Methyl iodide → HCID 21093753, compound

Participants

Reaction Steps

A solution of tert-butyl 4-(3-oxo-3,4-dihydro-2H-benzo[1,4]oxazin-8-ylmethyl)piperidine-1-carboxylate (0.6 g, 1.73 mmol) in anhydrous N,N-dimethylformamide (1 mL), was added dropwise to a stirred suspension of sodium hydride (60%) (0.08 g) in anhydrous N,N-dimethylformamide (12 mL) at 0° C. Stirring was continued for a further 20 mins. before iodomethane (0.5 g) in anhydrous N,N-dimethylformamide (1 mL) was added. The mixture was allowed to stir at room temperature for 4 hours. It was quenched with saturated ammonium chloride (20 mL) and extracted with diethyl ether (100 mL). The organic layer was dried (Na2SO4) and evaporated in vacuo to give a crude oil. Silica gel chromatography eluting with ethyl acetate in hexane (10–20%) gave the title compound as a solid (0.6 g, 97%).

Provenance & Evidence