The catalyst compound 1, wherein L is selected from {HEAD ~ the group} consisting of {TAIL ~ a phosphine}, an N heterocyclic carbene, and a cyclic alkyl amino carbene 
consisting of
The catalyst compound 1 , wherein L is selected from { HEAD ~ the group } consisting of { TAIL ~ a phosphine } , an N heterocyclic carbene , and a cyclic alkyl amino carbene
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH