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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 930026Generated: November 1, 2026

5-(3-Chloro-5-fluorophenyl)-1-(pyridin-2-yl)-1H-pyrazole-3-carboxylic acid → HCID 89610051, compound

https://huagongshe.com/reaction/930026

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-(3-Chloro-5-fluorophenyl)-1-(pyridin-2-yl)-1H-pyrazole-3-carboxylic acidHCID 89602575—
ReactantHCID 118006398HCID 118006398—
ReactantLithium 1-(3-bromo-5-trifluoromethoxy phenyl)-4-ethoxy-3,4-dioxobut-1-en-1-olateHCID 131734661—
ProductHCID 89610051HCID 89610051—

Reaction Steps

500 mg (1.16 mmol) of the compound of Example 5A is reacted analogously to the synthesis of the compound of Example 20A with 305 mg (1.74 mmol) of 2-methoxypyridin-4-yl-hydrazine hydrochloride. After hydrolysis, 18 mg (3% 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-2448bb92e20a431e86032c88335f691b
Source noteuspto-grants-2016_03