1.1: potassium carbonate / N,N-dimethyl-formamide / 6 h / 20 °C / |Schlenk technique 2.1: potassium tert-butylate / tetrahydrofuran / 0 °C / |Schlenk technique 3.1: hydrogenchloride / tetrahydrofuran; water / |Schlenk technique; |Reflux 4.1: sodium tetrahydroborate / methanol / 0 - 20 °C / |Schlenk technique 5.1: 1H-imidazole; iodine; triphenylphosphine / dichloromethane / 20 °C / |Schlenk technique 6.1: sodium hydride / mineral oil; tetrahydrofuran / |Inert atmosphere; |Schlenk technique; |Reflux 7.1: palladium 10 on activated carbon; hydrogen / ethanol / 20 °C / 3040.2 Torr / |Schlenk technique 8.1: triethylamine; Methanesulfonyl azide / acetonitrile / 20 °C / |Schlenk technique 9.1: [Cu(I)(CH3CN)4]PF6; Na[B(3,5-(CF3)2C6H3)4]; C35H30N2O2 / dichloromethane / 0.08 h / 25 °C / |Inert atmosphere; |Schlenk technique; |Glovebox 10.1: sodium hydroxide / methanol; tetrahydrofuran; water / 6 h / 0 - 20 °C / |Schlenk technique 10.2: |Schlenk technique View Scheme