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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1895869Generated: October 26, 2026

Ammonium Hydroxide → 6-Methoxy-3-methylisoquinolin-1(2H)-one

https://huagongshe.com/reaction/1895869

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmonium HydroxideHCID 14923—
Reactant4-Acetyl-6-methoxy-1H-2-benzopyran-1,3(4H)-dioneHCID 57893130—
Product6-Methoxy-3-methylisoquinolin-1(2H)-oneHCID 1232706074%

Reaction Steps

Cyclic anhydride 42 (405 mg; 1.73 mmol) was dissolved in aqueous NH4OH and heated at reflux for 1.5 h. The mixture was cooled to RT and the solid was filtered then dried overnight to give 270 mg (74%) of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08518874B2
Source datasetuspto-grants-2013_08
ORD IDord-346be20ffc7f4ac2a96728ff22d71394
Source noteuspto-grants-2013_08