Palladium-catalyzed ring-opening reactions of 1-acetyl-4-vinyl-2-azetidinones and 1-sulfonyl-2-vinylazetidines. Role of intramolecular participation of amide anion
作者:Akiharu Satake、Hideo Ishii、Isao Shimizu、Yoichi Inoue、Hajime Hasegawa、Akio Yamamoto
DOI:10.1016/0040-4020(95)00217-v
日期:1995.5
Ring opening reactions of 1-acetyl-4-vinyl-2-azetidinones in the presence of palladium(0)-n-Bu(3)P catalyst gave 2,4-pentadienamides in good yields, whereas 2-substituted-1,3-dienes were produced by the reaction of 1-sulfonyl-2-vinyl-2-methylazetidines. Ring opening dimerization took place to give 1,7-ditrifluoromethanesulfonyl-1,7-diazacyclododecane in the reaction of 1-trifluoromethanesulfonyl-2-vinylazetidine.