Journal
JOURNAL OF ORGANOMETALLIC CHEMISTRY
Volume 693, Issue 8-9, Pages 1543-1546Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2007.10.047
Keywords
carbene complexes; chirality; rhodium; transmetallation
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New chiral and non-chiral rhodium(I) - NHC complexes were synthesized. The first attempt by deprotonation of an imidazolinium salt with KOtBu and reaction with [Rh(COD)Cl](2) leads to the corresponding rhodium(I) complex. Due to the basic conditions during the reaction a loss of chirality occurs. An alternative transmetallation reaction with a silver(I) - NHC complex yields the desired rhodium (I) - NHC complex under retention of chirality. Both Rh complexes were fully characterized by analytical methods. (C) 2007 Elsevier B.V. All rights reserved.
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