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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 555604Generated: October 29, 2026

Benzoic acid, 2,4-dihydroxy-, hydrazide → HCID 178433873, compound

https://huagongshe.com/reaction/555604

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzoic acid, 2,4-dihydroxy-, hydrazideHCID 166785—
ReactantHCID 178426271HCID 178426271—
SolventEthanolHCID 702—
ProductHCID 178433873HCID 17843387370%

Reaction Steps

46 mg (0.2 mmol) of the 1-(3,4-dimethylphenyl)-5-hydroxy-3-methyl-1H-pyrazol-4-carbaldehyde synthesized in 1) and 34 mg (0.20 mmol) of 2,4-dihydroxybenzoic hydrazide were stirred in 1 ml of ethanol at room temperature for 96 hours. The precipitated solid was collected by filtration and washed with 1 ml of ethanol, 1 ml of ether and 1 ml of methanol successively to obtain 53 mg of the desired product (yield 70%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08053453B2
Source datasetuspto-grants-2011_11
ORD IDord-3e6f618ca4cc4856b56bebbb28f2df91
Source noteuspto-grants-2011_11