124009-63-8

2,4-Dihydro-4,4-bis(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)-5-methyl-2-phenyl-3H-pyrazol-3-one can be studied from reactions of 6-?amino-?5-?cyano-?3-?methyl-?1,?4-?diphenyl-?1H,?4H-?pyrano[2,?3-?c]?pyrazole; a novel synthesis of 4-?arylidene-?3-?methyl-?1-?phenyl-?2-?pyrazolin-?5-?one derivatives.