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metathesis reactions

Ultrasound-assisted self-metathesis reactions of
          monounsaturated fatty acids

Ultrasound-assisted self-metathesis reactions of monounsaturated fatty acids

... We broadened the scope of the reaction, by considering the self-metathesis reactions of elaidic (4) and erucic (5) acids (Scheme 3). In the presence of 0.1 mol% catalyst, these fatty acids gave rise to the ...

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Ring closing metathesis reactions of α methylene β lactams : application to the synthesis of a simplified phyllostictine analogue with herbicidal activity

Ring closing metathesis reactions of α methylene β lactams : application to the synthesis of a simplified phyllostictine analogue with herbicidal activity

... cross-metathesis reactions of -methylene--lactams, where Howell witnessed a modest preference for this isomer when the lactam ring is substituted at ...

10

Mapping the potential energy surfaces for ring-closing metathesis reactions of prototypical dienes by electronic structure calculations

Mapping the potential energy surfaces for ring-closing metathesis reactions of prototypical dienes by electronic structure calculations

... ring-closing metathesis reactions of a series of simple a,w-dienes which lead to 5–10 membered ring products, have been explored using density functional theory ...the reactions, as well as the ...

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Liquid mediated solid-state metathesis reactions.

Liquid mediated solid-state metathesis reactions.

... The reactions performed via the hquid-mediated metathesis route were considerably slower than the equivalent solid-state reactions, which was due to a number o f ...Solid-state metathesis ...

168

Achieving High Stereoselectivity in Ruthenium Catalyzed Olefin Metathesis Reactions for Organic and Polymer Synthesis

Achieving High Stereoselectivity in Ruthenium Catalyzed Olefin Metathesis Reactions for Organic and Polymer Synthesis

... In previous initiation rate studies, electron donating ligands such as 2,2 dimethoxypropanoate (2.15) imparted greater initiation rates compared to a pivalate (2.16) X–ligand (2.5 × 10 -3 s -1 versus 0.87 × 10 -3 s -1 , ...

208

Interlocked Molecules Using Olefin Metathesis

Interlocked Molecules Using Olefin Metathesis

... olefin metathesis has been applied to the synthesis of small molecule and polymeric ...cross metathesis process termed acyclic diene metathesis ...opening metathesis polymerization (ROMP) to ...

169

The influence of structure on reactivity in alkene metathesis

The influence of structure on reactivity in alkene metathesis

... monitoring metathesis reactions by GC is the potential for misleading results arising from incomplete pre-catalyst ...quenching. Metathesis pre-catalysts are often rather robust, and special measures ...

101

Synthesis of Interlocked Molecules by Olefin Metathesis

Synthesis of Interlocked Molecules by Olefin Metathesis

... olefin metathesis reaction, a driving force is required to favor product formation from starting ...ADMET reactions, this driving force is achieved via an irreversible expulsion of a small molecule olefin ...

342

Ruthenium Indenylidene Complexes33-40

Ruthenium Indenylidene Complexes33-40

... olefin metathesis reactions, specifically ring-closing metathesis of substituted linear dienes, acyclic diene metathesis of α,ω-dienes, enyne metathesis and ring-opening ...

8

Metathesis Catalysed by the Platinum Group Metals168-172

Metathesis Catalysed by the Platinum Group Metals168-172

... Following on from Part II of this review in which platinum group metals catalysts takmg part in tifig-dosed metathesis reactions were consid- ered, Part III looks at th[r] ...

5

New Frontiers in Metathesis Chemistry69-75

New Frontiers in Metathesis Chemistry69-75

... ruthenium-based metathesis chemistry to a variety of initiating sys- tems of fundamental relevance in ...and metathesis reactions were described, along with applications of metathesis for the ...

7

Supramolecular iridium(III) assemblies

Supramolecular iridium(III) assemblies

... The first examples of iridium soft salts were reported in 2010 by Thompson and coworkers[55] Figure 1 and De Cola and co-workers[56] Figure 2a who assembled via salt metathesis reactions[r] ...

88

“Handbook of Metathesis” 2nd Edition250-257

“Handbook of Metathesis” 2nd Edition250-257

... extends metathesis applications to chemical biology by presenting site-selective peptide and protein modifi cation protocols such as CM of sulfur- and selenium-containing substrates, incorporation of allyl ...

8

Ruthenium Vinylidene Complexes148-153

Ruthenium Vinylidene Complexes148-153

... olefin metathesis reactions (RCM, CM, ROMP) seems to be a convenient alternative to the classi- cal ruthenium bisphosphane catalysts largely employed in organic synthesis and polymer chem- ...

6

Functionalized polymers and surfaces via ring-opening metathesis polymerization

Functionalized polymers and surfaces via ring-opening metathesis polymerization

... Development of SI-ROMP is ongoing, in particular as it relates to the produc- tion of component layers in electronic devices. We have shown that SI-ROMP is possible with both norbornene and DCPD, using a variety of ...

134

Functionalized Polymers from Ring-Opening Metathesis Polymerization Through Monomer Design

Functionalized Polymers from Ring-Opening Metathesis Polymerization Through Monomer Design

... secondary metathesis reactions during ROMP, which include intermolecular chain-transfer and intramolecular chain-transfer (back-biting), leading to broadened polymer PDIs and preventing living and ...

123

Index Catalog // Carolina Digital Repository

Index Catalog // Carolina Digital Repository

... Due to the challenging structures of the amphidinols, they have become interesting targets for the synthetic community. Specifically, amphidinol 3 is an attractive target due to its potent biological activity and scarce ...

232

Chemical salt reactions as algebraic hyperstructures

Chemical salt reactions as algebraic hyperstructures

... salt metathesis reaction is a chemical process involving the exchange of bonds between two reacting chemical species, which results in the creation of products with similar or identical bonding ...salt ...

10

Ethyl Linoleate Derivatives from Olefin Metathesis as a Function of the Starting Complex and Reactivity Conditions

Ethyl Linoleate Derivatives from Olefin Metathesis as a Function of the Starting Complex and Reactivity Conditions

... The conversion of B reached 85%, and no significant variation was observed when different amounts of the initial substrate were used. The conversion was measured using the fragment at 12 min relative to the saturated ...

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“Metathesis in Natural Product Synthesis”33-40

“Metathesis in Natural Product Synthesis”33-40

... After an inspiring foreword by Grubbs, a detailed table of contents and the concise preface by the editors, the book begins with a list of structures of the main catalysts involved in the synthetic work, which is fully ...

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