| abstract |
The invention discloses certain fluoro and chloro cyano compounds of the 15th group of the periodic table with 1 to 5 cyano residues, represented by formula (I), by a reaction using trimethylsilylcyanide, a method for their preparation; the compounds are used as ionic liquids; [Cat n+ ] [(Z 1 (Q 1 ) 6-m (CN) m ) - ] n (I) Cat n+ is a cation, Z 1 is P, As, Sb or Bi, Q 1 is fluoro or chloro, m is 1, 2, 3 or 5 and n is 1, 2, 3 or 4. |