Assembly of five coordination polymers based on 5,11,17,23-tetra-tert-butyl-25-(carboxymethoxy)-calix[4]arene ligand

作者: Yuanchun He , Jiao Guo , Na Xu , Yang Yu

DOI: 10.1007/S40242-017-6366-9

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摘要: Five coordination polymers, [Co(H3L)2(dib)]·1.5H2O(1), [Cu(H3L)2(dib)](2), [Co(H3L)(mtpy)]·DMF(3), [Ni(H3L)2(mtpy)(H2O)]·3DMF·H2O(4), and [Cd(H3L)2(pybim)]·1.5H2O(5), have been successfully prepared from 5,11,17,23-tetra-tert-butyl-25-(carboxymethoxy)calix[4]arene, metal salts, N-donor auxiliary ligands under hydrothermal conditions[dib=1,4-di(1H-imidazol-1-yl)butane, pybim=2-(2'-pyridyl)benzimidazole, mtpy=4'-(4- methylphenyl)-2,2':6',2''-terpyridine]. Structural analysis suggests that the ion first joins two organic carboxy-late to form independent units, which are further extended by ligand give final structure. Compounds 1 2 display 1D infinite chains bridged a flexible bidentate dib ligand. 3―5, with multidentate chelate ligands, reveal discrete 0D units. Furthermore, in compounds 3 5, supramolecular architectures exhibited due π-π interactions.

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