1.1: lithium aluminium tetrahydride / tetrahydrofuran / 1.25 h / 0 - 20 °C / Inert atmosphere 2.1: Reflux 3.1: palladium 10 on activated carbon; hydrogen / methanol / 3102.97 Torr 4.1: magnesium / diethyl ether / Inert atmosphere; Reflux 4.2: 20 °C 5.1: potassium carbonate; thiophenol / 1-methyl-pyrrolidin-2-one / 0.5 h / 220 - 230 °C / Inert atmosphere View Scheme

1.1: lithium aluminium tetrahydride / tetrahydrofuran / 1.25 h / 0 - 20 °C / Inert atmosphere 2.1: Reflux 3.1: magnesium / diethyl ether / Inert atmosphere; Reflux 3.2: 1 h / 20 °C / Inert atmosphere 4.1: potassium carbonate; thiophenol / 1-methyl-pyrrolidin-2-one / 0.5 h / 220 - 230 °C / Inert atmosphere View Scheme