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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2424344Generated: October 30, 2026

3,5-Dichloro-2-pyridinecarboxylic acid → N-[3-[(4S)-2-amino-4-methyl-5,6-dihydro-1,3-oxazin-4-yl]-4-fluorophenyl]-3,5-dichloropyridine-2-carboxamide

https://huagongshe.com/reaction/2424344

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,5-Dichloro-2-pyridinecarboxylic acidHCID 219989—
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—
ProductN-[3-[(4S)-2-amino-4-methyl-5,6-dihydro-1,3-oxazin-4-yl]-4-fluorophenyl]-3,5-dichloropyridine-2-carboxamideHCID 53241150—

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 3,5-dichloro-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-d9916881749b4cf184a7360800236e68
Source noteuspto-grants-2011_06