Metal-Directed Synthesis and Photophysical Studies of Trinuclear V-Shaped and Pentanuclear X-Shaped Ruthenium and Osmium Metallorods and Metallostars Based upon 4′-(3,5-Dihydroxyphenyl)-2,2′:6′,2′′-terpyridine Divergent Units
作者:Edwin C. Constable、Robyn W. Handel、Catherine E. Housecroft、Angeles Farràn Morales、Barbara Ventura、Lucia Flamigni、Francesco Barigelletti
DOI:10.1002/chem.200500119
日期:2005.6.20
has been prepared by the reaction of metal complexes bearing pendant phenolic functionalities with complexes containing electrophilic ligands. Specifically, M(tpy)2} motifs (M=Ru or Os; tpy=2,2':6',2''-terpyridine) bearing one or two pendant 3,5-dihydroxyphenyl substituents at the 4-position of the central ring of the tpy have been reacted with the complexes [Ru(tpy)(Xtpy)]2+ (X=Cl or Br) to form new
通过带有侧链酚官能团的金属配合物与含有亲电子配体的配合物的反应,制备了一系列新的V形三核金属环和X形五核金属环。具体而言,M(tpy)2}个基序(M = Ru或Os; tpy = 2,2':6',2''-吡啶)在其4位上带有一个或两个侧基3,5-二羟基苯基取代基tpy的中心环已与配合物[Ru(tpy)(Xtpy)] 2+(X = Cl或Br)反应形成新的醚连接物种。已对这些络合物中从钌到to的能量转移进行了详细研究,转移效率显示出高度的温度依赖性。在低温下能量传递非常高效,