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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1193128Generated: November 1, 2026

Hydrochloric Acid → 3-fluoro-2-(1H-pyrazol-5-yl)benzoic acid

https://huagongshe.com/reaction/1193128

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantMethanolHCID 887—
ReactantSodium HydroxideHCID 14798—
Reactant3-fluoro-2-(1H-pyrazol-5-yl)benzonitrileHCID 67116928—
Product3-fluoro-2-(1H-pyrazol-5-yl)benzoic acidHCID 6708660999%

Reaction Steps

To 3-fluoro-2-(1H-pyrazol-5-yl)benzonitrile in MeOH (3 mL) was added 2M aq. NaOH (1 mL). The reaction was heated at reflux for 15 h, then cooled to rt, acidified with 1N aq. HCl to pH=1 and extracted with EtOAc to give (210 mg, 99%) of 3-fluoro-2-(1H-pyrazol-5-yl)benzoic acid which was used crude.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08680275B2
Source datasetuspto-grants-2014_03
ORD IDord-63935acda7ef4ca8aa135112a105a637
Source noteuspto-grants-2014_03