Ruthenium Carbene-Based Olefin Metathesis Initiators:  Catalyst Decomposition and Longevity

Ruthenium Carbene-Based Olefin Metathesis Initiators:  Catalyst Decomposition and Longevity

Thermolytic decomposition pathways were studied for several ruthenium carbene-based olefin metathesis catalysts. Substituted carbenes were found to decompose through bimolecular pathways while the unsubstituted carbene was found to decomposed unimolecularly. Implications for ring-closing metathesis...

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Veröffentlicht in:Journal of organic chemistry 1999-09, Vol.64 (19), p.7202-7207
Hauptverfasser: Ulman, Michael, Grubbs, Robert H
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container_title Journal of organic chemistry
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creator Ulman, Michael
Grubbs, Robert H
description Thermolytic decomposition pathways were studied for several ruthenium carbene-based olefin metathesis catalysts. Substituted carbenes were found to decompose through bimolecular pathways while the unsubstituted carbene was found to decomposed unimolecularly. Implications for ring-closing metathesis are discussed, and the longevity of several ruthenium-based catalysts are compared.
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title Ruthenium Carbene-Based Olefin Metathesis Initiators:  Catalyst Decomposition and Longevity
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