T=0°C; 6 h; Inert atmosphere;

trichlorophosphate

1: phenyl lithium; diethyl ether / anschliessend Behandeln mit Dimethylsulfat 2: POCl3 View Scheme

1: N2H4*H2O, KOH 2: (i) POCl3, (ii) /BRN= 2045330/ View Scheme

aluminium trichloride; benzene Zersetzen des Reaktionsprodukts durch Erhitzen mit verd.Salzsaure;

1.1: 85 percent / NaH2PO4; aq. NaClO2 / dimethylsulfoxide / 20 °C 2.1: thionyl chloride / benzene / 2 h / Heating 3.1: 4.82 g / benzene / 0 - 20 °C 4.1: sec-BuLi; CuBr*Me2S / tetrahydrofuran; cyclohexane / -78 - -15 °C 4.2: 76 percent / tetrahydrofuran; cyclohexane / 1 h / -78 °C View Scheme

1: 85 percent / NaH2PO4; aq. NaClO2 / dimethylsulfoxide / 20 °C 2: thionyl chloride / benzene / 2 h / Heating 3: 4.82 g / benzene / 0 - 20 °C View Scheme

1.1: 85 percent / NaH2PO4; aq. NaClO2 / dimethylsulfoxide / 20 °C 2.1: thionyl chloride / benzene / 2 h / Heating 3.1: 4.82 g / benzene / 0 - 20 °C 4.1: sec-BuLi; CuBr*Me2S / tetrahydrofuran; cyclohexane / -78 - -15 °C 4.2: 76 percent / tetrahydrofuran; cyclohexane / 1 h / -78 °C 5.1: 81 percent / BBr3 / CH2Cl2 / 5.5 h / -78 - 25 °C View Scheme

1.1: 85 percent / NaH2PO4; aq. NaClO2 / dimethylsulfoxide / 20 °C 2.1: thionyl chloride / benzene / 2 h / Heating 3.1: 4.82 g / benzene / 0 - 20 °C 4.1: sec-BuLi; CuBr*Me2S / tetrahydrofuran; cyclohexane / -78 - -15 °C 4.2: 76 percent / tetrahydrofuran; cyclohexane / 1 h / -78 °C 5.1: 81 percent / BBr3 / CH2Cl2 / 5.5 h / -78 - 25 °C 6.1: 73 percent / CH2Cl2 / 20 h / 20 °C View Scheme

sodium chlorite; sodium dihydrogenphosphate in dimethyl sulfoxide T=20°C;