1: With N,N,N',N,-tetramethylethylenediamine; sec.-butyllithium in tetrahydrofuran; cyclohexane T=-78°C; 2 h; 2: With tri-isopropoxy-borane in tetrahydrofuran; cyclohexane T=-78°C; 0.666667 h;

1: With N,N,N',N,-tetramethylethylenediamine; sec.-butyllithium in tetrahydrofuran; cyclohexane T=-78°C; 2 h; 2: With tri-isopropoxy-borane in tetrahydrofuran; cyclohexane T=-78 - -20°C; 0.666667 h; 3: With hydrogenchloride in tetrahydrofuran; cyclohexane; water

1.1: sodium hydride / N,N-dimethyl-formamide / 0.17 h / 0 °C 1.2: 0 - 20 °C 2.1: N,N,N',N,-tetramethylethylenediamine; sec.-butyllithium / tetrahydrofuran; cyclohexane / 2 h / -78 °C 2.2: 1 h / -78 °C 2.3: -20 °C View Scheme