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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2100538Generated: October 30, 2026

2,6-Difluoropyridine-3-carboxylic acid → 2-[2-(2,5-Difluoro-phenyl)-ethoxymethyl]-7-fluoro-3H-pyrido[2,3-d]pyrimidin-4-one

https://huagongshe.com/reaction/2100538

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,6-Difluoropyridine-3-carboxylic acidHCID 10583070—
Reactant2-[2-(2,5-Difluoro-phenyl)-ethoxy]-acetamidine hydrochlorideHCID 67099036—
Product2-[2-(2,5-Difluoro-phenyl)-ethoxymethyl]-7-fluoro-3H-pyrido[2,3-d]pyrimidin-4-oneHCID 136368393—

Reaction Steps

The title compound was prepared in analogy to example 85 from 2,6-difluoropyridine-3-carboxylic acid and 2-[2-(2,5-difluoro-phenyl)-ethoxy]-acetamidine hydrochloride (example 78.2). Off-white solid. MS: m/e=336.3 [M+H+].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07572801B2
Source datasetuspto-grants-2009_08
ORD IDord-c08d0f96289e4ba79c53e4d15a81b114
Source noteuspto-grants-2009_08