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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 601162Generated: October 25, 2026

Benzaldehyde → (E)-2-(2-Benzylidenehydrazinyl)benzoic acid

https://huagongshe.com/reaction/601162

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzaldehydeHCID 240—
ReactantBenzoic acid, 2-hydrazinyl-, hydrochloride (1:1)HCID 104169—
Product(E)-2-(2-Benzylidenehydrazinyl)benzoic acidHCID 9561044—

Reaction Steps

The title compound was prepared from 2-hydrazinobenzoic acid hydrochloride (1.89 g, 10.0 mmol) and benzaldehyde (1.06 g, 10.0 mmol) according to the procedure of Fischer, E. and co-workers described in Chem. Ber., 35, 1902, 2318 (2.4 g, quantitative yield). MS (DCI) m/z 241 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07902203B2
Source datasetuspto-grants-2011_03
ORD IDord-6d1024f6a29240f0b05f02af51dcb53d
Source noteuspto-grants-2011_03