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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 517067Generated: October 25, 2026

5-Cyanopyridine-2-carboxylic acid → N-{3-[(4r,5s)-2-Amino-5-Fluoro-4-Methyl-5,6-Dihydro-4h-1,3-Oxazin-4-Yl]-4-Fluorophenyl}-5-Cyanopyridine-2-Carboxamide

https://huagongshe.com/reaction/517067

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Cyanopyridine-2-carboxylic acidHCID 12400734—
Reactant(4R,5S)-4-(5-amino-2-fluoro-phenyl)-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamineHCID 86672005—
ProductN-{3-[(4r,5s)-2-Amino-5-Fluoro-4-Methyl-5,6-Dihydro-4h-1,3-Oxazin-4-Yl]-4-Fluorophenyl}-5-Cyanopyridine-2-CarboxamideHCID 66558858—

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 5-cyano-pyridine-2-carboxylic acid following procedure I yielded the title compound as a white solid. MS (ISP): m/z=372.2 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09115098B2
Source datasetuspto-grants-2015_08
ORD IDord-037606c5c33f422a94c60d939ff87bfb
Source noteuspto-grants-2015_08