Chemistry of Heterocyclic Compounds p. 836 (1989)
Update date:2022-08-17
Topics:
Gaponov, A. A.
Solomko, Z. F.
Bozhanova, N. Ya.
Pantyukh, E. I.
Depending on the reaction conditions, the hydrazinolysis of 4-(acetyl-methylene)-1,2,3,5-tetrahydro-1,5-benzodiazepin-2-one affords N-(2-aminophenyl)-5-methyl-3-pyrazolylacetamide or 2-benzimidazo-5-methyl-3-pyrazolylmethane.In the presence of phenylhydrazine, 3,4,5-trimethyl-1,5-benzodiazepine is recyclized to 3,4,5-trimethyl-1-phenyl-2-pyrazole.
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