Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1639516Generated: October 26, 2026

Phenylacetonitrile → 2-Formyl-2-phenylacetonitrile

https://huagongshe.com/reaction/1639516

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhenylacetonitrileHCID 8794—
ReactantEthyl orthoformateHCID 31214—
Reactant4-Phenyl-1H-pyrazol-5-amineHCID 79703—
Product2-Formyl-2-phenylacetonitrileHCID 345880—

Reaction Steps

4-Aryl-3-aminopyrazoles such as 4-phenyl-2H-pyrazol-3-ylamine may be prepared according to the procedures described in patent EP269,859 and illustrated in scheme 8, by reacting benzeneacetonitrile with orthoformic acid triethyl ester to give 3-oxo-2-phenyl-propionitrile which is reacted with hydrazine.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08110568B2
Source datasetuspto-grants-2012_02
ORD IDord-89517c2aef894390b29f68af5590b7b2
Source noteuspto-grants-2012_02