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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2297611Generated: October 31, 2026

Methyl iodide → 7-Amino-2-methyl-3,4-dihydroisoquinolinium iodide

https://huagongshe.com/reaction/2297611

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl iodideHCID 6328—
Reactant3,4-Dihydroisoquinolin-7-amineHCID 11423667—
SolventAcetoneHCID 180—
Product7-Amino-2-methyl-3,4-dihydroisoquinolinium iodideHCID 11108962—

Reaction Steps

7-Amino-3,4-dihydroisoquinoline (0.40 g, 2.74 mmol) in acetone (125 ml) was treated with iodomethane (0.50 ml, 8.03 mmol) and left stirring at room temperature for 18 h. The resultant yellow precipitate was collected by filtration and dried in vacuo (0.73 g, 92%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06492378B1
Source datasetuspto-grants-2002_12
ORD IDord-6bdab40d9a84482eaeea4e2e2c29e22c
Source noteuspto-grants-2002_12