1.1: n-butyllithium / hexane; tetrahydrofuran / 2 h / 0 - 20 °C / |Inert atmosphere 1.2: 15 h / -80 °C / |Inert atmosphere 2.1: tetrabutyl ammonium fluoride; acetic acid / tetrahydrofuran / 0.67 h / 40 °C / |Cooling with ice 3.1: ammonium cerium (IV) nitrate / acetonitrile; water / 0.5 h / 0 °C View Scheme

(NH4)2S2O8; sulfuric acid; sodium lauryl sulfate; CAS; silver nitrate in cyclohexane; water T=50°C; 3 h; two phases;

pyridine-2-carboxylic acid, Ag(II) salt in water; benzene 1.33333 h; Ambient temperature;

1.1: n-butyllithium / hexane; tetrahydrofuran / 2 h / 0 - 20 °C / |Inert atmosphere 1.2: 0.5 h / -80 °C / |Inert atmosphere 2.1: N-bromosuccinmide / tetrachloromethane / 3 h / |Reflux 3.1: lithium diisopropyl amide; n-butyllithium / hexane; tetrahydrofuran / -80 °C / |Inert atmosphere 3.2: -80 - 20 °C / |Inert atmosphere 4.1: lithium aluminium tetrahydride / tetrahydrofuran / 2 h / 0 - 20 °C 5.1: ammonium cerium (IV) nitrate / acetonitrile; water / 0.5 h / 0 °C View Scheme

1: 393 mg / BBr3 / CH2Cl2 / 2 h / Ambient temperature 2: 74 mg / K2CO3 / acetone / 3 h / Heating View Scheme

1: 393 mg / BBr3 / CH2Cl2 / 2 h / Ambient temperature 2: 74 mg / K2CO3 / acetone / 3 h / Heating 3: 9.0 mg / ethanol / 8 h / Heating View Scheme