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 diisobutylaluminium hydride in tetrahydrofuran; hexane T=-78°C; 1.5 h; Inert atmosphere; 2: With ammonia; iodine in tetrahydrofuran; hexane; water T=0 - 20°C; Inert atmosphere;
