摘要
Abstract: In the presence of potassium t-butoxide, N, N-dimethylamino thiocarbonyl thiomethyl triphenylphosphonium bromide formed the corresponding ylide in situ, which can undergo Wittig reac tion with aldehydes to give vinyl dithiocarbamates in high yields. If the esters were hydrolyzed with ethanol aqueous sodium hydroxide, a new method to lengthen aldehydes by one carbon atom was a complished.
Abstract: In the presence of potassium t-butoxide, N, N-dimethylamino thiocarbonyl thiomethyl triphenylphosphonium bromide formed the corresponding ylide in situ, which can undergo Wittig reac tion with aldehydes to give vinyl dithiocarbamates in high yields. If the esters were hydrolyzed with ethanol aqueous sodium hydroxide, a new method to lengthen aldehydes by one carbon atom was a complished.
