A Convenient Method for the Lewis Base-catalyzed Synthesis of. ALPHA.,. BETA.-Unsaturated Carboxylic Esters Using Trimethylsilylketene Ethyl Trimethylsilyl Acetal …
M Michida, T Mukaiyama
Index: Michida, Makoto; Mukaiyama, Teruaki Chemistry Letters, 2008 , vol. 37, # 7 p. 704 - 705
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Citation Number: 4
Abstract
A highly useful method for the synthesis of α, β-unsaturated carboxylic esters from various carbonyl compounds that uses trimethylsilylbetene ethyl trimethylsilyl acetal in the presence of a Lewis base catalyst such as acetate salts was established. This procedure gives the corresponding esters in high yields with excellent E stereoselectivity under mild conditions.
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