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Polymer‐Attached Thiazolium Salts‐Catalyzed Addition of Aldehydes toα, β‐Unsaturated Carbonyl Compounds

 

作者: Biau‐Hung Chang,   Yueyeh L. Chang,  

 

期刊: Journal of the Chinese Chemical Society  （WILEY Available online 1983）
卷期: Volume 30, issue 1  

页码: 55-58

 

ISSN:0009-4536

 

年代: 1983

 

DOI:10.1002/jccs.198300008

 

出版商: WILEY‐VCH Verlag

 

关键词: Supported 3‐benzyl‐5‐(2‐hydroxyithyl)‐4‐methyl‐1,3‐thiazolium chloride;α,β‐unsaturated ketones;γ‐diketone

 

数据来源: WILEY

 

摘要:

AbstractA homogeneous catalyst, 3‐benzyl‐5‐(2‐hydroxyethyl)‐4‐methyl‐1,3‐thiazolium chloride, for addition of aldehydes to activated double bond, was attached to 20% cross‐linked polystyrene‐divinylbenzene copolymer. The attached catalysts could be easily removed from the reaction mixture. Polymer‐attached thiazolium salts in the presence of triethylamine are active catalysts for addition of aromatic and aliphatic aldehydes toα,β‐unsaturated ket

 

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