Abstract
A “well-defined” alkylidene complex of the type Mo(CHCMe 2Ph)(N-2,6-i-Pr 2C 6H 3)[OCMe(CF 3) 2] 2 has proven to be a useful initiator in catalytic olefin metathesis reactions of interest to organic chemists. A variety of related molybdenum imido alkylidene complexes can be prepared readily from a common precursor. This article is a summary of what is known about the details of the steps in a metathesis reaction catalyzed by complexes of the type Mo(CHR′)(NAr)(OR) 2, and how the activity and stability of complexes of this type change upon altering each of the ligands in the pseudo-tetrahedral species. Some recent asymmetric ring-closing metathesis reactions are also discussed briefly.
Published Version
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