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CAS 115437-21-3
(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
Codes: (XI)101438-4-a, (XIII)101438-5-a, (V)101438-6-a, (XXII)101438-7-b, (III)101438-8-a, (II)101438-9-a, (XI)101438-13-a,(XI)101438-13-c, (VIII)101438-14-a, (XV)101438-17-a, (XXIII)101438-18-b, (II)101438-21-a, (XI)101438-22-a +5 more
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.
(3-Bromophenyl)formaldehyde→1-Amino-4-methoxybenzene→(NZ)-N-[(3-bromophenyl)methylidene]-4-methoxyaniline→(2-Chloranyl-2-oxidanylideneethyl) ethanoate→alpha-Chlorobenzaldehyde→(2S,3R)-2-(3-bromophenyl)-1-(4-methoxyphenyl)-4-oxoazetidin-3-yl acetate→(2S,3R)-2-(3-bromophenyl)-4-oxoazetidin-3-yl acetate→(3R,4S)-4-(3-bromophenyl)-3-hydroxyazetidin-2-one→(3R,4S)-4-(3-bromophenyl)-3-[(triethylsilyl)oxy]azetidin-2-one→(3R,4S)-1-benzoyl-4-(3-bromophenyl)-3-[(triethylsilyl)oxy]azetidin-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→(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)-15-{[(2R,3S)-3-(3-bromophenyl)-3-(phenylformamido)-2-[(triethylsilyl)oxy]propanoyl]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-(3-bromophenyl)-2-hydroxy-3-(phenylformamido)propanoyl]oxy}-1,9-dihydroxy-10,14,17,17-tetramethyl-11-oxo-6-oxatetracyclo[11.3.1.0(3,10).0(4,7)]heptadec-13-en-2-yl benzoate→(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-13-[[(2R,3S)-3-benzamido-2-hydroxy-3-(3-tritiophenylpropanoyl]oxy]-1,7-dihydroxy-9-oxo-5,20-epoxytax-11-en-2-yl benzoate
(1S,2R)-2-phenylcyclohexan-1-ol→2-(Benzyloxy)acetyl chloride→(1S,2R)-2-phenylcyclohexyl 2-(benzyloxy)acetate→(1S,2R)-2-phenylcyclohexyl 2-hydroxyacetate→(3R,4S)-3-hydroxy-4-phenylazetidin-2-one→(1S,2R)-2-phenylcyclohexyl 2-[(triisopropylsilyl)oxy]acetate→1,1,1-Trimethyl-N-[(E)-phenylmethylidene]silanamine→Benzaldehyde→(3R,4S)-4-Phenyl-3-{[tris(propan-2-yl)silyl]oxy}azetidin-2-one→(3R,4S)-3-(1-Ethoxyethoxy)-4-phenylazetidin-2-one→alpha-Chlorobenzaldehyde→1-Benzoyl-3(R)-(1-ethoxyethoxy)-4(S)-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→(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
1-[(dicyclohexylsulfamoyl)methyl]-7,7-dimethylbicyclo[2.2.1]heptan-2-yl 2-[(tert-butyldimethylsilyl)oxy]acetate→1,1,1-Trimethyl-N-[(E)-phenylmethylidene]silanamine→(3R,4S)-3-[[tert-Butyl(dimethyl)silyl]oxy]-4-phenylazetidin-2-one→(3R,4S)-1-benzoyl-3-[(tert-butyldimethylsilyl)oxy]-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→(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-bis(acetyloxy)-15-{[(2R,3S)-2-[(tert-butyldimethylsilyl)oxy]-3-phenyl-3-(phenylformamido)propanoyl]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,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
(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→(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→3(S)-(Benzamido)-2(R)-(1-ethoxyethoxy)-3-phenylpropionic acid→(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
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