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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2169323Generated: November 3, 2026

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

https://huagongshe.com/reaction/2169323

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 178519964HCID 178519964—
Product9-Benzyloxy-2-cyclopentyl-6-(1-phenyl-cyclopentylmethyl)-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dioneHCID 8672596247.31%

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 cyclopentyl-(2-hydroxyethyl)-amide (289) (175 mg, 0.34 mmol). The product was obtained as an off-white sticky solid (80 mg, 47.31%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09045486B2
Source datasetuspto-grants-2015_06
ORD IDord-e63b462fb4b34d4db01d93393e677e2c
Source noteuspto-grants-2015_06