Benzoyl hydrazine synthesis
- Product Name:Benzoyl hydrazine
- CAS Number:613-94-5
- Molecular formula:C7H8N2O
- Molecular Weight:136.15
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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