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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2363739Generated: October 29, 2026

6-(6-{[(1,1-Dimethylethoxy)carbonyl]amino}pyridin-2-yl)imidazo[1,2-a]pyridine-2-carboxylic acid → 6-(1H-pyrazol-4-yl)imidazo[1,2-a]pyridine-2-carboxylic acid

https://huagongshe.com/reaction/2363739

Reaction equation

Participants

RoleNameHCIDCharge
Reactant6-(6-{[(1,1-Dimethylethoxy)carbonyl]amino}pyridin-2-yl)imidazo[1,2-a]pyridine-2-carboxylic acidHCID 44124940—
Reactantethyl 6-(1H-pyrazol-4-yl)imidazo[1,2-a]pyridine-2-carboxylateHCID 44136205—
Product6-(1H-pyrazol-4-yl)imidazo[1,2-a]pyridine-2-carboxylic acidHCID 4412494652.6%

Reaction Steps

128 mg of ethyl 6-(1H-pyrazol-4-yl)imidazo[1,2-a]pyridine-2-carboxylate are saponified under conditions similar to those described for the preparation of Intermediate 11 (step 11.3), to give 60 mg of 6-(1H-pyrazol-4-yl)imidazo[1,2-a]pyridine-2-carboxylic acid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08691990B2
Source datasetuspto-grants-2014_04
ORD IDord-49939fca0d6f4b1bb7c128edbca41200
Source noteuspto-grants-2014_04