SEARCH Articles Figures Tables Metathesis catalysts Olefin metathesis Olefin metathesis catalysts Olefin ring-closing Olefine metathesis Ring metathesis Ring-closed Ring-closing Ring-closing metatheses Ring-closing metathesi Ring-closing olefin metathesis Ruthenium catalysts olefin metathesis Ruthenium metathesis Ruthenium metathesis catalyst Ruthenium olefin Ruthenium ring-closing metathesis Ruthenium rings