methanol; sodium trifluoro-methanesulfonate; sodium hydrogencarbonate; F-TEDA-PF6; silver(l) oxide in acetone T=65°C; 4 h; Sealed vialInert atmosphere;

air; Pd-organostannane in N,N-dimethyl-formamide T=50°C; 44 h;

1: para-iodobenzonitrile With isopropylmagnesium chloride in tetrahydrofuran; diethyl ether T=-40°C; 1 h; 2: tributyltin chloride in tetrahydrofuran; diethyl ether T=-40°C; 1 h;

trifluoroacetic acid; cobalt(II) dibromide; zinc in acetonitrile CoBr2 and Zn dust activated with CF3CO2H reacted for 5 min with allyl chloride in MeCN, aryl halide and tributylstannyl chloride added simultaneously in MeCN at room temp., stirred for 1 h at 50°C;

[PdBr2(PPh3)2] in toluene byproducts: (p-NCC6H4)2, Bu3SnBr; at 115°C for 15 h in sealed thick wall Pyrex glass ampoules;

tetrakis(triphenylphosphine) palladium(0) in toluene byproducts: (C4H9)3SnI; soln. of Bu3SnSnBu3, Pd(PPh3)4, aryl iodide in toluene heated to 60°C for 72 h under Ar; evapd., washed with aq. KF, extd. (C6H6), dried over Na2SO4, chromd. (SiO2, hexane); elem. anal.;