CAS 1033962-70-7

Codes：(X)101438-47-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.

Paclitaxel/Encequidar mesylate优化路线steps: 6total yield: /

3(S)-(tert-Butoxycarbonylamino)-2(R)-hydroxy-3-phenylpropionic acid methyl ester→1-(Dimethoxymethyl)naphthalene→(2R,4S,5R)-2-(Naphthalen-1-yl)-4-phenyl-1,3-oxazolidine-3,5-dicarboxylic acid 3-tert-butyl 5-methyl ester→(2R,4S,5R)-3-[(Tert-butoxy)carbonyl]-2-(naphthalen-1-yl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid→(IX)101438-47-a→(2alpha,5beta,7beta,10beta,13alpha)-4,10-Diacetoxy-1,13-dihydroxy-9-oxo-7-(2,2,2-trichloroacetoxy)-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→2,2,2-Tris(chloranyl)ethanoyl chloride→Acetic acid bromide→(X)101438-47-a→alpha-Chlorobenzaldehyde→(2alpha,5beta,7beta,10beta,13alpha)-4,10-Diacetoxy-13-[[(2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoyl]oxy]-1-hydroxy-9-oxo-7-(2,2,2-trichloroacetoxy)-5,20-epoxytax-11-en-2-yl benzoate

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