Chiral Diamine Bis(phenolate) Ti
<sup>IV</sup>
and Zr
<sup>IV</sup>
Complexes – Synthesis, Structures and Reactivity
作者:Sónia Barroso、Pedro Adão、M. Teresa Duarte、Auke Meetsma、João Costa Pessoa、Marco W. Bouwkamp、Ana M. Martins
DOI:10.1002/ejic.201100470
日期:2011.9
Neutral and cationic titanium and zirconium diamine bis(phenolate) complexes supported by chiral ligands L-1 and L-2 are described [L-1 = (R)-6,6'-1-(dimethylamino)propan-2-ylazanediyl}bis(methylene)-bis(2,4-di-tert-butylphenolate); L-2 = (S)-6,6'-(1-ethylpyrrolidin-2-yl)methylazanediyl}bis-(methylene)- bis(2,4-di-tert-butylphenolate)]. Complexes [TiL(OiPr)(2)] [L = L-1 (1), L-2 (2)], [(TiLX)-X-2(OiPr)]
描述了由手性配体 L-1 和 L-2 支持的中性和阳离子钛和锆二胺双(酚盐)配合物 [L-1 = (R)-6,6'-1-(二甲氨基)propan-2-ylazanediyl }双(亚甲基)-双(2,4-二叔丁基苯酚酯);L-2 = (S)-6,6'-(1-乙基吡咯烷-2-基)甲基氮杂二烷基}双-(亚甲基)-双(2,4-二-叔丁基苯酚酯)]。配合物 [TiL(OiPr)(2)] [L = L-1 (1), L-2 (2)], [(TiLX)-X-2(OiPr)] [X = Cl (3), CH2Ph ( 4)], [TiL1(CH2Ph)(2)] (5), [ZrLCl2] [L = L-1 (6), L-2 (7)] 和 [ZrL(CH2Ph)(2)] [L = L-1 (8), L-2 (9)] 是 C-1 对称物质,易于以中等至高产率制备。通过与 B(C6F5)(3) 的反应,从配合物