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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2169353Generated: November 4, 2026

9-benzyloxy-2-cyclopropyl-6-(1-phenyl-cyclopentylmethyl)-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione → 9-Benzyloxy-2-(4-fluoro-benzyl)-6-(1-phenyl-cyclopentylmethyl)-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione

https://huagongshe.com/reaction/2169353

Reaction equation

Participants

RoleNameHCIDCharge
Reactant9-benzyloxy-2-cyclopropyl-6-(1-phenyl-cyclopentylmethyl)-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dioneHCID 86725957—
ReactantHCID 178519968HCID 178519968—
Product9-Benzyloxy-2-(4-fluoro-benzyl)-6-(1-phenyl-cyclopentylmethyl)-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dioneHCID 8672599152.2%

Reaction Steps

This compound was prepared following the same method as described for 9-benzyloxy-2-cyclopropyl-6-(1-phenyl-cyclopentylmethyl)-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione (286) from 5-benzyloxy-6-hydroxy-2-(1-phenyl-cyclopentylmethyl)-pyrimidine-4-carboxylic acid (4-fluoro-benzyl)-(2-hydroxyethyl)-amide (313) (91 mg, 0.16 mmol). The product was obtained as a colorless sticky solid (46 mg, 52.2%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09045486B2
Source datasetuspto-grants-2015_06
ORD IDord-e5e41dd58dd148ada2ec19e746e2996d
Source noteuspto-grants-2015_06