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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 930019Generated: November 1, 2026

5-(3-Chloro-5-fluorophenyl)-1-(pyridin-2-yl)-1H-pyrazole-3-carboxylic acid → HCID 89609969, compound

https://huagongshe.com/reaction/930019

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-(3-Chloro-5-fluorophenyl)-1-(pyridin-2-yl)-1H-pyrazole-3-carboxylic acidHCID 89602575—
ReactantHCID 92135547HCID 92135547—
ReactantLithium 1-(3-bromo-5-trifluoromethoxy phenyl)-4-ethoxy-3,4-dioxobut-1-en-1-olateHCID 131734661—
ProductHCID 89609969HCID 89609969—

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 284 mg (1.74 mmol) of 6-fluoropyridin-3-yl-hydrazine hydrochloride. After hydrolysis, 256 mg (49% 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-d7f8a8777d254e60ad8b9e086a4ca9b6
Source noteuspto-grants-2016_03