Chemistry of Heterocyclic Compounds, Vol. 34, No. 4, 1998 ... SYNTHESIS OF HETEROCYCLES FROM PRODUCTS OF THE ... ND Obushak, VS Matiichuk, NI Ganushchak, and Yu. E. Burlak ... The reaction of esters of 3-aryl-2-bromopropionic acids with N-ar3,1thioureas gives 2-arylimino-5- arylmethyl-4-thiazolidones, which exist in solution as (E) and (Z) isomers of the imino form. ... The methods for synthesis of 4-thiazolidones and their properties have ...