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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1941850Generated: October 29, 2026

5-(Propan-2-yl)-1,3-oxazole-4-carboxylic acid → 5-Isopropyl-oxazole-4-carboxylic acid [3-((R)-2-amino-5,5-difluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-4-yl)-4-fluoro-phenyl]-amide

https://huagongshe.com/reaction/1941850

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-(Propan-2-yl)-1,3-oxazole-4-carboxylic acidHCID 13488799—
Reactant(R)-4-(5-amino-2-fluoro-phenyl)-5,5-difluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamineHCID 58304207—
Product5-Isopropyl-oxazole-4-carboxylic acid [3-((R)-2-amino-5,5-difluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-4-yl)-4-fluoro-phenyl]-amideHCID 53241204—

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-isopropyl-oxazole-4-carboxylic acid following procedure I yielded the title compound as a white solid. MS (ISP): m/z=397.2 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08389513B2
Source datasetuspto-grants-2013_03
ORD IDord-251421a0d8a94fe8ab18bfbb8be805d6
Source noteuspto-grants-2013_03