Triggering a [2]rotaxane molecular shuttle through hydrogen sulfide |
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| Authors: | Shun Yang Zhoulin Luan Chuan Gao Jingjing Yu Dahui Qu |
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| Institution: | 1.Key Laboratory for Advanced Materials and Institute of Fine Chemicals,East China University of Science and Technology,Shanghai,China |
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| Abstract: | A novel chemically-controlled 2]rotaxane molecular shuttle was successfully designed and synthesized. A H2S-responsive bulk barrier was introduced between the two identical recognition stations of the 2]rotaxane to prevent dynamic shuttling of the macrocycle. Upon addition of H2S, the complete intramolecular cascade reaction occurs in a controllable manner, resulting in removal of the bulk barrier and the shuttling motion of the macrocycle between the two stations recovers. |
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