反应详情

The compound (210 mg) obtained in Example 84-5 was dissolved in anhydrous methanol (6.3 ml) and added with the compound (117 mg) obtained in Example 1-2. The solution was added with trimethyl orthoformate (297 μl) and the whole was stirred at room temperature for 6.5 hours. After completion of the reaction, the solvent was distilled off, thereby obtaining the subject compound (325 mg) as a brown oily substance.

1. customAfter completion of the reaction
2. distillationthe solvent was distilled off