1: With sodium diisobutyl-tert-butoxyaluminium hydride in tetrahydrofuran T=0°C; 4 h; Inert atmosphere; 2: With ammonia; iodine in tetrahydrofuran; water T=0 - 20°C; 3 h;
1: With magnesium in tetrahydrofuran T=20°C; 2 h; 2: With N,N-dimethyl-formamide in tetrahydrofuran T=0°C; 2 h; 3: With ammonia; iodine in tetrahydrofuran; water T=20°C; 2 h;
