potassium carbonate in acetone 16 h; RefluxInert atmosphere;

silver carbonate; copper dichloride; palladium dichloride in tetrahydrofuran T=110°C; 24 h;

n-butyllithium in hexane; water

n-butyllithium in hexane; water

perchloric acid; potassium chloride; dihydrogen peroxide; NH4VO3 in water; acetonitrile 24 h; Ambient temperature;

n-butyllithium in ethylene glycol dimethyl ether

N-chloro-succinimide in methanol 1 h; Ambient temperature;

copper(l) chloride in N,N-dimethyl-formamide RefluxInert atmosphere;

sodium hydroxide

sodium chloride in diethyl ether; hexane (CH3O)2C6H4 in ether and C4H9Li in hexane mixed and stirred at 25°C for 3 d, cooled down to -196°C, NO2Cl added, warmed quickly to -95°C, stored for 2 h between -90 and -70°C, stirred and warmed to 25°C for 1.5 h; NaCl added, filtered, aq. phase extd. (ether), org. phase and solid combined, solvent removed, CH2Cl2 added, filtered (Al2O3), washed (CH2Cl2), solvent removed, recrystd. (CH2Cl2/CH3OH); elem. anal., IR, NMR, mass spectroscopy;