Issue Date: May 23, 2011
Metathesis Catalyst Catches A Few More Zs
Z has become an ever more important letter for olefin metathesis with the advent of a ruthenium catalyst that is highly selective for preparing Z (cis) alkenes (J. Am. Chem. Soc., DOI: 10.1021/ja202818v). In the beginning, nearly all ring-opening and cross-metathesis catalysts predominantly yielded E (trans) alkenes. That began to change when MIT’s Richard R. Schrock and Boston College’s Amir H. Hoveyda led a team that developed highly Z-selective . . .
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