Reactions of thiocarbamoylaminophosphonium salts obtained from amines and the combined reagent, triphenylphosphine-thiocyanogen (TPPT): Preparation of thioureas, acylthioureas and amides.
作者:YASUMITSU TAMURA、TOMOMI KAWASAKI、MASAHIRO ADACHI、YASUYUKI KITA
DOI:10.1248/cpb.27.1636
日期:——
The thiocarbamoylaminophosphonium salt (3) obtained from an amine (1) and TPPT (2) has been shown to be a useful synthetic intermediate for the preparation of thioureas (4), amides (10) and acylthioureas (11) by treatment with water and a carboxylic acid (9). The reaction mechanism is discussed.