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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 517064Generated: October 25, 2026

1,5-dimethyl-1H-pyrazole-3-carboxylic acid → 1,5-Dimethyl-1H-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/517064

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,5-dimethyl-1H-pyrazole-3-carboxylic acidHCID 587757—
Reactant(4R,5R)-4-(5-amino-2-fluoro-phenyl)-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamineHCID 86672004—
Product1,5-Dimethyl-1H-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 66559184—

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 1,5-dimethyl-1H-pyrazole-3-carboxylic acid (CAS 5744-59-2) following procedure I yielded the title compound as a white solid. MS (ISP): m/z=364.3 [M+H]+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09115098B2
Source datasetuspto-grants-2015_08
ORD IDord-c90338d6385f4681b94b7c3700ce8ddf
Source noteuspto-grants-2015_08