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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2424348Generated: October 31, 2026

5-(trifluoromethyl)pyridine-2-carboxylic Acid → 5-Trifluoromethyl-pyridine-2-carboxylic acid [3-((S)-2-amino-4-methyl-5,6-dihydro-4H-[1,3]oxazin-4-yl)-4-fluoro-phenyl]-amide

https://huagongshe.com/reaction/2424348

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-(trifluoromethyl)pyridine-2-carboxylic AcidHCID 10910349—
Reactant[(S)-4-(5-amino-2-fluoro-phenyl)-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-yl]-carbamic acid tert-butyl esterHCID 67234727—
Product5-Trifluoromethyl-pyridine-2-carboxylic acid [3-((S)-2-amino-4-methyl-5,6-dihydro-4H-[1,3]oxazin-4-yl)-4-fluoro-phenyl]-amideHCID 53241245—

Reaction Steps

The coupling of [(S)-4-(5-amino-2-fluoro-phenyl)-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-yl]-carbamic acid tert-butyl ester from experiment F1 (R3=Me) and 5-trifluoromethyl-pyridine-2-carboxylic acid followed by deprotection using procedure H yielded the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07964594B1
Source datasetuspto-grants-2011_06
ORD IDord-c5ed1d70ebca4d27b8651f597179224e
Source noteuspto-grants-2011_06