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Communication | Regular issue | Vol 57, No. 5, 2002, pp.787-790
Published online, 1st January, 1970
DOI: 10.3987/COM-02-9464
Formation of Boroxine: Its Stability and Thermodynamic Parameters in Solution

Yuji Tokunaga,* Hiroki Ueno, Youji Shimomura, and Toshihiro Seo

*Fukui University, Faculty of Engineering, Faculty of Engineering, Faculty of Engineering


Condensation of three boronic acids proceeding at room temperature gave their corresponding boroxines; NMR spectral measurements revealed that the reaction was reversible at room temperature, that electron-donating groups supported the formation of boroxine, and that entropically driven forces promoted the formation of boroxine in solution.