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CAS 132127-31-2
(3R,4S)-4-Phenyl-3-{[tris(propan-2-yl)silyl]oxy}azetidin-2-one
Codes：(VIII)101438-5-a、(X)101438-70-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,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
Benzaldehyde→1-Amino-4-methoxybenzene→(NZ)-4-Methoxy-N-(phenylmethylidene)aniline→(2-Chloranyl-2-oxidanylideneethyl) ethanoate→(3R,4S)-1-(4-Methoxyphenyl)-4-phenyl-3-[[tri(propan-2-yl)silyl]oxy]azetidin-2-one→1-(4-Methoxyphenyl)-2-oxo-4-phenylazetidin-3-yl acetate→3-Hydroxy-1-(4-methoxyphenyl)-4-phenylazetidin-2-one→1-(4-Methoxyphenyl)-4-phenylazetidine-2,3-dione→(+)-3-Hydroxy-1-(4-methoxyphenyl)-4-phenylazetidin-2-one→(3R,4S)-4-Phenyl-3-{[tris(propan-2-yl)silyl]oxy}azetidin-2-one→alpha-Chlorobenzaldehyde→(3R,4S)-1-Benzoyl-4-phenyl-3-[[tri(propan-2-yl)silyl]oxy]azetidin-2-one
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