π-Rich σ<sup>2</sup>P-Ligands: Unusual Coordination Behavior of <i>1H</i>-1,3-Benzazaphospholes towards Late Transition Metals
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Coordination chemical studies of 1H-1,3-benzazaphospholes, π-excess aromatic σ<sup>2</sup>P-ligands, demonstrate similar ligand properties to those of phosphabenzenes towards M<sup>VI</sup>(CO)<sub>n</sub> but marked differences towards non-zerovalent transition metals. Benzazaphosphole d<sup>8</sup>-metal halide complexes are more strongly destabilized and undergo consecutive reactions, whereas benzazaphosphole coinage metal halide and HgCl<sub>2</sub> complexes generally display μ<sub>2</sub>P- and/or bent η<sup>1</sup>P-coordination with π-P donor bond contribution, contrasting with the preference of phosphinine CuX complexes for η<sup>1</sup>P-coordination within the ring plane.
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Taylor & Francis创建时间：
2016-01-19
