Iron(<scp>iii</scp>) coordination induced novel 18-metallacrown-6 complex: esterification and isolation of the ligand
作者:Longfei Jin、Hui Yu、Shuxiang Wu、Fengping Xiao
DOI:10.1039/b814093f
日期:——
produce the complex [FeIII6 (C12H9N2O5)6(H2O)2(CH3OH)4]·6CH3OH (2). The complex has been characterized by single-crystal X-ray diffraction. In the self-assembly process the ligand was esterified and transferred into (Z)-methyl 3-(salicylhydrazinocarbonyl) propenoate ((Z)-H3mshcp) (3). In the structure, the neutral Fe(III) complex contains a 18-membered metallacrown ring consisting of six Fe(III) and six
三阴离子七齿 配体, (Z)-3-(水杨酰肼基羰基)丙酸((Z)-H 4 shcpa)(1),已经以高收率合成并与FeCl 3 ·6H 2 O反应,生成了配合物[Fe III 6(C 12 H 9 N 2 O 5)6(H 2 O)2(CH 3 OH)4 ]·6CH 3 OH(2)。该综合体的特点是单晶X射线衍射。在自组装过程中配体将其酯化并转移至3-(水杨酰肼基羰基)甲基丙烯酸(Z)-甲酯((Z)-H 3 mshcp)(3)中。在该结构中,中性的Fe(III)配合物包含一个由6个Fe(III)和6个三阴离子组成的18元金属环配体。由六个连续的[Fe(III)–N–N]型结构部分形成的18元金属环。由于经线的协调配体Fe 3+离子,配体强制将Fe 3+离子的立体化学作为具有交替的Λ/Δ形式的螺旋桨构型进行。可以用SnCl 2处理金属漆以获得纯化的酯。此外,我们还获得了还原的酯化配体,是3-(水杨酰肼基羰基)丙酸甲酯(H