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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2202624Generated: November 2, 2026

Hydrazine hydrate (1:1) → HCID 8812953, compound

https://huagongshe.com/reaction/2202624

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
ReactantHCID 13573165HCID 13573165—
SolventEthanolHCID 702—
ProductHCID 8812953HCID 8812953—

Reaction Steps

Dissolved 2-(((4-chlorophenyl)amino)(methylthio)methylene)malononitrile in EtOH (100 mL) and added hydrazine hydrate (1 eq), then heated to reflux until complete by TLC (absence of starting material, 18 hrs). Poured into ice water and filtered to obtain 5-amino-3-((4-chlorophenyl)amino)-1H-pyrazole-4-carbonitrile as a yellow powder.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09365556B2
Source datasetuspto-grants-2016_06
ORD IDord-c6b6c48c4738463fb2b9877436df2981
Source noteuspto-grants-2016_06