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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1930326Generated: October 25, 2026

Phenylhydrazine → 1-phenyl-3-(thiophen-2-yl)-1H-pyrazol-5-amine

https://huagongshe.com/reaction/1930326

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhenylhydrazineHCID 7516—
Reactant2-ThenoylacetonitrileHCID 141853—
Product1-phenyl-3-(thiophen-2-yl)-1H-pyrazol-5-amineHCID 16228641—

Reaction Steps

Phenyl hydrazine and 3-oxo-3-(thiophen-2-yl)propanenitrile were combined according to literature procedures to yield 1-phenyl-3-(thiophen-2-yl)-1H-pyrazol-5-amine. See WO 2006/071940.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08188113B2
Source datasetuspto-grants-2012_05
ORD IDord-ea8e0b1d458a4c42839bd0ebbf0d0bfe
Source noteuspto-grants-2012_05