An Unprecedented Chemospecific and Stereoselective Tandem Nucleophilic Addition/Cycloaddition Reaction of Nucleophilic Carbenes with Ketenimines
作者:Ying Cheng、Yang-Guang Ma、Xiao-Rong Wang、Jun-Ming Mo
DOI:10.1021/jo802289s
日期:2009.1.16
study of the reaction between nucleophilic carbenes and ketenimines is reported. The interaction of thiazole and benzothiazole carbenes with ketenimines proceeded in a chemospecific and stereoselective manner to produce thiazole- and benzothiazole-spiro-pyrrole derivatives generally in good yields. The reaction was proposed to proceed via a tandem nucleophilicaddition of carbene to the C═N bond of