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CAS 88128-61-4
(3aS,9aS,9bS)-3a-Methyl-6-[2-(2,5,5-trimethyl-1,3-dioxan-2-yl)ethyl]-4,5,8,9,9a,9b-hexahydro-1H-cyclopenta[a]naphthalene-3,7(2H,3aH)-dione
Codes：(V)125457-3-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.
2-(3-Chloropropyl)-2,5,5-trimethyl-1,3-dioxane→2-(3-Bromopropyl)-2,5,5-trimethyl-1,3-dioxane→(6aS,9aS,9bS)-6a-Methyldecahydrocyclopenta[f]chromene-3,7-dione→(3aS,4S,7aS)-5-Hydroxy-7a-methyl-4-[3-oxo-6-(2,5,5-trimethyl-1,3-dioxan-2-yl)hexyl]octahydro-1H-inden-1-one→(3aS,4S,7aS)-7a-Methyl-4-[3-oxo-6-(2,5,5-trimethyl-1,3-dioxan-2-yl)hexyl]hexahydro-1H-indene-1,5(4H)-dione→(3aS,9aS,9bS)-3a-Methyl-6-[2-(2,5,5-trimethyl-1,3-dioxan-2-yl)ethyl]-4,5,8,9,9a,9b-hexahydro-1H-cyclopenta[a]naphthalene-3,7(2H,3aH)-dione→Estra-4,9-diene-3,17-dione
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