1: p-toluidine With n-butyllithium; ZnCl2*TMEDA in tetrahydrofuran; hexane T=0 - 20°C; 0.5 h; Inert atmosphereSchlenk technique; 2: 3-chloro-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;

boron trifluoride diethyl etherate T=60°C; 12 h;