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CAS 65928-65-6
2-(17beta-Hydroxy-3-oxoestr-5(10)-en-17-yl)acetonitrile
Codes: (I)90248-1-a, (VI)90248-4-a
Application context (from source-drug indications)
ContraceptionDienogest/Estradiol ValerateMenorrhagiaDienogest/Estradiol ValerateContraceptive useDienogest/Estradiol ValeratePelvic painDienogest/Estradiol ValerateHeadacheDienogest/Estradiol ValerateDysmenorrhoeaDienogest/Estradiol ValerateContraceptionDienogestEndocrine system disorderDienogestEndometriosisDienogestAdenomyosisDienogestPainDienogest
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Dienogest/Estradiol Valerate | Tier C — Watch / trade | - |
| Dienogest | Tier C — Watch / trade | - |
Position in synthesis routes (up/downstream chain)
Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.
2-(17beta-Hydroxy-3-oxoestr-5(10)-en-17-yl)acetonitrile→2-[(10S,11S,14R,15S)-2,7-dibromo-14-hydroxy-15-methyl-5-oxotetracyclo[8.7.0.0(2,7).0(11,15)]heptadecan-14-yl]acetonitrile
3-Methoxyestra-1,3,5(10)-trien-17-one→3,17,17-Trimethoxyestra-1(10),2,4-triene→3,17,17-Trimethoxyestra-2,5(10)-diene→3-Methoxyestra-2,5(10)-dien-17-one→2-(17beta-Hydroxy-3-methoxyestra-2,5(10)-dien-17-yl)acetonitrile→2-(17beta-Hydroxy-3-oxoestr-5(10)-en-17-yl)acetonitrile→2-(17beta-Hydroxy-3-methoxyestra-1(10),2,4-trien-17-yl)acetonitrile→3-Methoxyestra-2,5(10)-dien-17-ol
2-(17beta-Hydroxy-3-oxoestr-5(10)-en-17-yl)acetonitrile→2-[(10S,11S,14R,15S)-2,7-dibromo-14-hydroxy-15-methyl-5-oxotetracyclo[8.7.0.0(2,7).0(11,15)]heptadecan-14-yl]acetonitrile
3-Methoxyestra-1,3,5(10)-trien-17-one→3,17,17-Trimethoxyestra-1(10),2,4-triene→3,17,17-Trimethoxyestra-2,5(10)-diene→3-Methoxyestra-2,5(10)-dien-17-one→2-(17beta-Hydroxy-3-methoxyestra-2,5(10)-dien-17-yl)acetonitrile→2-(17beta-Hydroxy-3-oxoestr-5(10)-en-17-yl)acetonitrile→2-(17beta-Hydroxy-3-methoxyestra-1(10),2,4-trien-17-yl)acetonitrile→3-Methoxyestra-2,5(10)-dien-17-ol
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