Journal
CHINESE CHEMICAL LETTERS
Volume 32, Issue 6, Pages 1911-1914Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cclet.2021.01.052
Keywords
Self-assembly; Terpyridine; Supramolecular transformation; Metal-organic ligand; Metalla-cage
Categories
Funding
- National Natural Science Foundation of China [21971257]
- Ministry of Science and Technology of Taiwan [MOST106-2628-M-002-007-MY3]
- Modern Analysis and Testing Center of Central South University of China
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Different 3D supramolecular architectures were formed by the reaction of metallo-organic ligands, with the structure variation determined by the position of the bisterpyridines in the ligand.
The reaction of a metallo-organic ligand (LA) in which two V-shaped bisterpyridines attaching to meta-position of X-shaped tetraterpyridine via connectivity and Zn2+ ions gave rise to 3D supramolecular architectures: octagram (Zn(8)LA(4)). However, a position varied ligand (LB) in which two V-shaped bisterpyridines locating at the ortho-position of X-shaped tetraterpyridine afforded a different 3D hexagram (Zn6LB3). Full characterizations included NMR (H-1, C-13, 2D COSY, NOESY and DOSY), ESI-MS, TWIM-MS, TEM and AFM. The resulted structures were directly determined by the position of two V-shaped bisterpyridines attaching to X-shaped tetraterpyridine. (C) 2021 Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences. Published by Elsevier B.V. All rights reserved.
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