作者:P. Mosae Selvakumar、E. Suresh、P.S. Subramanian
DOI:10.1016/j.ica.2007.08.001
日期:2008.4
Abstract Two novel bolaamphiphile based dicarboxylic ligands L1H2 and L2H2 are synthesized by desymmetrizing aromatic anhydrides. The corresponding Cu(II) complexes [Cu(L1) · EtOH]2 (1), [Cu(L2) · (CH3CN)]2 (2) are synthesized and characterized. The crystal structure obtained for (1) and (2) indicates that they are new class of tetralactone type macrocyclic Cu(II) chelate complexes with paddle wheel
摘要通过对芳族酸酐进行脱对称化反应,合成了两种新型的基于两性亲双性亲宝基的二羧酸配体L1H2和L2H2。合成并表征了相应的Cu(II)配合物[Cu(L1)·EtOH] 2(1),[Cu(L2)·(CH3CN)] 2(2)。从(1)和(2)获得的晶体结构表明它们是具有桨叶式Cu2-乙酸酯笼结构的新型四内酯型大环Cu(II)螯合物。1:1,Cu(II)和配体比率导致形成新型双核Cu(II)四羧酸盐配合物。化合物1和2中的大环螯合物环的大小通过引入邻苯二甲酰基和二苯基头基而从[15]变为[19],详细讨论。单晶X射线结构显示1的Cu(II)⋯Cu(II)距离为2.613(13)A,2为2.626(13)A