Synthesis, Isolation, and Identification of Translationally Isomeric [3]Catenanes


  • This work was supported by the Deutsche Forschungsgemeinschaft and the Fonds der Chemischen Industrie.


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A new type of isomerism has been observed in compounds made up of three rings, in which the central ring contains two bulky groups: the lateral rings are either arranged next to each other [Type (1)] or are separated by the bulky groups.