Process to prepare 11beta,17alpha ,21-trihydroxy-6alpha-methylpregna-1,4-diene-3,20-dione 21-acetate
The present invention is a novel process for the transformation of 11 ,17 dihydroxy-6 -methylpregna-1,4-diene-3,20-dione 17-acetate (III) 1 to 11 ,17 ,21-trihydroxy-6 -methylpregna-1,4-diene-3,20-dione 21-acetate (VI) 2
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The present invention is a novel process for the transformation of 11 ,17 dihydroxy-6 -methylpregna-1,4-diene-3,20-dione 17-acetate (III)
1
to 11 ,17 ,21-trihydroxy-6 -methylpregna-1,4-diene-3,20-dione 21-acetate (VI)
2 |
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