Scandium and Copper Triflate-Catalysed Acylaminoalkylation and Friedel-Crafts Alkylation Reactions

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Abstract
Acylaminoalkylation cyclisation reactions and some Friedel-Crafts alkylation reactions can be carried out using scandium or copper triflate as the Lewis acid catalyst: scandium triflate can be recycled with no loss of catalytic activity.