Water → HCID 86723804, compound

Participants

Reaction Conditions

Reaction Steps

To a solution of methyl 6-methyl-5-oxo-2,3,4,5-tetrahydro-1,4-benzoxazepine-7-carboxylate (130e, 0.10 g, 0.45 mmol) in DMF (8 mL) was added NaH (54 mg, 1.36 mmol, 60% in oil) at 0° C. After stirring at 0° C. for 10 minutes, 2-(benzyloxy)-3-(chloromethyl)-4,6-dimethylpyridine (Cpd Z, 0.20 g, 0.77 mmol) was added. The mixture was stirred at room temperature overnight. To the reaction mixture was added H2O (30 mL). The mixture was extracted with EtOAc (2×20 mL). The aqueous layer was acidified with conc. HCl to pH 3 and extracted with EtOAc (2×20 mL). The combined organic layers were washed with brine (4×30 mL), dried over Na2SO4, and concentrated under vacuum to give 4-{[2-(benzyloxy)-4,6-dimethylpyridin-3-yl]methyl}-6-methyl-5-oxo-2,3,4,5-tetrahydro-1,4-benzoxazepine-7-carboxylic acid (130f, 0.17 g, 84.7%) as an off-white solid.

Provenance & Evidence