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CAS 159328-48-0
ethyl (2R,3S)-3-{[(benzyloxy)carbonyl]amino}-2-hydroxy-3-phenylpropanoate
Codes：(IX)101438-21-a
Application context (from source-drug indications)
乳腺癌Paclitaxel/Encequidar mesylate腺癌Paclitaxel/Encequidar mesylate血管肉瘤Paclitaxel/Encequidar mesylate实体瘤Paclitaxel/Encequidar mesylate
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Paclitaxel/Encequidar mesylatePaclitaxel/Encequidar mesylate | 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.
(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)-3-{[(benzyloxy)carbonyl]amino}-2-[(benzyloxy)methoxy]-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→(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-bis(acetyloxy)-15-{[(2R,3S)-3-amino-2-[(benzyloxy)methoxy]-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→(2alpha,5beta,7beta,10beta,13alpha)-4-(Acetyloxy)-1,7,10,13-tetrahydroxy-9-oxo-5,20-epoxytax-11-en-2-yl benzoate→(2alpha,5beta,7beta,10beta,13alpha)-4-Acetoxy-1,10,13-trihydroxy-9-oxo-7-[(triethylsilyl)oxy]-5,20-epoxytax-11-en-2-yl benzoate→(2R,3S)-3-{[(benzyloxy)carbonyl]amino}-2-[(benzyloxy)methoxy]-3-phenylpropanoic acid→ethyl (2R,3S)-3-{[(benzyloxy)carbonyl]amino}-2-[(benzyloxy)methoxy]-3-phenylpropanoate→ethyl (2R,3S)-3-{[(benzyloxy)carbonyl]amino}-2-hydroxy-3-phenylpropanoate→Ethyl (2R,3S)-3-amino-2-hydroxy-3-phenylpropanoate
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