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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 31110Generated: October 30, 2026

Hydrochloric Acid → 1,2-Dihydro-4-[4-(dimethylaminomethyl)phenyl]-5-hydroxy-1-oxoisoquinoline hydrochloride

https://huagongshe.com/reaction/31110

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant4-(4-((dimethylamino)methyl)phenyl)-5-hydroxyisoquinolin-1(2H)-oneHCID 9839073—
SolventMethanolHCID 887—
Product1,2-Dihydro-4-[4-(dimethylaminomethyl)phenyl]-5-hydroxy-1-oxoisoquinoline hydrochlorideHCID 23077383105.5%

Reaction Steps

To a suspension of the compound of Example 1 (200 mg, 679 μmol) in methanol (10 mL) was used 1 mol/L hydrochloric acid (679 μL,679 μmol), and, through the process similar to Example 121, 237 mg of the title compound were afforded as light brown powder. Yield quantitative.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07425563B2
Source datasetuspto-grants-2008_09
ORD IDord-201d55261bd34593ba264c4dd92d4cd7
Source noteuspto-grants-2008_09