olefin metathesis
Ethyl Linoleate Derivatives from Olefin Metathesis as a Function of the Starting Complex and Reactivity Conditions
... The olefin metathesis of EL conducted by G1 reached lower selectivity than that conducted by G2 for 24h at 50 ...for olefin metathesis of EL; however, it was activated in the presence of SnCl ...
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Controlling olefin metathesis through catalyst and monomer design
... characterize olefin metathesis ...ruthenium-based olefin metathesis catalysts and described them in terms of efficiency, characterized by selectivity, activity, and ...easy metathesis ...
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Nonlinear Polymeric Architectures via Olefin Metathesis
... Olefin metathesis is a metal-catalyzed transformation, which acts on carbon-carbon double bonds and rearranges them via cleavage and ...an olefin to a metal carbene catalytic species leads to the ...
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Z Selectivc Olefin Metathesis using Chelating Ruthenium Alkylidene Catalysts
... 27. In contrast, the bottom-bound mechanism is favored with previous unchelated ruthenium catalysts. For examples of recent computational studies of olefin metathesis with unchelated ruthenium catalysts: a) ...
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Design Of Olefin Metathesis Catalysts: From Enantioselective Reactions To Tetrasubstituted Olefins
... asymmetric olefin metathesis reactions will dramatically expand the synthetic utility of these ...ruthenium-based olefin metathesis ...ring-closing metathesis in chapter 3 and ...
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Phosphite ligands in Ru based olefin metathesis catalysts
... 2 Structure of SIMes and SIPr and derived ruthenium olefin metathesis.. SIMes Cl Ru Cl PCy3.[r] ...
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Halide exchanged Hoveyda type complexes in olefin metathesis
... asymmetric olefin metathesis reactions, where they show, in most cases, better enantio- or diastereo-selectivity compared to their chlo- ride counterparts, but at the price of lower activity ...
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Stereoselective Olefin Metathesis Processes Using Cyclometalated Ruthenium Alkylidene Complexes
... proficient olefin metathesis ...present-day olefin metathesis catalysts are straightforward to employ, air- and moisture-tolerant, and highly active across a broad range of olefin ...
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Selectivity in Ruthenium Catalyzed Olefin Metathesis: Applications and Origins
... Z-selective olefin metathesis, and new, selective olefin metathesis catalysts based on Mo, W, and Ru have only recently been ...of metathesis in these areas has been demonstrated by its ...
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Chemo and stereoselective olefin metathesis in small molecule synthesis
... understanding olefin metathesis and developing it into a reliable, practical ...stereoselective olefin metathesis and its application in the synthesis of important organic compounds is ...
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DFT Investigation into the Role of Conventional and Ionic Liquids as Solvents in Olefin Metathesis
... Nucleophilicity gives information on the tendency of a molecule to donate electrons to the electron deficient centre of another molecule. It is understood that before the catalyst interacts with the substrate, it first ...
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Calixarene based molecular capsule from olefin metathesis
... An olefin metathesis reaction (Vougioukalakis & Grubbs, 2010) has been used to prepare bridged calixarenes (Yang & Swager, ...by olefin metathesis, the reaction of tetrakis(allyl- ...
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Improving Selectivity in Olefin Metathesis for Small Molecule Synthesis and Materials Applications
... Amongst those I have been fortunate to work alongside and get to know, I have to begin by highlighting Erin Guidry and Jacob Berlin, my first two mentors who got me hooked on this thing called olefin ...
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Olefin metathesis: a versatile tool for the synthesis of small to large molecules
... the olefin-forming Suzuki reaction between vinyl halides and organoboronic acids or esters exclusively produces only one new internal olefin with the same olefin geometry of the vinyl ...of ...
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Improvement of olefin metathesis efficiency through understanding catalyst stability
... major metathesis product 17 (entry ...during olefin metathesis, presumably by ruthenium hydrides from catalyst ...tri-substited olefin 20 with relatively lower yield (entry ...
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Ruthenium Olefin Metathesis Complexes: Catalyst Development and Mechanistic Studies
... In summary, we have developed a model system to study ruthenium-olefin complexes relevant to the mechanism of olefin metathesis. Our studies of the reaction between 1,2-divinylbenzene (4.8) and ...
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Ruthenium olefin metathesis catalysts containing fluoride
... ABSTRACT: The reaction of the ruthenium complex cis-Caz-1 with silver fluoride affords the first example of an active olefin metathesis pre-catalyst containing fluoride ligands. The cis geometry of the ...
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Ruthenium-Based Olefin Metathesis Catalysts Coordinated with NHeterocyclic Carbene Ligands: Synthesis and Applications
... to olefin metathesis catalysis is the marriage of two rapidly developing fields in organometallic and organic ...ruthenium-based olefin metathesis catalysts has produced systems with ...
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Interlocked Molecules Using Olefin Metathesis
... viii an almost encyclopedic knowledge of chemistry and for the country and western dance lessons. I am delighted that I will soon become Greg’s coworker again in a few short months. I would like to thank John Matson ...
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Synthesis of Interlocked Molecules by Olefin Metathesis
... cyclic, olefin- containing monomers to yield a linear ...the olefin metathesis reaction, a driving force is required to favor product formation from starting ...molecule olefin (such as ...
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