1.1: pyridinium chlorochromate / 1.5 h / 20 °C / Inert atmosphere 2.1: lithium diisopropyl amide / tetrahydrofuran; hexane / 0.5 h / -78 °C / Inert atmosphere 2.2: 4 h / -78 - 20 °C / Inert atmosphere 3.1: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate / dimethyl sulfoxide / 1 h / 80 °C 4.1: bis-triphenylphosphine-palladium(II) chloride; potassium carbonate / methanol; N,N-dimethyl-formamide / 0.5 h / 80 °C / Inert atmosphere 5.1: sodium acetate / ethanol / 1 h / 80 °C 6.1: 1,2-dichloro-benzene / 2.5 h / Inert atmosphere; Heating; Microwave irradiation 7.1: palladium 10 on activated carbon / 1,2-dichloro-benzene / 180 °C View Scheme

1.1: pyridine / dichloromethane / 12 h / 20 °C / Inert atmosphere; Cooling with ice 2.1: bis-triphenylphosphine-palladium(II) chloride; 1,1'-bis-(diphenylphosphino)ferrocene; lithium chloride / N,N-dimethyl-formamide / 2 h / 180 °C / Inert atmosphere 2.2: 2 h / 20 °C 3.1: RuCl2(tricyclohexylphosphine)2(benzylidene) / dichloromethane / 1 h / 50 °C / Inert atmosphere 4.1: borane-THF / tetrahydrofuran / 1 h / 0 °C / Inert atmosphere 4.2: 1 h / 50 °C 5.1: pyridinium chlorochromate / 1.5 h / 20 °C / Inert atmosphere 6.1: lithium diisopropyl amide / tetrahydrofuran; hexane / 0.5 h / -78 °C / Inert atmosphere 6.2: 4 h / -78 - 20 °C / Inert atmosphere 7.1: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate / dimethyl sulfoxide / 1 h / 80 °C 8.1: bis-triphenylphosphine-palladium(II) chloride; potassium carbonate / methanol; N,N-dimethyl-formamide / 0.5 h / 80 °C / Inert atmosphere 9.1: sodium acetate / ethanol / 1 h / 80 °C 10.1: 1,2-dichloro-benzene / 2.5 h / Inert atmosphere; Heating; Microwave irradiation 11.1: palladium 10 on activated carbon / 1,2-dichloro-benzene / 180 °C View Scheme

1.1: lithium diisopropyl amide / tetrahydrofuran; hexane / 0.5 h / -78 °C / Inert atmosphere 1.2: 4 h / -78 - 20 °C / Inert atmosphere 2.1: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate / dimethyl sulfoxide / 1 h / 80 °C 3.1: bis-triphenylphosphine-palladium(II) chloride; potassium carbonate / methanol; N,N-dimethyl-formamide / 0.5 h / 80 °C / Inert atmosphere 4.1: sodium acetate / ethanol / 1 h / 80 °C 5.1: 1,2-dichloro-benzene / 2.5 h / Inert atmosphere; Heating; Microwave irradiation 6.1: palladium 10 on activated carbon / 1,2-dichloro-benzene / 180 °C View Scheme

1.1: borane-THF / tetrahydrofuran / 1 h / 0 °C / Inert atmosphere 1.2: 1 h / 50 °C 2.1: pyridinium chlorochromate / 1.5 h / 20 °C / Inert atmosphere 3.1: lithium diisopropyl amide / tetrahydrofuran; hexane / 0.5 h / -78 °C / Inert atmosphere 3.2: 4 h / -78 - 20 °C / Inert atmosphere 4.1: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate / dimethyl sulfoxide / 1 h / 80 °C 5.1: bis-triphenylphosphine-palladium(II) chloride; potassium carbonate / methanol; N,N-dimethyl-formamide / 0.5 h / 80 °C / Inert atmosphere 6.1: sodium acetate / ethanol / 1 h / 80 °C 7.1: 1,2-dichloro-benzene / 2.5 h / Inert atmosphere; Heating; Microwave irradiation 8.1: palladium 10 on activated carbon / 1,2-dichloro-benzene / 180 °C View Scheme

palladium on activated charcoal T=240°C;

T=110°C; P=1 Torr; 10 h;

1: 92.3 percent / 1) Jones reagent; 2) 10 percent aq. NaOH, aq. HCl / acetone / 0.5 h / 0 °C 2: 0.152 g / 10 h / 110 °C / 1 Torr View Scheme

1: POCl3 / toluene 2: sulfur View Scheme

palladium on activated charcoal

selenium(IV) oxide Erhitzen der Carbonsaeure mit Kupfer;