N-ethyl-N,N-diisopropylamine in dichloromethane T=25°C; 9 h;

1: heptan-2-one With gallium trifluoromethanesulfonate; ammonia in dichloromethane T=-78°C; 3 h; Inert atmosphere; 2: hydrogen cyanide in dichloromethane T=-78 - 25°C; Inert atmosphere; 3: carbon dioxide With N-ethyl-N,N-diisopropylamine in dichloromethane T=25°C; 7 h; Inert atmosphere;

1: n-capronitrile; methyllithium in tetrahydrofuran T=0°C; 0.5 h; 2: (NH4)2CO3 With potassium cyanide in tetrahydrofuran; ethanol; water T=75°C; 24 h;

1: n-butyl-magnesium chloride; N-benzyl-2-methylene-aziridine With copper(l) iodide in tetrahydrofuran T=-30 - 20°C; 18 h; 2: potassium cyanide; (NH4)2CO3 in tetrahydrofuran; ethanol; water T=75°C; 24 h;

potassium cyanide; ethanol; (NH4)2CO3

barium dihydroxide