H),8.47(d,J=5.2Hz,1H),8.26-8.16(m,3H),8.06(d,J=8.3Hz,1H),7.84(d,J=2.5Hz,1H),7.55(d,J=8.8Hz,1H),7.22(dd,J=8.9,2.4Hz,1H),3.88(s,3H).
13C NMR(101MHz,DMSO-d6)δ154.20,143.31,140.44,138.58,136.57,134.26,133.17,130.21,129.67,121.56,119.45,119.16,115.56,113.79,111.34,103.94,56.13.
实施例27:
Figure BDA0003732161500000193
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,5-氯色胺化合物0.2mmol,4-氰基苯甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物31.6mg,产率52%。
4-(6-chloro-9H-pyrido[3,4-b]indol-1-yl)benzonitrile 27
Figure BDA0003732161500000194
As a bright yellow solid:Rf0.50(EA:PE=1:2);
1H NMR(400MHz,DMSO-d6)δ11.83(s,1H),8.53(d,J=5.2Hz,1H),8.45(d,J=2.0Hz,1H),8.26(d,J=5.2Hz,1H),8.21(d,J=8.4Hz,2H),8.08(d,J=8.3Hz,2H),7.65(d,J=8.7Hz,1H),7.59(dd,J=8.7,2.1Hz,1H).
13C NMR(101MHz,DMSO-d6)δ156.85,142.99,140.11,139.75,139.42,134.25,133.24,129.76,129.42,129.01,124.60,122.52,121.95,121.92,119.40,100.00.
实施例28:
Figure BDA0003732161500000201
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,5-溴色胺化合物0.2mmol,4-氰基苯甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物32.6mg,产率74%。
4-(6-bromo-9H-pyrido[3,4-b]indol-1-yl)benzonitrile 28
Figure BDA0003732161500000202
As a pale yellow solid:Rf0.30(EA:PE=1:5);
1H NMR(400MHz,DMSO-d6)δ11.80(s,1H),8.55(d,J=2.0Hz,1H),8.50(d,J=5.2Hz,1H),8.24(d,J=5.1Hz,1H),8.20-8.12(m,2H),8.08-7.98(m,2H),7.67(dd,J=8.7,2.0Hz,1H),7.57(d,J=8.7Hz,1H).
13C NMR(101MHz,DMSO-d6)δ143.00,140.94,140.40,139.48,134.08,133.25,131.57,130.43,129.32,124.96,123.19,120.24,116.80,115.35,113.00,111.58.
实施例29:
Figure BDA0003732161500000203
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,5-甲氧-2-甲基色胺化合物0.2mmol,4-氰基苯甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物45.6mg,产率73%。
4-(6-methoxy-3-methyl-9H-pyrido[3,4-b]indol-1-yl)benzonitrile 29
Figure BDA0003732161500000204
As a yellow solid:Rf0.45(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ8.32(s,1H),8.08(d,J=8.3Hz,2H),7.83-7.78(m,3H),7.55(d,J=2.5Hz,1H),7.40(d,J=8.9Hz,1H),7.20(dd,J=8.9,2.5Hz,1H),3.94(s,3H),2.78(s,3H).
13C NMR(101MHz,CDCl3)δ154.48,148.72,143.85,140.45,136.69,132.95,132.80,131.66,129.30,122.08,118.94,118.87,114.37,112.59,111.99,103.69,57.70,25.22.
实施例30:
Figure BDA0003732161500000211
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,2-乙酯基色胺化合物0.2mmol,苯甲醛化合物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物34.2mg,产率54%。
ethyl 1-phenyl-9H-pyrido[3,4-b]indole-3-carboxylate 30
Figure BDA0003732161500000212
As a yellow solid:Rf0.35(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ9.01(s,1H),8.83(s,1H),8.21(d,J=7.9Hz,1H),8.13-8.05(m,1H),7.94-7.82(m,2H),7.68-7.50(m,2H),7.49-7.42(m,2H),7.39-7.32(m,1H),4.51(q,J=7.1Hz,2H),1.46(t,J=7.1Hz,3H).
13C NMR(101MHz,CDCl3)δ171.00,166.48,143.01,140.26,138.47,137.33,135.15,133.73,130.73,130.25,129.81,129.15,128.47,122.19,122.06,121.12,116.91,112.07,61.27,13.40.
实施例31:
Figure BDA0003732161500000213
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,丙叉保护的葡萄糖类衍生物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物82.6mg,产率78%。
((5R,5aS,8aS,8bR)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran-5-yl)methyl4-(9H-pyrido[3,4-b]indol-1-yl)benzoate 31
Figure BDA0003732161500000214
As a pale yellow solid:Rf0.65(EA:PE=1:2);
1H NMR(400MHz,CDCl3)δ8.88(s,1H),8.56(d,J=5.2Hz,1H),8.27-8.11(m,3H),8.04-7.90(m,3H),7.65-7.47(m,2H),7.31(ddd,J=8.0,5.8,2.3Hz,1H),5.58(d,J=4.9Hz,1H),4.66(dd,J=7.9,2.5Hz,1H),4.56(dd,J=11.5,4.6Hz,1H),4.45(dd,J=11.5,7.7Hz,1H),4.38-4.31(m,2H),4.22(ddd,J=7.7,4.6,1.9Hz,1H),1.50(d,J=16.7Hz,6H),1.34(d,J=10.6Hz,6H).
13C NMR(101MHz,CDCl3)δ166.29,143.09,141.68,140.62,139.71,133.75,130.61,130.35,130.06,128.85,128.21,121.93,121.82,120.53,114.56,111.83,109.84,108.97,96.94,71.22,70.82,70.60,66.29,64.24,26.16,26.08,25.09,24.57.
HRMS(EI)Calcd for C30H30N2O7:[M+H]+530.2053.Found:m/z 530.2049.
实施例32:
Figure BDA0003732161500000221
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,苄基保护的豆腐果甙0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物104.2mg,产率73%。
1-(4-(((2R,3R,4R,5R,6R)-3,4,5-tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran-2-yl)oxy)phenyl)-9H-pyrido[3,4-b]indole 33
Figure BDA0003732161500000222
As a pale yellow solid:Rf 0.50(EA:PE=1:2);
1H NMR(400MHz,CDCl3)δ8.68(s,1H),8.55(d,J=5.2Hz,1H),8.15(d,J=7.8Hz,1H),7.91(d,J=5.3Hz,1H),7.83(d,J=8.6Hz,2H),7.54(ddd,J=8.3,6.9,1.2Hz,1H),7.47(d,J=8.2Hz,1H),7.42-7.36(m,6H),7.34-7.27(m,6H),7.26-7.18(m,11H),5.61(d,J=7.9Hz,1H),4.92(d,J=12.2Hz,2H),4.83(d,J=11.9Hz,1H),4.72(d,J=12.1Hz,1H),4.60(d,J=12.1Hz,1H),4.56-4.49(m,2H),4.41(d,J=11.5Hz,1H),4.27(ddd,J=9.8,4.6,1.9Hz,1H),4.21(t,J=2.5Hz,1H),3.84(dd,J=10.9,2.0Hz,1H),3.74(dd,J=10.8,4.6Hz,1H),3.61(dd,J=9.8,2.4Hz,1H),3.53(dd,J=7.9,2.6Hz,1H).
13C NMR(101MHz,CDCl3)δ157.99,142.94,140.46,138.91,138.53,138.27,137.84,133.52,129.38,128.55,128.52,128.40,128.32,128.12,127.96,127.91,127.89,127.85,127.79,127.68,127.59,122.00,121.88,120.22,117.37,113.56,111.72,99.15,78.75,75.38,74.75,74.65,73.59,73.31,72.82,71.71,69.15.
HRMS(EI)Calcd for C51H47N2O6:[M+H]+783.3434.Found:m/z 783.3437.
实施例33:
Figure BDA0003732161500000231
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,阿达帕林衍生物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物69.4mg,产率65%。
1-(6-(3-((3r,5r,7r)-adamantan-1-yl)-4-methoxyphenyl)naphthalen-2-yl)-9H-pyrido[3,4-b]indole 32
Figure BDA0003732161500000232
As a yellow solid:Rf0.25(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ8.87(s,1H),8.61(d,J=5.2Hz,1H),8.35(d,J=1.6Hz,1H),8.17(d,J=7.9Hz,1H),8.08-7.99(m,3H),7.97-7.89(m,2H),7.76(dd,J=8.5,1.8Hz,1H),7.63(d,J=2.3Hz,1H),7.59-7.46(m,3H),7.32(ddd,J=8.0,6.5,1.6Hz,1H),7.00(d,J=8.5Hz,1H),3.91(s,3H),2.20(d,J=3.1Hz,6H),2.14-2.07(m,3H),1.81(d,J=3.2Hz,6H).
13C NMR(101MHz,CDCl3)δ158.81,143.05,140.55,139.80,139.62,139.03,135.49,133.84,132.91,132.32,130.05,129.30,128.83,128.65,127.05,126.41,126.23,125.98,125.73,124.94,122.01,121.96,120.40,113.89,112.18,111.76.
HRMS(EI)Calcd for C38H34N2O:[M+H]+534.2671.Found:m/z 534.2671.
实施例34:
Figure BDA0003732161500000233
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,薄荷醇衍生物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物67.4mg,产率79%。
(1S,2R,5S)-2-isopropyl-5-methylcyclohexyl4-(9H-pyrido[3,4-b]indol-1-yl)benzoate 34
Figure BDA0003732161500000241
As a pale yellow solid:Rf0.40(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ8.93(s,1H),8.59(d,J=5.2Hz,1H),8.21-8.15(m,3H),8.03(d,J=8.3Hz,2H),7.98(d,J=5.2Hz,1H),7.60-7.52(m,2H),7.33(ddd,J=8.0,6.6,1.5Hz,1H),4.96(td,J=10.9,4.4Hz,1H),2.11(dd,J=11.7,2.9Hz,1H),1.97(pd,J=7.0,2.8Hz,1H),1.77-1.68(m,2H),1.62-1.45(m,2H),1.19-1.05(m,2H),0.92(dd,J=9.3,6.7Hz,6H),0.81(d,J=6.9Hz,3H).
13C NMR(101MHz,CDCl3)δ209.77,191.88,165.07,139.48,138.67,135.84,130.80,129.59,122.85,75.30,63.76,56.90,49.94,44.09,38.85,38.16,37.07,36.74,31.89,31.71,27.22,24.58,22.89,21.14,19.46,13.34.
HRMS(EI)Calcd for C28H30N2O2:[M+H]+426.2307.Found:m/z 426.2306.
实施例35:
Figure BDA0003732161500000242
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,β-紫罗兰醇衍生物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物59.4mg,产率70%。
(Z)-3,7-dimethylocta-2,6-dien-1-yl 4-(9H-pyrido[3,4-b]indol-1-yl)benzoate 35
Figure BDA0003732161500000243
As a pale yellow solid:Rf0.35(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ8.81(s,1H),8.58(d,J=5.2Hz,1H),8.23-8.14(m,3H),8.05-8.00(m,2H),7.98(d,J=5.2Hz,1H),7.60-7.51(m,2H),7.33(ddd,J=8.0,6.7,1.3Hz,1H),5.51(t,J=8.0Hz,1H),5.16-5.08(m,1H),4.84(d,J=8.3Hz,2H),2.24-2.09(m,4H),1.81(d,J=1.3Hz,3H),1.68(s,3H),1.61(s,3H).
13C NMR(101MHz,CDCl3)δ166.52,143.04,142.87,141.73,140.58,139.73,133.73,132.40,130.58,130.52,130.35,128.86,128.16,123.65,121.95,121.84,120.56,119.22,114.53,111.78,61.97,32.36,26.78,25.83,24.08,17.81.
HRMS(EI)Calcd for C28H28N2O2:[M+H]+424.2151.Found:m/z 424.2154.
实施例36:
Figure BDA0003732161500000251
β-咔啉类化合物的制备方法:取25mL Schlenk管,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-36.8mg,色胺化合物0.2mmol,二氢胆固醇衍生物0.3mmol,反应体系置换氧气3次,加入甲苯1mL,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物61.8mg,产率47%。
(5R,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-(R)-6-methylheptan-2-yl)hexadecahydro-1H-cyclopenta[a]phenanthren-3-yl 4-(9H-pyrido[3,4-b]indol-1-yl)benzoate 36
Figure BDA0003732161500000252
As a yellow solid:Rf0.30(EA:PE=1:5);
1H NMR(400MHz,CDCl3)δ9.07(s,1H),8.57(d,J=5.2Hz,1H),8.16(dd,J=12.7,8.2Hz,3H),8.03-7.95(m,3H),7.57(dd,J=6.0,1.2Hz,2H),7.33(ddd,J=8.1,6.0,2.1Hz,1H),4.96-4.86(m,1H),2.00-1.89(m,2H),1.85-1.79(m,1H),1.77-1.71(m,1H),1.70-1.61(m,3H),1.59-1.44(m,4H),1.39-1.28(m,5H),1.27-1.18(m,4H),1.11(dq,J=16.9,8.0,7.5Hz,7H),1.04-0.93(m,4H),0.91(d,J=6.5Hz,3H),0.88(d,J=2.0Hz,3H),0.86(d,J=1.9Hz,3H),0.85(s,3H),0.65(s,3H).
13C NMR(101MHz,CDCl3)δ166.08,142.77,141.83,140.71,139.66,133.81,130.86,130.38,128.82,128.14,121.94,121.84,120.51,114.51,111.85,74.84,56.51,56.34,54.25,44.70,42.68,40.07,39.61,36.81,36.26,35.91,35.54,34.20,32.05,28.68,28.36,28.13,27.67,24.32,23.94,22.96,22.69,21.29,18.78,12.38,12.17.
HRMS(EI)Calcd for C45H58N2O2:[M+H]+658.4498.Found:m/z 658.4503.
实施例37:
Figure BDA0003732161500000253
化合物19的克级规模制备方法:取100mL圆底反应瓶,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-(184mg,20mol%),色胺(1.60g,10mmol,1.0当量),对炔基苯甲醛(12mmol,1.2当量),反应体系置换3次氧气,加入20mL甲苯,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物1.24g,产率46%。
实施例38:
Figure BDA0003732161500000261
化合物22(Eudistomin U)的克级规模制备方法:取100mL圆底反应瓶,配置合适大小的搅拌磁子,依次精确称量Ph3C+[B(C6F5)4]-(184mg,20mol%),色胺(1.60g,10mmol,1.0当量),3-甲酰基吲哚(12mmol,1.2当量),反应体系置换3次氧气,加入20mL甲苯,密封后置于120℃加热剧烈搅拌12小时至完全反应。二氯甲烷萃取三次,无水硫酸钠或者无水硫酸镁干燥,过滤,减压浓缩有机溶剂,经硅胶柱层析纯化,得到目标化合物1.32g,产率47%。
对比例1:离子对催化剂的对比
Figure BDA0003732161500000262
Figure BDA0003732161500000263
Figure BDA0003732161500000271
用其他离子对催化剂代替Ph3C+[B(C6F5)4]-作为反应的催化剂,则反应效果出现不同程度的下降,甚至失去催化效果。
对比例2:离子对催化剂的用量对比
Figure BDA0003732161500000272
Figure BDA0003732161500000273
降低催化剂的用量,目标产物的产率也开始相应的降低。
对比例3:反应溶剂的对比
Figure BDA0003732161500000274
Figure BDA0003732161500000275
其他溶剂替代甲苯作为反应溶剂,目标产物的产率均出现不同程度的下降甚至使得催化剂失去催化活性。
对比例4:其他反应条件的对比
Figure BDA0003732161500000281
Figure BDA0003732161500000282
气体氛围的对比显示,氧气是必须的反应物;另外随着反应温度的降低,则不利于目标产物的生成。

Claims (7)

1.一种β-咔啉类化合物的制备方法,其特征在于,该方法包括以下步骤:
Figure FDA0003732161490000011
上式(Ⅲ)中,R1为氢、甲基、甲氧基、三氟甲基、三氟甲氧基、氟、氯、溴、碘、羟基中的任意一种;
R2为氢、甲基、羧基、甲氧酰基、乙氧酰基中的任意一种;
R3为苯基、对甲基苯基、邻甲基苯基、间甲基苯基、对甲氧基苯基、间甲氧基苯基、邻甲氧基苯基、对氟苯基、邻氟苯基、间氟苯基、对氯苯基、邻氯苯基、间氯苯基、对溴苯基、邻溴苯基、间溴苯基、对羟基苯基、间羟基苯基、邻羟基苯基、对乙基苯基、对异丙基苯基、对叔丁基苯基、3,4,5-三氟苯基、五氟苯基、4-二甲氨基苯基、4-丙酰氧基苯基、对三氟甲基苯基、间三氟甲基苯基、邻三氟甲基苯基、对三氟甲氧基苯基、间三氟甲氧基苯基、邻三氟甲氧基苯基、2,5-二氯苯基、对乙炔基苯基、对乙烯基苯基、对氰基苯基、对硝基苯基、4-联苯基、间苯氧基苯基、4-甲磺酰基苯基、4-羧基苯基、3,4-二甲基苯基、2-萘基、3-吲哚基、2-噻吩基、2-吡咯基、2-吡啶基、3-吡啶基、苯并咪唑、N-乙基-3-咔啉基中的任意一种;
具体制备步骤如下:
(1)在氧气氛围下,将色胺或色胺衍生物式(Ⅰ)、醛类衍生物式(Ⅱ)以及三苯碳四(五氟苯基)硼酸盐催化剂依次加入至反应器中,然后加入水或有机溶剂,得到混合物,其中,所述色胺或色胺衍生物、醛类衍生物式衍生物、三苯碳四(五氟苯基)硼酸盐(Ph3C+[B(C6F5)4]-)以及溶剂的摩尔体积比为:0.1mmol~10mmol:0.15mmol~15mmol:0.02mmol~2mmol:1mL~20mL;
(2)将步骤(1)中得到的混合物在加热条件下反应12~24小时,得到β-咔啉类化合物式(Ⅲ)。
2.根据权利要求1所述的β-咔啉类化合物的制备方法,其特征在于,在步骤(2)中所述加热温度为120℃,反应时间为12小时,步骤(1)中所述溶剂为甲苯,色胺或色胺衍生物、芳香醛衍生物、离子对催化剂以及溶剂的摩尔体积比为:0.2mmol:0.3mmol:0.04mmol:1mL。
3.根据权利要求1所述的β-咔啉类化合物的制备方法,其特征在于,在步骤(1)中所述色胺或色胺衍生物为色胺及盐酸盐、5-氯色胺及盐酸盐、5-溴色胺及盐酸盐、5-甲基色胺及盐酸盐、5-甲氧基色胺及盐酸盐、色胺酸、色胺酸甲酯及盐酸盐、色胺酸乙酯及盐酸盐中的任意一种。
4.根据权利要求1所述的β-咔啉类化合物的制备方法,其特征在于,在步骤(1)中所述醛类衍生物为苯甲醛、对甲基苯甲醛、邻甲基苯甲醛、间甲基苯甲醛、对甲氧基苯甲醛、间甲氧基苯甲醛、邻甲氧基苯甲醛、对氟苯甲醛、邻氟苯甲醛、间氟苯甲醛、对氯苯甲醛、邻氯苯甲醛、间氯苯甲醛、对溴苯甲醛、邻溴苯甲醛、间溴苯甲醛、对羟基苯甲醛、间羟基苯甲醛、邻羟基苯甲醛、对乙基苯甲醛、对异丙基苯甲醛、对叔丁基苯甲醛、3,4,5-三氟苯甲醛、五氟苯甲醛、4-二甲氨基苯甲醛、4-丙酰氧基苯甲醛、对三氟甲基苯甲醛、间三氟甲基苯甲醛、邻三氟甲基苯甲醛、对三氟甲氧基苯甲醛、间三氟甲氧基苯甲醛、邻三氟甲氧基苯甲醛、2,5-二氯苯甲醛、对乙炔基苯甲醛、对乙烯基苯甲醛、对氰基苯甲醛、对硝基苯甲醛、4-联苯甲醛、间苯氧基苯甲醛、4-甲磺酰基苯甲醛、4-羧基苯甲醛、3,4-二甲基苯甲醛、2-萘甲醛、3-吲哚基甲醛、2-噻吩基甲醛、2-吡咯基甲醛、2-吡啶基甲醛、3-吡啶基甲醛、苯并咪唑-2-甲醛、N-乙基-咔啉基-3-甲醛以及如下所示结构式中任意一种
Figure FDA0003732161490000021
5.根据权利要求1所述的β-咔啉类化合物的制备方法,其特征在于,在步骤(1)中所述溶剂为甲苯、二氧六环、水、二甲亚砜、乙腈、甲醇中的一种或其中几种的混合溶剂。
6.根据权利要求1所述的β-咔啉类化合物的制备方法,其特征在于,所述的式(Ⅲ),为以下β-咔啉类化合物中任意一种:
Figure FDA0003732161490000022
7.根据权利要求1所述的β-咔啉类化合物的制备方法,其特征在于:
Figure FDA0003732161490000023
一种天然产物Eudistomin U的制备方法具体制备步骤如下:
(1)将色胺或色胺盐酸盐10mmol、3-吲哚甲醛12mmol以及三苯碳四(五氟苯基)硼酸盐1mmol催化剂依次加入至反应器中,然后加入甲苯或二甲苯有机溶剂,置换氧气保护,置于120℃加热搅拌反应12小时,TLC检测,反应完毕,加DCM萃取3次,干燥,分离纯化得天然产物Eudistomin U。
CN202210787707.6A 2022-07-06 2022-07-06 一种β-咔啉类化合物的制备方法 Active CN115093410B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210787707.6A CN115093410B (zh) 2022-07-06 2022-07-06 一种β-咔啉类化合物的制备方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210787707.6A CN115093410B (zh) 2022-07-06 2022-07-06 一种β-咔啉类化合物的制备方法

Publications (2)

Publication Number Publication Date
CN115093410A true CN115093410A (zh) 2022-09-23
CN115093410B CN115093410B (zh) 2023-09-26

Family

ID=83296893

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210787707.6A Active CN115093410B (zh) 2022-07-06 2022-07-06 一种β-咔啉类化合物的制备方法

Country Status (1)

Country Link
CN (1) CN115093410B (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115626889A (zh) * 2022-10-17 2023-01-20 南京工业大学 一种含氮杂环化合物氧化脱氢的有机化学转化方法
CN115785091A (zh) * 2022-11-02 2023-03-14 邵秀兰 一种利用PNP型钳形锰催化剂催化合成四氢-β-咔啉化合物的方法
CN115850269A (zh) * 2022-11-07 2023-03-28 南京工业大学 一种四氢-β-咔啉类化合物及其制备方法与应用

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108409732A (zh) * 2018-03-09 2018-08-17 温州大学 一种β-咔啉杂环化合物的绿色合成方法
CN109134460A (zh) * 2018-08-02 2019-01-04 南开大学 一种β-咔啉类化合物的合成方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108409732A (zh) * 2018-03-09 2018-08-17 温州大学 一种β-咔啉杂环化合物的绿色合成方法
CN109134460A (zh) * 2018-08-02 2019-01-04 南开大学 一种β-咔啉类化合物的合成方法

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
S. RAMU ET AL.: "Metal free one pot synthesis of β-carbolines via a domino Pictet-Spengler reaction and aromatization" *
ZHEN GUO ZHANG ET AL.: "Metal-free access to b-carbolines via singleelectron transfer catalyzed by a triaryl carbenium ion pair" *
ZHENGUO ZHANG ET AL.: "Metal-Free Access to (Spirocyclic)Tetrahydro-β-carbolines in Water Using an Ion-Pair as a Superacidic Precatalyst" *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115626889A (zh) * 2022-10-17 2023-01-20 南京工业大学 一种含氮杂环化合物氧化脱氢的有机化学转化方法
CN115626889B (zh) * 2022-10-17 2024-04-30 南京工业大学 一种含氮杂环化合物氧化脱氢的有机化学转化方法
CN115785091A (zh) * 2022-11-02 2023-03-14 邵秀兰 一种利用PNP型钳形锰催化剂催化合成四氢-β-咔啉化合物的方法
CN115850269A (zh) * 2022-11-07 2023-03-28 南京工业大学 一种四氢-β-咔啉类化合物及其制备方法与应用

Also Published As

Publication number Publication date
CN115093410B (zh) 2023-09-26

Similar Documents

Publication Publication Date Title
Xia et al. Chiral phosphoric acid-catalyzed asymmetric dearomatization reactions
CN115093410B (zh) 一种β-咔啉类化合物的制备方法
Bariwal et al. Recent advances in spirocyclization of indole derivatives
Zhu et al. Catalytic Asymmetric [3+ 2] Cycloadditions of C‐3 Unsubstituted 2‐Indolylmethanols: Regio‐, Diastereo‐and Enantioselective Construction of the Cyclopenta [b] indole Framework
Zheng et al. Recent Developments in Photo‐Catalyzed/Promoted Synthesis of Indoles and Their Functionalization: Reactions and Mechanisms
Pirovano Gold‐Catalyzed Functionalization Reactions of Indole
Zhang et al. Catalytic asymmetric Povarov reaction of isatin-derived 2-azadienes with 3-vinylindoles
Zhou et al. Advances in annulation reactions initiated by phosphorus ylides generated in situ
CN107602577A (zh) 手性桥环骨架羟吲哚螺哌啶类化合物及其合成方法
Moghaddam et al. Diastereoselective construction of a functionalized dihydro-pyridazine-based spirooxindole scaffold via C-3 umpolung of isatin N, N′-cyclic azomethine imine
Wang et al. Chiral Phosphoric Acid-Catalyzed Pictet–Spengler Reactions for Synthesis of 5′, 11′-Dihydrospiro [indoline-3, 6′-indolo [3, 2-c] qui-nolin]-2-ones Containing Quaternary Stereocenters
Xu et al. Pd‐Catalyzed Asymmetric Allylic Substitution Annulation Using Enolizable Ketimines as Nucleophiles: An Alternative Approach to Chiral Tetrahydroindoles
CN115108960A (zh) 一种多取代吲哚化合物的制备方法及其应用
Dagoneau et al. Towards the Sarpagine‐Ajmaline‐Macroline Family of Indole Alkaloids: Enantioselective Synthesis of an N‐Demethyl Alstolactone Diastereomer
CN110437126B (zh) 有机催化吲哚非活化sp3碳氢键不对称官能团化的方法与应用
Kumar et al. A silver-catalyzed stereoselective domino cycloisomerization–vinylogous aldol reaction of ortho-alkynylbenzaldehydes with 3-alkylidene oxindoles: an entry to functionalized isochromenes
CN111892528B (zh) 一种7-酰胺吲哚类化合物的制备方法
Ruff et al. A combined vinylogous Mannich/Diels–Alder approach for the stereoselective synthesis of highly functionalized hexahydroindoles
Yadav et al. Divergent Annulation of Spiro [indoline‐pyran] and Fused (Epoxyetheno) indeno‐Furan from 1, 2‐Diketone and 1‐Cyanoketone
Beemelmanns et al. Stereoselective Cascade Cyclizations with Samarium Diiodide to Tetracyclic Indolines: Precursors of Fluorostrychnines and Brucine
Ren et al. Direct synthesis of C3-alkynyl pyrroloindolines from tryptamines via a visible-light-induced radical cascade reaction
CN115850269A (zh) 一种四氢-β-咔啉类化合物及其制备方法与应用
CN108586457B (zh) 一种基于氮原子α位氢迁移策略的吲哚碳环去芳香化合成方法
CN115353478B (zh) 一种吲哚类化合物的制备方法
CN115785087B (zh) 一种一价金催化的1H-吡啶并[4,3-b]吲哚骨架化合物的合成方法

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant