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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 14654Generated: October 25, 2026

Hydrochloric Acid → (1-Aminomethyl-6,7-dimethoxy-isoquinolin-4-yl)-(3,4-dihydro-1H-isoquinolin-2-yl)-methanone

https://huagongshe.com/reaction/14654

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant[4-(3,4-Dihydro-1H-isoquinoline-2-carbonyl)-6,7-dimethoxy-isoquinolin-1-ylmethyl]-carbamic acid tert-butyl esterHCID 59341087—
SolventEthyl AcetateHCID 8857—
Product(1-Aminomethyl-6,7-dimethoxy-isoquinolin-4-yl)-(3,4-dihydro-1H-isoquinolin-2-yl)-methanoneHCID 46847057—

Reaction Steps

A solution of [4-(3,4-dihydro-1H-isoquinoline-2-carbonyl)-6,7-dimethoxy-isoquinolin-1-ylmethyl]-carbamic acid tert-butyl ester (81 mg, 0.17 mmol) in 2 mL EtOAc was treated with HCl (6N in dioxane) according to Example 1 to give (1-Aminomethyl-6,7-dimethoxy-isoquinolin-4-yl)-(3,4-dihydro-1H-isoquinolin-2-yl)-methanone as the hydrochloride salt (77 mg, 93%). MS: APCI (M+H) calc'd for C22H23N3O3+H 378.4; found 378.1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07732446B1
Source datasetuspto-grants-2010_06
ORD IDord-9d8bf6ead1224a43acb6e6f69687535e
Source noteuspto-grants-2010_06