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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2105370Generated: October 31, 2026

Sodium hydride → (S)-8-(1-Isopropyl-piperidin-4-yloxy)-2-(2-methoxy-ethyl)-3-methyl-3,4-dihydro-2H-pyrazino[1,2-a]indol-1-one

https://huagongshe.com/reaction/2105370

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium hydrideHCID 24758—
Reactant2-Bromoethyl methyl etherHCID 80972—
ReactantHCID 16679616HCID 16679616—
Product(S)-8-(1-Isopropyl-piperidin-4-yloxy)-2-(2-methoxy-ethyl)-3-methyl-3,4-dihydro-2H-pyrazino[1,2-a]indol-1-oneHCID 1667831730%

Reaction Steps

The title compound was synthesized in analogy to example 17, from (S)-8-(1-isopropyl-piperidin-4-yloxy)-3-methyl-3,4-dihydro-2H-pyrazino[1,2-a]indol-1-one (example 13), 2-bromoethyl methyl ether and sodium hydride, to give the desired product as a colorless oil (30%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07579351B2
Source datasetuspto-grants-2009_08
ORD IDord-775990b654de4fbb9191880fa5f2ae86
Source noteuspto-grants-2009_08