反应详情

温度

60 °C

A methanol solution (2.0 ml) containing the compound (40.0 mg) obtained in Example 36-4 was added with hydrazine monohydrate (44 mg) and the whole was stirred at 60° C. for 1.5 hours, followed by distillating off the solvent. The residue was dissolved in chloroform and filtrated through Celite, the solvent was distilled off, thereby obtaining the subject compound (30.1 mg) as an amber liquid.

1. filtrationfiltrated through Celite
2. distillationthe solvent was distilled off