Patent ID: 7250523

Claim:
A compound which comprises: a metal (M) complex with an imido ligand (N—R) bound to the N to provide an M=N—R site, a carbon (C) bound to the N to provide an M=C reaction site, a substituted carbon or carbon and heteroatom (N,S,O) containing 1 to 12 carbon atoms which tethers the C of the M=C reaction site to the R of the M=N—R site, and two to four ligands (R′) bound to the M to provide two to four M-R′ sites; wherein the N is selected from the group consisting of molybdenum and tungsten; the R and R′ are each independently selected from the group consisting of alkyl, heteroalkyl, substituted alkyl, aryl, heteroaryl, substituted aryl, cyclic, heterocyclic, and substituted cyclic; and, the R′ can be interconnected.