1: With 2,2,6,6-tetramethyl-1-piperidinyloxy, free radical; tert-butylhypochlorite in dichloromethane T=20°C; 1 h; Inert atmosphere; 2: With ammonia; iodine in dichloromethane; water T=20°C; 2 h; Inert atmosphere;
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 isopropylmagnesium chloride; lithium chloride in tetrahydrofuran T=-15°C; 0.25 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;
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;