Supported by the National Natural Science Foundation of China(No. 29862004) ;Scientific and Technological DevelopmentProgram Foundation of Jilin Province(No. 20040565).
α-Oxoketene dithioacetals( compound 1 ) are versatile synthons for organic synthesis due to their specially structural characteristic, that is, the masked ketene is conjugated with the convertible carbonyl in their...
Bromo ketene dithioacetals (5) were prepared in high yields by reaction of α,α-diacetyl ketene dithioacetals (4) with bromine catalyzed by FeBr 3 at room temperature. This new reaction is proposed involving an ipso ...