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CAS 188402-19-9
2-(trimethylsilyl)ethyl (2R,3S)-3-amino-2-hydroxy-3-phenylpropanoate
Codes: (VI)101438-22-a
Application context (from source-drug indications)
Breast cancerPaclitaxel/Encequidar mesylateAdenocarcinomaPaclitaxel/Encequidar mesylateAngiosarcomaPaclitaxel/Encequidar mesylateSolid tumourPaclitaxel/Encequidar mesylatePancreatic cancerPaclitaxelNon-small cell lung cancerPaclitaxelHodgkin's diseasePaclitaxelSeminomaPaclitaxelOvarian cancerPaclitaxelBreast cancerPaclitaxel
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Paclitaxel/Encequidar mesylate | Tier C — Watch / trade | - |
| Paclitaxel | Tier 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.
(2R,3S)-3-phenyloxirane-2-carboxylic acid→(2-Hydroxyethyl)trimethylsilane→2-(trimethylsilyl)ethyl (2R,3S)-3-phenyloxirane-2-carboxylate→2-(trimethylsilyl)ethyl (2S,3S)-3-bromo-2-hydroxy-3-phenylpropanoate→alpha-Chlorobenzaldehyde→2-(trimethylsilyl)ethyl (2R,3S)-3-azido-2-hydroxy-3-phenylpropanoate→2-(trimethylsilyl)ethyl (2R,3S)-3-amino-2-hydroxy-3-phenylpropanoate→(Phenylmethyl)carbonochloridate→2-(trimethylsilyl)ethyl (2R,3S)-3-{[(benzyloxy)carbonyl]amino}-2-hydroxy-3-phenylpropanoate→2-(trimethylsilyl)ethyl (2R,3S)-2-(benzoyloxy)-3-{[(benzyloxy)carbonyl]amino}-3-phenylpropanoate→(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→(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-bis(acetyloxy)-15-{[(2R,3S)-2-(benzoyloxy)-3-{[(benzyloxy)carbonyl]amino}-3-phenylpropanoyl]oxy}-1-hydroxy-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,3S)-3-phenyloxirane-2-carboxylic acid→(2-Hydroxyethyl)trimethylsilane→2-(trimethylsilyl)ethyl (2R,3S)-3-phenyloxirane-2-carboxylate→2-(trimethylsilyl)ethyl (2S,3S)-3-bromo-2-hydroxy-3-phenylpropanoate→alpha-Chlorobenzaldehyde→2-(trimethylsilyl)ethyl (2R,3S)-3-azido-2-hydroxy-3-phenylpropanoate→2-(trimethylsilyl)ethyl (2R,3S)-3-amino-2-hydroxy-3-phenylpropanoate→(Phenylmethyl)carbonochloridate→2-(trimethylsilyl)ethyl (2R,3S)-3-{[(benzyloxy)carbonyl]amino}-2-hydroxy-3-phenylpropanoate→2-(trimethylsilyl)ethyl (2R,3S)-2-(benzoyloxy)-3-{[(benzyloxy)carbonyl]amino}-3-phenylpropanoate→(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→(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-bis(acetyloxy)-15-{[(2R,3S)-2-(benzoyloxy)-3-{[(benzyloxy)carbonyl]amino}-3-phenylpropanoyl]oxy}-1-hydroxy-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
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