1: With diisobutylaluminium hydride in tetrahydrofuran; hexane T=-78 - -40°C; Inert atmosphere; 2: With ammonia; iodine in tetrahydrofuran; hexane; water T=0 - 20°C; Inert atmosphere;
1: With sodium diisobutyl-tert-butoxyaluminium hydride in tetrahydrofuran T=0°C; 2 h; Inert atmosphere; 2: With 1,3-Diiodo-5,5-dimethyl-2,4-imidazolidinedione; ammonia in tetrahydrofuran; water T=0 - 20°C; 3 h;
