5-Chloro-3-fluoropyridine-2-carboxylic acid → 5-Chloro-3-fluoro-pyridine-2-carboxylic acid [3-((R)-2-amino-5,5-difluoro-4,6,6-trimethyl-5,6-dihydro-4H-[1,3]oxazin-4-yl)-4-fluoro-phenyl]-amide

Participants

Reaction Steps

The condensation of (R)-4-(5-amino-2-fluoro-phenyl)-5,5-difluoro-4,6,6-trimethyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamine (intermediate XI-2) and 5-chloro-3-fluoro-pyridine-2-carboxylic acid following procedure I yielded the title compound as a white foam. MS (ISP): m/z=445.2 [M+H]+, 447.2 [M+2+H]+.

Provenance & Evidence