Method for fluorinating a compound comprising a...

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing

Reexamination Certificate

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C564S080000, C568S030000

Reexamination Certificate

active

10451920

ABSTRACT:
The invention relates to a fluorination process for producing fluorinated compounds.The process consists in reacting a compound (I) corresponding to the formulawith an ionic fluoride of a monovalent cation. M represents H, an alkali metal, a quaternary phosphonium group or a quaternary ammonium group. Y represents SO2and m is 1, or else Y is PO and m is 2. Z represents CR2, N or P. R1represents an electron-withdrawing group which has a Hammet σPparameter of greater than 0.4. R2represents a carbonaceous and/or electron-withdrawing group. X represents a halogen other than a fluorine.The fluorinated compounds obtained are of use in particular as electrolytes in lithium batteries.

REFERENCES:
Burkhard et al., Inorganic Chemistry (1998), 37(24), 6295-6303.
Ruff et al., “Imidodisulfuryl fluoride, cesium imidodisulfuryl fluoride and fluoroimidodisulfuryl fluoride”, Inorganic Synthesis, vol. 11, 1968, pp. 138-143, XP001027947.
Appel et al., “Die synthese des imidobisschwefelsaurefluorids, HN(SO2F)2”, Chem. Ber., vol. 95, 1962, pp. 246-248, XP002179138.
Barbour, et al., “The preparation of organic fluorine compounds by halogen exchange”, Advances in Fluorine Chemistry, XX, XX, vol. 3, 1963, pp. 181-250, XP001027931.
Sartori et al., “Elektrochemische Perfluorierung mit Mehrkomponenten-Elektrolyten”, Dechema Monographien: Electrochemische Stoffgewinnung-Grundlagen und Verfahrenstechnik, vol. 125, 1992, pp. 233-242, XP001028663.

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