反应详情

A solution of Example 10 (0.24 g, 0.67 mmol) in dichloromethane (10 mL) was treated with oxalyl chloride (0.17 g, 1.33 mmol) and dimethylformamide (5 mg, 10 mol %). The reaction mixture was stirred at room temperature for 2 hours. The solvent was removed under reduced pressure to afford the title compound (0.25 g, quantitative).

1. customThe solvent was removed under reduced pressure