One-pot synthesis of unsymmetrical benzils from aryl methyl ketones and arenes in the presence of selenous acid catalysed by p-toluenesulfonic acid monohydrate |
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| Authors: | Icydora Kharkongor Md Rumum Rohman Bekington Myrboh |
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| Institution: | Department of Chemistry, North-Eastern Hill University, Shillong 793022, India |
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| Abstract: | A modified one-pot method for the synthesis of unsymmetrical and heteroaryl benzils from substituted acetophenones and unactivated or weakly activated arenes by the use of H2SeO3 and p-TsOH·H2O as catalysts at 35 °C is established. The present method is regioselective and avoids the use of p-TsOH·H2O in stoichiometric amount in the presence of H2SeO3 and afforded unsymmetrical benzils in good yields. |
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