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Self-Assembly of Nanometer-Sized Boroxine Cages from Diboronic Acids
Kosuke Ono, Kohei Johmoto, Nobuhiro Yasuda1
1∥Japan Synchrotron Radiation Research Institute/SPring-8, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198, Japan.
Journal of the American Chemical Society
|May 19, 2015
Abstract:
By use of the reversible trimerization of boronic acids, the series of boroxine cages 3-mer, 6-mer, and 12-mer were constructed from rationally designed diboronic acids whose bond angles between two C-B bonds are 60°, 84°, and 117°, respectively. Boroxine cages 6-mer and 12-mer have 1.5 and 2.5 nm sized cavities, respectively.
