Four water-soluble cage-like hosts(1·4NO3^(-)_(2):{[(bpy)_(2)Pd_(2)]_(2)L^(1)_(2)}(NO_(3))_(4),2·4NO3^(-)_(2):{[(bpy)_(2)Pd_(2)]_(2)L^(2)_(2)}(NO_(3))_(4),3·6NO3^(-)_(2):{[(bpy)_(2)Pd_(2)]_(3)L^(3)_(2)}...Four water-soluble cage-like hosts(1·4NO3^(-)_(2):{[(bpy)_(2)Pd_(2)]_(2)L^(1)_(2)}(NO_(3))_(4),2·4NO3^(-)_(2):{[(bpy)_(2)Pd_(2)]_(2)L^(2)_(2)}(NO_(3))_(4),3·6NO3^(-)_(2):{[(bpy)_(2)Pd_(2)]_(3)L^(3)_(2)}(NO_(3))_(6)and 4·6NO3^(-)_(2):{[(bpy)_(2)Pd_(2)]_(3)L^(4)_(2)}(NO_(3))_(6)have been successfully self-assembled by coordinating the flexible amide based polypyrazole ligands(H_(2)L^(1):N^(1),N^(4)-di(lH-pyrazol-5-yl)terephthalamide,H_(2)L^(2):N^(1),N^(4)-bis(3-methyl-1H-pyrazol-5-yl)-terephthalamide,H_(3)L^(4):N^(1),N^(3),N^(5)-tri(1H-pyrazol-5-yl)benzene-1,3,5-tricarboxamide and H^(3)L^(4):N^(1),N^(3),N^(5)-tris(3-methyl-lH-pyrazol-5-yl)benzene-1,3,5-tricarboxamide)with dipalladium comers([(bpy)_(2)Pd_(2)(N0_(3))_(2)](N0_(3))_(2),where bpy=2,2'-bipyridine)in aqueous solution.Their structures were characterized by^(1)H NMR,ESI-MS and single-crystal X-ray diffraction.Notably,all the four supramolecular assemblies are capable of adsorbing iodine molecules via halogen bonds and other supramolecular interactions.展开更多
基金This work was supported by the Beijing Natural Science Foundation of China(2212002)National Natural Science Foundation of China(21906002,21471011)+1 种基金the Beijing Municipal Science and Technology Project(KM202010005010)the Beijing Municipal High Level Innovat。
文摘Four water-soluble cage-like hosts(1·4NO3^(-)_(2):{[(bpy)_(2)Pd_(2)]_(2)L^(1)_(2)}(NO_(3))_(4),2·4NO3^(-)_(2):{[(bpy)_(2)Pd_(2)]_(2)L^(2)_(2)}(NO_(3))_(4),3·6NO3^(-)_(2):{[(bpy)_(2)Pd_(2)]_(3)L^(3)_(2)}(NO_(3))_(6)and 4·6NO3^(-)_(2):{[(bpy)_(2)Pd_(2)]_(3)L^(4)_(2)}(NO_(3))_(6)have been successfully self-assembled by coordinating the flexible amide based polypyrazole ligands(H_(2)L^(1):N^(1),N^(4)-di(lH-pyrazol-5-yl)terephthalamide,H_(2)L^(2):N^(1),N^(4)-bis(3-methyl-1H-pyrazol-5-yl)-terephthalamide,H_(3)L^(4):N^(1),N^(3),N^(5)-tri(1H-pyrazol-5-yl)benzene-1,3,5-tricarboxamide and H^(3)L^(4):N^(1),N^(3),N^(5)-tris(3-methyl-lH-pyrazol-5-yl)benzene-1,3,5-tricarboxamide)with dipalladium comers([(bpy)_(2)Pd_(2)(N0_(3))_(2)](N0_(3))_(2),where bpy=2,2'-bipyridine)in aqueous solution.Their structures were characterized by^(1)H NMR,ESI-MS and single-crystal X-ray diffraction.Notably,all the four supramolecular assemblies are capable of adsorbing iodine molecules via halogen bonds and other supramolecular interactions.
