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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 221683Generated: October 30, 2026

HCID 66665408, compound → 5-Bromo-pyridine-2-carboxylic acid [3-((R)-5-amino-3-fluoromethyl-3,6-dihydro-2H-[1,4]oxazin-3-yl)-phenyl]-amide

https://huagongshe.com/reaction/221683

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHCID 66665408HCID 66665408—
SolventHydrochloric AcidHCID 313—
Solvent1,4-DioxaneHCID 31275—
Product5-Bromo-pyridine-2-carboxylic acid [3-((R)-5-amino-3-fluoromethyl-3,6-dihydro-2H-[1,4]oxazin-3-yl)-phenyl]-amideHCID 50914255—

Reaction Steps

A solution of 117 mg (0.231 mmol) ((R)-5-{3-[(5-bromo-pyridine-2-carbonyl)-amino]-phenyl}-5-fluoromethyl-5,6-dihydro-2H-[1,4]oxazin-3-yl)-carbamic acid tert-butyl ester in 2 ml 4N HCl in dioxane was stirred at 45° C. overnight. The mixture was concentrated and crystallized from EtOAc/hexane to yield the title compound as colorless crystals.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08207164B2
Source datasetuspto-grants-2012_06
ORD IDord-92feade31a8a420083dcd34029cad6c6
Source noteuspto-grants-2012_06