hydrogenchloride; sodium iodide in methanol; acetone 4 h;

1.1: BuLi / tetrahydrofuran / 0.5 h / 0 °C 1.2: 98 percent / tetrahydrofuran / 24 h / 20 °C 2.1: BuLi / tetrahydrofuran / 0.5 h / 0 °C 2.2: 85 percent / tetrahydrofuran / 4 h / 20 °C 3.1: 91 percent / MCPBA / CHCl3 / 24 h / 20 °C 4.1: 59 percent / aq. NaOH / tetrahydrofuran / 4 h / 20 °C 5.1: 96 percent / K2CO3 / acetone / 48 h / 20 °C 6.1: 73 percent / NaI; HCl / acetone; methanol / 4 h View Scheme

1.1: BuLi / tetrahydrofuran / 0.5 h / 0 °C 1.2: 85 percent / tetrahydrofuran / 4 h / 20 °C 2.1: 91 percent / MCPBA / CHCl3 / 24 h / 20 °C 3.1: 59 percent / aq. NaOH / tetrahydrofuran / 4 h / 20 °C 4.1: 96 percent / K2CO3 / acetone / 48 h / 20 °C 5.1: 73 percent / NaI; HCl / acetone; methanol / 4 h View Scheme

1: 96 percent / K2CO3 / acetone / 48 h / 20 °C 2: 73 percent / NaI; HCl / acetone; methanol / 4 h View Scheme

1: 91 percent / MCPBA / CHCl3 / 24 h / 20 °C 2: 59 percent / aq. NaOH / tetrahydrofuran / 4 h / 20 °C 3: 96 percent / K2CO3 / acetone / 48 h / 20 °C 4: 73 percent / NaI; HCl / acetone; methanol / 4 h View Scheme

1: 59 percent / aq. NaOH / tetrahydrofuran / 4 h / 20 °C 2: 96 percent / K2CO3 / acetone / 48 h / 20 °C 3: 73 percent / NaI; HCl / acetone; methanol / 4 h View Scheme