potassium carbonate; silver(l) oxide 1.) p-xylene, reflux, 2 h, 2.) benzene, 1 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;

potassium carbonate; silver(l) oxide 1.) p-xylene, reflux, 2 h, 2.) benzene, 1 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;