1/3AlCl3 plus triphenyl phosphite as the catalyst and {HEAD ~ triethylaluminum plus diethylaluminum chloride} and ethyl anisate as {TAIL ~ the cocatalyst} 
1/3AlCl3 plus triphenyl phosphite as the catalyst and { HEAD ~ triethylaluminum plus diethylaluminum chloride } and ethyl anisate as { TAIL ~ the cocatalyst }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL