1: α-[(trimethylsilyl)oxy]-α-(o-methoxyphenyl)acetonitrile With n-butyllithium; diisopropylamine in tetrahydrofuran; hexane T=-70°C; 0.5 h; 2: 1-bromo-3-chloro-propane in tetrahydrofuran; hexane T=20°C; 2 h; 3: With hydrogenchloride in methanol T=20°C; Further stages.;
