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CAS 528854-24-2

(aS)-4-tert-Butyl-4,5-dihydro-3H-4lambda5-dinaphtho[2,1-c:1',2'-e]phosphepine-4-thione

Codes: (XVII)101438-70-b

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: 4total yield: /
(aS)-(-)-1,1'-Bi-2-naphthol→(aS)-[1,1'-Binaphthalene]-2,2'-diyl bis(trifluoromethanesulfonate)→Methylmagnesium bromide→(aS)-2,2'-Dimethyl-1,1'-binaphthalene→(aS)-4-tert-Butyl-4,5-dihydro-3H-4lambda5-dinaphtho[2,1-c:1',2'-e]phosphepine-4-thione→(aS)-(4R,4'R)-4,4'-Di-tert-butyl-4,4',5,5'-tetrahydro-3H,3'H-[3,3'-bi-4lambda5-dinaphtho[2,1-c:1',2'-e]phosphepine]-4,4'-dithione
PaclitaxelOptimised routesteps: 4total yield: /
(aS)-(-)-1,1'-Bi-2-naphthol→(aS)-[1,1'-Binaphthalene]-2,2'-diyl bis(trifluoromethanesulfonate)→Methylmagnesium bromide→(aS)-2,2'-Dimethyl-1,1'-binaphthalene→(aS)-4-tert-Butyl-4,5-dihydro-3H-4lambda5-dinaphtho[2,1-c:1',2'-e]phosphepine-4-thione→(aS)-(4R,4'R)-4,4'-Di-tert-butyl-4,4',5,5'-tetrahydro-3H,3'H-[3,3'-bi-4lambda5-dinaphtho[2,1-c:1',2'-e]phosphepine]-4,4'-dithione

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.