potassium hydroxide in methanol 0.166667 h; Ambient temperature;

methanol; sodium Electrolysis.und Behandlung des Reaktionsprodukts mit wss.Natronlauge;

1: diisobutylaluminium hydride / toluene / 2 h / -78 °C 2: 1.) NaH / 1.) benzene, RT, 30 min, 2.) toluene, benzene, RT, overnight 3: 97 percent / p-toluenesulfonic acid / CH2Cl2 / 2 h / Ambient temperature 4: 68 percent / diethyl ether / 2 h 5: 90 percent / p-TsOH / methanol / 2 h / Ambient temperature 6: 87 percent / pyridine / CH2Cl2 / 12 h / Ambient temperature 7: 90 percent / n-Bu4NF / tetrahydrofuran / 1.5 h / Ambient temperature 8: 96 percent / 1N aq.KOH / methanol / 0.17 h / Ambient temperature View Scheme

1: 1.) NaH / 1.) benzene, RT, 30 min, 2.) toluene, benzene, RT, overnight 2: 97 percent / p-toluenesulfonic acid / CH2Cl2 / 2 h / Ambient temperature 3: 68 percent / diethyl ether / 2 h 4: 90 percent / p-TsOH / methanol / 2 h / Ambient temperature 5: 87 percent / pyridine / CH2Cl2 / 12 h / Ambient temperature 6: 90 percent / n-Bu4NF / tetrahydrofuran / 1.5 h / Ambient temperature 7: 96 percent / 1N aq.KOH / methanol / 0.17 h / Ambient temperature View Scheme

1: 97 percent / p-toluenesulfonic acid / CH2Cl2 / 2 h / Ambient temperature 2: 68 percent / diethyl ether / 2 h 3: 90 percent / p-TsOH / methanol / 2 h / Ambient temperature 4: 87 percent / pyridine / CH2Cl2 / 12 h / Ambient temperature 5: 90 percent / n-Bu4NF / tetrahydrofuran / 1.5 h / Ambient temperature 6: 96 percent / 1N aq.KOH / methanol / 0.17 h / Ambient temperature View Scheme

1: 87 percent / pyridine / CH2Cl2 / 12 h / Ambient temperature 2: 90 percent / n-Bu4NF / tetrahydrofuran / 1.5 h / Ambient temperature 3: 96 percent / 1N aq.KOH / methanol / 0.17 h / Ambient temperature View Scheme

1: 68 percent / diethyl ether / 2 h 2: 90 percent / p-TsOH / methanol / 2 h / Ambient temperature 3: 87 percent / pyridine / CH2Cl2 / 12 h / Ambient temperature 4: 90 percent / n-Bu4NF / tetrahydrofuran / 1.5 h / Ambient temperature 5: 96 percent / 1N aq.KOH / methanol / 0.17 h / Ambient temperature View Scheme

1: 90 percent / p-TsOH / methanol / 2 h / Ambient temperature 2: 87 percent / pyridine / CH2Cl2 / 12 h / Ambient temperature 3: 90 percent / n-Bu4NF / tetrahydrofuran / 1.5 h / Ambient temperature 4: 96 percent / 1N aq.KOH / methanol / 0.17 h / Ambient temperature View Scheme

1: 90 percent / n-Bu4NF / tetrahydrofuran / 1.5 h / Ambient temperature 2: 96 percent / 1N aq.KOH / methanol / 0.17 h / Ambient temperature View Scheme