Formation of Iridabenzenes by Coupling of Iridacyclopentadienes and Alkenes

摘要

Metallabenzenes are interesting structural units that have attracted broad attention.[1] Recently, formation of iridabenzenes by a [2+2+1] cyclotrimerization of alkynes via iridacyclopentadiene intermediates was demonstrated,[2] constituting a valuable addition to previous synthetic methodologies.[1a], [3] Herein we describe new iridabenzene structures prepared by a novel synthetic procedure, namely the coupling of an alkene with iridacyclopentadienes.