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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2178151Generated: October 28, 2026

5-(Difluoromethoxy)picolinic acid → N-(3-((4S,6S)-2-Amino-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-4-yl)-4-fluorophenyl)-5-(difluoromethoxy)picolinamide

https://huagongshe.com/reaction/2178151

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-(Difluoromethoxy)picolinic acidHCID 57475871—
Reactant(4S,6S)-4-(5-amino-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amineHCID 71663148—
ProductN-(3-((4S,6S)-2-Amino-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-4-yl)-4-fluorophenyl)-5-(difluoromethoxy)picolinamideHCID 71667734—

Reaction Steps

The coupling of (4S,6S)-4-(5-amino-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amine (XI-1) and 5-(difluoromethoxy)picolinic acid [J. D. Scott et al. WO2011044181 (2011)] following General Procedure G yielded the title compound as a colorless amorphous solid. MS: m/z=463.4 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09067926B2
Source datasetuspto-grants-2015_06
ORD IDord-b83fa7d614af4a0ebf581ab25deacec8
Source noteuspto-grants-2015_06