1. Synthesis of the fluorinated ethers, "perfluoroglyme" and "perfluorodiglyme" by direct fluorination
2. J. H. Prager, US Patent 3455954 (1969).
3. Direct fluorination of γ-butyrolactone
4. M. Takehara, S. Watanabe, M. Oshima, N. Nanbu, M. Ue, Y. Sasaki, Solid State Ionics, in press.
5. DFDMC, CIMS: 127 [M + H]+, EIMS: 77 [M–OCH2F]+ (15.74), 33 [M–OCOOCH2F]+ (100), MFDMC, CIMS: 109 [M + H]+, EIMS: 77 [M–OCH3]+ (4.33), 59 [M–OCH2F]+ (84.25), 33 [M–OCOOCH3]+ (100), gem-DFDMC, CIMS: 127 [M + H]+, EIMS: 95 [M–OCH3]+ (2.38), 59 [M–OCHF2]+ (30), 51 [M–OCOOCH3]+ (100), 31 [M–COOCHF2]+ (30.95), TFDMC, GCCI: 145 [M + H]+, GCEI: 33 [M–OCOOCHF2]+ (46.27), 51 [M–OCOOCH2F]+ (100), 77 [M–OCHF2]+ (7.05), 95 [M–OCH2F]+ (3.52).