ChemInform Abstract: One Pot Synthesis of 4‐(Arylidene)‐2‐ [5‐(4‐hydroxy‐6‐methyl‐2‐oxo‐2H‐pyran‐3‐yl)‐thiazol‐2‐yl] ‐5‐methyl‐2,4‐dihydro‐pyrazol‐3‐ones via Multi‐Component Approach.

Abstract

AbstractThe efficient one‐pot, four‐component method for the synthesis of the title compounds (V) involves the simultaneous formation of the thiazole and the pyrazole ring system followed by condensation of various aromatic aldehydes on the active methylene group of pyrazolone under Knoevenagel reaction conditions.