Angewandte Chemie - International Edition
Angewandte Chemie - International Edition
5 years ago

Dynamic Interconversion between Boroxine Cages Based on Pyridine Ligation

Dynamic Interconversion between Boroxine Cages Based on Pyridine Ligation
Nobuharu Iwasawa, Nobuhiro Yasuda, Shunsuke Shimo, Hidehiro Uekusa, Kosuke Ono, Kohei Takahashi
The dynamic interconversion of large covalent organic cages was achieved simply by heating or acid/base treatment. In their Communication (DOI: 10.1002/anie.201713221), N. Iwasawa and co-workers show that a mixture of the boroxine cages 12-mer and 15-mer was cleanly converted into a pyridine adduct of the boroxine cage 9-mer upon treatment with pyridine, and the geometry of N-coordinated boron atoms changed from trigonal to tetrahedral. This is the first covalent organic cage molecule that undergoes a reversible transformation between different cage structures.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/anie.201801720

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