In Situ Construction of Three Anion-Dependent Cu(I) Coordination Networks as Promising Heterogeneous Catalysts for Azide–Alkyne “Click” Reactions
作者:Zhenghu Xu、Lu−Lu Han、Gui−Lin Zhuang、Jing Bai、Di Sun
DOI:10.1021/acs.inorgchem.5b00110
日期:2015.5.18
Three Cu(I) coordination networks, namely, [Cu2(bpz)2(CN)X]·CH3CN}n, (X = Cl, 1; I, 3), [Cu6(bpz)6(CH3CN)3(CN)3Br]·2OH·14CH3CN}n, (2, bpz = 3,3′,5,5′-tetramethyl-4,4′-bipyrazole), were prepared by using solvothermal method. The cyanide ligands in these networks were generated in situ by cleavage of C–C bond of MeCN under solvothermal condition. The structures of these networks are dependent on halogen
三个Cu(I)配位网络,即[Cu 2(bpz)2(CN)X]·CH 3 CN} n,(X = Cl,1 ; I,3),[Cu 6(bpz)6通过使用以下方法制备(CH 3 CN)3(CN)3 Br]·2OH·14CH 3 CN} n,(2,bpz = 3,3′,5,5′-四甲基-4,4′-联吡唑)。溶剂热法。这些网络中的氰化物配体是通过在溶剂热条件下裂解MeCN的C–C键原位生成的。这些网络的结构取决于卤素阴离子。复数1是具有μ的梯形结构2 -CN -作为梯级和μ 2 -bpz作为扶手。Cl – in 1位于终端位置,但不会将一维(1D)梯形图扩展到更高的维度。复杂2是一个三维(3D)框架包括新颖的平面[铜的3 BR]三角和单铜节点,其通过延伸μ 2 -bpz和μ 2 -CN -以形成一个新的(3,9) -已连接的gfy网络。密度泛函理论计算表明,Br原子的单电子离域诱导了[Cu 3