abstract |
The invention discloses a method for preparation of cyano compounds of the 13th group of the periodic table with 1, 2, 3 or 4 cyano residues, represented by formula (I): [Cat n+ ][Z 1 F 4-m (CN) m ) − ] n by a reaction of [(Z 1 F 4 ) − ] with trimethylsilylcyanide in the presence of a Lewis acid and in the presence of the cation Cat n+ ; Cat 2+ is a cation, Z 1 is B, Al, Ga, In or Tl, m is 1, 2, 3 or 4 and n is 1, 2, 3 or 4. |