Synthesis of 1,1-bis-[2-hydroxy-3-(1'-benzoyl/pyridoyl 5'-aryl-pyrazolin-3'-yl)-5-methyl phenyl] methane

New 1,1 bis-[2-hydroxy-3-(1 ' -benzoyl-5 ' -aryl-pyrazolin-3 ' -yl)-5-methyl phenyl] methane (6a-f) and 1,1 -bis-12-hydroxy-3-(1 ' -pyridoyl-5 ' -aryl-pyrazolin-3 ' -yl)-5 -methyl phenyl] methane (7a-f) have been synthesised by the action of 1,1-bis-12-hydroxy-3-(3-arylprop-2-en-1-one)-5-methyl phenyl] methane (4a-f) with benzoic acid hydrazide and isoniazid respectively in pyridine medium.