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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 517030Generated: October 26, 2026

3,5-Dichloro-2-pyridinecarboxylic acid → 3,5-Dichloro-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/517030

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,5-Dichloro-2-pyridinecarboxylic acidHCID 219989—
Reactant(4R,5R)-4-(5-amino-2-fluoro-phenyl)-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamineHCID 86672004—
Product3,5-Dichloro-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 66557905—

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 3,5-dichloro-pyridine-2-carboxylic acid (CAS 81719-53-1) following procedure I yielded the title compound as a crystalline white solid. MS (ISP): m/z=415.1 [M+H]+ and 417.1 [M+2+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09115098B2
Source datasetuspto-grants-2015_08
ORD IDord-d251f77fca984a4b8cb0e8519dd9eeec
Source noteuspto-grants-2015_08