1.1: tetrakis(triphenylphosphine) palladium(0); pyrrolidine / 60 °C / |Inert atmosphere 1.2: 10.5 h / 60 °C / |Inert atmosphere 2.1: silver(I) acetate / methanol / 90 °C / |Schlenk technique 3.1: trichlorophosphate / 1 h / 0 °C 3.2: 2 h / 20 °C View Scheme

1.1: tetrakis(triphenylphosphine) palladium(0); pyrrolidine / 60 °C / |Inert atmosphere 1.2: 10.5 h / 60 °C / |Inert atmosphere 2.1: copper (II) acetate monohydrate; oxygen / methanol / 90 °C / |Schlenk technique 3.1: ammonium cerium (IV) nitrate / methanol / 1 h View Scheme