Synthesis of new tripodal tri-functionalized hydrotris(indazol-1-yl)borate ligands and X-ray structures of their cyclopentadieneruthenium complexes

被引:36
作者
Carella, A [1 ]
Vives, G [1 ]
Cox, T [1 ]
Jaud, J [1 ]
Rapenne, G [1 ]
Launay, JP [1 ]
机构
[1] CNRS, NanoSci Grp, CEMES, F-31055 Toulouse 4, France
关键词
tripodal ligands; ligand design; ruthenium; indazole; stacking interactions;
D O I
10.1002/ejic.200500851
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Two new tripodal ligands designed to anchor complexes onto surfaces have been synthesized. They integrate ester or thioether functions at the 6-position of the indazoles. Potassium hydrotris [6-(ethoxycarbonyl)indazolyl] borate and potassium hydrotris{6-[(ethylsulfanyl)methyl]indazolyl}borate exhibit three pendant groups oriented to anchor complexes onto an oxide and a metallic surface, respectively. Their complexation with [RuCp(CH3CN)(3)]PF6 yielded two piano-stool-shaped complexes that were characterized by X-ray diffraction. Comparison with the synthesized unfunctionalized analog showed that the three 6-substituted functions do not interfere with the coordination site and are particularly well oriented for surface deposition. ((c) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006).
引用
收藏
页码:980 / 987
页数:8
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