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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2167810Generated: October 25, 2026

Ethyl 5-bromopyrazolo[1,5-a]pyridine-3-carboxylate → (R)-5-(2-(3,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyridine-3-carboxylic acid

https://huagongshe.com/reaction/2167810

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 5-bromopyrazolo[1,5-a]pyridine-3-carboxylateHCID 53249841—
Reactant(r)-2-(3,5-Difluorophenyl)pyrrolidine hydrochlorideHCID 89618463—
Product(R)-5-(2-(3,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyridine-3-carboxylic acidHCID 89618792—

Reaction Steps

The title compound was prepared by a method substantially similar to that mentioned in step-5 and step-6 of example-3 using (R)-2-(3,5-Difluorophenyl)pyrrolidine hydrochloride (step-1) and Ethyl 5-bromo-pyrazolo[1,5-a]pyridine-3-carboxylate to afford the product as white solid. MS (ESI): m/z 344.1 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09045479B2
Source datasetuspto-grants-2015_06
ORD IDord-4a066e0542bd4a43b259a669fb1a787f
Source noteuspto-grants-2015_06