1: 1-nonyl bromide With magnesium in tetrahydrofuran 1.5 h; Reflux; 2: N-methoxy-N-methyldecanamide in tetrahydrofuran T=20°C; 0.5 h;

in tetrahydrofuran T=0°C; Inert atmosphere;

Multi-step reaction with 2 steps 1: 2,2,6,6-tetramethyl-1-piperidinyloxy, free radical; pyridine; tert-butylhypochlorite / acetonitrile / 0 - 25 °C / |Inert atmosphere2: acetonitrile / |Inert atmosphere