1: With lithium diisopropyl amide in tetrahydrofuran; n-heptane; ethylbenzene T=0°C; 1.5 h; 2: With N-fluoro-N-(phenylsulfonyl)benzene-sulfonamide in tetrahydrofuran; n-heptane; ethylbenzene T=0 - 20°C; 18.5 h;

hydrogenchloride in 1,4-dioxane T=20°C; 0.5 h; Cooling with ice;

1: With lithium aluminium tetrahydride in tetrahydrofuran T=0°C; 0.166667 h; 2: With sodium hydroxide; water in tetrahydrofuran; diethyl ether T=20°C;

ammonia in methanol

lithium hydroxide; water in tetrahydrofuran; methanol T=45°C; 6 h;