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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 44850Generated: October 25, 2026

(R)-8-cyclopentyl-2-(2-(3,6-dihydro-2H-pyran-4-yl)-1H-imidazol-1-yl)-7-ethyl-5-methyl-7,8-dihydropteridin-6(5H)-one → HCID 58405709, compound

https://huagongshe.com/reaction/44850

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(R)-8-cyclopentyl-2-(2-(3,6-dihydro-2H-pyran-4-yl)-1H-imidazol-1-yl)-7-ethyl-5-methyl-7,8-dihydropteridin-6(5H)-oneHCID 58405609—
CatalystPalladiumHCID 23938—
SolventMethanolHCID 887—
ProductHCID 58405709HCID 58405709—

Reaction Steps

(R)-8-cyclopentyl-2-(2-(3,6-dihydro-2H-pyran-4-yl)-1H-imidazol-1-yl)-7-ethyl-5-methyl-7,8-dihydropteridin-6(5H)-one (Example 84, 34 mg) in 5 mL of MeOH, Pd/C (20 mg) was added. This reaction mixture was placed under a hydrogen balloon until all the starting material was consumed. The resulting mixture was filtered through a plug of Celite, and the plug was washed several times with EtOAc. The mixture was concentrated under reduced pressure and further purified by preparative HPLC. LCMS: 411.2 m/z (M+H)+; ret. Time: 6.45 min (Analytical Method C).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08541418B2
Source datasetuspto-grants-2013_09
ORD IDord-e364498091d940a7ba82f6947c5e6526
Source noteuspto-grants-2013_09