triethylamine; sodium bromide in N,N-dimethyl-formamide 6 h; Ambient temperature; Yield given. Yields of byproduct given. Title compound not separated from byproducts;

triethylamine; sodium iodide in acetonitrile; pentane 15 min, room temp.; 4 h, 40 deg C; Yield given. Yields of byproduct given;