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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1749203Generated: November 1, 2026

3-chloro-1-(pyridin-3-yl)-1H-pyrazole-4-carboxylic acid → 3-(3-chloro-1H-pyrazol-1-yl)pyridine

https://huagongshe.com/reaction/1749203

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-chloro-1-(pyridin-3-yl)-1H-pyrazole-4-carboxylic acidHCID 86705825—
CatalystCopper oxideHCID 14829—
Product3-(3-chloro-1H-pyrazol-1-yl)pyridineHCID 67499540—

Reaction Steps

decarboxylating 3-chloro-1-(pyridin-3-yl)-1H-pyrazole-4-carboxylic acid (4) with copper oxide in a polar aprotic solvent at a temperature of about 80° C. to about 180° C. to provide 3-(3-chloro-1H-pyrazol-1-yl)pyridine (5b).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09156813B1
Source datasetuspto-grants-2015_10
ORD IDord-1a2883beb01d4292a2362586d81e7386
Source noteuspto-grants-2015_10