N-Heterocyclic Carbene-Ruthenium Complexes: A Prominent Breakthrough in Metathesis Reactions

2014 ◽  
pp. 307-340
Author(s):  
Sudheendran Mavila ◽  
N. Gabriel Lemcoff
Keyword(s):  
Ruthenium Complexes ◽  
Metathesis Reactions

Allenylidene-Ruthenium Complexes as Versatile Precatalysts for Alkene Metathesis Reactions

ChemInform ◽  
2004 ◽  
Vol 35 (39) ◽  
Author(s):  
Ricardo Castarlenas ◽  
Cedric Fischmeister ◽  
Christian Bruneau ◽  
Pierre H. Dixneuf
Keyword(s):  
Ruthenium Complexes ◽  
Metathesis Reactions

scholarly journals Non covalent immobilization of pyrene-tagged ruthenium complexes onto graphene surfaces for recycling in olefin metathesis reactions

2016 ◽  
Vol 425 ◽  
pp. 136-146 ◽  
Author(s):  
Houssein Nasrallah ◽  
Stéphane Germain ◽  
Pierre Queval ◽  
Caroline Bouvier ◽  
Marc Mauduit ◽  
...  
Keyword(s):  
Olefin Metathesis ◽  
Ruthenium Complexes ◽  
Covalent Immobilization ◽  
Metathesis Reactions

Ruthenium Complexes Bearing Two N-Heterocyclic Carbene Ligands in Low Catalyst Loading Olefin Metathesis Reactions

2010 ◽  
Vol 29 (13) ◽  
pp. 3007-3011 ◽  
Author(s):  
Xavier Bantreil ◽  
Rebecca A. M. Randall ◽  
Alexandra M. Z. Slawin ◽  
Steven P. Nolan
Keyword(s):  
Olefin Metathesis ◽  
Ruthenium Complexes ◽  
Catalyst Loading ◽  
Carbene Ligands ◽  
Metathesis Reactions ◽  
Low Catalyst Loading

Indenylidene-Ruthenium Complexes Bearing Saturated N-Heterocyclic Carbenes: Synthesis and Catalytic Investigation in Olefin Metathesis Reactions

2008 ◽  
Vol 2008 (3) ◽  
pp. 432-440 ◽  
Author(s):  
Stijn Monsaert ◽  
Renata Drozdzak ◽  
Valerian Dragutan ◽  
Ileana Dragutan ◽  
Francis Verpoort
Keyword(s):  
Olefin Metathesis ◽  
Ruthenium Complexes ◽  
Heterocyclic Carbenes ◽  
Metathesis Reactions

Stable ruthenium olefin metathesis catalysts bearing symmetrical NHC ligands with primary and secondary N-alkyl groups

2018 ◽  
Vol 47 (18) ◽  
pp. 6615-6627 ◽  
Author(s):  
Chiara Ambrosio ◽  
Veronica Paradiso ◽  
Chiara Costabile ◽  
Valerio Bertolasi ◽  
Tonino Caruso ◽  
...  
Keyword(s):  
Olefin Metathesis ◽  
Ruthenium Complexes ◽  
Alkyl Groups ◽  
Metathesis Reactions ◽  
Metathesis Catalysts

Novel ruthenium complexes with N,N′-dialkyl-substituted NHCs and their application in metathesis reactions involving model and biorenewable compounds are presented.

Catalytic Carbonyl-Olefin Metathesis of Aliphatic Ketones: Iron(III) HomoDimers as Lewis Acidic Superelectrophiles

2018 ◽  
Author(s):  
Haley Albright ◽  
Paul S. Riehl ◽  
Christopher C. McAtee ◽  
Jolene P. Reid ◽  
Jacob R. Ludwig ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Olefin Metathesis ◽  
Acid Activation ◽  
Lewis Acid Catalysts ◽  
Distinct Mode ◽  
Aliphatic Ketones ◽  
Carbon Carbon Bond ◽  
Metathesis Reactions ◽  
Acid Catalyzed

<div>Catalytic carbonyl-olefin metathesis reactions have recently been developed as a powerful tool for carbon-carbon bond</div><div>formation. However, currently available synthetic protocols rely exclusively on aryl ketone substrates while the corresponding aliphatic analogs remain elusive. We herein report the development of Lewis acid-catalyzed carbonyl-olefin ring-closing metathesis reactions for aliphatic ketones. Mechanistic investigations are consistent with a distinct mode of activation relying on the in situ formation of a homobimetallic singly-bridged iron(III)-dimer as the active catalytic species. These “superelectrophiles” function as more powerful Lewis acid catalysts that form upon association of individual iron(III)-monomers. While this mode of Lewis acid activation has previously been postulated to exist, it has not yet been applied in a catalytic setting. The insights presented are expected to enable further advancement in Lewis acid catalysis by building upon the activation principle of “superelectrophiles” and broaden the current scope of catalytic carbonyl-olefin metathesis reactions.</div>

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