Pd/CaCO3 in liquid poly(ethylene glycol) (PEG):: an easy and efficient recycle system for partial reduction of alkynes to cis-olefins under a hydrogen atmosphere

被引:70
作者
Chandrasekhar, S [1 ]
Narsihmulu, C [1 ]
Chandrashekar, G [1 ]
Shyamsunder, T [1 ]
机构
[1] Indian Inst Chem Technol, Hyderabad 500007, Andhra Pradesh, India
关键词
hydrogenation; Lindlar's catalyst; PEG; recycling;
D O I
10.1016/j.tetlet.2004.01.097
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Lindlar's catalyst (Pd/CaCO3) in PEG (400) has been found to be the most reusable reaction medium for selective reduction of alkynes to cis-olefins. The catalyst and PEG were recycled five times without loss of activity. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:2421 / 2423
页数:3
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