sodium hydride in cyclohexane T=15 - 20°C;

iron; triethylamine in diethyl ether Yield given. Yields of byproduct given;

methylmagnesium bromide; iron(III) chloride; triethylamine 1.) ether, -20 deg C, 0.5 h, 2.) ether, hexamethylphosphoric triamide (HMPT), RT, 24 h; Yield given. Multistep reaction;