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CAS 2044680-41-1

(4S,5S)-5-[(5S,6S)-5-Hydroxy-6-methyl-6-(prop-2-en-1-yl)cyclohex-1-en-1-yl]-4-(3-methylbut-2-en-1-yl)-4-(2-methylpent-3-yn-2-yl)-1,3-dioxolan-2-one

Codes:(XV)101438-60-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)

DrugTierExpiry
Paclitaxel/Encequidar mesylatePaclitaxel/Encequidar mesylateTier 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: 13total yield: /
(S)-(+)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione→(4aS,5S)-5-Hydroxy-4a-methyl-4,4a,5,6,7,8-hexahydronaphthalen-2(3H)-one→(4aS,5S)-4a-Methyl-5-[(triethylsilyl)oxy]-4,4a,5,6,7,8-hexahydronaphthalen-2(3H)-one→3-[(1R,6S)-1-Methyl-2-oxo-6-[(triethylsilyl)oxy]cyclohexyl]propanoic acid→N'-[(2S,4aS,8aS)-2-Methoxy-4a-methyloctahydro-5H-1-benzopyran-5-ylidene]-2,4,6-tri(propan-2-yl)benzene-1-sulfonohydrazide→S-Ethyl 3-[(1R,6S)-1-methyl-2-oxo-6-[(triethylsilyl)oxy]cyclohexyl]propanethioate→(2S,4aR,8aS)-2-Hydroxy-4a-methyloctahydro-5H-1-benzopyran-5-one→(2S,4aR,8aS)-2-Methoxy-4a-methyloctahydro-5H-1-benzopyran-5-one→2,4,6-Triisopropylbenzenesulfonohydrazide→5-Methyl-2-(2-methylpent-3-yn-2-yl)-2-[(trimethylsilyl)oxy]hex-4-enal→(1S,2S)-1-[(2S,4aS,8aS)-2-Methoxy-4a-methyl-3,4,4a,7,8,8a-hexahydro-2H-1-benzopyran-5-yl]-5-methyl-2-(2-methylpent-3-yn-2-yl)hex-4-ene-1,2-diol→(4S,5S)-5-[(2S,4aS,8aS)-2-Methoxy-4a-methyl-3,4,4a,7,8,8a-hexahydro-2H-1-benzopyran-5-yl]-4-(3-methylbut-2-en-1-yl)-4-(2-methylpent-3-yn-2-yl)-1,3-dioxolan-2-one→(4S,5S)-5-[(4aS,8aS)-2-Hydroxy-4a-methyl-3,4,4a,7,8,8a-hexahydro-2H-1-benzopyran-5-yl]-4-(3-methylbut-2-en-1-yl)-4-(2-methylpent-3-yn-2-yl)-1,3-dioxolan-2-one→(4S,5S)-5-[(5S,6S)-5-Hydroxy-6-(3-hydroxypropyl)-6-methylcyclohex-1-en-1-yl]-4-(3-methylbut-2-en-1-yl)-4-(2-methylpent-3-yn-2-yl)-1,3-dioxolan-2-one→(4S,5S)-5-[(5S,6S)-5-Hydroxy-6-methyl-6-(prop-2-en-1-yl)cyclohex-1-en-1-yl]-4-(3-methylbut-2-en-1-yl)-4-(2-methylpent-3-yn-2-yl)-1,3-dioxolan-2-one→(4S,5S)-5-[(5S,6S)-5-[(Benzyloxy)methoxy]-6-methyl-6-(prop-2-en-1-yl)cyclohex-1-en-1-yl]-4-(3-methylbut-2-en-1-yl)-4-(2-methylpent-3-yn-2-yl)-1,3-dioxolan-2-one

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