1: 2-chloro-1-(tetrahydropyran-2-yl)-1H-imidazole With n-butyllithium; N,N,N',N,-tetramethylethylenediamine in tetrahydrofuran T=-78°C; 0.166667 h; 2: With tri-isopropoxy-borane in tetrahydrofuran T=-78 - 20°C; 4 h; 3: 2,3-dimethylbutane-2,3-diol With acetic acid in tetrahydrofuran T=20°C; pH=5; 1 h; Further stages.;

hydrogen; palladium on activated charcoal in methanol T=0 - 20°C; P=760.051 Torr; 2 h;