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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1493693Generated: October 27, 2026

Benzoylhydrazine → Benzoic acid [2-phenyl-1-(4-pyridinyl)ethylidene]hydrazide

https://huagongshe.com/reaction/1493693

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzoylhydrazineHCID 11955—
Reactant2-Phenyl-1-(pyridin-4-yl)ethan-1-oneHCID 11041704—
CatalystAcetic AcidHCID 176—
ProductBenzoic acid [2-phenyl-1-(4-pyridinyl)ethylidene]hydrazideHCID 54285785—

Reaction Steps

Following the general method of procedure 9 and making non-critical variations, except 12 drops of glacial acetic acid was used, 6.00 gm (0.0304 mole) of benzyl 4-pyridyl ketone and 4.14 gm (0.0304 mole) of benzhydrazide yield 8.90 gm (93%) of the title compound in two crops melting at 84.4° and 90.0°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05023334
Source datasetuspto-grants-1991_06
ORD IDord-3e2d5cfe8666499bb346c67582310f88
Source noteuspto-grants-1991_06