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CAS 103335-54-2
(4aR,4bS,6aS,7S,9aS,9bS)-4a,6a-dimethyl-2-oxo-2,3,4,4a,4b,5,6,6a,7,8,9,9a,9b,10-tetradecahydro-1H-indeno[5,4-f]quinoline-7-carboxylic acid
Codes：DUTA-009
Application context (from source-drug indications)
前列腺增生度他雄胺/盐酸坦洛新
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 度他雄胺/盐酸坦洛新Dutasteride/Tamsulosin Hydrochloride | 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.
(8S,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-17-carboxylic acid→(3S,3aS,5aS,6R,9aS,9bS)-6-(2-carboxyethyl)-3a,6-dimethyl-7-oxododecahydro-1H-cyclopenta[a]naphthalene-3-carboxylic acid→(4aR,4bS,6aS,7S,9aS,9bS)-4a,6a-dimethyl-2-oxo-2,3,4,4a,4b,5,6,6a,7,8,9,9a,9b,10-tetradecahydro-1H-indeno[5,4-f]quinoline-7-carboxylic acid→(4aR,4bS,6aS,7S,9aS,9bS,11aR)-4a,6a-dimethyl-2-oxohexadecahydro-1H-indeno[5,4-f]quinoline-7-carboxylic acid→methyl (4aR,4bS,6aS,7S,9aS,9bS,11aR)-4a,6a-dimethyl-2-oxohexadecahydro-1H-indeno[5,4-f]quinoline-7-carboxylate→methyl (4aR,4bS,6aS,7S,9aS,9bS,11aR)-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-indeno[5,4-f]quinoline-7-carboxylate→(4aR,4bS,6aS,7S,9aS,9bS,11aR)-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-indeno[5,4-f]quinoline-7-carboxylic acid→1,2-di(pyridin-2-yl)disulfane→(4aR,4bS,6aS,7S,9aS,9bS,11aR)-S-pyridin-2-yl 4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-indeno[5,4-f]quinoline-7-carbothioate→2,5-bis(trifluoromethyl)aniline
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