Highly selective Friedel–Crafts monoalkylation using micromixingElectronic supplementary information (ESI) available: experimental section. See http://www.rsc.org/suppdata/cc/b2/b211433j/

Abstract
Highly selective Friedel–Crafts monoalkylation of aromatic compounds with N-acyliminium ions has been achieved by efficient 1∶1 mixing using a multilamination-type micromixer.