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<i>o</i>-Benzenedisulfonimide as a Soft, Efficient, and Recyclable Catalyst for the Acylation of Alcohols, Phenols, and Thiols under Solvent-Free Conditions: Advantages and Limitations
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2008
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Chemical EngineeringEngineeringIndustrial CatalysisRecyclable CatalystSolvent-free ProcedureCatalytic SynthesisOrganic ChemistrySolvent-free ConditionsCatalysisMolecular CatalysisChemistryReaction ConditionsHomogeneous CatalysisEcological Advantages
o-Benzenedisulfonimide turns out to be a highly efficient Brønsted acid catalyst for the acylation of a number of alcohols, phenols, and thiols under a metal- and solvent-free procedure; reaction conditions are mild and yields very good. After the workup, the catalyst can be easily recovered and purified, ready to be reused, with economic and ecological advantages.