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ChemicalBook CAS DataBase List Benzoyl hydrazine
613-94-5

Benzoyl hydrazine synthesis

13synthesis methods
-

Yield:613-94-5 82 g (77.5%)

Reaction Conditions:

with phenylhydrazine in pyridine

Steps:

1.1 Step 1
Step 1 To a stirred solution of 50.0 g of phenylhydrazine in 280 ml of dry pyridine, cooled to about 5° was added, dropwise, 80.0 g of o-fluorobenzoyl chloride. After coming to ambient temperature, the reaction mixture was stirred for about 2 hours, and then poured into water. The resultant precipitate was recrystallized from toluene to yield 82 g (77.5%) of 2-fluorobenzoic acid, 2-phenylhydrazide.

References:

Hoechst-Roussel Pharmaceuticals, Inc. US4999356, 1991, A

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