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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2169502Generated: October 29, 2026

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

https://huagongshe.com/reaction/2169502

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)-2-isopropyl-6-((1-(3-(trifluoromethyl)phenyl)cyclopentyl)methyl)-3,4-dihydro-1H-pyrazino[1,2-c]pyrimidine-1,8(2H)-dioneHCID 86726124—
Product9-Hydroxy-2-isopropyl-6-((1-(3-(trifluoromethyl)phenyl)cyclopentyl)methyl)-3,4-dihydro-1H-pyrazino[1,2-c]pyrimidine-1,8(2H)-dioneHCID 86726125—

Reaction Steps

9-Hydroxy-2-isopropyl-6-((1-(3-(trifluoromethyl)phenyl)cyclopentyl)methyl)-3,4-dihydro-1H-pyrazino[1,2-c]pyrimidine-1,8(2H)-dione (479) was synthesized as a white solid from 9-(benzyloxy)-2-isopropyl-6-((1-(3-(trifluoromethyl)phenyl)cyclopentyl)methyl)-3,4-dihydro-1H-pyrazino[1,2-c]pyrimidine-1,8(2H)-dione (478) 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-4200ab02ad1143c183cda53d087f36a9
Source noteuspto-grants-2015_06