sodium t-butanolate; palladium diacetate in chlorobenzene Pd acetate, Fe complex and NaO-t-Bu (molar ratio 1:20:1) in PhCl heatedat 110°C;

sodium t-butanolate in further solvent(s) react. of Fe and Pd complexes (molar ratio 1.1:1) and PhBr in the presence of NaO-t-Bu; not isolated; detd. by (1)H and (31)P NMR spectra;

sodium t-butanolate in further solvent(s) react. of Fe and Pd complexes (molar ratio 1.1:1) and PhBr in the presence of NaO-t-Bu; treated with PCy3; not isolated; detd. by (1)H and (31)P NMR spectra;

in not given 20-fold excess of Fe complex; 70°C, 1 h;