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Synthesis, characterization and antimicrobial activities of 5-(substituted phenyl)-{3-[4-(2-phenyl-4-benzylidene-5-oxoimidazol- 1-yl)]phenyl}-4,5-dihydropyrazol

R.A.Shah, P.S.Patel, D.K.Trivedi, P.J.Vyas

5-(substituted phenyl)-{3-[4-(2-phenyl-4-benzylidene-5-oxo-imidazol-1-yl)] phenyl}-4,5-dihydropyrazol have been prepared by the refluxation for three hours of 4-benzylidene-1-{4-[3-(substitutedphenyl)prop-2-enoyl] phenyl}- 2-phenyl-imidazol-5-one with hydrazine hydrate in presence of ethanol the intermidiate 4-benzylidene-1-{4-[3-(substitutedphenyl)prop-2-enoyl] phenyl}- 2-phenyl-imidazol-5-one synthesized by the condensation of 1-(4- acetylphenyl)-4-benzylidene-2-phenyl-imidazol-5-one with various aldehydes.