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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2178156Generated: October 29, 2026

5-Difluoromethympyrazine-2-carboxylic acid → HCID 71667888, compound

https://huagongshe.com/reaction/2178156

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Difluoromethympyrazine-2-carboxylic acidHCID 57468575—
Reactant(4S,6S)-4-(5-amino-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amineHCID 71663148—
ProductHCID 71667888HCID 71667888—

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-(difluoromethyl)pyrazine-2-carboxylic acid [J. M. Ellard et al. WO2011009898 (2011)] following General Procedure F yielded the title compound as a colorless solid. MS: m/z=448.5 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09067926B2
Source datasetuspto-grants-2015_06
ORD IDord-d1b2c2c603e8499d9c6aa51052641d42
Source noteuspto-grants-2015_06