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CAS 1085255-37-3

4-Methyl-N'-[(8E)-3,3,7,7-tetramethyl-1,5-dioxaspiro[5.5]undec-8-ylidene]benzenesulfonohydrazide

Codes: (XLI)101438-55-d

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)

DrugTierExpiry
Paclitaxel/Encequidar mesylateTier C — Watch / trade-
PaclitaxelTier 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.

Paclitaxel/Encequidar mesylateOptimised routesteps: 6total yield: /
1,3-Dihydroxy-2,2-dimethylpropane→2,2-Dimethylcyclohexane-1,3-dione→2,2,4-Trimethylcyclohex-3-en-1-one→2,4,6-Triisopropyl-N'-[(1Z)-2,2,4-trimethylcyclohex-3-en-1-ylidene]benzenesulfonohydrazide→2,4,6-Triisopropylbenzenesulfonohydrazide→3,3,7,7-Tetramethyl-1,5-dioxaspiro[5.5]undecan-8-one→3,3,7,7,9-Pentamethyl-1,5-dioxaspiro[5.5]undec-8-ene→3,5-Cyclohexanedione→4-Methyl-N'-[(8E)-3,3,7,7-tetramethyl-1,5-dioxaspiro[5.5]undec-8-ylidene]benzenesulfonohydrazide→4-Methylbenzenesulfonhydrazide→Iodomethane
PaclitaxelOptimised routesteps: 6total yield: /
1,3-Dihydroxy-2,2-dimethylpropane→2,2-Dimethylcyclohexane-1,3-dione→2,2,4-Trimethylcyclohex-3-en-1-one→2,4,6-Triisopropyl-N'-[(1Z)-2,2,4-trimethylcyclohex-3-en-1-ylidene]benzenesulfonohydrazide→2,4,6-Triisopropylbenzenesulfonohydrazide→3,3,7,7-Tetramethyl-1,5-dioxaspiro[5.5]undecan-8-one→3,3,7,7,9-Pentamethyl-1,5-dioxaspiro[5.5]undec-8-ene→3,5-Cyclohexanedione→4-Methyl-N'-[(8E)-3,3,7,7-tetramethyl-1,5-dioxaspiro[5.5]undec-8-ylidene]benzenesulfonohydrazide→4-Methylbenzenesulfonhydrazide→Iodomethane

Intermediates available on this site

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This is a CAS-level registry record: registrations across routes are merged. Supplier offers and buyer demands will be matched on this CAS as the primary key.