1: N-[4(R)-(2,2-dimethyl-1,3-dioxolane-4-yl)methyl]-3-fluoro-4-morpholinylaniline With hydrogenchloride; water in methanol T=20°C; 8 h; 2: bis(trichloromethyl) carbonate With sodium carbonate T=20°C; 24 h; Further stages.;