1: butan-1-ol With sodium azide; tetra-(n-butyl)ammonium iodide; triethylamine; 1-(toluene-p-sulphonyl)imidazole in N,N-dimethyl-formamide T=80°C; 10 h; 2: 3-Oxo-3-phenylpropanenitrile With potassium hydroxide in dimethyl sulfoxide; N,N-dimethyl-formamide T=20 - 80°C; 12 h;

in toluene Heating;