Procédé de préparation de 16a,21-dialkanoyl (inférieur)- 9ahalogéno-17aol-4-prégnène-3,11,20-triones
A process for the preparation of a 16 α, lower 21-dialkanoyl-9 α -halo-17 α -ol-4-pregneno-3,11,20-trione which consists of reacting a 16 α, 21-di-alkanoyl lower-9 α -halo-11 β, 17 α, diol-4-pregneno-3,20-dione with chromic anhydride in an inert solvent and, if desired, convert the product thus obta...
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| Zusammenfassung: | A process for the preparation of a 16 α, lower 21-dialkanoyl-9 α -halo-17 α -ol-4-pregneno-3,11,20-trione which consists of reacting a 16 α, 21-di-alkanoyl lower-9 α -halo-11 β, 17 α, diol-4-pregneno-3,20-dione with chromic anhydride in an inert solvent and, if desired, convert the product thus obtained into the corresponding 9 α -halo- 16 α, 17 α, 21-triol-4-pregneno-3,11,20-trione by treatment with an alkali metal hydroxide. (Machine-translation by Google Translate, not legally binding) |
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