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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1037781Generated: November 2, 2026

Methanol → 5-Amino-2-(pyridin-2-ylmethyl)isoquinolin-1(2H)-one

https://huagongshe.com/reaction/1037781

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
Reactant5-Nitro-2-(pyridin-2-ylmethyl)-1,2-dihydroisoquinolin-1-oneHCID 59579513—
CatalystPalladiumHCID 23938—
Product5-Amino-2-(pyridin-2-ylmethyl)isoquinolin-1(2H)-oneHCID 59579353—

Reaction Steps

Into a round bottom flask was combined 5-nitro-2-(pyridin-2-ylmethyl)isoquinolin-1(2H)-one (0.7 g, 0.002 mol), palladium/C (0.05 g, 0.0005 mol) and methanol (200 mL, 5 mol). The reaction mixture was stirred under hydrogen balloon at room temperature for 40 mins. The mixture was filtered over celite, MeOH was removed and the solid was yield (0.46 mg). MS m/z=252.4 (M+1). 1H NMR (DMSO) δ 8.49 (d, J=4.3 Hz, 1H), 7.74 (td, J=7.7, 1.6 Hz, 1H), 7.42 (t, J=7.3 Hz, 2H), 7.27 (dd, J=6.9, 5.0 Hz, 1H), 7.22-7.12 (m, 2H), 6.88 (d, J=7.2 Hz, 1H), 6.80 (d, J=7.6 Hz, 1H), 5.69 (s, 2H), 5.23 (s, 2H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08546579B2
Source datasetuspto-grants-2013_10
ORD IDord-5443ccd3db794be488bef2a79ed9e316
Source noteuspto-grants-2013_10