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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1593679Generated: October 31, 2026

Hydrazinium chloride → HCID 178468624, compound

https://huagongshe.com/reaction/1593679

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazinium chlorideHCID 115031—
ReactantDiethyl 2-[2-(2,3-difluorophenyl)-2-oxoethyl]-2-hydroxymalonateHCID 21948264—
SolventEthanolHCID 702—
ProductHCID 178468624HCID 178468624—

Reaction Steps

Diethyl 2-[2-(2,3-difluorophenyl)-2-oxoethyl]-2-hydroxymalonate (18.50 g, 56.1 mmol) and hydrazine monohydrochloride (4.03 g, 58.8 mmol) were stirred at reflux in ethanol (300 mL) for 96 h, and then evaporated to dryness to afford the title compound as a solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07297792B2
Source datasetuspto-grants-2007_11
ORD IDord-31c496e3f457487ba0bc418613b8e1c0
Source noteuspto-grants-2007_11