1: 1,1-dimethyl-2-(1-phenylethylidene)hydrazine With lithium diisopropyl amide in tetrahydrofuran T=0°C; 5.25 h; Inert atmosphere; 2: 2-methyl-1-bromopropane in tetrahydrofuran T=-78 - 20°C; Inert atmosphere; 3: With sulfuric acid; water in diethyl ether 0.5 h; Cooling with ice;
Jeffery, James E.; Kerrigan, Frank; Miller, Thomas K.; Smith, Graham J.; Tometzki, Gerald B.
Journal of the Chemical Society - Perkin Transactions 1, 1996 , # 21 p. 2583 - 2589