Integrative self-sorting: construction of a cascade-stoppered hetero[3]rotaxane |
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Authors: | Jiang Wei Winkler Henrik D F Schalley Christoph A |
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Institution: | Institut für Chemie und Biochemie, Freie Universit?t Berlin, Takustrasse 3, 14195 Berlin, Germany. |
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Abstract: | In this Communication, a competing self-sorting system containing benzo-21-crown-7, dibenzo-24-crown-8 and two secondary ammonium salts is constructed, which is then modified to achieve a hetero3]pseudorotaxane with a specific sequence of wheels. With these two systems, we successfully demonstrate the concept of integrative self-sorting, and their relation. Furthermore, based on this self-sorting scheme, a hetero3]rotaxane with an efficient stopper cascade has been synthesized. |
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