Citation: Hong-Lin LU, Jin TONG, Hong-Wei MA, Shu-Yan YU. Iodine Adsorption Studies of Dipalladium-based Supramolecular Cages[J]. Chinese Journal of Structural Chemistry, ;2021, 40(12): 1680-1686. doi: 10.14102/j.cnki.0254-5861.2011-3271 shu

Iodine Adsorption Studies of Dipalladium-based Supramolecular Cages

Hong-Lin LU ^a ,
Jin TONG ^a ,
Hong-Wei MA ^b,, ,
Shu-Yan YU ^a,,

a.
Laboratory for Self-assembly Chemistry, Department of Environment and Life, Beijing University of Technology, Beijing 100124, China
b.
Analysis and Testing Center, Beijing Institute of Technology, Beijing 102488, China

Corresponding author: Hong-Wei MA, hwma@bit.edu.cn Shu-Yan YU, selfassembly@bjut.edu.cn
Received Date: 29 May 2021
Accepted Date: 12 October 2021

Fund Project: the Beijing Natural Science Foundation of China 2212002National Natural Science Foundation of China 21906002National Natural Science Foundation of China 21471011the Beijing Municipal Science and Technology Project KM202010005010the Beijing Municipal High Level Innovative Team Building Program IDHT20180504the Beijing Outstanding Young Scientist Program BJJWZYJH01201910005017

Figures(5)

Four water-soluble cage-like hosts (1·4NO₃^-: {[(bpy)₂Pd₂]₂L₂¹}(NO₃)₄, 2·4NO₃^-: {[(bpy)₂Pd₂]₂L₂²}(NO₃)₄, 3·6NO₃^-: {[(bpy)₂Pd₂]₃L₂³}(NO₃)₆ and 4·6NO₃^-: {[(bpy)₂Pd₂]₃L₂⁴}(NO₃)₆) have been successfully self-assembled by coordinating the flexible amide based polypyrazole ligands (H₂L¹: N¹, N⁴-di(1H-pyrazol-5-yl)terephthalamide, H₂L²: N¹, N⁴-bis(3-methyl-1H-pyrazol-5-yl)-terephthalamide, H₃L³: N¹, N³, N⁵-tri(1H-pyrazol-5-yl)benzene-1, 3, 5-tricarboxamide and H₃L⁴: N¹, N³, N⁵-tris(3-methyl-1H-pyrazol-5-yl)benzene-1, 3, 5-tricarboxamide) with dipalladium corners ([(bpy)₂Pd₂(NO₃)₂](NO₃)₂, where bpy = 2, 2΄-bipyridine) in aqueous solution. Their structures were characterized by ¹H 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.
- self-assembly,
- palladium,
- cages,
- host-guest,
- iodine adsorption
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