%0 Journal Article %A Roscales García, Silvia %A García Csaky, Aurelio %T Metal-free ring-opening of epoxides with potassium trifluoroborates %D 2014 %U https://hdl.handle.net/20.500.14352/116170 %X The ring-opening of epoxides with potassium trifluoroborates proceeds smoothly in the presence of trifluoroacetic anhydride under metal-free conditions. The reactions are regioselective and afford a single diastereomer. Both electron-rich and electron-poor aryltrifluoroborates are tolerated. %~