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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 903063Generated: October 27, 2026

Hydrochloric Acid → 5-Amino-1-(4-fluorophenyl)-pyrazole hydrochloride

https://huagongshe.com/reaction/903063

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant(4-Fluorophenyl)hydrazineHCID 69982—
Product5-Amino-1-(4-fluorophenyl)-pyrazole hydrochlorideHCID 23330505—

Reaction Steps

4-Fluorophenylhydrazine was converted to this product by the method described in Farmaco 22, 68, 1967. mp of HCl salt, 201°-210°

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04226773
Source datasetuspto-grants-1980_10
ORD IDord-c48c0671a84b4b73bbc70061631373df
Source noteuspto-grants-1980_10