1: N,N-di-iso-propylbenzamide With MeCu(TMP)(CN)Li2 in tetrahydrofuran; diethyl ether; hexane T=0°C; 3 h; 2: methyl iodide in tetrahydrofuran; diethyl ether; hexane T=20°C; 16 h; Further stages.;

1: in tetrahydrofuran; diethyl ether; hexane T=0°C; 3 h; 2: With nitrobenzene in tetrahydrofuran; diethyl ether; hexane T=0°C; 16 h; Further stages.;

triethylamine in dichloromethane T=20°C; Inert atmosphere;

n-butyllithium in diethyl ether; hexane T=0°C; 2 h;