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Synthesis and Characteristics of 2,6-disubstituted Pyrylium Fluoroborates  

Cho, Sung-Il (Department of Chemical Engineering, University of Seoul)
Publication Information
Applied Chemistry for Engineering / v.20, no.3, 2009 , pp. 351-353 More about this Journal
Abstract
Pyrylium fluoroborates undergo a wide range of synthetically useful reactions because of the positive charge. And the electron accepting nature has resulted in their widespread use as sensitizers for photo-induced electron transfer (PET) reactions. In this experiment, 2,6-disubstituted pyrylium fluoroborates are synthesized from the reaction between $3^{\prime}$-chloroacetophenone and excess orthoformate in an acidic medium (acetic anhydride/acid). Synthesized products are confirmed by $^1H-NMR$, FT-IR and TOF Mass spectroscopies. Also, photo-properties are analyzed with an UV-Vis spectrophotometer.
Keywords
pyrylium fluoroborate; PET; cation; TOF Mass spectroscopy;
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