1.1: triethylamine / dichloromethane / 2 h 2.1: potassium carbonate / N,N-dimethyl-formamide / 0.83 h / 0 °C / Inert atmosphere 2.2: 200 h / 0 - 80 °C / Inert atmosphere 2.3: pH 1 3.1: acetic acid / 1 h / 100 °C 3.2: 2 h / Reflux 4.1: hydrogen / Raney Ni / methanol / 6 h / 50 °C / 2206.72 Torr 5.1: acetic acid / ethanol / 4 h / Reflux 6.1: diethyl ether; tetrahydrofuran / 2.5 h / 25 °C 6.2: 3 h / Reflux 7.1: hydrogen / palladium 10 on activated carbon / methanol / 5 h / 70 °C / 3677.86 Torr View Scheme

1.1: potassium carbonate / N,N-dimethyl-formamide / 1.5 h / 0 °C / Inert atmosphere 1.2: 12.5 h / 0 - 45 °C / Inert atmosphere 1.3: pH 7.5 2.1: acetic acid / 1 h / 100 °C 2.2: 2 h / Reflux 3.1: hydrogen / Raney Ni / methanol / 6 h / 50 °C / 2206.72 Torr 4.1: acetic acid / ethanol / 4 h / Reflux 5.1: diethyl ether; tetrahydrofuran / 2.5 h / 25 °C 5.2: 3 h / Reflux 6.1: hydrogen / palladium 10 on activated carbon / methanol / 5 h / 70 °C / 3677.86 Torr View Scheme

1.1: hydrogen / Raney Ni / methanol / 6 h / 50 °C / 2206.72 Torr 2.1: acetic acid / ethanol / 4 h / Reflux 3.1: diethyl ether; tetrahydrofuran / 2.5 h / 25 °C 3.2: 3 h / Reflux 4.1: hydrogen / palladium 10 on activated carbon / methanol / 5 h / 70 °C / 3677.86 Torr View Scheme

1.1: acetic acid / ethanol / 4 h / Reflux 2.1: diethyl ether; tetrahydrofuran / 2.5 h / 25 °C 2.2: 3 h / Reflux 3.1: hydrogen / palladium 10 on activated carbon / methanol / 5 h / 70 °C / 3677.86 Torr View Scheme

1.1: potassium carbonate / N,N-dimethyl-formamide / 0.83 h / 0 °C / Inert atmosphere 1.2: 200 h / 0 - 80 °C / Inert atmosphere 1.3: pH 1 2.1: acetic acid / 1 h / 100 °C 2.2: 2 h / Reflux 3.1: hydrogen / Raney Ni / methanol / 6 h / 50 °C / 2206.72 Torr 4.1: acetic acid / ethanol / 4 h / Reflux 5.1: diethyl ether; tetrahydrofuran / 2.5 h / 25 °C 5.2: 3 h / Reflux 6.1: hydrogen / palladium 10 on activated carbon / methanol / 5 h / 70 °C / 3677.86 Torr View Scheme

1.1: acetic acid / 1 h / 100 °C 1.2: 2 h / Reflux 2.1: hydrogen / Raney Ni / methanol / 6 h / 50 °C / 2206.72 Torr 3.1: acetic acid / ethanol / 4 h / Reflux 4.1: diethyl ether; tetrahydrofuran / 2.5 h / 25 °C 4.2: 3 h / Reflux 5.1: hydrogen / palladium 10 on activated carbon / methanol / 5 h / 70 °C / 3677.86 Torr View Scheme

1: boron trifluoride diethyl etherate / toluene / 2 h / 20 °C 2: sodium carbonate / methanol / 1 h / 20 °C 3: ammonia / ethanol / 3 h / 110 °C View Scheme

1.1: toluene-4-sulfonic acid / benzene / 3 h / 20 °C 1.2: 16.5 h / 20 °C / Reflux 2.1: dihydrogen peroxide / 1,1,1-trifluoropropanone / dichloromethane; acetonitrile; water / 2 h / 20 °C / aqueous K2C03 / EDTA-Na2 buffer 3.1: Cu(BF4)2*xH2O / dichloromethane / 2 h / 20 °C 4.1: ethanol / 1 h / 20 °C 4.2: 72 h / 110 °C View Scheme

1.1: dihydrogen peroxide / 1,1,1-trifluoropropanone / dichloromethane; acetonitrile; water / 2 h / 20 °C / aqueous K2C03 / EDTA-Na2 buffer 2.1: Cu(BF4)2*xH2O / dichloromethane / 2 h / 20 °C 3.1: ethanol / 1 h / 20 °C 3.2: 72 h / 110 °C View Scheme

triethylsilane; hydrogen; trifluoroacetic acid; palladium on activated charcoal 1.) r.t., CH2Cl2, 2.) r.t., 1 bar, 2 h, H2O; Yield given. Multistep reaction;