... triflate (10-20 mmol) was added dropwise to a stirred, equimolar solution of KI or KOCF(CF3)2 [prepared from (CF3)2C=O and KF] in diglyme at 0 °C at a rate sufficient to keep the temperature below 25 °C. After 1 h at ... I(.A. Petrov / Journal of Fluorine Chemistry 73 (1995) ...