title: Double C--H activation of an N-heterocyclic carbene ligand in a ruthenium olefin metathesis catalyst.
authors.affiliation: The Arnold and Mabel Beckman Laboratory of Chemical Synthesis, Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 91125, USA.
authors.forename: Soon Hyeok
authors.initials: SH
authors.lastname: Hong
authors.forename: Anatoly
authors.initials: A
authors.lastname: Chlenov
authors.forename: Michael W
authors.initials: MW
authors.lastname: Day
authors.forename: Robert H
authors.initials: RH
authors.lastname: Grubbs