Substituent-dependent coordination modes of 1-methyl-5-R-tetrazoles in their cupric chloride complexes
作者:Sergei V. Voitekhovich、Alexander S. Lyakhov、Vadim E. Matulis、Ludmila S. Ivashkevich、Oleg A. Ivashkevich
DOI:10.1016/j.poly.2019.01.009
日期:2019.4
Abstract A series of cupric chloride complexes with 1-methyl-5-R-tetrazole ligands, where R = NH2, t-Bu, Ph, MeS, CH CH2, MeSO2, were synthesized by interaction of CuCl2·2H2O with the above ligands LNH2, LtBu, LPh, LMeS, LVin, and LMeSO2, respectively. The obtained complexes [Cu(LNH2)3Cl2]·H2O (1), [Cu(LtBu)2Cl2] (2), [Cu(LPh)2Cl2] (3), [Cu(LMeS)2Cl2] (4), [Cu(LVin)Cl2]n (5), and [Cu(LMeSO2)(H2O)Cl2]n
摘要通过CuCl2·2H2O与上述配体LNH2的相互作用,合成了一系列具有1-甲基-5-R-四唑配体的氯化铜配合物,其中R = NH2,t-Bu,Ph,MeS,CH CH2,MeSO2 ,LtBu,LPh,LMeS,LVin和LMeSO2。获得的配合物[Cu(LNH2)3Cl2]·H2O(1),[Cu(LtBu)2Cl2](2),[Cu(LPh)2Cl2](3),[Cu(LMeS)2Cl2](4),[通过单晶X射线分析表征了Cu(LVin)Cl 2] n(5)和[Cu(LMeSO 2)(H 2 O)Cl 2] n(6)。观察到C5-取代基对四唑配体配位方式和配合物结构基序的影响。配合物1-4为单核,具有四唑环N4配位。配合物5呈现一维配位聚合物,其形成是以两个相邻铜(II)阳离子之间的三桥(双氯桥和四唑环N3,N4-桥)为代价的。在6 作为一维配位聚合物,配位链由交替的Cu(LMeSO2)