Oxonium and sulfonium salts

Details Oxonium and sulfonium salts Oxonium and sulfonium salts

C - Chemistry, Metallurgy

07

F

C07F 5/02 (2006.01) B01J 31/02 (2006.01) C07C 311/48 (2006.01) C07C 381/12 (2006.01) C07F 9/52 (2006.01)

Patent

CA 2641288

The invention relates to oxonium salts with [(Ro)3O]+ cations and sulfonium salts with [(Ro)3S]+ cations, wherein Ro represents straight-chain or branched alkyl groups with 1-8 C atoms or unsubstituted phenyl or phenyl that is substituted with Ro, ORo, N(Ro)2, CN or halogen, and anions that are selected from the group of [PFx(CyF2y+1-zHz)6-x]- anions with 2<=x<=5, 1<=y<=8 and 0<=z<=2y+1, or anions selected from the group of [BFn(CN)4-n]- anions with n = 0, 1 , 2 or 3, or anions selected from the group of [(Rf1SO2)2N]- anions or anions selected from the group of [BFwRf2 4-w]- anions. The invention also relates to a method for producing said salts, and to their use, especially in the production of ionic liquids.

L'invention concerne des sels d'oxonium comportant des cations [(Ro)3O]+ et des sels de sulfonium comportant des cations [(Ro)3S]+, Ro signifiant des groupes alkyle linéaires ou ramifiés dotés de 1-8 atomes C ou bien phényle non substitué ou substitué par Ro, ORo, N(Ro)2, CN ou halogène, et des anions sélectionnés dans le groupe composé d'anions [PFx(CyF2y+1-zHz)6-x]- sachant que 2<=x<=5, 1<=y<=8 et 0<=z<=2y+1, ou des anions sélectionnés dans le groupe composé d'anions [BFn(CN)4-n]- sachant que n = 0, 1 , 2 ou 3, ou bien des anions sélectionnés dans le groupe composé d'anions [(Rf1SO2)2N]- ou bien encore des anions sélectionnés dans le groupe composé d'anions [BFwRf2 4-w]-. L'invention porte aussi sur des procédés pour produire ces sels, sur leur utilisation, notamment pour produire des liquides ioniques.

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