A Convenient Preparation of α-Oxo Ketene Dithioacetals
作者:Juzo Nakayama、Yasuko Sugie、Masamatsu Hoshino
DOI:10.1246/cl.1987.939
日期:1987.5.5
The reaction of a series of ketones with 2 equiv. of 1,3-benzodithiolylium tetraf luoroborate affords α- (1, 3-benzodithiol-2-ylidene)ketones and 1,3-benzodithiole in good yields.