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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 930016Generated: November 1, 2026

3-Hydrazinylpyridine hydrochloride → HCID 89602527, compound

https://huagongshe.com/reaction/930016

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Hydrazinylpyridine hydrochlorideHCID 23143454—
Reactant5-(3-Chloro-5-fluorophenyl)-1-(pyridin-2-yl)-1H-pyrazole-3-carboxylic acidHCID 89602575—
ReactantLithium 1-(3-bromo-5-trifluoromethoxy phenyl)-4-ethoxy-3,4-dioxobut-1-en-1-olateHCID 131734661—
ProductHCID 89602527HCID 89602527—

Reaction Steps

600 mg (1.39 mmol) of the compound of Example 5A is reacted analogously to the synthesis of the compound of Example 20A with 303 mg (2.08 mmol) of 3-pyridylhydrazine hydrochloride. After hydrolysis, 355 mg (60% of theory) of the title compound is obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09296720B2
Source datasetuspto-grants-2016_03
ORD IDord-eea21ad718274ba3a2ec423950f517c6
Source noteuspto-grants-2016_03