Abstract p ‐Quinquephenyl intermediate: 70 g. (0.10 mole) of p ‐xylylene‐bis(triphenylphosphonium chloride) intermediate: 3.34 g. (0.010 mole) of 1,4‐bis‐(4‐phenylbutadienyl)benzene reactant: 1,4‐bis‐[4‐( p ‐tolyl)butadienyl]benzene reactant: 1,4‐bis‐[4‐(3‐nitrophenyl)butadienyl]‐benzene reactant: 1,4‐bis‐(3‐methyl‐4‐phenylbutadienyl)benzene product: p ‐Quinquephenyl