反应详情

220 g of the product of Example 6, 20 ml of acetic acid and 100 mg of 82% platinum dioxide. Filtration was carried out followed by extraction with ethyl acetate. The extracts were purified by chromatography on silica (essence G: 80/ethyl acetate: 20) to obtain 145 mg of the expected product.

1. filtrationFiltration
2. extractionwas carried out followed by extraction with ethyl acetate
3. customThe extracts were purified by chromatography on silica (essence G: 80/ethyl acetate: 20)