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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1941831Generated: November 1, 2026

5-(2,2-Difluoro-ethoxy)-pyridine-2-carboxylic acid → HCID 53240910, compound

https://huagongshe.com/reaction/1941831

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-(2,2-Difluoro-ethoxy)-pyridine-2-carboxylic acidHCID 57475872—
Reactant(R)-4-(5-amino-2-fluoro-phenyl)-5,5-difluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamineHCID 58304207—
ProductHCID 53240910HCID 53240910—

Reaction Steps

The condensation of (R)-4-(5-amino-2-fluoro-phenyl)-5,5-difluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamine (intermediate XI-1) and 5-(2,2-difluoro-ethoxy)-pyridine-2-carboxylic acid (CAS1097730-45-4, WO2009091016) following procedure I yielded the title compound as a white solid. MS (ISP): m/z=445.2 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08389513B2
Source datasetuspto-grants-2013_03
ORD IDord-11a085eb17184ff2bdb9e31fc806db8e
Source noteuspto-grants-2013_03