Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1593681Generated: November 1, 2026

Hydrazine hydrate (1:1) → HCID 73855606, compound

https://huagongshe.com/reaction/1593681

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
ReactantHCID 21948257HCID 21948257—
SolventEthanolHCID 702—
ProductHCID 73855606HCID 73855606—

Reaction Steps

3-Chloro-6-(2,3-difluorophenyl)pyridazine-4-carbonitrile (2.82 g, 11.2 mmol) and hydrazine hydrate (1.25 mL, 25.8 mmol) were stirred at reflux in ethanol (50 mL) for 1 hour. The mixture was cooled and evaporated to dryness. The residue was triturated with water, and the solid was filtered off and dried, giving the title compound as a solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07297792B2
Source datasetuspto-grants-2007_11
ORD IDord-fc4159ee8124452fab1875d5345fc9d5
Source noteuspto-grants-2007_11