反应详情

The compound prepared in Example 31 (556 mg) was dissolved in ethanol (10 mL) and ethyl acetate (20 mL) and added with 5% palladium carbon (100 mg) and the reaction solution was stirred under a hydrogen atmosphere at room temperature for 8 hours. The reaction solution was filtered with celite and the solvent was distilled off to give the titled compound having the following physical properties. The resulting titled compound was used for the next reaction without further purification.

1. filtrationThe reaction solution was filtered with celite
2. distillationthe solvent was distilled off