... MS of 7: m/e 324 (M + -F), 305, 271, 243, 224, 159. 16. ... Transl. (1978), p. 1038 and references cited therein. JR Smith, DM Lemal; J. Fluorine Chem., 97 (1999), p. 145 Loss of a fluoride ion, the initial step of the hydrolysis, is assisted by hydrogen bonding to water. 18. ... 21. T. Martini, C. Schumann; 19 F NMR of 13: −48.8 (3F, gem CF 3 ), −54.1 (3F, gem CF 3 ), −80.3 (3F, C5), −115.9 ppm (2F, C4); of 14: −62.7 (6F, gem CF 3 ′s), −81.1 (3F, C5), −121.8 ppm (2F, C4). ...