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