1.1: Pd0(tris(tert-butyl)phosphine)2; caesium carbonate / 1-methyl-pyrrolidin-2-one / 2 h / 80 °C / Molecular sieve 2.1: N-bromosuccinmide; anhydrous lithium acetate / water; acetonitrile / 4 h / Microwave irradiation 2.2: silica gel / 6.5 h / Reflux 3.1: bis(trimethylsilyl)-peroxide; trimethylsilyl trifluoromethanesulfonate / dichloromethane / -40 - -10 °C 4.1: potassium carbonate / acetone / 11 h / Reflux 5.1: tetrakis(triphenylphosphine) palladium(0); sodium carbonate / ethanol; water; benzene / 4 h / Reflux View Scheme