Abstract
N-Arylation reaction of N-heterocyclic compounds has been carried out in excellent yield using copper anchored SBA-15 catalyst. Sequential N-arylation reactions employing single catalyst under heterogeneous condition provides a straightforward access to a series of important arylazolium salts. Simplicity of the method and outstanding character of the catalyst facilitate the reactions to go smoothly which encompass a broad range of functional groups. Catalyst can be recovered and reused several times without any significant loss in its catalytic activity.
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