In previous papers we described the synthesis and evaluation of antimicrobial potential of some hydrazinothiazoles, 1, 2 as well as the synthesis and characterization of some aroyl- hydrazinothiazoles which were used as intermediates in preparation of some thiazolo [2, 3- c][1, 2, 4] triazoles. 3, 4 BS Holla and coworkers reported the synthesis of some arylidenehydrazinothiazoles and of 2-furanylidenehydrazinothiazoles with antimicrobial ...