ブチルリチウムおよび二硫化炭素または二酸化硫黄を用いるN-置換チオカルバミド酸およびカルバミド酸エステルの分解

抄録

Decomposition of O-ethyl N-lithio-N-substituted thiocarbamates was accelerated by the addition of excess carbon disulfide or sulfur dioxide, and isothiocyanates were obtained in moderate yields even at room temperature.
O-Ethyl N-lithio-N-phenyl carbamate reacted with carbon disulfide to give phenyl isothiocyanate, but it reacted with sulfur dioxide to afford phenyl isocyanate as the trimer.