反应条件
in N,N-dimethyl acetamide (Ar); treatment of soln. of nickel compd. in dimethylacetamide with 1 equiv. of potassium tert-butoxide at room temp., stirring for 30 min, addn. of tetramethylammonium salt at room temp., stirring for 1 h; filtration, evapn., triturating with diethyl ether, isolation of ppt., recrystn. by diffusion of 1:1 ether/pentane vapour into soln. in dimethylacetamide, IR and UV;
