hydrogenchloride; triethylamine in pyridine; isopropyl alcohol

n-butyllithium in tetrahydrofuran; hexane; toluene; benzene

1: 22 g / acetic anhydride / 30 h / Heating 2: 22 g / hydrogen / 10percent palladium on carbon / ethanol / 1.5 h / 25 °C / 760 Torr 3: 1.) butyl-lithium / 1.) THF, hexane, 0.5 h, below 10 deg C 2.) 0.5 h, THF, hexane View Scheme

1: 22 g / hydrogen / 10percent palladium on carbon / ethanol / 1.5 h / 25 °C / 760 Torr 2: 1.) butyl-lithium / 1.) THF, hexane, 0.5 h, below 10 deg C 2.) 0.5 h, THF, hexane View Scheme