三氟甲磺酸硼(化学式:B(OTf)3)是硼的三氟甲磺酸盐,极易吸湿。它溶解在三氟甲磺酸中形成一种超酸体系。[1]它在100°C分解。[2]
制备
三氯化硼或三溴化硼和三氟甲磺酸在SO2ClF或1,1,2-三氯三氟乙烷(Freon-113)溶液中于−78 °C(195 K)反应得到。[2]
参考文献
- ^ Engelbrecht, A.; Tschager, E. Boron tris(trifluoromethane sulfonate), B(OSO2CF3)3, in trifluoromethane sulfonic acid - a new "super acid system"(德文). Zeitschrift fuer Anorganische und Allgemeine Chemie, 1977. 433: 19-25. DOI: 10.1002/zaac.19774330103
- ^ 2.0 2.1 Olah, George A.; Farooq, Omar; Farnia, S. M. F.; Olah, Judith A. Friedel-Crafts chemistry. 11. Boron, aluminum, and gallium tris(trifluoromethanesulfonate) (triflate): effective new Friedel-Crafts catalysts. Journal of the American Chemical Society, 1988. 110 (8): 2560-2565. DOI: 10.1021/ja00216a032