Dative Au -> Al Interactions: Crystallographic Characterization and Computational Analysis

作者：Devillard Marc; Nicolas Emmanuel; Ehlers Andreas W; Backs Jana; Mallet Ladeira Sonia; Bouhadir Ghenwa^*; Slootweg J Chris; Uhl Werner; Bourissou Didier

来源：Chemistry - A European Journal, 2015, 21(1): 74-79.

DOI：10.1002/chem.201405610

• aluminum
• coordination chemistry
• density functional calculations
• gold
• phosphorus
• X-ray diffraction

Hitherto unknown Au -> Al interactions have been evidenced upon coordination of the geminal phosphorus-aluminum Lewis pair Mes(2)PC(=CHPh)AltBu(2) (Mes=2,4,6-trimethylphenyl). Four different gold(I) complexes featuring alkyl (Me), aryl (Ph, C6F5), and alkynyl (C CPh) co-ligands have been prepared. X-ray diffraction analyses show that P -> Au -> Al bridging coordination induces noticeable bending of the ligand (the PCAl bond angle shrinks by 13 degrees). This new type of transition metal -> Lewis acid interaction has been analyzed by DFT calculations.

• 出版日期2015-1-2