An N‐Heterocyclic Carbene/Iridium Hydride Complex from the Oxidative Addition of a Ferrocenyl–Bisimidazolium Salt: Implications for Synthesis

• DOI: 10.1002/anie.200461918
• Publication Date: 2004-12-31T02:24:51Z
• Authors: Mónica Viciano; Elena Mas‐Marzá; Macarena Poyatos; Mercedes Sanaú; Robert H. Crabtree; Eduardo Peris
• Keywords: Oxidative addition; Base (topology)

A ferrocenyl–imidazolium salt can be employed as a precursor to stable [IrIII(H)(biscarbene)] complex (see X-ray crystal structure) under very mild conditions. The study shows that the role of base in activation imidazolium may not just simple deprotonation precursor.