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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 710197Generated: October 26, 2026

5-(Fluoromethyl)pyrazine-2-carboxylic acid → 5-Fluoromethyl-pyrazine-2-carboxylic acid [3-((4S,4aR,7aR)-2-amino-5,5-difluoro-4-methyl-4,4a,5,6,7,7a-hexahydro-cyclopenta[e][1,3]oxazin-4-yl)-4-fluoro-phenyl]-amide

https://huagongshe.com/reaction/710197

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-(Fluoromethyl)pyrazine-2-carboxylic acidHCID 66869584—
Reactant(4S,4aR,7aR)-4-(5-amino-2-fluoro-phenyl)-5,5-difluoro-4-methyl-4,4a,5,6,7,7a-hexahydro-cyclopenta[e][1,3]oxazin-2-ylamineHCID 90021263—
Product5-Fluoromethyl-pyrazine-2-carboxylic acid [3-((4S,4aR,7aR)-2-amino-5,5-difluoro-4-methyl-4,4a,5,6,7,7a-hexahydro-cyclopenta[e][1,3]oxazin-4-yl)-4-fluoro-phenyl]-amideHCID 7294369975%

Reaction Steps

The coupling of (4S,4aR,7aR)-4-(5-amino-2-fluoro-phenyl)-5,5-difluoro-4-methyl-4,4a,5,6,7,7a-hexahydro-cyclopenta[e][1,3]oxazin-2-ylamine (intermediate XIIIa-1) and 5-fluoromethyl-pyrazine-2-carboxylic acid (CAS 1262803-66-6) following procedure Q yielded the title compound as a white solid (75% yield). MS: m/z=438.2 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09181232B2
Source datasetuspto-grants-2015_11
ORD IDord-53df7868b10d466ba2213af93ff418b0
Source noteuspto-grants-2015_11