Investigations on acyl isocyanates and their derivatives

The reaction of thiourea with -halogenoacyl carbamates has given the corresponding isothiouronium salts (stable in the case of the -propionyl compound), which readily form 2-iminothiazolidin-4-one derivatives in the presence of moisture or alkalis.For Communication VI, see [1].Translated from Khimiya Geterotsiklicheskikh Soedinenii, Vol. 6, No. 7, pp. 908–912, July, 1970.