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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1251144Generated: November 3, 2026

Ethyl Acetate → 1(4-Ethylpiperazin-1-yl)-7-methoxy-3-phenylisoquinoline dihydrochloride

https://huagongshe.com/reaction/1251144

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetateHCID 8857—
ReactantPotassium CarbonateHCID 11430—
Reactant1-EthylpiperazineHCID 79196—
ReactantHCID 22503127HCID 22503127—
SolventWaterHCID 962—
Product1(4-Ethylpiperazin-1-yl)-7-methoxy-3-phenylisoquinoline dihydrochlorideHCID 22503110—

Reaction Steps

1-Chloro-7-methoxy-3-phenylisoquinoline (0.20 g) was reacted with N-ethylpiperazine (3 ml) and potassium carbonate (0.2 g) at 120° C. for 5 hr. To the reaction solution were added ethyl acetate and water, and it was extracted with ethyl acetate. The resulting organic layer was washed with water and brine, and dried over magnesium sulfate. The solvent was evaporated, and the resulting residue was purified by silica gel column chromatography (methylene chloride/methanol system), to give 0.18 g of the free compound of the title compound as a pale yellow oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06340759B1
Source datasetuspto-grants-2002_01
ORD IDord-a73cf3a837e140a6aaf4785587e5f13a
Source noteuspto-grants-2002_01