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CAS 103150-33-0
(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12-(benzoyloxy)-9,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-4-(((2,2,2-trichloroethoxy)carbonyl)oxy)-3,4,4a,5,6,9,10,11,12,12a-decahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxete-6,12b(2aH)-diyl diacetate(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-1,13-dihydroxy-9-oxo-7-[[(2,2,2-trichloroethoxy)carbonyl]oxy]-5,20-epoxytax-11-en-2-yl benzoate
Codes：PACL-003、(II)101438-1-a、(X)101438-10-a、(II)101438-25-a、(II)101438-28-a、(XLVII)101438-35-c,(XLVII)101438-35-d、(VIII)101438-39-a、(IV)101438-43-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.
(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12-(benzoyloxy)-4,9,11-trihydroxy-4a,8,13,13-tetramethyl-5-oxo-3,4,4a,5,6,9,10,11,12,12a-decahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxete-6,12b(2aH)-diyl diacetate→2,2,2-trichloroethyl carbonochloridate→(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12-(benzoyloxy)-9,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-4-(((2,2,2-trichloroethoxy)carbonyl)oxy)-3,4,4a,5,6,9,10,11,12,12a-decahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxete-6,12b(2aH)-diyl diacetate→(Z)-3-phenylacrylic acid→(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12-(benzoyloxy)-11-hydroxy-4a,8,13,13-tetramethyl-5-oxo-9-(((Z)-3-phenylacryloyl)oxy)-4-(((2,2,2-trichloroethoxy)carbonyl)oxy)-3,4,4a,5,6,9,10,11,12,12a-decahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxete-6,12b(2aH)-diyl diacetate→(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12-(benzoyloxy)-9-(((2R,3S)-3-((tert-butoxycarbonyl)amino)-2-hydroxy-3-phenylpropanoyl)oxy)-11-hydroxy-4a,8,13,13-tetramethyl-5-oxo-4-(((2,2,2-trichloroethoxy)carbonyl)oxy)-3,4,4a,5,6,9,10,11,12,12a-decahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxete-6,12b(2aH)-diyl diacetate→(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-9-(((2R,3S)-3-amino-2-hydroxy-3-phenylpropanoyl)oxy)-12-(benzoyloxy)-11-hydroxy-4a,8,13,13-tetramethyl-5-oxo-4-(((2,2,2-trichloroethoxy)carbonyl)oxy)-3,4,4a,5,6,9,10,11,12,12a-decahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxete-6,12b(2aH)-diyl diacetate→benzoyl chloride→(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-9-(((2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoyl)oxy)-12-(benzoyloxy)-11-hydroxy-4a,8,13,13-tetramethyl-5-oxo-4-(((2,2,2-trichloroethoxy)carbonyl)oxy)-3,4,4a,5,6,9,10,11,12,12a-decahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxete-6,12b(2aH)-diyl diacetate→(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-9-(((2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoyl)oxy)-12-(benzoyloxy)-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-3,4,4a,5,6,9,10,11,12,12a-decahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxete-6,12b(2aH)-diyl diacetate
(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-1,7,13-trihydroxy-9-oxo-5,20-epoxytax-11-en-2-yl benzoate→(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-1,13-dihydroxy-9-oxo-7-[[(2,2,2-trichloroethoxy)carbonyl]oxy]-5,20-epoxytax-11-en-2-yl benzoate→(2E)-3-Phenylacrylic acid→(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-bis(acetyloxy)-1-hydroxy-10,14,17,17-tetramethyl-11-oxo-15-{[(2Z)-3-phenylprop-2-enoyl]oxy}-9-{[(2,2,2-trichloroethoxy)carbonyl]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-[(3-{[(tert-butoxy)carbonyl]amino}-2-hydroxy-3-phenylpropanoyl)oxy]-1-hydroxy-10,14,17,17-tetramethyl-11-oxo-9-{[(2,2,2-trichloroethoxy)carbonyl]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-[(3-amino-2-hydroxy-3-phenylpropanoyl)oxy]-1-hydroxy-10,14,17,17-tetramethyl-11-oxo-9-{[(2,2,2-trichloroethoxy)carbonyl]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-hydroxy-15-{[2-hydroxy-3-phenyl-3-(phenylformamido)propanoyl]oxy}-10,14,17,17-tetramethyl-11-oxo-9-{[(2,2,2-trichloroethoxy)carbonyl]oxy}-6-oxatetracyclo[11.3.1.0(3,10).0(4,7)]heptadec-13-en-2-yl benzoate→alpha-Chlorobenzaldehyde
(4S,5R)-3-(2-bromoacetyl)-4-methyl-5-phenyl-1,3-oxazolidin-2-one→Benzaldehyde→(4S,5R)-3-[(2S,3R)-2-bromo-3-hydroxy-3-phenylpropanoyl]-4-methyl-5-phenyl-1,3-oxazolidin-2-one→Ethyl (2R,3R)-3-phenyloxirane-2-carboxylate→(4S,5R)-3-(tert-Butoxycarbonyl)-2,2-dimethyl-4-phenyl-1,3-oxazolidine-5-carboxylic acid→Ethyl (2R,3S)-3-azido-2-hydroxy-3-phenylpropanoate→Ethyl (2R,3S)-3-amino-2-hydroxy-3-phenylpropanoate→Ethyl (2R,3S)-3-[(tert-butoxycarbonyl)amino]-2-hydroxy-3-phenylpropanoate→3-tert-butyl 5-ethyl (4S,5R)-2,2-dimethyl-4-phenyl-1,3-oxazolidine-3,5-dicarboxylate→(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-1,13-dihydroxy-9-oxo-7-[[(2,2,2-trichloroethoxy)carbonyl]oxy]-5,20-epoxytax-11-en-2-yl benzoate→5-(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-bis(acetyloxy)-2-(benzoyloxy)-1-hydroxy-10,14,17,17-tetramethyl-11-oxo-9-{[(2,2,2-trichloroethoxy)carbonyl]oxy}-6-oxatetracyclo[11.3.1.0(3,10).0(4,7)]heptadec-13-en-15-yl 3-tert-butyl (4S,5R)-2,2-dimethyl-4-phenyl-1,3-oxazolidine-3,5-dicarboxylate→(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-bis(acetyloxy)-15-{[(2R,3S)-3-amino-2-hydroxy-3-phenylpropanoyl]oxy}-1-hydroxy-10,14,17,17-tetramethyl-11-oxo-9-{[(2,2,2-trichloroethoxy)carbonyl]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-hydroxy-15-{[(2R,3S)-2-hydroxy-3-phenyl-3-(phenylformamido)propanoyl]oxy}-10,14,17,17-tetramethyl-11-oxo-9-{[(2,2,2-trichloroethoxy)carbonyl]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)-2-(benzoyloxy)-1-hydroxy-10,14,17,17-tetramethyl-11-oxo-9-{[(2,2,2-trichloroethoxy)carbonyl]oxy}-6-oxatetracyclo[11.3.1.0(3,10).0(4,7)]heptadec-13-en-15-yl (4S,5R)-2,4-diphenyl-4,5-dihydro-1,3-oxazole-5-carboxylate→(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-1,13-dihydroxy-9-oxo-7-[[(2,2,2-trichloroethoxy)carbonyl]oxy]-5,20-epoxytax-11-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→(4S,5R)-2,4-Diphenyl-4,5-dihydro-1,3-oxazole-5-carboxylic acid
(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-1,7,13-trihydroxy-9-oxo-5,20-epoxytax-11-en-2-yl benzoate→(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-1,13-dihydroxy-9-oxo-7-[[(2,2,2-trichloroethoxy)carbonyl]oxy]-5,20-epoxytax-11-en-2-yl benzoate→(3R,4S)-1-benzoyl-3-[(2-methoxypropan-2-yl)oxy]-4-phenylazetidin-2-one→(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-bis(acetyloxy)-1-hydroxy-15-{[(2R,3S)-2-hydroxy-3-phenyl-3-(phenylformamido)propanoyl]oxy}-10,14,17,17-tetramethyl-11-oxo-9-{[(2,2,2-trichloroethoxy)carbonyl]oxy}-6-oxatetracyclo[11.3.1.0(3,10).0(4,7)]heptadec-13-en-2-yl benzoate
(1S,3S,5S,6R,7S,8S,10S,11S,13R,16S)-16-[(tert-butyldimethylsilyl)oxy]-8-chloro-7-hydroxy-7-(hydroxymethyl)-10-[(2-methoxypropan-2-yl)oxy]-11,15,18,18-tetramethyl-12-oxo-3-phenyl-2,4-dioxatetracyclo[12.3.1.0(1,5).0(6,11)]octadec-14-en-13-yl acetate→(1S,3S,5S,6R,7S,10R,12S,13S,15R,18S)-18-[(tert-butyldimethylsilyl)oxy]-7-hydroxy-12-[(2-methoxypropan-2-yl)oxy]-13,17,20,20-tetramethyl-14-oxo-3-phenyl-2,4,9-trioxapentacyclo[14.3.1.0(1,5).0(6,13).0(7,10)]icos-16-en-15-yl acetate→(1S,3S,5S,6R,7S,10R,12S,13S,15R,18S)-18-[(tert-butyldimethylsilyl)oxy]-7-hydroxy-13,17,20,20-tetramethyl-14-oxo-3-phenyl-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,5S,6R,7S,10R,12S,13S,15R,18S)-18-[(tert-butyldimethylsilyl)oxy]-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,5S,6R,7S,10R,12S,13S,15R,18S)-15-(acetyloxy)-18-[(tert-butyldimethylsilyl)oxy]-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,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-bis(acetyloxy)-15-[(tert-butyldimethylsilyl)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-[(tert-butyldimethylsilyl)oxy]-1-hydroxy-10,14,17,17-tetramethyl-11-oxo-9-{[(2,2,2-trichloroethoxy)carbonyl]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)-1,13-dihydroxy-9-oxo-7-[[(2,2,2-trichloroethoxy)carbonyl]oxy]-5,20-epoxytax-11-en-2-yl benzoate→2-Methoxy-1-propene→(1S,3S,5S,6S,8S,10S,11S,13R,16S)-16-[(tert-butyldimethylsilyl)oxy]-8-chloro-10-[(2-methoxypropan-2-yl)oxy]-11,15,18,18-tetramethyl-7-methylidene-12-oxo-3-phenyl-2,4-dioxatetracyclo[12.3.1.0(1,5).0(6,11)]octadec-14-en-13-yl acetate→(1S,3S,5S,6R,10S,11S,16S)-16-[(tert-butyldimethylsilyl)oxy]-10-[(2-methoxypropan-2-yl)oxy]-11,15,18,18-tetramethyl-12-oxo-3-phenyl-2,4-dioxatetracyclo[12.3.1.0(1,5).0(6,11)]octadeca-7,14-dien-7-yl trifluoromethanesulfonate→(1S,3S,5S,6S,10S,11S,16S)-16-[(tert-butyldimethylsilyl)oxy]-10-[(2-methoxypropan-2-yl)oxy]-11,15,18,18-tetramethyl-3-phenyl-7-[(trimethylsilyl)methyl]-2,4-dioxatetracyclo[12.3.1.0(1,5).0(6,11)]octadeca-7,14-dien-12-one→(1S,3S,5S,6S,8S,10S,11S,16S)-16-[(tert-butyldimethylsilyl)oxy]-8-chloro-10-[(2-methoxypropan-2-yl)oxy]-11,15,18,18-tetramethyl-7-methylidene-3-phenyl-2,4-dioxatetracyclo[12.3.1.0(1,5).0(6,11)]octadec-14-en-12-one→(1S,3S,5S,6S,8S,10S,11S,13S,16S)-16-[(tert-butyldimethylsilyl)oxy]-8-chloro-10-[(2-methoxypropan-2-yl)oxy]-11,15,18,18-tetramethyl-7-methylidene-12-oxo-3-phenyl-2,4-dioxatetracyclo[12.3.1.0(1,5).0(6,11)]octadec-14-en-13-yl acetate
(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-[[(2,2,2-trichloroethoxy)carbonyl]oxy]-5,20-epoxytax-11-en-2-yl benzoate→(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-1,13-dihydroxy-9-oxo-7-[[(2,2,2-trichloroethoxy)carbonyl]oxy]-5,20-epoxytax-11-en-2-yl benzoate→(3R,4S)-1-Benzoyl-4-phenyl-3-(triethylsiloxy)azetidin-2-one
(2R,3S)-3-Amino-2-hydroxy-3-phenylpropanoic acid→chloro(prop-2-yn-1-yloxy)methanone→(2R,3S)-2-hydroxy-3-phenyl-3-{[(prop-2-yn-1-yloxy)carbonyl]amino}propanoic acid→methyl (2R,3S)-2-hydroxy-3-phenyl-3-{[(prop-2-yn-1-yloxy)carbonyl]amino}propanoate→5-(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-bis(acetyloxy)-2-(benzoyloxy)-1-hydroxy-10,14,17,17-tetramethyl-11-oxo-9-{[(2,2,2-trichloroethoxy)carbonyl]oxy}-6-oxatetracyclo[11.3.1.0(3,10).0(4,7)]heptadec-13-en-15-yl 3-prop-2-yn-1-yl (4S,5R)-2,2-dimethyl-4-phenyl-1,3-oxazolidine-3,5-dicarboxylate→2-Methoxy-1-propene→5-methyl 3-prop-2-yn-1-yl (4S,5R)-2,2-dimethyl-4-phenyl-1,3-oxazolidine-3,5-dicarboxylate→(4S,5R)-2,2-dimethyl-4-phenyl-3-[(prop-2-yn-1-yloxy)carbonyl]-1,3-oxazolidine-5-carboxylic acid→(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-1,13-dihydroxy-9-oxo-7-[[(2,2,2-trichloroethoxy)carbonyl]oxy]-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-amino-2-hydroxy-3-phenylpropanoyl]oxy}-1-hydroxy-10,14,17,17-tetramethyl-11-oxo-9-{[(2,2,2-trichloroethoxy)carbonyl]oxy}-6-oxatetracyclo[11.3.1.0(3,10).0(4,7)]heptadec-13-en-2-yl benzoate→alpha-Chlorobenzaldehyde→(1S,2S,3R,4S,7R,9S,10S,12R,15S)-12-(acetyloxy)-1,4-dihydroxy-15-{[(2R,3S)-2-hydroxy-3-phenyl-3-(phenylformamido)propanoyl]oxy}-10,14,17,17-tetramethyl-11-oxo-9-{[(2,2,2-trichloroethoxy)carbonyl]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→Acetic acid acetic anhydride→(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-1,7,13-trihydroxy-9-oxo-5,20-epoxytax-11-en-2-yl benzoate→(2alpha,5beta,7beta,10beta,13alpha)-4,10-Bis(acetyloxy)-1,13-dihydroxy-9-oxo-7-[[(2,2,2-trichloroethoxy)carbonyl]oxy]-5,20-epoxytax-11-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-[[(2,2,2-trichloroethoxy)carbonyl]oxy]-5,20-epoxytax-11-en-2-yl benzoate
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