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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 506691Generated: October 26, 2026

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

https://huagongshe.com/reaction/506691

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium hydrideHCID 24758—
ReactantMorpholine, 4-(chloroacetyl)-HCID 74040—
Reactant8-(1-isopropylpiperidin-4-yloxy)-3,4-dihydropyrazino[1,2-a]indol-1(2H)-oneHCID 16679518—
Product8-(1-Isopropyl-piperidin-4-yloxy)-2-(2-morpholin-4-yl-2-oxo-ethyl)-3,4-dihydro-2H-pyrazino[1,2-a]indol-1-oneHCID 1667841510%

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 4-(2-chloroacetyl)morpholine, to give the desired product as a white foam (10%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07786109B2
Source datasetuspto-grants-2010_08
ORD IDord-29fa392a545d4cdf950e27f1f301e97e
Source noteuspto-grants-2010_08