Thiazole Derivatives with Heterocyclic Substituents. Part-IV Merocyanines Derived from 2-methyl-4-(2'-Thienyl) and 2-Methyl-4-(2'-furyl) Thiazoles

Department of Chemistry, Utkal University, Vani Vihar, Bhubaneswar-4, Orissa Manuscript received 13 March 1972; accepted 1974 A number of dimethin and tetramethin merocyanines derived from 2-methyl-4-(2'-thienyl and furyl) thiazoles have been prepared with a view to study the effect of these new heterocyclic substituents on absorption of the dyes