Ruthenium(IV)-Bis(methallyl) Complexes as UV-Latent Initiators for Ring-Opening Metathesis Polymerization
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ChemCatChem 4 (11): 1808-1812, S1808/1-S1808/51 (2012)

The RuIV-based transition metal catalysts Ru(h3:h3-C10H16)Cl2(PPh3) (1), Ru(h3:h3-C10H16)Cl2(PCy3) (2), and Ru(h3:h3-C10H16)(CF3COO)2(PPh3) (3) have been synthesized and investigated for their use as initiators in the thermally and photo-initiated ring-opening metathesis polymn. (photo-ROMP) of norborn-2-ene (NBE). Compds. 1 and 3 display significant photo-ROMP activity with NBE whereas compd. 2, although active in the ROMP of NBE, shows virtually no latency at all. The results are discussed with respect to the structural features of the novel catalysts. on SciFinder(R)
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