sodium hydride; Bu4N[Fe(CO)3(NO)] 1.) THF, 10 min, 2.) THF, reflux, 12 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;

triphenylphosphine; Bu4N[Fe(CO)3(NO)] in tetrahydrofuran Heating; Title compound not separated from byproducts;

sodium hydride; Bu4N[Fe(CO)3(NO)] 1.) THF, 10 min, 2.) THF, reflux, 12 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;