Reactions with 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
Ah. Atta et al., Reactions with 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, HETEROCYC C, 4(6), 1998, pp. 553-556
Treating of 6-amino-5-cyano-3-methyl-1,4-diphenyl-1H,4H-pyrano[2,3-c] pyraz
ole with aromatic aldehyde yielding the corresponding 4-arylidene-3-methyl-
1-phenyl-2-pyrazolin-5-ones, with formamide gives trispyrazolone derivative
. Other reactions were discussed.