AlCl3, aluminium chloride T=50 - 60°C; 2 h;

1: in tetrahydrofuran; diethyl ether T=-78°C; dianionic oxy Cope rearrangement; 1.5 h; 2: With ammonium chloride in diethyl ether T=-78°C; 1 h;

1: toluene / 3 h / Ambient temperature 2: 1.) n-Bu4N<Fe(CO)3NO>, 3.) 4 M aq. HCl View Scheme

hydrogenchloride; n-Bu4Nlt;Fe(CO)3NOgt; Yield given. Multistep reaction;

9,10-anthracenedicarbonitrile; oxygen in acetonitrile 3 h; Irradiation; Yield given. Yields of byproduct given;

carbon disulfide; aluminium trichloride

1: 70 percent / hydrazine hydrate, concd HCl / ethanol / 4 h / Heating 2: 57 percent / sulfuryl chloride / CH2Cl2 / 1 h / Ambient temperature 3: 70 percent / Na, diethyl malonate / benzene; ethanol / 2 h / Heating 4: 39 percent / toluene / 4 h / Heating View Scheme