Cage-like tris(salen)-type metallocryptand for cooperative guest recognition |
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| Authors: | Shigehisa Akine Shunjin Piao Masato Miyashita Tatsuya Nabeshima |
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| Institution: | 1. Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan;2. Tsukuba Research Center for Interdisciplinary Materials Science (TIMS), University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan |
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| Abstract: | A new cryptand-like tris(salen)-type ligand, H6L, was synthesized. Metalation of this ligand with zinc(II) acetate gave a trinuclear metallohost LZn3] with a cage-like cavity surrounded by three metallosalen moieties. The metallohost LZn3] showed unique binding behavior to MOAc (M = Na, K, Rb, Cs) as an ion pair due to the cage-like cavity for cationic guests as well as the zinc(II) centers for anionic guests. |
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| Keywords: | Cryptand Molecular recognition Host&ndash guest complex Salen Zinc complex |
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