Synthesis and reversible thermo-induced conformational transitions of a stable nitroxide biradical based on calix[4]arene |
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| Authors: | Wang Qi Li Yong Wu Guo-shi |
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| Institution: | Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China. |
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| Abstract: | A stable paramagnetic calix4]arene(III) bearing two nitroxide groups on the upper rim is synthesized, which exhibits a strong intramolecular spin-spin exchange interaction and is found to be able to undergo reversible conformational transitions upon heating. |
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