The First Coordination Complexes of Selenones: A Structural Comparison with Complexes of Sulfones
作者:Evgeny V. Dikarev、Renee Y. Becker、Eric Block、Zhixing Shan、R. Curtis Haltiwanger、Marina A. Petrukhina
DOI:10.1021/ic0302130
日期:2003.11.1
compounds have been confirmed by NMR and IR spectroscopy, chemical analyses, and X-ray diffraction studies. Compounds 3b and 4a are the first crystallographically characterized metal complexes having selenone ligands coordinated to the metal centers. Preparation and X-ray study of analogous metal complexes of sulfone and selenone ligands allow, for the first time, tracking the structural changes induced by
两类非常弱的供体R(2)XO(2)的反应性(X = S,R = Me(1)和Ph(2); X = Se,R = Me(3)和Ph(4))已经研究过了。使用模型双齿金属络合物[Rh(2)(O(2)CCF(3))(4)首次比较了溶液和气相中砜和硒酮的配位性能。已检测到桥接mu(2)-O,O'和终端eta(1)-O的两种协调模式。这些类型的结合是在两个系列的砜和硒酮金属配合物,聚合物单加合物[Rh(2)(O(2)CCF(3))(4)。(R(2)XO(2))中实现的。 (无穷大)(X = S,R = Me(1a); R = Ph(2a); X = Se,R = Ph(4a))和离散的双加合物[Rh(2)(O(2)CCF( 3))(4)。(R(2)XO(2))(2)](X = S,R = Ph(2b); X = Se,R = Me(3b))。新化合物的组成和结构已通过NMR和IR光谱,化学分析,和X