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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2105394Generated: November 2, 2026

(1-Bromoethyl)benzene → (RS)-8-(1-Isopropyl-piperidin-4-yloxy)-2-(1-phenyl-ethyl)-3,4-dihydro-2H-pyrazino[1,2-a]indol-1-one

https://huagongshe.com/reaction/2105394

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(1-Bromoethyl)benzeneHCID 11454—
ReactantSodium hydrideHCID 24758—
Reactant8-(1-isopropylpiperidin-4-yloxy)-3,4-dihydropyrazino[1,2-a]indol-1(2H)-oneHCID 16679518—
Product(RS)-8-(1-Isopropyl-piperidin-4-yloxy)-2-(1-phenyl-ethyl)-3,4-dihydro-2H-pyrazino[1,2-a]indol-1-oneHCID 1667862167%

Reaction Steps

The title compound was synthesized in analogy to example 17, from 8-(1-isopropyl-piperidin-4-yloxy)-3,4-dihydro-2H-pyrazino[1,2-a]indol-1-one (example 1), sodium hydride and (1-bromoethyl)benzene, to give the desired product as a white foam (67%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07579351B2
Source datasetuspto-grants-2009_08
ORD IDord-96ec4a38f8bc4b5b87121297a3c087c3
Source noteuspto-grants-2009_08