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设计合成的质子配体,N,N,N’,N’-四(对甲基苄基)乙二胺(SL1)和N,N,N’,N’-四苄基乙二胺(SL2),是连有大体积取代基团的含N双齿配体,它可通过二次球形配位,与第一络合物[CuCl4]2-形成层间隧道框架结构.环戊醇分子和乙醇分子分别被填入由SL1和SL2构筑的隧道中,形成包结化合物.晶体结构分析结果表明,这样的配体易于与指导基团通过NH+…Cl-氢键作用进行双齿配位并形成1D带和2D层结构;SL12D层间的苄基呈平行堆砌,形成1D亲水性隧道框架,SL22D层间的苄基呈交错堆砌,形成了1D疏水性隧道框架.实验结果表明,层间隧道框架结构的孔径及极性与第二配体的分子长度、指导基团的构型以及客体分子的形状大小有关.
The synthesis of proton ligands N, N, N ’, N’-tetrakis (p-methylbenzyl) ethylenediamine (SL1) and N, N, N’, N’-tetrabenzyl ethylenediamine ) Is a bidentate N-containing ligand with a large number of substituent groups, which can form an interlayer tunnel structure with the first complex [CuCl4] 2- by double sphere coordination. The cyclopentanol molecules and Ethanol molecules were filled into tunnels constructed by SL1 and SL2, respectively, to form inclusion compounds.The results of crystal structure analysis showed that such ligands easily formed bidentate coordination with guiding groups via NH + ... Cl- hydrogen bonding 1D band and 2D layer structure.The benzyl groups between SL12D layers were stacked in parallel to form a 1D hydrophilic tunnel framework.The benzyl groups between SL22D layers were staggered and stacked to form a 1D hydrophobic tunnel framework.The experimental results show that the interlayer tunnel The pore size and polarity of the framework structure are related to the molecular length of the second ligand, the configuration of the director group, and the size of the guest molecule.