1: With water; lithium hydroxide hydrate in methanol T=0°C; Inert atmosphere; 2: With sodium dihydrogenphosphate in ethyl acetate Inert atmosphere;

1.1: sodium hexamethyldisilazane / diethyl ether / -78 - 20 °C 2.1: iodine; triphenylphosphine; 1H-imidazole / toluene / 60 °C 3.1: lithium diisopropyl amide / tetrahydrofuran / -78 °C 4.1: tetrakis(triphenylphosphine) palladium(0); copper(l) iodide; piperidine / benzene / 2 h / 20 °C / |Inert atmosphere; |Darkness 5.1: acetyl chloride; methanol / 0 °C 6.1: water / methanol / 5 h / 50 °C 7.1: water; lithium hydroxide hydrate / methanol / 0 °C / |Inert atmosphere 7.2: |Inert atmosphere View Scheme

1.1: iodine; triphenylphosphine; 1H-imidazole / toluene / 60 °C 2.1: lithium diisopropyl amide / tetrahydrofuran / -78 °C 3.1: tetrakis(triphenylphosphine) palladium(0); copper(l) iodide; piperidine / benzene / 2 h / 20 °C / |Inert atmosphere; |Darkness 4.1: acetyl chloride; methanol / 0 °C 5.1: water / methanol / 5 h / 50 °C 6.1: water; lithium hydroxide hydrate / methanol / 0 °C / |Inert atmosphere 6.2: |Inert atmosphere View Scheme

1.1: lithium diisopropyl amide / tetrahydrofuran / -78 °C 2.1: tetrakis(triphenylphosphine) palladium(0); copper(l) iodide; piperidine / benzene / 2 h / 20 °C / |Inert atmosphere; |Darkness 3.1: acetyl chloride; methanol / 0 °C 4.1: water / methanol / 5 h / 50 °C 5.1: water; lithium hydroxide hydrate / methanol / 0 °C / |Inert atmosphere 5.2: |Inert atmosphere View Scheme

1.1: tetrakis(triphenylphosphine) palladium(0); copper(l) iodide; piperidine / benzene / 2 h / 20 °C / |Inert atmosphere; |Darkness 2.1: acetyl chloride; methanol / 0 °C 3.1: water / methanol / 5 h / 50 °C 4.1: water; lithium hydroxide hydrate / methanol / 0 °C / |Inert atmosphere 4.2: |Inert atmosphere View Scheme

1.1: Dess-Martin periodane / dichloromethane / 20 °C 2.1: n-butyllithium / tetrahydrofuran / -78 - 0 °C 3.1: iodine / benzene / 20 °C 4.1: KF*2H2O; 18-crown-6 ether / N,N-dimethyl-formamide / 20 °C 5.1: tetrakis(triphenylphosphine) palladium(0); copper(l) iodide; piperidine / benzene / 2 h / 20 °C / |Inert atmosphere; |Darkness 6.1: acetyl chloride; methanol / 0 °C 7.1: water / methanol / 5 h / 50 °C 8.1: water; lithium hydroxide hydrate / methanol / 0 °C / |Inert atmosphere 8.2: |Inert atmosphere View Scheme

1.1: acetyl chloride; methanol / 0 °C 2.1: water / methanol / 5 h / 50 °C 3.1: water; lithium hydroxide hydrate / methanol / 0 °C / |Inert atmosphere 3.2: |Inert atmosphere View Scheme

1.1: water / methanol / 5 h / 50 °C 2.1: water; lithium hydroxide hydrate / methanol / 0 °C / |Inert atmosphere 2.2: |Inert atmosphere View Scheme

1.1: n-butyllithium / tetrahydrofuran / -78 - 0 °C 2.1: iodine / benzene / 20 °C 3.1: KF*2H2O; 18-crown-6 ether / N,N-dimethyl-formamide / 20 °C 4.1: tetrakis(triphenylphosphine) palladium(0); copper(l) iodide; piperidine / benzene / 2 h / 20 °C / |Inert atmosphere; |Darkness 5.1: acetyl chloride; methanol / 0 °C 6.1: water / methanol / 5 h / 50 °C 7.1: water; lithium hydroxide hydrate / methanol / 0 °C / |Inert atmosphere 7.2: |Inert atmosphere View Scheme

1.1: KF*2H2O; 18-crown-6 ether / N,N-dimethyl-formamide / 20 °C 2.1: tetrakis(triphenylphosphine) palladium(0); copper(l) iodide; piperidine / benzene / 2 h / 20 °C / |Inert atmosphere; |Darkness 3.1: acetyl chloride; methanol / 0 °C 4.1: water / methanol / 5 h / 50 °C 5.1: water; lithium hydroxide hydrate / methanol / 0 °C / |Inert atmosphere 5.2: |Inert atmosphere View Scheme