The first method for cyanosilylation of aldehydes with trimethylsilyl cyanide in the presence of the N-heterocyclic carbene prepared from 1,3-bis(2,4,6-trimethylphenyl)imidazolium chloride and potassium tert-butoxide, as a nucleophilic catalyst, is described.
N-heterocyclic carbene - cyanosilylation - nucleophilic catalyst - imidazolium salt - trimethylsilyl cyanide