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One Step Synthesis and Some Reactions of 7-Hydrazino-3,4-Diphenyl- 2H-Pyrazolo [3,4-d] Pyridazine
7-Hydrazino-3 4-Diphenyl- 2H-Pyrazolo [3,4-d]
2010/4/21
The 7-hydrazino-3,4-diphenyl-2H-pyrazolo-[3,4-d]-pyridazine 3, obtained in 2 different ways consisting of the reactions of anhydrous hydrazine with 4-benzoyl-5-phenyl-2,3-dihydro-2,3-furandione 1 or 3...