Synthesis of Tungsten and Molybdenum Carbon Dioxide Complexes
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Tungsten and molybdenum η2-CO2 complexes of the form TpM(NO)(L)(η2-CO2), where M = W, Mo, Tp = tris(pyrazolyl)borate, and L = PMe3, 1-methylimidazole, have been synthesized by displacement of an η2-aromatic ligand under elevated CO2 pressure. These complexes have been characterized by single-crystal X-ray diffraction. The η2-CO2 complexes are air stable and resist decomposition in solution. In addition, the molybdenum η2-CO2 complex undergoes chemical reduction of the η2-CO2 ligand to form TpMo(NO)(1-methylimidazole)(CO).
创建时间:
2016-02-19



