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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 405713Generated: October 23, 2026

5-Chloro-2-picolinic acid → 5-Chloro-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/en/reaction/405713

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Chloro-2-picolinic acidHCID 2762872—
Reactant(4R,5R)-4-(5-amino-2-fluoro-phenyl)-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamineHCID 86672004—
Product5-Chloro-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 66558600—

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 5-chloro-pyridine-2-carboxylic acid following procedure I yielded the title compound as a crystalline white solid. MS (ISP): m/z=381.2 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08754075B2
Source datasetuspto-grants-2014_06
ORD IDord-bc73f5ceb06a4f0fb9a59328f354e8c0
Source noteuspto-grants-2014_06