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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1844007Generated: October 30, 2026

7-Nitro-3,4-dihydroisoquinolin-1(2H)-one → 7-Amino-1,2,3,4-tetrahydroisoquinolin-1-one

https://huagongshe.com/reaction/1844007

Reaction equation

Participants

RoleNameHCIDCharge
Reactant7-Nitro-3,4-dihydroisoquinolin-1(2H)-oneHCID 13152842—
CatalystPalladiumHCID 23938—
SolventMethanolHCID 887—
Product7-Amino-1,2,3,4-tetrahydroisoquinolin-1-oneHCID 1315284485.71%

Reaction Steps

Using analogous reaction conditions, work up and purification as described for the preparation of intermediate I-24c above, 7-Nitro-3,4-dihydro-2H-isoquinolin-1-one (I-24a: 2.5 g, 0.013 mol) in methanol (50 mL) was reacted with 10% Pd—C (0.5 g) to afford the crude product, which was washed with n-hexane to afford 1.8 g of the product (85.71% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08946260B2
Source datasetuspto-grants-2015_02
ORD IDord-0702975ce5d046edbc423eebbc941aee
Source noteuspto-grants-2015_02