Stereoselective Synthesis of 4,5-Dihydro-1,3-thiazole and 4<i>H</i>-5,6-Dihydro-1,3-thiazine Derivatives
作者:Nobuyuki Yasuda、Michinori Karikomi、Takashi Toda
DOI:10.1246/cl.1995.1141
日期:1995.12
4-Bromomethyl-4,5-dihydro-1,3-thiazoles and 5-bromo-4H-5,6-dithydro-1,3-thiazines were synthesized by intramolecular cyclization of allylthioimidates by the reaction with N-bromosuccinimide (NBS) or bromine in dichloromethane at room temperature.