Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 517061Generated: October 25, 2026

1-Methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid → 2-Methyl-5-trifluoromethyl-2H-pyrazole-3-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/517061

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acidHCID 606540—
Reactant(4R,5R)-4-(5-amino-2-fluoro-phenyl)-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamineHCID 86672004—
Product2-Methyl-5-trifluoromethyl-2H-pyrazole-3-carboxylic acid [3-((4R,5R)-2-amino-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-4-yl)-4-fluoro-phenyl]-amideHCID 66558854—

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 2-methyl-5-trifluoromethyl-2H-pyrazole-3-carboxylic acid (CAS 128694-63-3) following procedure I yielded the title compound as a white solid. MS (ISP): m/z=418.3 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09115098B2
Source datasetuspto-grants-2015_08
ORD IDord-e9894cafe3f645dfa2e6ee506bec4a21
Source noteuspto-grants-2015_08