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Control of the stoichiometry in host-guest complexation by redox chemistry of guests: inclusion of methylviologen in cucurbit[8]uril |
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| Authors: | Jeon Woo Sung Kim Hee-Joon Lee Chongmok Kim Kimoon |
| Institution: | National Creative Research Initiative Center for Smart Supramolecules, Department of Chemistry, Division of Molecular and Life Sciences, Pohang University of Science and Technology, San 31 Hyojadong, Pohang 790-784, Republic of Korea. |
| Abstract: | The binding stoichiometry of a host-guest complex can be effectively controlled by the redox chemistry of the guest: a 1:1 inclusion complex of methylviologen dication (MV2+) in cucurbit8]uril (CB8]) converts completely and reversibly to a 2:1 inclusion complex of cation radical (MV+.) in CB8] upon the reduction of the guest. |
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