in sulfolane byproducts: perfluorochloropyridine; 225 - 235 °C, 2 - 8 h, in presence of 1 - 7 percent alcohol (CH3OH or C2H5OH or C3H7OH or (CH2OH)2 or glycerol or pentaerythrit);;
参考文献
Imperial Chemical Industries Ltd.
Patent: DE2128540 , 1971 ;
C.A., 1972 , vol. 76, p. 59469
cesium fluoride in N,N-dimethyl-formamide T=80°C; 9 h; other reagents; Product distribution;
参考文献
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 33, p. 1975
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 9 p. 2158 - 2159
in sulfolane Fluorination at 215 °C (4.5 h) in sulfolane (containing 0.6 vol-percent H2O) gives a turnover of 95.8 percent, product ratio 2-F-C5Cl4N/3-Cl-C5F4N/3,5-Cl2-C5F3N = 3/6/91;;
