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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 517039Generated: October 29, 2026

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

https://huagongshe.com/reaction/517039

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Fluoro-5-(trifluoromethyl)pyridine-2-carboxylic acidHCID 13001835—
Reactant(4R,5R)-4-(5-amino-2-fluoro-phenyl)-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamineHCID 86672004—
Product3-Fluoro-5-trifluoromethyl-pyridine-2-carboxylic acid [3-((4R,5R)-2-amino-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-4-yl)-4-fluoro-phenyl]-amideHCID 66558689—

Reaction Steps

The condensation of (4R,5R)-4-(5-amino-2-fluoro-phenyl)-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamine (intermediate A8.2) and 3-fluoro-5-trifluoromethyl-pyridine-2-carboxylic acid (CAS 89402-28-8) following procedure I yielded the title compound as a white foam. MS (ISP): m/z=433.3 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09115098B2
Source datasetuspto-grants-2015_08
ORD IDord-478a4dad2c4c45b2bbfc30bea26f3f11
Source noteuspto-grants-2015_08