Lewis acid activation of Weiss' reagents ([PhI(Pyr)2]2+) with boranes and isolation of [PhI(4-DMAP)]2.
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DOI: 10.1039/d1cc04725f
Abstract: Abstraction of a pyridine ligand from Weiss' reagent ([PhI(Pyr)2]2+) using BF3-Et2O was found to activate Weiss' reagent towards electrophilic aromatic substitution reactions. The activated species can be isolated when 4-DMAP is used as the pyridine… read more here.
Keywords: lewis acid; weiss reagent; phi dmap; acid activation ... See more keywords