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CAS 160582-74-1
(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-bis(acetyloxy)-1-[(dimethylsilyl)oxy]-10,14,17,17-tetramethyl-11-oxo-9,15-bis[(triethylsilyl)oxy]-6-oxatetracyclo[11.3.1.0(3,10).0(4,7)]heptadec-13-en-2-yl benzoate
Codes：(II)101438-44-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-hydroxy-10,14,17,17-tetramethyl-11-oxo-9,15-bis[(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)-1-[(dimethylsilyl)oxy]-10,14,17,17-tetramethyl-11-oxo-9,15-bis[(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)-12-(acetyloxy)-1-[(dimethylsilyl)oxy]-4-hydroxy-10,14,17,17-tetramethyl-11-oxo-9,15-bis[(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)-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→(3R,4S)-1-Benzoyl-4-phenyl-3-(triethylsiloxy)azetidin-2-one
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