1.1: hydrogen; 3 platinum on carbon / ethanol / 21.5 h / 258.58 - 2585.81 Torr 2.1: potassium acetate; acetic anhydride / toluene / 3.5 h 2.2: 18 h / 80 °C 2.3: 4 h / 40 °C 3.1: caesium carbonate / N,N-dimethyl-formamide / 5.25 h / 40 - 90 °C 4.1: hydrogen; palladium(II) oxide hydrate / tert-butyl methyl ether / 12 h / 2430.66 Torr / |Inert atmosphere 5.1: tert-butyl methyl ether / 760.05 Torr / |Heating; |Inert atmosphere 5.2: 36 h / 65 °C / |Heating; |Inert atmosphere 6.1: potassium hydroxide / tetrahydrofuran; water / 3 h View Scheme

1.1: potassium acetate; acetic anhydride / toluene / 3.5 h 1.2: 18 h / 80 °C 1.3: 4 h / 40 °C 2.1: caesium carbonate / N,N-dimethyl-formamide / 5.25 h / 40 - 90 °C 3.1: hydrogen; palladium(II) oxide hydrate / tert-butyl methyl ether / 12 h / 2430.66 Torr / |Inert atmosphere 4.1: tert-butyl methyl ether / 760.05 Torr / |Heating; |Inert atmosphere 4.2: 36 h / 65 °C / |Heating; |Inert atmosphere 5.1: potassium hydroxide / tetrahydrofuran; water / 3 h View Scheme

1.1: caesium carbonate / N,N-dimethyl-formamide / 5.25 h / 40 - 90 °C 2.1: hydrogen; palladium(II) oxide hydrate / tert-butyl methyl ether / 12 h / 2430.66 Torr / |Inert atmosphere 3.1: tert-butyl methyl ether / 760.05 Torr / |Heating; |Inert atmosphere 3.2: 36 h / 65 °C / |Heating; |Inert atmosphere 4.1: potassium hydroxide / tetrahydrofuran; water / 3 h View Scheme

1.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 18.5 h / 3 - 20 °C / |Inert atmosphere; |Cooling with ice 2.1: tert-butyl methyl ether / 760.05 Torr / |Heating; |Inert atmosphere 2.2: 36 h / 65 °C / |Heating; |Inert atmosphere 3.1: potassium hydroxide / tetrahydrofuran; water / 3 h View Scheme

1.1: toluene-4-sulfonic acid; bromine 2.1: toluene-4-sulfonic acid / methanol / |Heating 3.1: diisobutylaluminium hydride 4.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 18.5 h / 3 - 20 °C / |Inert atmosphere; |Cooling with ice 5.1: tert-butyl methyl ether / 760.05 Torr / |Heating; |Inert atmosphere 5.2: 36 h / 65 °C / |Heating; |Inert atmosphere 6.1: potassium hydroxide / tetrahydrofuran; water / 3 h View Scheme

1.1: toluene-4-sulfonic acid / methanol / |Heating 2.1: diisobutylaluminium hydride 3.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 18.5 h / 3 - 20 °C / |Inert atmosphere; |Cooling with ice 4.1: tert-butyl methyl ether / 760.05 Torr / |Heating; |Inert atmosphere 4.2: 36 h / 65 °C / |Heating; |Inert atmosphere 5.1: potassium hydroxide / tetrahydrofuran; water / 3 h View Scheme

1.1: diisobutylaluminium hydride 2.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 18.5 h / 3 - 20 °C / |Inert atmosphere; |Cooling with ice 3.1: tert-butyl methyl ether / 760.05 Torr / |Heating; |Inert atmosphere 3.2: 36 h / 65 °C / |Heating; |Inert atmosphere 4.1: potassium hydroxide / tetrahydrofuran; water / 3 h View Scheme

1.1: triethylamine / tetrahydrofuran / 18 h / 0 - 20 °C 2.1: tert-butyl methyl ether / 760.05 Torr / |Heating; |Inert atmosphere 2.2: 36 h / 65 °C / |Heating; |Inert atmosphere 3.1: potassium hydroxide / tetrahydrofuran; water / 3 h View Scheme

1: hydrogen; palladium on activated charcoal / methanol; ethyl acetate 2: potassium acetate; acetic anhydride / benzene 3: caesium carbonate / N,N-dimethyl-formamide 4: potassium hydroxide / tetrahydrofuran; water / 3 h View Scheme

1: potassium acetate; acetic anhydride / benzene 2: caesium carbonate / N,N-dimethyl-formamide 3: potassium hydroxide / tetrahydrofuran; water / 3 h View Scheme