1: p-toluidine With n-butyllithium; ZnCl2*TMEDA in tetrahydrofuran; hexane T=0 - 20°C; 0.5 h; Inert atmosphereSchlenk technique; 2: [4-(N,N-dimethylamino)-phenyl]-magnesium bromide With N,N'-dimethyl-N,N'-propyleneurea; bis(acetylacetonate)nickel(II); 1,2-dichloro-2-methylpropane in tetrahydrofuran; hexane T=0 - 20°C; 3 h; Inert atmosphereSchlenk technique;

1: n-butyllithium; 4-bromo-N,N-dimethyl-aniline in tetrahydrofuran; hexane T=-78°C; 2 h; 2: p-methylnitrobenzene in tetrahydrofuran; hexane T=-78 - 20°C;

T=25°C; other O-pivaloyl-N-arylhydroxylamines; Product distributionMechanism;