The thiazole ring system is a useful structural motif found in numerous biologically active molecules. 1 This structure has found applications in drug development for the treatment of allergies, 2 hypertension, 3 schizophrenia, 4 inflammation, 5 bacterial 6 and HIV 7 infections. Aminothiazoles are known to be ligands of estrogen receptors 8 as well as a novel class of adenosine receptor antagonists 9 whereas other analogues are used as ...