1: iso-butyronitrile With n-butyllithium; diisopropylamine in tetrahydrofuran; hexane T=-78°C; 0.333333 h; Inert atmosphere; 2: 2,2,6,6-tetramethyl-1-piperidinyloxy, free radical With Fe(η5-C5H5)2(PF6) in tetrahydrofuran; hexane T=-78°C; Inert atmosphere;

[EMIM][I] in acetonitrile-D3; deuterated toluene T=60°C; 15 h; Schlenk techniqueInert atmosphere; Reagent/catalyst;

in toluene T=20 - 60°C; 24 h;