1: methyllithium With cerium(III) chloride in tetrahydrofuran; diethyl ether T=-76 - -60°C; 2: 2-pyridine carbonitrile in tetrahydrofuran; diethyl ether T=-76 - 15°C;

1: in toluene T=0 - 100°C; 2: With hydrogenchloride; water in toluene T=0°C; 3: With sodium hydroxide in water

1: methyllithium With cerium(III) chloride in tetrahydrofuran; diethyl ether 0.833333 h; Cooling with acetone-dry ice; 2: 2-pyridine carbonitrile in tetrahydrofuran; diethyl ether T=20°C; 5 h; Cooling with acetone-dry ice; 3: With ammonia; water in tetrahydrofuran; diethyl ether T=0°C;

trifluoroacetic acid in dichloromethane T=20°C;