1: lithium aluminium tetrahydride / tetrahydrofuran / 1 h / 0 °C / Inert atmosphere 2: hydrogen / methanol / 3 h / 20 °C / 3102.97 Torr View Scheme

1.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 0 - 20 °C / Inert atmosphere 1.2: 1 h / 20 °C / Inert atmosphere 2.1: toluene-4-sulfonic acid / toluene / 5 h / Inert atmosphere; Reflux 3.1: n-butyllithium / tetrahydrofuran / 0.5 h / -10 °C / Inert atmosphere 3.2: -40 - 20 °C / Inert atmosphere 4.1: sulfuric acid; dihydrogen peroxide; boric acid / methanol; water / 0.5 h / Inert atmosphere; Reflux 4.2: 20 °C / Inert atmosphere 5.1: hydrogen / methanol / 3 h / 20 °C / 3102.97 Torr View Scheme

1.1: toluene-4-sulfonic acid / toluene / 5 h / Inert atmosphere; Reflux 2.1: n-butyllithium / tetrahydrofuran / 0.5 h / -10 °C / Inert atmosphere 2.2: -40 - 20 °C / Inert atmosphere 3.1: sulfuric acid; dihydrogen peroxide; boric acid / methanol; water / 0.5 h / Inert atmosphere; Reflux 3.2: 20 °C / Inert atmosphere 4.1: hydrogen / methanol / 3 h / 20 °C / 3102.97 Torr View Scheme

1.1: n-butyllithium / tetrahydrofuran / 0.5 h / -10 °C / Inert atmosphere 1.2: -40 - 20 °C / Inert atmosphere 2.1: sulfuric acid; dihydrogen peroxide; boric acid / methanol; water / 0.5 h / Inert atmosphere; Reflux 2.2: 20 °C / Inert atmosphere 3.1: hydrogen / methanol / 3 h / 20 °C / 3102.97 Torr View Scheme

1.1: sulfuric acid; dihydrogen peroxide; boric acid / methanol; water / 0.5 h / Inert atmosphere; Reflux 1.2: 20 °C / Inert atmosphere 2.1: hydrogen / methanol / 3 h / 20 °C / 3102.97 Torr View Scheme

1: tin(IV) chloride; bromine / dichloromethane / 20 °C / |Inert atmosphere; |Reflux 2: borane dimethyl sulfide complex / chlorobenzene / 21 h / 0 - 130 °C / |Inert atmosphere 3: sodium t-butanolate; palladium diacetate; [(t-Bu)3PH]BF4 / toluene / 3 h / 160 °C / |Inert atmosphere; |Microwave irradiation 4: boron tribromide / dichloromethane / 18 h / -78 - 20 °C / |Inert atmosphere View Scheme

1: borane dimethyl sulfide complex / chlorobenzene / 21 h / 0 - 130 °C / |Inert atmosphere 2: sodium t-butanolate; palladium diacetate; [(t-Bu)3PH]BF4 / toluene / 3 h / 160 °C / |Inert atmosphere; |Microwave irradiation 3: boron tribromide / dichloromethane / 18 h / -78 - 20 °C / |Inert atmosphere View Scheme

1: sodium t-butanolate; palladium diacetate; [(t-Bu)3PH]BF4 / toluene / 3 h / 160 °C / |Inert atmosphere; |Microwave irradiation 2: boron tribromide / dichloromethane / 18 h / -78 - 20 °C / |Inert atmosphere View Scheme

1: dihydrogen peroxide; iodine / water / 1.5 h / 20 °C 2: copper diacetate; palladium diacetate / acetic acid / 48 h / Reflux View Scheme

in methanol Oxidation; 15 h; UV-irradiation;