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CAS 65928-64-5
2-(17beta-Hydroxy-3-methoxyestra-2,5(10)-dien-17-yl)acetonitrile
Codes：(IV)90248-2-a、(V)90248-4-a
Application context (from source-drug indications)
避孕地诺孕素/戊酸雌二醇月经过多地诺孕素/戊酸雌二醇避孕行为地诺孕素/戊酸雌二醇盆腔疼痛地诺孕素/戊酸雌二醇头痛地诺孕素/戊酸雌二醇痛经地诺孕素/戊酸雌二醇
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 地诺孕素/戊酸雌二醇Dienogest/Estradiol Valerate | 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.
3-Methoxyestra-2,5(10)-dien-17-one→dimethyl(methylidene)-sulfane→(1'S,2S,10'R,11'S,15'S)-5'-methoxy-15'-methylspiro[oxirane-2,14'-tetracyclo[8.7.0.0(2,7).0(11,15)]heptadecane]-2'(7'),4'-diene→2-(17beta-Hydroxy-3-methoxyestra-2,5(10)-dien-17-yl)acetonitrile→2-[(1S,10R,11S,14R,15S)-14-hydroxy-15-methyl-5-oxotetracyclo[8.7.0.0(2,7).0(11,15)]heptadec-2(7)-en-14-yl]acetonitrile→3,3-Dimethoxyestra-5,9-dien-17-one→3-Ethoxyestra-3,5,9-trien-17-one→Acetonitrile anhydrous
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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