← Back to patent-cliff list
CAS 135365-62-7
(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-1-hydroxy-9-oxo-13-([(2R,3S)-3-phenyl-3-[(phenylcarbonyl)amino]-2-[(triethylsilyl)oxy]propanoyl]oxy)-7-[(triethylsilyl)oxy]-5,20-epoxytax-11-en-2-yl benzoate
Codes：(XXIV)101438-7-b、(XIIa)101438-13-a、(IV)101438-51-a、(XXVII)101438-72-d
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,5S,6R,7S,10R,12S,13S,15R)-15-(acetyloxy)-13,17,20,20-tetramethyl-3,14-dioxo-12-[(triethylsilyl)oxy]-2,4,9-trioxapentacyclo[14.3.1.0(1,5).0(6,13).0(7,10)]icos-16-en-7-yl acetate→(1S,5S,6R,7S,8S,10S,11S,13R)-7,8,10-trihydroxy-7-(hydroxymethyl)-11,15,18,18-tetramethyl-3,12-dioxo-2,4-dioxatetracyclo[12.3.1.0(1,5).0(6,11)]octadec-14-en-13-yl acetate→[(1S,5S,6R,7S,8S,10S,11S,13R)-13-(acetyloxy)-7,8,10-trihydroxy-11,15,18,18-tetramethyl-3,12-dioxo-2,4-dioxatetracyclo[12.3.1.0(1,5).0(6,11)]octadec-14-en-7-yl]methyl acetate→(1S,5S,6R,7S,8S,10S,11S,13R)-7,8-dihydroxy-7-(hydroxymethyl)-11,15,18,18-tetramethyl-3,12-dioxo-10-[(triethylsilyl)oxy]-2,4-dioxatetracyclo[12.3.1.0(1,5).0(6,11)]octadec-14-en-13-yl acetate→(1S,5S,6R,7S,10R,12S,13S,15R)-7-hydroxy-13,17,20,20-tetramethyl-3,14-dioxo-12-[(triethylsilyl)oxy]-2,4,9-trioxapentacyclo[14.3.1.0(1,5).0(6,13).0(7,10)]icos-16-en-15-yl acetate→(1S,2S,3R,4S,7R,9S,10S,12R)-4,12-bis(acetyloxy)-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)-4,12-bis(acetyloxy)-1-hydroxy-10,14,17,17-tetramethyl-11,15-dioxo-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)-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→(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-1-hydroxy-9-oxo-13-([(2R,3S)-3-phenyl-3-[(phenylcarbonyl)amino]-2-[(triethylsilyl)oxy]propanoyl]oxy)-7-[(triethylsilyl)oxy]-5,20-epoxytax-11-en-2-yl benzoate
(3R,4S)-4-Phenyl-3-[(triethylsilyl)oxy]azetidin-2-one→(NZ)-4-Methoxy-N-(phenylmethylidene)aniline→1-Amino-4-methoxybenzene→1-Benzoyl-3(R)-(1-ethoxyethoxy)-4(S)-phenylazetidin-2-one→alpha-Chlorobenzaldehyde→Benzaldehyde→cis-1-(4-Methoxyphenyl)-2-oxo-4-phenylazetidin-3-yl acetate→cis-2-Oxo-4-phenylazetidin-3-yl acetate→(3R,4S)-1-Benzoyl-4-phenyl-3-(triethylsiloxy)azetidin-2-one→(3R,4S)-3-(1-Ethoxyethoxy)-4-phenylazetidin-2-one→(3R,4S)-3-hydroxy-4-phenylazetidin-2-one→(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→(2-Chloranyl-2-oxidanylideneethyl) ethanoate→(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-1-hydroxy-9-oxo-13-([(2R,3S)-3-phenyl-3-[(phenylcarbonyl)amino]-2-[(triethylsilyl)oxy]propanoyl]oxy)-7-[(triethylsilyl)oxy]-5,20-epoxytax-11-en-2-yl benzoate→(2alpha,5beta,7beta,10beta,13alpha)-4,10-Diacetoxy-13-[[(2R,3S)-3-(benzoylamino)-2-(1-ethoxyethoxy)-3-phenylpropanoyl]oxy]-1-hydroxy-9-oxo-7-[(triethylsilyl)oxy]-5,20-epoxytax-11-en-2-yl benzoate
(2alpha,5beta,7beta,10beta,13alpha)-4-(Acetyloxy)-13-[[(2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoyl]oxy]-1,7,10-trihydroxy-9-oxo-5,20-epoxytax-11-en-2-yl benzoate→(2alpha,5beta,7beta,10beta,13alpha)-4-(Acetyloxy)-1,10-dihydroxy-9-oxo-13-([(2R,3S)-3-phenyl-3-[(phenylcarbonyl)amino]-2-[(triethylsilyl)oxy]propanoyl]oxy)-7-[(triethylsilyl)oxy]-5,20-epoxytax-11-en-2-yl benzoate→Acetic acid acetic anhydride→(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-1-hydroxy-9-oxo-13-([(2R,3S)-3-phenyl-3-[(phenylcarbonyl)amino]-2-[(triethylsilyl)oxy]propanoyl]oxy)-7-[(triethylsilyl)oxy]-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→(3R,4S)-1-Benzoyl-4-phenyl-3-(triethylsiloxy)azetidin-2-one→(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-1-hydroxy-9-oxo-13-([(2R,3S)-3-phenyl-3-[(phenylcarbonyl)amino]-2-[(triethylsilyl)oxy]propanoyl]oxy)-7-[(triethylsilyl)oxy]-5,20-epoxytax-11-en-2-yl benzoate
Intermediates available on this site
No listed intermediates for this target yet — send an RFQ directly and it will enter our matching pool.
This is a CAS-level registry record: registrations across routes are merged. Supplier offers and buyer demands will be matched on this CAS as the primary key.