The regiospecific Fischer indole reaction in choline chloride•2ZnCl2 with product isolation by direct sublimation from the ionic liquid

被引:121
作者
Morales, RC [1 ]
Tambyrajah, V [1 ]
Jenkins, PR [1 ]
Davies, DL [1 ]
Abbott, AP [1 ]
机构
[1] Univ Leicester, Dept Chem, Green Chem Res Grp, Leicester LE1 7RH, Leics, England
关键词
D O I
10.1039/b313655h
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The Fischer indole synthesis occurs in high yield with one equivalent of the ionic liquid choline chloride.2ZnCl(2); exclusive formation of 2,3-disubstituted indoles is observed in the reaction of alkyl methyl ketones, and the products readily sublime directly from the ionic liquid.
引用
收藏
页码:158 / 159
页数:2
相关论文
共 18 条
  • [1] Preparation of novel, moisture-stable, Lewis-acidic ionic liquids containing quaternary ammonium salts with functional side chains
    Abbott, AP
    Capper, G
    Davies, DL
    Munro, HL
    Rasheed, RK
    Tambyrajah, V
    [J]. CHEMICAL COMMUNICATIONS, 2001, (19) : 2010 - 2011
  • [2] Novel solvent properties of choline chloride/urea mixtures
    Abbott, AP
    Capper, G
    Davies, DL
    Rasheed, RK
    Tambyrajah, V
    [J]. CHEMICAL COMMUNICATIONS, 2003, (01) : 70 - 71
  • [3] Quaternary ammonium zinc- or tin-containing ionic liquids: water insensitive, recyclable catalysts for Diels-Alder reactions
    Abbott, AP
    Capper, G
    Davies, DL
    Rasheed, RH
    Tambyrajah, V
    [J]. GREEN CHEMISTRY, 2002, 4 (01) : 24 - 26
  • [4] Ionic liquids as solvents of choice for electrophilic fluorination:: fluorination of indoles by F-TEDA-BF4
    Baudoux, J
    Salit, AF
    Cahard, D
    Plaquevent, JC
    [J]. TETRAHEDRON LETTERS, 2002, 43 (37) : 6573 - 6574
  • [5] CHEN P, 2000, J ELECTROCHEM SOC, V47
  • [6] Electrodeposition of Cu-Zn alloy from a Lewis acidic ZnCl2-EMIC molten salt
    Chen, PY
    Lin, MC
    Sun, IW
    [J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 2000, 147 (09) : 3350 - 3355
  • [7] The first high yield green route to a pharmaceutical in a room temperature ionic liquid
    Earle, MJ
    McCormac, PB
    Seddon, KR
    [J]. GREEN CHEMISTRY, 2000, 2 (06) : 261 - 262
  • [8] EARLE MJ, 2000, PURE APPL CHEM, V39, P3772
  • [9] FISCHER E, 1886, LIEBIGS ANN CHEM, V236, P126
  • [10] The first Bischler-Napieralski cyclization in a room temperature ionic liquid
    Judeh, ZMA
    Ching, CB
    Bu, J
    McCluskey, A
    [J]. TETRAHEDRON LETTERS, 2002, 43 (29) : 5089 - 5091