1: 1.) NaH / 1.) THF, r.t., 2.) r.t. 2: 68 percent / LAH, AlCl3 / tetrahydrofuran / Heating View Scheme

1: sodium hydroxide / dichloromethane; water / 16 h / 20 °C 2: trichlorophosphate / acetonitrile / 1 h / |Inert atmosphere; |Reflux 3: sodium tetrahydroborate / methanol / 2 h / 20 °C / |Inert atmosphere 4: dichloromethane / 2 h / 20 °C 5: palladium diacetate; potassium carbonate; 2-Ph2P-2'-(Me2N)biphenyl / N,N-dimethyl acetamide / 4 h / 130 °C 6: lithium aluminium tetrahydride / tetrahydrofuran / 4 h / |Reflux 7: potassium hydroxide / methanol / 6 h / 45 °C View Scheme

1: trichlorophosphate / acetonitrile / 1 h / |Inert atmosphere; |Reflux 2: sodium tetrahydroborate / methanol / 2 h / 20 °C / |Inert atmosphere 3: dichloromethane / 2 h / 20 °C 4: palladium diacetate; potassium carbonate; 2-Ph2P-2'-(Me2N)biphenyl / N,N-dimethyl acetamide / 4 h / 130 °C 5: lithium aluminium tetrahydride / tetrahydrofuran / 4 h / |Reflux 6: potassium hydroxide / methanol / 6 h / 45 °C View Scheme

1: dichloromethane / 2 h / 20 °C 2: palladium diacetate; potassium carbonate; 2-Ph2P-2'-(Me2N)biphenyl / N,N-dimethyl acetamide / 4 h / 130 °C 3: lithium aluminium tetrahydride / tetrahydrofuran / 4 h / |Reflux 4: potassium hydroxide / methanol / 6 h / 45 °C View Scheme

1: palladium diacetate; potassium carbonate; 2-Ph2P-2'-(Me2N)biphenyl / N,N-dimethyl acetamide / 4 h / 130 °C 2: lithium aluminium tetrahydride / tetrahydrofuran / 4 h / |Reflux 3: potassium hydroxide / methanol / 6 h / 45 °C View Scheme

potassium hydroxide; sulfuric acid; water 1.) 3 h, 2.) ether; Yield given. Multistep reaction;