Synthesis and characterization of cobalt(II), nickel(II) and zinc(II) complexes of a 14-membered cis-N2S2 dibenzo macrocycle with two pendant pyridylmethyl groups
作者:Norbert Ehlers、Rainer Mattes
DOI:10.1016/0020-1693(95)04635-m
日期:1995.8
Abstract The complexes [ML 1 ] 2+ with Mcobalt(II), nickel(II), nickel(II) and zinc(II) and L 1 = 8,11-bis (2)-pyridylmethyl) 5,6,7,8,9,10,16,17-octahydrodibenzo [ e,m ][1,4]dithia[8,11]diazacyclotetradecine have been prepared as perchlorate salts. [CoL 1 ] 2+ and [NiL 1 ] 2+ were characterized by UV-Vis spectroscopy and cyclic voltammetry. [CoL 1 ] 2+ is stable in air. The crystal structure of [NiL
摘要配合物[ML 1] 2+与M钴(II),镍(II),镍(II)和锌(II)和L 1 = 8,11-双(2)-吡啶基甲基)5,6,已将7,8,9,10,16,17-八氢二苯并[e,m] [1,4]二硫[8,11]二氮杂环十四癸制备为高氯酸盐。[CoL 1] 2+和[NiL 1] 2+通过紫外-可见光谱和循环伏安法表征。[CoL 1] 2+在空气中稳定。[NiL 1](ClO 4)2·H 2 O的晶体结构显示扭曲的八面体几何形状,具有化学上相同的给体原子的顺式取向。配体内应变可防止短的NiS键。溶液中的[ZnL 1] 2+吸收了大气中的二氧化碳,并转化为双核络合物[(μ-CO3)(ZnL 1)2](ClO 4)2,其晶体结构也得到了阐明。位于大环外的锌原子