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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 574249Generated: October 29, 2026

{(R)-2-[3-(2,6-difluoro-benzyl)-5-nitro-2,6-dioxo-3,6-dihydro-2H-pyrimidin-1-yl]-1-phenyl-ethyl}-carbamic acid tert-butyl ester → HCID 67143363, compound

https://huagongshe.com/reaction/574249

Reaction equation

Participants

RoleNameHCIDCharge
Reactant{(R)-2-[3-(2,6-difluoro-benzyl)-5-nitro-2,6-dioxo-3,6-dihydro-2H-pyrimidin-1-yl]-1-phenyl-ethyl}-carbamic acid tert-butyl esterHCID 87285738—
ReactantHCID 178418361HCID 178418361—
CatalystPalladiumHCID 23938—
SolventMethanolHCID 887—
ProductHCID 67143363HCID 6714336367.9%

Reaction Steps

To a solution of {(R)-2-[3-(2,6-difluoro-benzyl)-5-nitro-2,6-dioxo-3,6-dihydro-2H-pyrimidin-1-yl]-1-phenyl-ethyl}-carbamic acid tert-butyl ester (173 mg, 0.34 mmol) in methanol (5 mL) was added 10% palladium/carbon (36 mg) in a nitrogen atmosphere, followed by stirring at room temperature for 1 hr in a hydrogen atmosphere. After removal of the palladium/carbon by filtration through celite, the filtrate was concentrated. The residue was purified using silica gel chromatography (eluent: hexane/ethyl acetate/dichloromethane, 1/1/1) and dried in a vacuum to afford 109 mg of the compound as a colorless oil (yield 66%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09034850B2
Source datasetuspto-grants-2015_05
ORD IDord-0bdcbb98934343b9b94fb27fdd7d4a88
Source noteuspto-grants-2015_05