反应详情

The preparation of the title compound takes place in analogy to the synthesis of the compound from Example 20A starting with the compound from Example 12A. The crude product obtained after extraction is dried under high vacuum and reacted further without chromatographic purification. 0.65 g (80% of theory) of the title compound with a purity of 75% are obtained.

1. customThe crude product obtained
2. extractionafter extraction
3. customis dried under high vacuum
4. customreacted further without chromatographic purification