(NH4)2S2O8; silver nitrate in water; acetonitrile T=70°C; 5 h;

1: cyclohexene With dimethylsulfide borane complex in dimethylsulfide; dichloromethane T=0°C; 3 h; Inert atmosphere; 2: With 2-benzyl-1,2,3,4-tetrahydroisoquinoline-6,7-diol in dimethylsulfide; dichloromethane T=0 - 20°C; Inert atmosphere; 3: p-benozquinone With N,N'-dimethyl-N,N'-propyleneurea in dimethylsulfide; dichloromethane T=20°C; 2 h; Inert atmosphere;

dipotassium peroxodisulfate; silver nitrate in dichloromethane; water T=23°C; 4.5 h;

in dichloromethane T=0°C; 0.5 h; Irradiation;

chlorine monooxide in acetonitrile T=25°C; KineticsActivation energy;

1-(4-chlorophenyl)diazonium tetrafluoroborate; sodium hydrogencarbonate in dimethyl sulfoxide 4 h; Ambient temperature; Yield given. Yields of byproduct given. Title compound not separated from byproducts;

iron(III) chloride

1: methanol. HCl 2: FeCl3 View Scheme

1: P2O5 / Erhitzen des Reaktionsprodukts mit Acetanhydrid unter Zusatz von Zink-Pulver 2: methanol. HCl 3: FeCl3 View Scheme

1: P2O5 / Erhitzen des Reaktionsprodukts mit Acetanhydrid unter Zusatz von Zink-Pulver 2: methanol. HCl 3: FeCl3 View Scheme