Indenylidene-based ruthenium metathesis

Figure 11.5 Indenylidene-based ruthenium metathesis catalysts.

As already mentioned, the development of metathesis catalysts that can be easily accessed from simple precursors is necessary if a large-scale application is desired. With this in mind, Forman et al. developed a robust ruthenium-based phoban-indenylidene complex through a simple and relatively inexpensive procedure, if compared to the preparation of C3 [40]. This mthenium alkylidene was tested in the bulk SM of methyl oleate. As a result, they could reach up to 50% conversion with 0.005 mol% catalyst at 50°C. 

Keywords Olefin metathesis, ruthenium, A-heterocycfic carbene, SchifF-base, aUcylidene, vinylidene, allenylidene, indenylidene, immobilisation. 

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