Preparation of organozirconium aromatic compounds in mixed aqueous-organic solvents: X-ray structures of [Cp2ZrCl(μ2-O′,O′′C-C6H5)], [(CpZr)3(μ2-O′,O′′C-C6H3Cl2)3(μ3-OH)(μ2-OH)3](Cl2C6H3COO)2, and [(CpZr)3(μ2-O′,O′′C-C6H4Cl)3(μ3-OH)(μ2-OH)3]Cl2·CH2Cl2
作者:Jinling Li、Ziwei Gao、Li Han、Lingxiang Gao、Caiyun Zhang、Wayne Tikkanen
DOI:10.1016/j.jorganchem.2009.06.032
日期:2009.10
for the synthesis of zirconocene carboxylate compounds, in which zirconocene dichloride (Cp2ZrCl2) is dissolved in 1 M aqueous HCl solution and the requisite ligand is dissolved in an organic solvent. Five such compounds [Cp2ZrCl(μ2-O′,O′′C-C6H5)] (1), [Cp2ZrCl(μ2-O′,O′′C-C6H3Cl2)] (2), [Cp2Zr(μ2-O′,O′′C-C6H3(OH)Cl)2] (3), [Cp2Zr(μ2-O′,O′′C-C6H3(OH)(NO2))2] (4), and [Cp2Zr(μ2-O′,O′′C-C6H(OH)Cl3)2] (5)
提出了一种新的,简便的合成锆茂羧酸盐化合物的方法,其中将锆茂氯化物(Cp 2 ZrCl 2)溶解在1 M的HCl水溶液中,并将必要的配体溶解在有机溶剂中。五个这样的化合物的[Cp 2的ZrCl(μ 2 -O',O''CC 6 ħ 5)](1),混合[Cp 2的ZrCl(μ 2 -O',O''CC 6 ħ 3氯2)](2),混合[Cp 2 Zr的(μ 2 -O',O''CC 6 ħ 3(OH)Cl)的2 ](3),混合[Cp 2 Zr的(μ 2 -O',O''CC 6 ħ 3(OH)(NO 2))2 ](4),和混合[Cp 2 Zr的(μ 2 -O',O''CC通过该方法获得了6 H(OH)Cl 3)2 ](5)。通过紫外/可见分光光度法和1 H NMR光谱研究了pH对Cp 2 ZrCl 2在1 M HCl溶液中稳定性的影响。结果表明,水性Cp 2 ZrCl 2pH值升高,溶液变得不稳定,从