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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 930021Generated: October 30, 2026

5-(3-Chloro-5-fluorophenyl)-1-(pyridin-2-yl)-1H-pyrazole-3-carboxylic acid → HCID 89609968, compound

https://huagongshe.com/reaction/930021

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-(3-Chloro-5-fluorophenyl)-1-(pyridin-2-yl)-1H-pyrazole-3-carboxylic acidHCID 89602575—
ReactantHCID 118006595HCID 118006595—
ReactantLithium 1-(3-bromo-5-trifluoromethoxy phenyl)-4-ethoxy-3,4-dioxobut-1-en-1-olateHCID 131734661—
ProductHCID 89609968HCID 89609968—

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 265 mg (1.62 mmol) of 5-fluoropyridin-3-yl-hydrazine hydrochloride. After hydrolysis, 340 mg (66% 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-9ef8da34231145f08bac6e783ca8453e
Source noteuspto-grants-2016_03