Role of dioxygen as an activator in olefin metathesis
- 1 January 1981
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 20,p. 1062-1064
- https://doi.org/10.1039/c39810001062
Abstract
Evidence is presented that the beneficial or essential influences often noted when small amounts of dioxygen are added to catalytic systems for olefin metathesis and ring-opening polymerization are due to the formation of epoxides and the corresponding metalla-oxacyclobutanes,[[graphic omitted]R1; fission of the latter affords initiating metallacarbenes but isomerization and dimerization of the epoxide via this metallacycle are the major reaction pathways.Keywords
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