in tetrahydrofuran 48 h; Heating;

bis(1,5-cyclooctadiene)nickel (0); N,N,N',N,-tetramethylethylenediamine; sulfuric acid 1.) THF, from -78 deg C to RT, 24 h, 2.) Et2O, 4 h; Yield given. Multistep reaction;

1: benzene; toluene; pyridine 2: diethyl ether View Scheme

diethyl ether