Sodium Monobromoisocyanurate: A New Catalyst for Direct Synthesis of Aryl Thiocyanates

An efficient and highly selective methods for the preparation of arylthiocyanates by thiocyanation with ammonium Thiocyanates in the presence of sodium mono bromoisocyanurate as a catalyst in methanol under mild conditions to afford the corresponding aryl and para substituted thiocyanates. The use of sodium mono bromoisocyanurate is simple and more convenient.