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Dimere, trimere und tetramere …︁…︁ cyclische [2]Catenane werden mithilfe eines Natriumions als Templat in einer Eintopfreaktion aus einem Diamin und einem Tetraaldehyd erhalten. In der Zuschrift auf S. 11911 ff. beschreiben S.‐H. Chiu et al. die Isolierung und Charakterisierung dieser oligomeren cyclischen [2]Catenane als stabile, kovalent gebundene Verbindungen nach Reduktion und Methylierung.
Dimeric, trimeric, and tetrameric cyclic [2]catenanes have been prepared directly through one‐pot sodium‐ion‐templated dynamic imine formation from a diamine and a tetraaldehyde. NaBH4 mediated reduction of the labile imino bonds of these cyclic [2]catenane oligomers, followed by methylation of the resulting secondary amino groups enabled the isolation and characterization of oligomeric cyclic [2]catenanes...
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