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Lewis Acid Assisted Ruthenium-Catalyzed Metathesis Reactions



The combination of a ruthenium–arene complex, a noncoordinating salt, and a Lewis acid facilitates access to a highly active and selective in situ metathesis catalyst. The catalyst is formed from an inexpensive ruthenium precursor and olefins are used as the substrates. RCM=Ring-closing metathesis, acac=acetylacetonate.

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