title: Highly active catalysts in alkene metathesis: first observed transformation of allenylidene into indenylidene via alkenylcarbyne--ruthenium species.
authors.affiliation: Institut de chimie de Rennes, UMR 6509 CNRS, Université de Rennes, Organométalliques et Catalyse, Campus de Beaulieu, 35042, Rennes, France.
authors.forename: Ricardo
authors.initials: R
authors.lastname: Castarlenas
authors.forename: Pierre H
authors.initials: PH
authors.lastname: Dixneuf