Yin-Hang Chai, Li-Long Dang*
Chin. J. Struct. Chem., 2024, 43: 100322. DOI: 10.1016/j.cjsc.2024.100322
October 15, 2024
ABSTRACT
This study reports for the first time the synthesis of homogeneous high-order metalla[4]catenane through coordination driven self-assembly strategy, and the complicated topology could be transformed into corresponding organometallic macrocyclic compound accompanied by a decrease in concentration in methanol solution. Besides, the strong interlayer π⋅⋅⋅π stacking interaction and non-classical hydrogen bonding play a crucial role in the formation and stability of metalla[4]catenane structure, which contributes to a deeper understanding of the driving forces behind the formation of molecular metalla catenanes and also has important theoretical and practical significance for promoting the development of this research system. These findings will further motivate researchers to explore the construction of mechanically interlocked supramolecular topological complexes.