Abstract
Abstract The addition of organic disulfides to alkenes, giving vic-bis(alkylthio)alkanes and vic-bis(arylthio)alkanes, proceeds in chlorobenzene in the presence of a catalytic amount of a variety of metal cation-exchanged montmorillonites (abbreviated as Mn+-monts), Al3+, Fe3+, Zr4+, and In3+ being effective as Mn+. The most effective Fe3+-mont can be reused for the addition of diphenyl disulfide to cyclohexene at least 8 times without an appreciable loss of catalytic activity.
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