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CAS 53573-82-3

(8R,9S,13S,14S,17S)-13-methyl-3,17-bis((tetrahydro-2H-pyran-2-yl)oxy)-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-6-one

Codes: FULV-027

Application context (from source-drug indications)

Breast cancerFulvestrantProstate cancerFulvestrant多发性骨纤维性发育不良Fulvestrant性早熟FulvestrantHR阳性乳腺癌FulvestrantMetastatic breast cancerFulvestrant

Source drugs (routes using this intermediate)

DrugTierExpiry
FulvestrantTier B — Position early-

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.

FulvestrantOptimised routesteps: 6total yield: 2.7 g
(7R,8R,9S,13S,14S,17S)-13-methyl-7-(9-((4,4,5,5,5-pentafluoropentyl)thio)nonyl)-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol→(8R,9S,13S,14S,17S)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol→2,2'-(((8R,9S,13S,14S,17S)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diyl)bis(oxy))bis(tetrahydro-2H-pyran)→(8R,9S,13S,14S,17S)-13-methyl-3,17-bis((tetrahydro-2H-pyran-2-yl)oxy)-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-6-ol→(8R,9S,13S,14S,17S)-13-methyl-3,17-bis((tetrahydro-2H-pyran-2-yl)oxy)-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-6-one→(9-iodononyl)(4,4,5,5,5-pentafluoropentyl)sulfane→(7S,8R,9S,13S,14S,17S)-13-methyl-7-(9-((4,4,5,5,5-pentafluoropentyl)thio)nonyl)-3,17-bis((tetrahydro-2H-pyran-2-yl)oxy)-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-6-one

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