Process for obtaining norelgestromin in different relations of isomers E and Z
The present invention is related to an oxime of the 13beta-ethyl-17alpha-hydroxi-18,19-dinorpregn-4-en-20-in-3-o (norelgestromin) of Formula I with a relation of isomers E/Z between 1.3 and 1.6 and the method of producing the oxime.
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The present invention is related to an oxime of the 13beta-ethyl-17alpha-hydroxi-18,19-dinorpregn-4-en-20-in-3-o (norelgestromin) of Formula I with a relation of isomers E/Z between 1.3 and 1.6 and the method of producing the oxime. |
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