1: 1.) NaN(SiMe3)2; 2.) 1-chloro-1-nitrosocyclohexane; 3.) 1 N aq. HCl 2: 92 percent / H2 / Pd/C 3: NaH / toluene / 2 h / Heating 4: i-Bu2AlH / toluene / 2 h / 0 °C View Scheme