Patent ID: 7378194

Claim:
A medium for chemical or electrochemical reactions involving soluble species present in said medium, comprising: at least one ionic compound comprising a cation of the onium type having at least one heteroatom selected from the group consisting of N, O, S and P carrying a positive charge; and an anion including, in whole or in part, at least one imide ion of the type (FX 1 O)N—(OX 2 F) wherein X 1 and X 2 are the same or different and comprise SO or PF, wherein the cation comprises a compound selected from the group consisting of: a) a compound of the formula: wherein W is O, S or N; wherein R 1 and R 4 are the same or different and represent H, alkyl alkenyl, oxaalkyl, oxaalkenyl azaalkyl, azaalkenyl, thiaalkyl, thiaalkenyl, dialkylazo, cyclic or heterocyclic aliphatic radicals of from 4 to 26 carbon atoms, or groups comprising several aromatic or heterocyclic nuclei; and wherein R 2 represents R 1 , R 1 O—, (R 1 ) 2 N—, or R 1 S—; b) a compound of the formula: wherein W is O, S or N; wherein R 1 and R 4 are the same or different and represent H, alkyl, alkenyl, oxaalkyl, oxaalkenyl, azaalkyl, azaalkenyl, thiaalky thiaalkenyl, dialkylazo, cyclic or heterocyclic aliphatic radicals of from 4 to 26 carbon atoms, or groups comprising several aromatic or heterocyclic nuclei; and wherein R 2 represents R 1 , R 1 O—, (R 1 ) 2 N—, or R 1 S—; c) a compound of the formula: wherein W is O, S or N; wherein R 1 and R 3 are the same or different and represent H, alkyl, alkenyl, oxaalkyl, oxaalkenyl, azaalkyl, azaalkenyl, thiaalkyl, thiaallcenyl, dialkylazo, cyclic or heterocyclic aliphatic radicals of from 4 to 26 carbon atoms, or groups comprising several aromatic or heterocyclic nuclei; and wherein R 2 represents R 1 , R 1 O—, (R 1 ) 2 N—, or R 1 S—; d) a compound of the formula: wherein R 1 represents H, alkyl, alkenyl, oxaalkyl, oxaalkenyl, azaalkyl, azaalkenyl, thiaalkyl, thiaalkenyl, dialkylazo, cyclic or a heterocyclic aliphatic radical of from 4 to 26 carbon atoms, or a group comprising several aromatic or heterocyclic nuclei; and wherein R 2 , R 5 and R 6 are the same or different and represent R 1 , R 1 O—, (R 1 ) 2 N—, or R 1 S—; e) a compound of the formula: wherein R 1 and R 3 are the same or different and represent H, alkyl, alkenyl, oxaalky oxaalkenyl, azaalkyl, azaallkenyl, thiaalkenyl, dialkylazo, cyclic or a heterocyclic aliphatic radicals of from 4 to 26 carbon atoms, or groups comprising several aromatic or heterocyclic nuclei; and wherein R 2 represents R 1 , R 1 O—, (R 1 ) 2 N—, or R 1 S—; and f) a compound of the formula: wherein R 1 represents H, alkyl, alkenyl, oxaaalkyl, oxaalkenyl, azaalkyl, azaalkenyl, thiaalkyl, thiaalkenyl, dialkylazo, cyclic or a heterocyclic aliphatic radical of from 4 to 26 carbon atoms, or a group comprising several aromatic or heterocyclic nuclei; and wherein R 2 and R 5 to R 9 are the same or different and represent R 1 , R 1 O—, (R 1 ) 2 N—, or R 1 S—.