Hydrogen Peroxide → 6-(1-Methylisoquinolin-4-yloxy)nicotinamide

Participants

Reaction Steps

To a solution of 6-(1-methylisoquinolin-4-yloxy)nicotinonitrile (Preparation 18) (200 mg, 0.77 mmol) in DMSO (5 mL) was added K2CO3 (53 mg, 0.38 mmol) and H2O2 (30% w/v, 120 μL, 1.1 mmol). After 1 h water (20 mL) was added and the mixture extracted with EtOAc (3×50 mL). The organic phase was washed with water (2×30 mL), NaHCO3 (30 mL), brine (30 mL) and dried (MgSO4). Solvent was removed in vacuo and the residue purified by column chromatography (0.5 NH3: 5 MeOH: 95 DCM) to give the title compound: RT=2.11 min; m/z (ES+)=280.1 [M+H]+.

Provenance & Evidence