Ln(OTf)3–LiClO4 as reusable catalyst system for Friedel–Crafts acylation
Abstract
Lithium perchlorate is found to accelerate Ln(OTf)3-catalysed Friedel–Crafts acylation; the catalytic system, Ln(OTf)3–LiClO4, is easily recovered from the reaction mixture by simple extraction and can be reused without decrease in its catalytic activity.
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