Synthesis and Cyclization Reaction of 2-(Hydroxyimino)alkyl N,N-Dialkylthiocarbamates, S- O-Methyl Dithiocarbonate, and Alkyl 2-(Hydroxyimino)alkyl Trithiocarbonates
2-(Hydroxyimino)alkyl dialkyldithiocarbamates and alkyl 2-(hydroxyimino)alkyl trithiocarbonates react with tosyl isocyanate as dehydrating agent to give bis(4-isothiazolyl) disulfides in moderate yields.However, treatment of S-2-(hydroxyimino)phenylethyl