双金属片
环戊二烯基络合物
菲咯啉
部分
锆
化学
喹啉
钒
衍生工具(金融)
钛
药物化学
加合物
结晶学
立体化学
催化作用
无机化学
有机化学
金融经济学
经济
作者
Fausto Calderazzo,Fabio Marchetti,Guido Pampaloni,Vincenzo Passarelli
出处
期刊:Journal of The Chemical Society-dalton Transactions
日期:1999-01-01
卷期号: (24): 4389-4396
被引量:99
摘要
The molecular structure of 1,10-phenanthroline-5,6-dione has been determined by X-ray diffraction analysis. The compound reacts with the tetrachlorides of Group 4 metals affording adducts of general formula [MCl4(C12H6N2O2)] (M = Ti, Zr or Hf) and [(MCl4)2(C12H6N2O2)] (M = Ti or Hf), N,N′- and N,N′,O,O′-co-ordinated respectively. The compound [HfCl4(C12H6N2O2)] is reactive towards TiCl4 affording the bimetallic compound [Cl4Hf(C12H6N2O2)TiCl4]. The reaction of the dione with bis-cyclopentadienyl derivatives of titanium(II), zirconium(II), [MCp2(CO)2], and vanadium(II), VCp2, affords derivatives O,O′-co-ordinated to the MCp2 moiety. By reaction of [TiCp2(C12H6N2O2)] with [TiCp2(CO)2] the bimetallic derivative [(TiCp2)2(C12H6N2O2)] is obtained, which is suggested to contain two TiCp2 fragments, O,O′- and N,N′-co-ordinated to 1,10-phenanthroline-5,6-dione. The [MCp2(C12H6N2O2)] (M = Ti, Zr or V) derivatives react with M′Cl4 (M′ = Ti or Hf) to give [Cp2M(C12H6N2O2)M′Cl4] bimetallics.
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