反应详情

The preparation of the title compound takes place in analogy to the synthesis of the compound from Example 19A starting with the compound from Example 12A. The organic phase is concentrated and purified by flash chromatography (mobile phase: cyclohexane/ethyl acetate/ethyl acetate:methanol 1:1 gradient) on silica gel. 0.43 g (100% of theory) of the title compound are obtained.

1. concentrationThe organic phase is concentrated
2. custompurified by flash chromatography (mobile phase: cyclohexane/ethyl acetate/ethyl acetate:methanol 1:1 gradient) on silica gel