Oxonereg;; 1,1,1-trifluoropropanone; sodium hydrogencarbonate; (ethylenedinitrilo)tetraacetic acid disodium salt in acetonitrile T=0°C; 0.75 h;

1: 96 percent / NaH / tetrahydrofuran / 2 h / 0 - 20 °C 2: 86 percent / (PCy3)2Cl2Ru=CHPh / CH2Cl2 / 3 h / Heating 3: 82 percent / trifluoroacetone; NaHCO3; OxoneR / aq. Na2EDTA / acetonitrile / 0.75 h / 0 °C View Scheme

1: 86 percent / (PCy3)2Cl2Ru=CHPh / CH2Cl2 / 3 h / Heating 2: 82 percent / trifluoroacetone; NaHCO3; OxoneR / aq. Na2EDTA / acetonitrile / 0.75 h / 0 °C View Scheme