Selective synthesis of a [3]rotaxane consisting of size-complementary components and its stepwise deslippage |
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| Authors: | Akae Yosuke Okamura Hisashi Koyama Yasuhito Arai Takayuki Takata Toshikazu |
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| Institution: | Department of Organic and Polymeric Materials, Tokyo Institute of Technology, 2-12-1 (H-126), Ookayama, Meguro, Tokyo 152-8552, Japan. |
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| Abstract: | An α-cyclodextrin-based size-complementary 3]rotaxane with an alkylene axle was selectively synthesized in one pot via an end-capping reaction with 2-bromophenyl isocyanate in water. Thermal degradation of the 3]rotaxane product yielded not only the original components but also the 2]rotaxane. Thermodynamic studies suggested a stepwise deslippage process. |
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