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CAS 1246748-59-3
2-(4-Methoxyphenyl)-4(S)-phenyloxazolidine-3,5(R)-dicarboxylic acid 3-tert-butyl 5-[(2alpha,5beta,7beta,10beta,13alpha)-4,10-diacetoxy-2-(benzoyloxy)-1-hydroxy-7-[methyl(diphenyl)silyloxy]-9-oxo-5,20-epoxytax-11-en-13-yl] diester
Codes: (XV)140605-22-b
Application context (from source-drug indications)
Bladder cancerDocetaxel polymeric micelle (Samyang Biopharmaceuticals)Head and neck cancerDocetaxel polymeric micelle (Samyang Biopharmaceuticals)Head and neck squamous cell carcinomaDocetaxel polymeric micelle (Samyang Biopharmaceuticals)Solid tumourDocetaxel polymeric micelle (Samyang Biopharmaceuticals)Non-small cell lung cancerDocetaxel （Beihai）Prostate cancerDocetaxel （Beihai）Castration-resistant prostate cancerDocetaxel （Beihai）Breast cancerDocetaxel （Beihai）Head and neck cancerDocetaxel （Beihai）Head and neck squamous cell carcinomaDocetaxel （Beihai）
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Docetaxel polymeric micelle (Samyang Biopharmaceuticals) | Tier C — Watch / trade | - |
| Docetaxel （Beihai） | 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-(4-Methoxyphenyl)-4(S)-phenyloxazolidine-3,5(R)-dicarboxylic acid 3-tert-butyl 5-[(2aR,4S,4aR,5S,6R,9S,11S,12S,12aR,12bS)-6,12b-diacetoxy-12-(benzoyloxy)-5,11-dihydroxy-4a,8,13,13-tetramethyl-4-[methyl(diphenyl)silyloxy]-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-9-yl] diester→2-(4-Methoxyphenyl)-4(S)-phenyloxazolidine-3,5(R)-dicarboxylic acid 3-tert-butyl 5-[(2alpha,5beta,7beta,10beta,13alpha)-4,10-diacetoxy-2-(benzoyloxy)-1-hydroxy-7-[methyl(diphenyl)silyloxy]-9-oxo-5,20-epoxytax-11-en-13-yl] diester→Benzoic acid (2alpha,5beta,7beta,10beta,13alpha)-4,10-diacetoxy-13-[3(S)-(tert-butoxycarbonylamino)-2(R)-hydroxy-3-phenylpropionyloxy]-1,7-dihydroxy-9-oxo-5,20-epoxytax-11-en-2-yl ester
2-(4-Methoxyphenyl)-4(S)-phenyloxazolidine-3,5(R)-dicarboxylic acid 3-tert-butyl 5-[(2aR,4S,4aR,5S,6R,9S,11S,12S,12aR,12bS)-6,12b-diacetoxy-12-(benzoyloxy)-5,11-dihydroxy-4a,8,13,13-tetramethyl-4-[methyl(diphenyl)silyloxy]-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-9-yl] diester→2-(4-Methoxyphenyl)-4(S)-phenyloxazolidine-3,5(R)-dicarboxylic acid 3-tert-butyl 5-[(2alpha,5beta,7beta,10beta,13alpha)-4,10-diacetoxy-2-(benzoyloxy)-1-hydroxy-7-[methyl(diphenyl)silyloxy]-9-oxo-5,20-epoxytax-11-en-13-yl] diester→Benzoic acid (2alpha,5beta,7beta,10beta,13alpha)-4,10-diacetoxy-13-[3(S)-(tert-butoxycarbonylamino)-2(R)-hydroxy-3-phenylpropionyloxy]-1,7-dihydroxy-9-oxo-5,20-epoxytax-11-en-2-yl ester
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