CN113200812B - 1,3,5-三取代芳基化合物的合成方法 - Google Patents

1,3,5-三取代芳基化合物的合成方法 Download PDF

Info

Publication number
CN113200812B
CN113200812B CN202110459707.9A CN202110459707A CN113200812B CN 113200812 B CN113200812 B CN 113200812B CN 202110459707 A CN202110459707 A CN 202110459707A CN 113200812 B CN113200812 B CN 113200812B
Authority
CN
China
Prior art keywords
trisubstituted aryl
trisubstituted
reaction
additive
synthesizing
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.)
Active
Application number
CN202110459707.9A
Other languages
English (en)
Other versions
CN113200812A (zh
Inventor
王光伟
杨凯
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.)
Tianjin University
Original Assignee
Tianjin 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 Tianjin University filed Critical Tianjin University
Priority to CN202110459707.9A priority Critical patent/CN113200812B/zh
Publication of CN113200812A publication Critical patent/CN113200812A/zh
Application granted granted Critical
Publication of CN113200812B publication Critical patent/CN113200812B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • C07C2/02Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons
    • C07C2/42Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons homo- or co-oligomerisation with ring formation, not being a Diels-Alder conversion
    • C07C2/48Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons homo- or co-oligomerisation with ring formation, not being a Diels-Alder conversion of only hydrocarbons containing a carbon-to-carbon triple bond
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/26Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton
    • C07C17/272Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by addition reactions
    • C07C17/278Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by addition reactions of only halogenated hydrocarbons
    • C07C17/281Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by addition reactions of only halogenated hydrocarbons of only one compound
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/68Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/44Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by addition reactions, i.e. reactions involving at least one carbon-to-carbon double or triple bond
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01Preparation of ethers
    • C07C41/18Preparation of ethers by reactions not forming ether-oxygen bonds
    • C07C41/30Preparation of ethers by reactions not forming ether-oxygen bonds by increasing the number of carbon atoms, e.g. by oligomerisation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/30Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/333Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
    • C07C67/343Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C67/347Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by addition to unsaturated carbon-to-carbon bonds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D333/00Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/02Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
    • C07D333/04Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
    • C07D333/06Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
    • C07D333/08Hydrogen atoms or radicals containing only hydrogen and carbon atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02Silicon compounds
    • C07F7/08Compounds having one or more C—Si linkages
    • C07F7/0803Compounds with Si-C or Si-Si linkages
    • C07F7/0805Compounds with Si-C or Si-Si linkages comprising only Si, C or H atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02Silicon compounds
    • C07F7/08Compounds having one or more C—Si linkages
    • C07F7/0803Compounds with Si-C or Si-Si linkages
    • C07F7/081Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02Silicon compounds
    • C07F7/08Compounds having one or more C—Si linkages
    • C07F7/0803Compounds with Si-C or Si-Si linkages
    • C07F7/0825Preparations of compounds not comprising Si-Si or Si-cyano linkages
    • C07F7/083Syntheses without formation of a Si-C bond

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

本发明属于有机合成领域,具体涉及一种1,3,5‑三取代芳基化合物的合成方法,采用下式(III)进行;
Figure DDA0003041807540000011
其中,R,R1,R2为任何取代基,X为C‑R3,其中R3为H或者其他任意取代基。本发明实现了一种新的合成1,3,5‑三取代的芳基化合物的方法。极大地促进了1,3,5‑三取代的芳基化合物的规模化生产和应用。

Description

1,3,5-三取代芳基化合物的合成方法
技术领域
本发明属于有机合成领域,具体涉及一种1,3,5-三取代芳基化合物的合成方法。
背景技术
近年来通过氢键相互作用控制反应区域选择性的应用实例相继报道,我们希望将该策略引入末端炔烃的环化聚合反应中以解决长久以来存在的区域选择性问题。1,3,5-三取代的芳基化合物是一类重要的分子骨架,它广泛应用于材料科学和生物医药领域,而且某些天然产物的合成也经常用到分子内的炔烃环加成策略。目前,研究者们已经开发出了由末端炔烃出发构建1,2,4-三取代芳基化合物有效的方法,然而多数涉及计算方面的文章已经证明末端炔烃环化聚合时由于金属中间体插入炔烃面临的多种位点选择性以及后续转化的能垒问题而难以形成1,3,5-三取代芳基化合物。
尽管近二十年来有文献报道通过单一末端炔烃合成了1,3,5-三取代苯的衍生物,但是其往往区域选择性差或者极大地受到底物适用性和苛刻的反应条件的限制,因此双分子末端炔烃的高区域选择性环化聚合是一项更大的挑战。2001年江课题组报道了该类反应(如式(I)示出)。该反应体系以氯化钯为催化剂,加入当量的氯化亚铜做添加剂,在丁醇和苯的混合溶剂下实现了炔烃的环化三聚反应。2010年,王课题组同样报道了该类反应(如式(II)示出)。选用氯化铟作为催化剂,2-碘苯酚在该反应中做添加剂,在氯苯中回流即可实现末端炔烃的环化聚合反应。从上述两个反应中,我们可以发现,前者课题组所用的催化剂较为昂贵,当量的铜盐也使得反应后处理过程繁琐化。而后者课题组则需要使用毒性较强的溶剂和对空气敏感的氯化铟,并且他们的研究工作中均未实现不同分子间的区域选择性环化产物。以上两种方法的底物适用性和苛刻的反应体系极大地限制了这些方法的大规模应用。因此,发展更实用、更高效的合成1,3,5-三取代苯的方法仍然是很重要和迫切的。
Figure BDA0003041807530000011
Figure BDA0003041807530000021
发明内容
本发明的目的在于提供一种1,3,5-三取代芳基化合物的合成方法。
为实现上述目的,本发明采用的技术方案为:
一种1,3,5-三取代芳基化合物的合成方法,采用下式(I I I)进行;
Figure BDA0003041807530000022
其中,R,R1,R2为任何取代基,X为C-R3,其中R3为H或者其他任意取代基。
优选的R3为H。
催化剂为镍催化剂;添加剂为含硼试剂、或者锌试剂。
优选的催化剂为NiCl2(PPh3)2、NiCl2·DME、Ni(acac)2、NiCO3、NiCl2·6H2O或者NiNO3·6H2O;添加剂为B2(OH)4、B2cat2、Zn/B(OH)3或者Zn。
催化剂与添加剂的摩尔比为1-1.5:1-3。
催化剂与添加剂的摩尔比为1:3。
镍催化剂的用量为大于或等于0.01equiv原料,添加剂的用量为大于或等于0.03equiv原料。
溶剂为DCM,二甲基亚砜DMSO,MeCN,N,N-二甲基甲酰胺DMF,四氢呋喃THF中的一种。
R、R1以及R2可以相同,也可以不同。
化合物1与化合物2相同,且与化合物3不同;当其中化合物1或者2为丙炔酸乙酯时,化合物1:化合物3的摩尔比为3:2,当化合物1、化合物2以及化合物3均不是丙炔酸乙酯,化合物1与化合物3的投料的摩尔比为2:1。
具体包括下述步骤:加入催化剂以及添加剂于反应瓶内,惰性气体置换,然后加入溶剂,之后常温滴加炔烃原料后,将反应管进行加热;待反应完全后,旋蒸萃取,柱层析分离。加热温度为80-120℃。
与现有技术相比,本发明的有益效果是:
本发明实现了一种新的合成1,3,5-三取代的芳基化合物的方法。该方法对底物的适用范围广阔,区域选择性高,可以实现两分子的高区域选择性交叉聚合,极大地促进了1,3,5-三取代的芳基化合物的规模化生产和应用。
具体实施方式
为了使本技术领域的技术人员更好地理解本发明的技术方案,下面结合最佳实施例对本发明作进一步的详细说明。
实施例1:1,3,5-三取代苯化合物(2a)的合成:(MeCN作为溶剂用于三取代芳基化合物2a的合成)。
Figure BDA0003041807530000031
取磁子于25mL Schlenk瓶中,加入NiCl2·DME(22.0mg,0.1mmol,0.1equiv),B2(OH)4(26.9mg,0.3mmol,0.3equiv)于反应瓶内,在双排管上用氩气置换三次,然后加入MeCN(5.0mL),用微量注射器滴加苯乙炔(1a,110.0μL,1.0mmol,1.0equiv)后,将反应管移入油浴锅内于100℃下反应12小时。待反应完全后,将反应液转移至圆底烧瓶中,旋蒸除去乙腈溶剂,然后加入5mL水,用10mL乙酸乙酯萃取,水相用乙酸乙酯(5mL x 3)萃取三次,合并有机相,有机相分别用10mL水,饱和氯化钠水溶液(10mL x 2)洗涤,然后用无水NaSO4干燥,过滤,将过滤后的有机相旋蒸,旋蒸后的浓缩液转移至硅胶柱中,通过柱层析(PE)得到纯产物94.5mg(白色固体)。产率:93%。1H NMR(400MHz,CDCl3)δ7.83(s,3H),7.75(d,J=7.7Hz,6H),7.52(t,J=7.6Hz,6H),7.43(t,J=7.0Hz,3H).13C NMR(101MHz,CDCl3)δ142.5,141.3,129.0,127.7,127.5,125.3.
实施例2:1,3,5-三取代苯化合物(2a)的合成:(THF作为溶剂用于三取代芳基化合物2a的合成)。
Figure BDA0003041807530000041
取磁子于25mL Schlenk瓶中,加入NiCl2·DME(22.0mg,0.1mmol,0.1equiv),B2(OH)4(26.9mg,0.3mmol,0.3equiv)于反应瓶内,在双排管上用氩气置换三次,然后加入THF(5.0mL),用微量注射器滴加苯乙炔(1a,110.0μL,1.0mmol,1.0equiv)后,将反应管移入油浴锅内于80℃下反应12小时。待反应完全后,将反应液转移至圆底烧瓶中,旋蒸除去THF,然后加入5mL水,用10mL乙酸乙酯萃取,水相用乙酸乙酯(5mL x 3)萃取三次,合并有机相,有机相分别用10mL水,饱和氯化钠水溶液(10mL x 2)洗涤,然后用无水NaSO4干燥,过滤,将过滤后的有机相旋蒸,旋蒸后的浓缩液转移至硅胶柱中,通过柱层析(PE)得到混合产物70mg(白色固体),其中1,3,5-三取代苯:1,2,4-三取代苯的比例为3:2,产率:69%。
实施例3:1,3,5-三取代苯化合物(2a)的合成:(DMF作为溶剂用于三取代芳基化合物2a的合成)。
Figure BDA0003041807530000042
取磁子于25mL Schlenk瓶中,加入NiCl2·DME(22.0mg,0.1mmol,0.1equiv),B2(OH)4(26.9mg,0.3mmol,0.3equiv)于反应瓶内,在双排管上用氩气置换三次,然后加入DMF(5.0mL),用微量注射器滴加苯乙炔(1a,110.0μL,1.0mmol,1.0equiv)后,将反应管移入油浴锅内于80℃下反应12小时。待反应完全后,将反应液转移至圆底烧瓶中,然后加入5mL水,用10mL乙酸乙酯萃取,水相用乙酸乙酯(5mL x 3)萃取三次,合并有机相,有机相分别用10mL水,饱和氯化钠水溶液(10mL x 2)洗涤,然后用无水NaSO4干燥,过滤,将过滤后的有机相旋蒸,旋蒸后的浓缩液转移至硅胶柱中,通过柱层析(PE)得到混合产物38.7mg(白色固体),其中1,3,5-三取代苯:1,2,4-三取代苯的比例为4:1,产率:38%。
实施例4:1,3,5-三取代苯化合物(2a)的合成:(B2cat2作为添加剂用于三取代芳基化合物2a的合成)。
Figure BDA0003041807530000051
取磁子于25mL Schlenk瓶中,加入NiCl2·DME(22.0mg,0.1mmol,0.1equiv),B2(cat)2(71.34mg,0.3mmol,0.3equiv)于反应瓶内,在双排管上用氩气置换三次,然后加入THF(5.0mL),用微量注射器滴加苯乙炔(110.0μL,1.0mmol,1.0equiv)后,将反应管移入油浴锅内于80℃下反应12小时。待反应完全后,将反应液转移至圆底烧瓶中,旋蒸除去THF,然后加入5mL水,用10mL乙酸乙酯萃取,水相用乙酸乙酯(5mL x 3)萃取三次,合并有机相,有机相分别用10mL水,饱和氯化钠水溶液(10mL x 2)洗涤,然后用无水NaSO4干燥,过滤,将过滤后的有机相旋蒸,旋蒸后的浓缩液转移至硅胶柱中,通过柱层析(PE)得到混合产物30.6mg(白色固体),其中1,3,5-三取代苯:1,2,4-三取代苯的比例为7:1,产率:30%。
实施例5:3,5-二丁基-3'-甲氧基-1,1'-联苯化合物(3a)的合成
Figure BDA0003041807530000052
取磁子于25mL Schlenk瓶中,加入NiCl2·DME(33.0mg,0.15mmol,0.15equiv),B2(OH)4(40.4mg,0.45mmol,0.45equiv),间甲氧基苯乙炔(2',66.1mg,0.5mmol,0.5equiv)于反应瓶内,在双排管上用氩气置换三次,然后加入MeCN(7.0mL),用微量注射器滴加正己炔(1,115.0μL,1.0mmol,1.0equiv)后,将反应管移入油浴锅内于100℃下反应12小时。待反应完全后,将反应液转移至圆底烧瓶中,旋蒸除去乙腈溶剂,然后加入5mL水,用10mL乙酸乙酯萃取,水相用乙酸乙酯(5mL x 3)萃取三次,合并有机相,有机相分别用10mL水,饱和氯化钠水溶液(10mL x 2)洗涤,然后用无水NaSO4干燥,过滤,将过滤后的有机相旋蒸,旋蒸后的浓缩液转移至硅胶柱中,通过柱层析(PE/EA=30/1)得到纯产物119.3mg(无色油状物)。产率:80%。1H NMR(600MHz,CDCl3)δ7.35(t,J=7.9Hz,1H),7.22(d,J=1.6Hz,2H),7.21–7.16(m,1H),7.14–7.12(m,1H),7.01(s,1H),6.91–6.87(m,1H),3.88(s,3H),2.65(t,J=7.8Hz,4H),1.68-1.62(m,4H),1.43–1.36(m,4H),0.95(t,J=7.4Hz,6H).13C NMR(151MHz,CDCl3)δ160.0,143.4,141.1,129.7,128.0,124.9,120.0,113.2,112.5,55.5,35.9,33.9,22.6,14.1.HRMS(ESI)m/z:[M+H]+Calcd for C21H29O2 +297.2213;Found 297.2212.
实施例6:[1,1':3',1”-三苯基]-5'-羧酸乙酯(3e)的合成
Figure BDA0003041807530000061
取磁子于50mL Schlenk瓶中,加入NiCl2·DME(43.9mg,0.2mmol,0.2equiv),B2(OH)4(53.8mg,0.6mmol,0.6equiv)于反应瓶内,在双排管上用氩气置换三次,然后加入MeCN(10.0mL),用微量注射器滴加苯乙炔(1a,88.0μL,0.8mmol,0.8equiv)和丙炔酸乙酯(1',121.0μL,1.2mmol,1.2equiv)将反应管移入油浴锅内于100℃下反应12小时。待反应完全后,将反应液转移至圆底烧瓶中,旋蒸除去乙腈溶剂,然后加入5mL水,用10mL乙酸乙酯萃取,水相用乙酸乙酯(5mL x 3)萃取三次,合并有机相,有机相分别用10mL水,饱和氯化钠水溶液(10mL x 2)洗涤,然后用无水NaSO4干燥,过滤,将过滤后的有机相旋蒸,旋蒸后的浓缩液转移至硅胶柱中,通过柱层析(PE/EA=30/1)得到纯产物78.7mg(白色固体)。产率:65%。1H NMR(600MHz,CDCl3)δ8.27(d,J=1.8Hz,2H),7.99(t,J=1.8Hz,1H),7.80–7.62(m,4H),7.53–7.46(m,4H),7.46–7.34(m,2H),4.45(q,J=7.1Hz,2H),1.44(t,J=7.1Hz,3H).13CNMR(151MHz,CDCl3)δ166.7,142.2,140.4,131.7,130.4,129.1,128.0,127.4,127.2,61.3,14.5.
实施例7:1,3,5-三(4-正丁基苯基)苯(2b)化合物的合成
Figure BDA0003041807530000071
该反应步骤和实施例1中反应步骤相类似,通过柱层析(PE)得到纯产物142.1mg(无色油状物)。产率:90%。1H NMR(400MHz,CDCl3)δ7.90(s,3H),7.75(d,J=7.2Hz,6H),7.42(d,J=7.3Hz,6H),2.81(t,J=7.3Hz,6H),1.94–1.71(m,6H),1.55(q,J=7.0Hz,6H),1.11(t,J=7.0Hz,9H).13C NMR(101MHz,CDCl3)δ142.4,142.3,138.8,129.0,127.3,124.7,35.5,33.8,22.6,14.1.
实施例8:1,3,5-三(4-甲氧羰基苯基)苯化合物(2c)的合成
Figure BDA0003041807530000072
该反应步骤和实施例1中反应步骤相类似,通过柱层析(PE/EA=10:1)得到纯产物145.2mg(黄色油状物)。产率:91%。1H NMR(600MHz,CDCl3)δ8.16(d,J=8.4Hz,6H),7.85(s,3H),7.76(d,J=8.5Hz,6H),3.96(s,9H).13C NMR(151MHz,CDCl3)δ167.0,145.1,141.8,130.4,129.6,127.4,126.2,52.4.
实施例9:1,3,5-三己基苯化合物(2q)的合成
Figure BDA0003041807530000073
该反应步骤和实施例1中反应步骤相类似,通过柱层析(PE)得到纯产物86.4mg(无色油状物)。产率:70%。1H NMR(400MHz,CDCl3)δ6.73(s,3H),2.46(t,J=7.6Hz,6H),1.44–1.64(m,6H),1.06–1.43(m,18H),0.81(t,9H).13C NMR(101MHz,CDCl3)δ142.8,126.0,36.2,31.9,31.7,29.3,22.8,14.2.
实施例10:5'-丁基-4,4”-二甲氧基-1,1':3',1”-三联苯(3b)的合成
Figure BDA0003041807530000081
该反应步骤和实施例5中反应步骤相类似,通过柱层析(PE/EA=10/1)得到纯产物129.4mg(无色油状物)。产率:75%。1H NMR(400MHz,CDCl3)δ7.62–7.56(m,4H),7.54(t,J=1.7Hz,1H),7.32(d,J=1.6Hz,2H),7.05–6.96(m,4H),3.87(s,6H),2.72(t,J=7.8Hz,2H),1.91–1.61(m,2H),1.48–1.36(m,2H),0.96(t,J=7.3Hz,3H).13C NMR(101MHz,CDCl3)δ159.2,143.9,141.4,134.1,128.4,125.6,122.9,114.3,55.5,36.0,34.0,22.6,14.2.HRMS(ESI)m/z:[M+H]+Calcd for C24H27O2 +347.2011;Found 347.2013.
实施例11:4,4”-二溴-[1,1':3',1”-三苯基]-5'-羧酸乙酯化合物(3e)的合成
Figure BDA0003041807530000082
该反应步骤和实施例6中反应步骤相类似,通过柱层析(PE/EA=30/1)得到纯产物124.5mg(黄色固体)。产率:68%。1H NMR(400MHz,CDCl3)δ8.22(d,J=1.8Hz,2H),7.91–7.86(m,1H),7.61(d,J=8.5Hz,4H),7.53(d,J=8.5Hz,4H),4.44(q,J=7.2Hz,2H),1.44(t,J=7.1Hz,3H).13C NMR(101MHz,CDCl3)δ166.3,141.2,139.1,132.3,132.1,129.8,129.0,127.3,122.5,61.5,14.5.HRMS(ESI)m/z:[M+H]+Calcd for C21H17Br2O2 +458.9590;Found458.9595.
其他1,3,5-三取代芳基化合物的制备方法同实施例1,例5,例6类似,产物及其收率如表1示出。
表1
Figure BDA0003041807530000091
Figure BDA0003041807530000101
有多种实施产物可以看出本发明实现了一种新的合成1,3,5-三取代芳基化合物的方法。该方法对底物适用范围广,区域选择性好,收率高,且不需要额外添加配体和碱,极大地促进了1,3,5-三取代芳基化合物的规模化生产和应用。
1,3,5-三取代芳基化合物在不同条件下的收率及比例如表2所示。
表2
Figure BDA0003041807530000102
Figure BDA0003041807530000103
   
Figure BDA0003041807530000111
双分子环化聚合反应物投料比例的条件筛选如表3所示。
表3
Figure BDA0003041807530000112
Figure BDA0003041807530000113
以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。

Claims (7)

1.一种1,3,5-三取代芳基化合物的合成方法,其特征在于,采用下式(III)进行;
(III);
其中,R ,R1 ,R2为相同取代基时,R为烷基、苯基、硅烷基、噻吩基、烯基,苄基甲氧基或者取代的苯基;苯基的取代基为烷基、卤素、氨基、烷氧羰基、三氟甲基、或者苄氧基;
其中,R ,R1为相同取代基时,R2为与R ,R1不相同取代基时,R为烷基、苯基或者取代的苯基;苯基的取代基为甲氧基、烷基或者卤素;R2为硅烷基、烷基、烯基、或者烷氧羰基;
X为C-R3,其中R3为H;
催化剂为NiCl2·DME,所述的添加剂为B2(OH)4,所述的溶剂为CH3CN。
2.根据权利要求1所述的1,3,5-三取代芳基化合物的合成方法,其特征在于,所述的催化剂替换为NiCl2(PPh3)2、Ni(acac)2、或者NiCl2·6H2O。
3.根据权利要求1所述的1,3,5-三取代芳基化合物的合成方法,其特征在于,所述的添加剂替换为B2cat2、或者Zn。
4.根据权利要求1所述的1,3,5-三取代芳基化合物的合成方法,其特征在于,所述的溶剂替换为N,N-二甲基甲酰胺或者四氢呋喃。
5.根据权利要求1所述的1,3,5-三取代芳基化合物的合成方法,其特征在于,催化剂与添加剂的摩尔比为1-1.5:1-3。
6.根据权利要求1所述的1,3,5-三取代芳基化合物的合成方法,其特征在于,镍催化剂的用量为大于或等于0.01 equiv原料,添加剂的用量为大于或等于0.03 equiv原料。
7.根据权利要求1所述的1,3,5-三取代芳基化合物的合成方法,其特征在于,催化剂与添加剂的摩尔比为1:3。
CN202110459707.9A 2021-04-27 2021-04-27 1,3,5-三取代芳基化合物的合成方法 Active CN113200812B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110459707.9A CN113200812B (zh) 2021-04-27 2021-04-27 1,3,5-三取代芳基化合物的合成方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110459707.9A CN113200812B (zh) 2021-04-27 2021-04-27 1,3,5-三取代芳基化合物的合成方法

Publications (2)

Publication Number Publication Date
CN113200812A CN113200812A (zh) 2021-08-03
CN113200812B true CN113200812B (zh) 2023-04-07

Family

ID=77026873

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110459707.9A Active CN113200812B (zh) 2021-04-27 2021-04-27 1,3,5-三取代芳基化合物的合成方法

Country Status (1)

Country Link
CN (1) CN113200812B (zh)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112645871B (zh) * 2020-12-31 2022-09-16 天津大学 N-cf2h-1,2-二氢吡啶-2-酮化合物的合成方法

Also Published As

Publication number Publication date
CN113200812A (zh) 2021-08-03

Similar Documents

Publication Publication Date Title
CN105585593A (zh) 新型含吡啶基冠醚的手性双磷配体及其在不对称催化反应中的应用
CN113200812B (zh) 1,3,5-三取代芳基化合物的合成方法
CN106380446B (zh) 一种喹啉-2甲酸酯基衍生物的合成方法
CN111217809B (zh) 一类手性含氮双烯配体及其制备方法和应用
CN106831281B (zh) 一种合成1,2-二碘烯烃类化合物的方法
CN112778347B (zh) 一种硼氮苯并咔唑衍生物的合成方法
CN112724171B (zh) 一种2-膦酰基-3-氟代乙烯基吲哚化合物及其制备方法
Wennerström A Meisenheimer Compound from 2, 6-Dimethoxyphenylsilver and 1, 3, 5-Trinitrobenzene
CN109912640B (zh) 一种2-吡咯烷酮类化合物的制备方法
JP2019535817A (ja) 環状担持触媒
CN111217847B (zh) 一种硫代硅烷配体及其制备方法和在芳基硼化催化反应中的应用
CN107935913B (zh) 咔唑类化合物及其合成方法和应用
CN109320538B (zh) 3-溴-5-芳基-2-(三甲基硅基)-1-(n,n-二甲基磺酰胺)吡咯合成方法
WO2017193288A1 (en) Synthesis of phosphine ligands bearing tunable linkage: methods of their use in catalysis
CN108456172B (zh) 一种具有苯并咪唑骨架的手性氮杂环卡宾前体化合物及其制备方法和应用
FR2961813A1 (fr) Ligands supportes a haute densite locale d'atomes coordinants
CN101220058B (zh) 手性和非手性pcn钳形钯化合物及合成方法和用途
CN109796372B (zh) 一种制备多取代烯基脒的方法
CN112694489A (zh) N-杂环卡宾铜催化剂的制备方法
CN113024604B (zh) 一种c3-烯基化的2-吡啶酮类衍生物的制备方法
CN108503578B (zh) 一种茚并-[1,2-b]吲哚-10(5H)-酮类化合物的合成方法
CN117024354B (zh) 瑞米布替尼的制备方法
CN111100147B (zh) 铜氮杂环卡宾络合催化剂的合成方法
CN110041334B (zh) 一种氨基苯酚类化合物的制备方法
WO2008059960A1 (fr) Procédé de production d'un dérivé 4-pyridinique et intermédiaire pour dérivé 4-pyridinique

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