反应详情

200 mg of the alcohol of example 7 is stirred in 10 ml of methylene chloride with 1 g of manganese dioxide overnight. It is suctioned off, concentrated by evaporation and the residue is distilled at 180° C./0.03 hPa. 100 mg of the title compound is obtained as colorless oil.

1. concentrationconcentrated by evaporation
2. distillationthe residue is distilled at 180° C./0.03 hPa