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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 39828Generated: October 29, 2026

Methanol → 1-(2-(4-((2,3-dihydro-1,4-benzodioxin-6-ylmethyl)amino)piperidin-1-yl)ethyl)-5-methoxyquinolin-2(1H)-one hydrochloride

https://huagongshe.com/reaction/39828

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantHydrogen chloride-ethyl acetateHCID 21866389—
ReactantHCID 59398044HCID 59398044—
SolventEthyl AcetateHCID 8857—
Product1-(2-(4-((2,3-dihydro-1,4-benzodioxin-6-ylmethyl)amino)piperidin-1-yl)ethyl)-5-methoxyquinolin-2(1H)-one hydrochlorideHCID 67538468—

Reaction Steps

To 1.5 mL of methanol solution containing 0.182 g of tert-butyl (2,3-dihydro-1,4-benzodioxin-6-ylmethyl)(1-(2-(5-methoxy-2-oxoquinolin-1(2H)-yl)ethyl)piperidin-4-yl)carbamate, 1.5 mL of 4 mol/L hydrogen chloride/ethyl acetate solution was added, and stirred for 1.5 hours. Ethyl acetate was added, and the resulting solid was filtered to give 0.13 g of 1-(2-(4-((2,3-dihydro-1,4-benzodioxin-6-ylmethyl)amino)piperidin-1-yl)ethyl)-5-methoxyquinolin-2(1H)-one hydrochloride as a pale yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08524738B2
Source datasetuspto-grants-2013_09
ORD IDord-a827f290c68d49df8e6bc27f22cb81b2
Source noteuspto-grants-2013_09