Synthesis of heterocycles from products of the anion arylation of unsaturated compounds. 3. 2-arylimino-5-arylmethyl-4-thiazolidones

The reaction of esters of 3-aryl-2-bromopropionic acids with N-arylthioureas gives 2-arylimino-5-arylmethyl-4-thiazolidones, which exist in solution as (E) and (Z) isomers of the imino form.For Communication 2, see [1].I. Franko Lvov State University, Lvov 290602, Ukraine. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 4, pp. 555–559, April, 1998.