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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 405752Generated: October 25, 2026

3-Chloro-5-(trifluoromethyl)pyridine-2-carboxylic acid → 3-Chloro-5-trifluoromethyl-pyridine-2-carboxylic acid [3-((4R,5S)-2-amino-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-4-yl)-4-fluoro-phenyl]-amide

https://huagongshe.com/reaction/405752

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Chloro-5-(trifluoromethyl)pyridine-2-carboxylic acidHCID 2821908—
Reactant(4R,5S)-4-(5-amino-2-fluoro-phenyl)-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamineHCID 86672005—
Product3-Chloro-5-trifluoromethyl-pyridine-2-carboxylic acid [3-((4R,5S)-2-amino-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-4-yl)-4-fluoro-phenyl]-amideHCID 66558932—

Reaction Steps

The condensation of (4R,5S)-4-(5-amino-2-fluoro-phenyl)-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamine (intermediate A8.1) and 3-chloro-5-trifluoromethyl-pyridine-2-carboxylic acid following procedure I yielded the title compound as a white solid. MS (ISP): m/z=449.2 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08754075B2
Source datasetuspto-grants-2014_06
ORD IDord-38ce9badd3b54a8686a00a47baa8b559
Source noteuspto-grants-2014_06