Gold(I) and silver(I) complexes of a diphosphine analog of a half-calix[4]arene moiety
作者:Xiang-Tai Meng、Rong-Hua Xu、Qing-Shan Li、Feng-Bo Xu
DOI:10.1016/j.poly.2012.11.036
日期:2013.2
The diphosphine ligand bis(5-(tert-butyl)-3-((diphenylphosphino)methyl)-2-methoxyphenyemethane (BDMMphos) has been metallated with the transition metal complexes Ag(CH3CN)(4)BF4 and Au(Me2S)Cl to yield the corresponding diphosphine metal complexes (BDMMphos)AgBF4 (1), (BDMMphos)(AuCl)(2) (2) and (BDMMphos)AuClO4 (3). All of the complexes were characterized by elemental analyses, H-1, P-31 and C-13 NMR spectroscopies and X-ray structure determination. The diphosphine ligand BDMMphos displayed versatile coordination properties. In complexes I and 3, BDMMphos chelated metal ions to form stable 12-membered ring complexes with large bite angles, while in complex 2, BDMMphos simply coordinated to two AuCl units as a bridging ligand. (C) 2012 Elsevier Ltd. All rights reserved.