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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 517037Generated: October 30, 2026

5-(Fluoromethoxy)pyrazine-2-carboxylic acid → 5-Fluoromethoxy-pyrazine-2-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/517037

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-(Fluoromethoxy)pyrazine-2-carboxylic acidHCID 57475676—
Reactant(4R,5R)-4-(5-amino-2-fluoro-phenyl)-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamineHCID 86672004—
Product5-Fluoromethoxy-pyrazine-2-carboxylic acid [3-((4R,5R)-2-amino-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-4-yl)-4-fluoro-phenyl]-amideHCID 66558687—

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 5-fluoromethoxy-pyrazine-2-carboxylic acid (CAS 1174321-00-6) following procedure I yielded the title compound as a white foam. MS (ISP): m/z=396.2 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09115098B2
Source datasetuspto-grants-2015_08
ORD IDord-47427affc8f44dd08389670dfae0f93e
Source noteuspto-grants-2015_08