Abstract

Alcoholysis of thiiranes with primary and secondary alcohols followed by the formation of their corresponding alkoxy-disulphides is performed efficiently in one step with different Ce(IV) salts, such as ceric ammonium nitrate (CAN), ceric pyridinium nitrate (CPN), ceric triethylammonium nitrate (CTEAN) and ceric sulphate under mild conditionand in moderate to excellent yields. Acetolysis of thiiranes with Ce(IV) also produces acetoxy-disulphides in good yields. Dimerization of thiiranes to their corresponding dithianes are also reported. Ring opening and dimerization of thiiranes to their corresponding alkoxy and acetoxy disulphides or dithianes are performed with different Ce(IV) Based Oxidants.

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