The synthesis of some novel thiazolocoumarins is described. These polyheterocyclic compounds have been synthesized under microwave irradiation via the corresponding imino-1,2,3-dithiazoles besides cyanoimidoyl chloride derivatives.
Keywords: Coumarin, imino-1,2,3-dithiazoles, thiazole, cyanoimidoyl chloride, isothiocyanate