反应详情

A solution of the product of Example 5B (0.788 g, 4.496 mmol) in methanol (30 mL) was saturated with ammonia gas and the reaction was stirred in a stoppered flask at room temperature for 17 hours. The solvent was concentrated under vacuum giving the title compound and the solid purified by silica gel flash chromatography with 10% methanol/methylene chloride to give the title compound as a white solid (500 mg, 3.12 mmol, 69%).

1. concentrationThe solvent was concentrated under vacuum