1: methyllithium With cerium(III) chloride in tetrahydrofuran T=-78 - -50°C; Inert atmosphere; 2: naphthalenyl-1-carbonitrile in tetrahydrofuran T=23°C; 2 h; Inert atmosphere; 3: With ammonium hydroxide in tetrahydrofuran T=-78 - 23°C;

cerium(III) chloride 1) THF, -65 deg C, 30 min, 2) THF, 25 deg C, 2 h; Yield given. Multistep reaction;