Catalysis by an ionic liquid: efficient conjugate addition of thiols to electron deficient alkenes catalyzed by molten tetrabutylammonium bromide under solvent-free conditions

被引:178
|
作者
Ranu, BC [1 ]
Dey, SS [1 ]
Hajra, A [1 ]
机构
[1] Indian Assoc Cultivat Sci, Dept Organ Chem, Kolkata 700032, W Bengal, India
关键词
thiol; alkene; tetrabutylammonium bromide; conjugate addition; solvent-free reaction;
D O I
10.1016/S0040-4020(03)00289-8
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
An inexpensive and readily available ionic liquid, tetrabutylammonium bromide in the molten state, efficiently catalyzes the conjugate addition of thiols to alpha,beta-unsaturated nitriles, carboxylic ester, ketones and aldehydes as well as nitro olefins. (C) 2003 Elsevier Science Ltd. All fights reserved.
引用
收藏
页码:2417 / 2421
页数:5
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