2,3-dicyano-5,6-dichloro-p-benzoquinone in acetonitrile T=20 - 25°C; 2 h; Irradiation;

tetrafluoroboric acid; [Fe(bipy)3]2+ in water; acetonitrile 0.0833333 h; Ambient temperature; Mechanism;

tetrafluoroboric acid; [Fe(bipy)3]2+ 1.) acetonitrile, water, r.t., 5 min; 2.) EtOH; Yield given. Multistep reaction;

tetra(n-butyl)ammonium hydrogensulfate in acetonitrile T=25°C; Hg cathode, Pt-wire anode, Ag/AgNO3 (0.1N) reference elctrode;

benzenesulfenyl chloride in dichloromethane T=-78°C; 0.0833333 h;

naphthalenyllithium 1.) THF, 0 deg C, 2.) THF, 1 h; Yield given. Multistep reaction;

1: 67 percent / lithium carbonate, mercuric trifluoroacetate / acetonitrile / 0.08 h 2: 1.) NBS, 2.) sodium hydride / 1.) chloroform, room temperature, 30 min, 2.) DMF, 18 h 3: 33 percent / mercuric chloride, water / acetonitrile / Heating View Scheme