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Iridium(I) and Rhodium(I) Cationic Complexes with Triphosphinocalix[6]arene Ligands:  Dynamic Motion with Size-Selective Molecular Encapsulation

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journal contribution
posted on 03.01.2005, 00:00 by Yasushi Obora, Yun Kui Liu, Li Hong Jiang, Kazuhiro Takenaka, Makoto Tokunaga, Yasushi Tsuji
A novel capsule-shaped Ir(I) and Rh(I) cationic complexes with a triphosphinocalix[6]arene as a ligand were synthesized. These complexes showed dynamic behavior with size-selective molecular encapsulation, which was confirmed by variable-temperature 31P{1H} NMR measurement in the presence of various molecules.