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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1854525Generated: November 1, 2026

Sodium Hydroxide → 5-Amino-1-phenyl-1H-pyrazole-3-carboxylic acid

https://huagongshe.com/reaction/1854525

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium HydroxideHCID 14798—
ReactantEthyl 5-amino-1-phenyl-1H-pyrazole-3-carboxylateHCID 23630921—
SolventEthanolHCID 702—
Product5-Amino-1-phenyl-1H-pyrazole-3-carboxylic acidHCID 2333609865%

Reaction Steps

2 g (8.65 mmol) of ethyl 5-amino-1-phenyl-1H-pyrazole-3-carboxylate are dissolved in 20 ml EtOH and 20 ml of 1M NaOH solution are added. The mixture is stirred overnight, the solvent removed in vacuo and the crude product subject to HPLC chromatography: Yield: 65%

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08962671B2
Source datasetuspto-grants-2015_02
ORD IDord-b72cc373c3ff4338887adf24861b0448
Source noteuspto-grants-2015_02