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CAS 2061919-57-9
(2R,4S,5R)-2-(4-Methoxyphenyl)-4-phenyl-3-[(prop-2-en-1-yloxy)carbonyl]-1,3-oxazolidine-5-carboxylic acid
Codes: (V)101438-58-a, (V)140605-17-a
Application context (from source-drug indications)
Breast cancerPaclitaxel/Encequidar mesylateAdenocarcinomaPaclitaxel/Encequidar mesylateAngiosarcomaPaclitaxel/Encequidar mesylateSolid tumourPaclitaxel/Encequidar mesylateBladder 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)Pancreatic cancerPaclitaxelNon-small cell lung cancerPaclitaxelHodgkin's diseasePaclitaxelSeminomaPaclitaxelOvarian cancerPaclitaxelBreast cancerPaclitaxelNon-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 |
|---|---|---|
| Paclitaxel/Encequidar mesylate | Tier C — Watch / trade | - |
| Docetaxel polymeric micelle (Samyang Biopharmaceuticals) | Tier C — Watch / trade | - |
| Paclitaxel | Tier B — Position early | - |
| 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.
(2alpha,5beta,7beta,10beta,13alpha)-4-(Acetyloxy)-1,7,10,13-tetrahydroxy-9-oxo-5,20-epoxytax-11-en-2-yl benzoate→Acetic acid acetic anhydride→(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-1,7,13-trihydroxy-9-oxo-5,20-epoxytax-11-en-2-yl benzoate→(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-Bis(acetyloxy)-1,15-dihydroxy-10,14,17,17-tetramethyl-11-oxo-9-[(triethylsilyl)oxy]-6-oxatetracyclo[11.3.1.0(3,10).0(4,7)]heptadec-13-en-2-yl benzoate→(2R,4S,5R)-2-(4-Methoxyphenyl)-4-phenyl-3-[(prop-2-en-1-yloxy)carbonyl]-1,3-oxazolidine-5-carboxylic acid→5-[(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-2-(benzoyloxy)-1-hydroxy-9-oxo-7-[(triethylsilyl)oxy]-5,20-epoxytax-11-en-13-yl] 3-prop-2-en-1-yl (2R,4S,5R)-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-3,5-dicarboxylate→5-[(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-2-(benzoyloxy)-1,7-dihydroxy-9-oxo-5,20-epoxytax-11-en-13-yl] 3-prop-2-en-1-yl (2R,4S,5R)-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-3,5-dicarboxylate→(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-2-(benzoyloxy)-1,7-dihydroxy-9-oxo-5,20-epoxytax-11-en-13-yl (2R,4S,5R)-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate
(2R,3S)-3-Amino-2-hydroxy-3-phenylpropanoic acid methyl ester hydrochloride→(2R,3S)-2-Hydroxy-3-phenyl-3-[[(prop-2-en-1-yloxy)carbonyl]amino]propanoic acid methyl ester→1-(Dimethoxymethyl)-4-methoxybenzene→(2R,4S,5R)-2-(4-Methoxyphenyl)-4-phenyl-1,3-oxazolidine-3,5-dicarboxylic acid 5-methyl 3-prop-2-en-1-yl ester→(2R,4S,5R)-2-(4-Methoxyphenyl)-4-phenyl-3-[(prop-2-en-1-yloxy)carbonyl]-1,3-oxazolidine-5-carboxylic acid→(VI)140605-17-a→(2alpha,5beta,7beta,10beta,13alpha)-4-(Acetyloxy)-1,7,10,13-tetrahydroxy-9-oxo-5,20-epoxytax-11-en-2-yl benzoate→(VIII)140605-17-a→(IX)140605-17-a→(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4-(Acetyloxy)-15-[[(2R,3S)-3-amino-2-hydroxy-3-phenylpropanoyl]oxy]-1,9,12-trihydroxy-10,14,17,17-tetramethyl-11-oxo-6-oxatetracyclo[11.3.1.0(3,10).0(4,7)]heptadec-13-en-2-yl benzoate→Bis(1,1-dimethylethyl) dicarbonoate
(2alpha,5beta,7beta,10beta,13alpha)-4-(Acetyloxy)-1,7,10,13-tetrahydroxy-9-oxo-5,20-epoxytax-11-en-2-yl benzoate→Acetic acid acetic anhydride→(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-1,7,13-trihydroxy-9-oxo-5,20-epoxytax-11-en-2-yl benzoate→(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-Bis(acetyloxy)-1,15-dihydroxy-10,14,17,17-tetramethyl-11-oxo-9-[(triethylsilyl)oxy]-6-oxatetracyclo[11.3.1.0(3,10).0(4,7)]heptadec-13-en-2-yl benzoate→(2R,4S,5R)-2-(4-Methoxyphenyl)-4-phenyl-3-[(prop-2-en-1-yloxy)carbonyl]-1,3-oxazolidine-5-carboxylic acid→5-[(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-2-(benzoyloxy)-1-hydroxy-9-oxo-7-[(triethylsilyl)oxy]-5,20-epoxytax-11-en-13-yl] 3-prop-2-en-1-yl (2R,4S,5R)-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-3,5-dicarboxylate→5-[(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-2-(benzoyloxy)-1,7-dihydroxy-9-oxo-5,20-epoxytax-11-en-13-yl] 3-prop-2-en-1-yl (2R,4S,5R)-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-3,5-dicarboxylate→(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-2-(benzoyloxy)-1,7-dihydroxy-9-oxo-5,20-epoxytax-11-en-13-yl (2R,4S,5R)-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate
(2R,3S)-3-Amino-2-hydroxy-3-phenylpropanoic acid methyl ester hydrochloride→(2R,3S)-2-Hydroxy-3-phenyl-3-[[(prop-2-en-1-yloxy)carbonyl]amino]propanoic acid methyl ester→1-(Dimethoxymethyl)-4-methoxybenzene→(2R,4S,5R)-2-(4-Methoxyphenyl)-4-phenyl-1,3-oxazolidine-3,5-dicarboxylic acid 5-methyl 3-prop-2-en-1-yl ester→(2R,4S,5R)-2-(4-Methoxyphenyl)-4-phenyl-3-[(prop-2-en-1-yloxy)carbonyl]-1,3-oxazolidine-5-carboxylic acid→(VI)140605-17-a→(2alpha,5beta,7beta,10beta,13alpha)-4-(Acetyloxy)-1,7,10,13-tetrahydroxy-9-oxo-5,20-epoxytax-11-en-2-yl benzoate→(VIII)140605-17-a→(IX)140605-17-a→(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4-(Acetyloxy)-15-[[(2R,3S)-3-amino-2-hydroxy-3-phenylpropanoyl]oxy]-1,9,12-trihydroxy-10,14,17,17-tetramethyl-11-oxo-6-oxatetracyclo[11.3.1.0(3,10).0(4,7)]heptadec-13-en-2-yl benzoate→Bis(1,1-dimethylethyl) dicarbonoate
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