Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2169526Generated: October 30, 2026

9-hydroxy-2-isopropyl-6-[1-(4-trifluoromethyl-phenyl)-cyclopentylmethyl]-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione → 6-((1-(3-Chlorophenyl)cyclopentyl)methyl)-9-hydroxy-2-isopropyl-3,4-dihydro-1H-pyrazino[1,2-c]pyrimidine-1,8(2H)-dione

https://huagongshe.com/reaction/2169526

Reaction equation

Participants

RoleNameHCIDCharge
Reactant9-hydroxy-2-isopropyl-6-[1-(4-trifluoromethyl-phenyl)-cyclopentylmethyl]-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dioneHCID 86725888—
Reactant9-(Benzyloxy)-6-((1-(3-chlorophenyl)cyclopentyl)methyl)-2-isopropyl-3,4-dihydro-1H-pyrazino[1,2-c]pyrimidine-1,8(2H)-dioneHCID 86726147—
Product6-((1-(3-Chlorophenyl)cyclopentyl)methyl)-9-hydroxy-2-isopropyl-3,4-dihydro-1H-pyrazino[1,2-c]pyrimidine-1,8(2H)-dioneHCID 86726148—

Reaction Steps

6-((1-(3-Chlorophenyl)cyclopentyl)methyl)-9-hydroxy-2-isopropyl-3,4-dihydro-1H-pyrazino[1,2-c]pyrimidine-1,8(2H)-dione (505) was synthesized as a white solid from 9-(benzyloxy)-6-((1-(3-chlorophenyl)cyclopentyl)methyl)-2-isopropyl-3,4-dihydro-1H-pyrazino[1,2-c]pyrimidine-1,8(2H)-dione (504) following the procedure described for 6-[1-(4-trifluoromethyl-phenyl)-cyclopentylmethyl]-9-hydroxy-2-isopropyl-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione (248).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09045486B2
Source datasetuspto-grants-2015_06
ORD IDord-89957bd5191647cab15a0e62d41d7d2b
Source noteuspto-grants-2015_06