Olefin metathesis process employing bimetallic ruthenium complex with bridging hydrido ligands
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United States of America Patent
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May 7, 2013
Grant Date -
May 6, 2010
app pub date -
Oct 27, 2009
filing date -
Oct 31, 2008
priority date (Note) -
Expired
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Abstract
An olefin metathesis process for converting a reactant olefin or a mixture of reactant olefins into one or more product olefins that are different from the reactant olefin(s). The process employs a catalyst system containing a carbene-generating agent and a bimetallic ruthenium complex comprising one or more μ-hydrido bridging ligands, and optionally containing di(t-butyl)phosphine. The catalyst system is advantageously active at process temperatures greater than 90° C. Cyclization metathesis and ring-opening polymerization metathesis are preferred olefin metathesis processes.
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