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The reactivity of zirconium acetylacetonate phenols

机译:乙酰丙酮锆苯酚的反应性

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摘要

Although zirconium acetylacetonate, Zr[CH3C(O)CHC(O)CH3](4), 1, does not react with phenol, 4-methylphenol, or 2,6-dimethylphenol at reflux temperature in toluene or THF, it does react with p-nitrophenol in THF at room temperature to form (acac)(3)Zr(OC6H4NO2-4), 2, in 70% yield. 1 also reacts with 1,4-dihydroxybenzene to form bimetallic [(acac)(3)Zr](2)(mu OC6H4O-4), 3, in 90% yield. 2 crystallizes from THF to farm a capped trigonal prismatic geometry around zirconium with the aryloxide ligand in the capping position. 3 crystallizes from THF/C6H6 to form a structure similar to that of 2 except that the aryloxide ligand occupies a trigonal prismatic vertex in the square face which is capped. (C) 1997 Elsevier Science Ltd. [References: 46]
机译:尽管乙酰丙酮锆Zr [CH3C(O)CHC(O)CH3](4)在甲苯或THF中在回流温度下不会与苯酚,4-甲基苯酚或2,6-二甲基苯酚反应,但会与在室温下于THF中的对硝基苯酚形成(acac)(3)Zr(OC6H4NO2-4)2,收率为70%。 1也与1,4-二羟基苯反应形成双金属[(acac)(3)Zr](2)(μOC6H4O-4)3,产率为90%。 2从THF中结晶出来,在锆附近形成一个封端的三角棱柱形几何结构,芳基氧化物配体位于封端位置。 3从THF / C 6 H 6结晶以形成类似于2的结构,除了芳氧化物配体在加盖的正方形表面上占据三棱柱形顶点。 (C)1997 Elsevier Science Ltd. [参考:46]

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