Metallomacrocycle or coordination polymer: Spacer-directed self-assembly of transition-metal complexes based on flexible bis(benzotriazole) ligands
作者:Xiao-Liang Tang、Wei Dou、Ji-an Zhou、Guo-Lin Zhang、Wei-Sheng Liu、Li-Zi Yang、Yong-Liang Shao
DOI:10.1039/c0ce00847h
日期:——
bis(benzotriazole) ligands, 1,2-bis(benzotriazol-1-yl)ethane (L11), 1,5-bis(benzotriazol-1-yl)-3-oxapentane (L22) and 1,8-bis(benzotriazol-1-yl)-3,6-dioxaoctane (L33), have been synthesized. They were reacted with AgNO3 and CuCl2·2H2O at room temperature, resulting in the formation of six novel complexes: [AgL11(NO3)(CH3CN)]}n (1), [Ag2(L22)3](NO3)2 (2), [Ag2(L33)2(NO3)2]}n (3), [CuL11Cl2]}n (4), [Cu2(L22)2Cl4]
三个结构相关的柔性双(苯并三唑)配体,1,2-双(苯并三唑-1-基)乙烷(L 1 1),1,5-双(苯并三唑-1-基)-3-氧戊烷(L 2 2)合成了1,8-双(苯并三唑-1-基)-3,6-二氧杂辛烷(L 3 3)。它们在室温下与AgNO 3和CuCl 2 ·2H 2 O反应,导致形成六个新的络合物:[Ag L 1 1(NO 3)(CH 3 CN)]} n(1),[Ag 2(L 2 2)3 ](NO 3)2(2),[Ag 2(L 3 3)2(NO 3)2 ]} n(3),[Cu L 1 1 Cl 2 ]} n(4),[ Cu 2(L 2 2)2 Cl 4 ](5)和[Cu 2(L 3 3)2 Cl 4(DMF)2](6)。所有配合物均已通过X射线衍射分析进行了表征。在图1和图4中,它们表现出相似的配位模式,其中每个配体连接两个金属离子以形成一维非线性配位聚合物链。在图2中,两个Ag