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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 506702Generated: October 26, 2026

Benzene, 1-(chloromethyl)-2-fluoro- → 2-(2-fluorobenzyl)-8-(1-isopropylpiperidin-4-yloxy)-3,4-dihydropyrazino[1,2-a]indol-1(2H)-one

https://huagongshe.com/reaction/506702

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzene, 1-(chloromethyl)-2-fluoro-HCID 9580—
ReactantSodium hydrideHCID 24758—
Reactant8-(1-isopropylpiperidin-4-yloxy)-3,4-dihydropyrazino[1,2-a]indol-1(2H)-oneHCID 16679518—
Product2-(2-fluorobenzyl)-8-(1-isopropylpiperidin-4-yloxy)-3,4-dihydropyrazino[1,2-a]indol-1(2H)-oneHCID 1667851477%

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 2-fluorobenzyl chloride, to give the desired product as a white solid (77%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07786109B2
Source datasetuspto-grants-2010_08
ORD IDord-ae47011e20754e9b88e4ddfb0abdfadf
Source noteuspto-grants-2010_08