Yang Liangru, von Zelewsky Alex, Stoeckli-Evans Helen
Department of Chemistry, University of Fribourg, Pérolles, 1700 Fribourg, Switzerland.
Chem Commun (Camb). 2005 Sep 7(33):4155-7. doi: 10.1039/b507769a. Epub 2005 Jul 28.
Two diastereoisomers of tetranuclear cyclometallated iridium complexes, either having an inner core of HEXOL-type [Ir(IrCl2)3]6+ unit and a surface of six chiral, didentate, cyclometallated ligands, are stereoselectively synthesized from an enantiopure pinenopyridine derivative.