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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 405751Generated: October 24, 2026

3-Chloro-5-cyanopyridine-2-carboxylic acid → 3-Chloro-5-cyano-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/en/reaction/405751

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Chloro-5-cyanopyridine-2-carboxylic acidHCID 50853176—
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-cyano-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 66558860—

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-cyano-pyridine-2-carboxylic acid following procedure I yielded the title compound as an off-white foam. MS (ISP): m/z=406.2 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08754075B2
Source datasetuspto-grants-2014_06
ORD IDord-542b8f3e6aa7448094ebfb73fbd5db93
Source noteuspto-grants-2014_06