Les dianions géminés comme précurseurs pour la synthèse de complexes carbéniques de métaux de transition

  • Heuclin, Hadrien
Publication date
October 2012
Publisher
HAL CCSD

Abstract

Recently, a new method for the synthesis of carbene complexes of transition metal has been developed. The strategy consists in bringing the four electrons of the metal-carbon double bond by the carbene fragment. In this respect the use of geminal dianions, species in which the central carbon bears two lone pairs, incorporating σ4-P groups has been a major breakthrough. The use of these dianions has allowed the synthesis of many carbene complexes of transition metal, rare earths, lanthanides and actinides. The first aim of this doctoral work was to extend the coordination study of known dianions. Thus, new carbene complexes have been synthesized. These complexes have been studied theoretically in order to clarify the nature of the metal-carb...

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