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CAS 87691-87-0

3-(piperazin-1-yl)benzo[d]isothiazole

Codes: LURA-004

Application context (from source-drug indications)

Major depressive disorderLurasidone HydrochlorideSchizophreniaLurasidone HydrochlorideManiaLurasidone HydrochlorideDepressive disorderLurasidone Hydrochloride

Source drugs (routes using this intermediate)

DrugTierExpiry
Lurasidone HydrochlorideTier B — Position early2028

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.

Lurasidone HydrochlorideOriginator routesteps: 4total yield: /
3-(piperazin-1-yl)benzo[d]isothiazole→(3aR,7aR)-4'-(benzo[d]isothiazol-3-yl)octahydrospiro[isoindole-2,1'-piperazin]-2-ium methanesulfonate→(3aR,4S,7R,7aS)-hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione→(3aR,7aR)-hexahydroisobenzofuran-1,3-dione→((1R,2R)-cyclohexane-1,2-diyl)dimethanol→((1R,2R)-cyclohexane-1,2-diyl)bis(methylene) dimethanesulfonate
Lurasidone HydrochlorideOptimised routesteps: 3total yield: 4.5 g
3-(piperazin-1-yl)benzo[d]isothiazole→(3aR,7aR)-4'-(benzo[d]isothiazol-3-yl)octahydrospiro[isoindole-2,1'-piperazin]-2-ium methanesulfonate→(3aR,4S,7R,7aS)-hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione→((1R,2R)-cyclohexane-1,2-diyl)bis(methylene) dimethanesulfonate

Intermediates available on this site

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