Search Results - "Higman, Carolyn S"

Olefin Metathesis at the Dawn of Implementation in Pharmaceutical and Specialty-Chemicals Manufacturing by Higman, Carolyn S., Lummiss, Justin A. M., Fogg, Deryn E.

“…The recent uptake of molecular metathesis catalysts in specialty‐chemicals and pharmaceutical manufacturing is reviewed. The metathesis industry: Olefin…”
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Chelate-Assisted Ring-Closing Metathesis: A Strategy for Accelerating Macrocyclization at Ambient Temperatures by Higman, Carolyn S, Nascimento, Daniel L, Ireland, Benjamin J, Audörsch, Stephan, Bailey, Gwendolyn A, McDonald, Robert, Fogg, Deryn E

“…Ring-closing metathesis (RCM) offers versatile catalytic routes to macrocycles, with applications ranging from perfumery to production of antiviral drugs…”
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Isomerization During Olefin Metathesis: An Assessment of Potential Catalyst Culprits by Higman, Carolyn S., Plais, Lucie, Fogg, Deryn E.

“…Two ruthenium hydride complexes commonly proposed as agents of unintended isomerization during olefin metathesis are examined for their activity in…”
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The divergent effects of strong NHC donation in catalysis by Lummiss, Justin A M, Higman, Carolyn S, Fyson, Devon L, McDonald, Robert, Fogg, Deryn E

“…Strong σ-donation from NHC ligands (NHC = N-heterocyclic carbene) is shown to have profoundly conflicting consequences for the reactivity of transition-metal…”
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Catalyst Decomposition during Olefin Metathesis Yields Isomerization-Active Ruthenium Nanoparticles by Higman, Carolyn S., Lanterna, Anabel E., Marin, M. Luisa, Scaiano, Juan C., Fogg, Deryn E.

“…The second‐generation Grubbs catalyst, RuCl2(H2IMes)(PCy3) (=CHPh) [GII; H2IMes=1,3‐bis(2,4,6‐trimethylphenyl)‐4,5‐dihydroimidazol‐2‐ylidene, Cy=cyclohexyl],…”
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Bimolecular Coupling as a Vector for Decomposition of Fast-Initiating Olefin Metathesis Catalysts by Bailey, Gwendolyn A, Foscato, Marco, Higman, Carolyn S, Day, Craig S, Jensen, Vidar R, Fogg, Deryn E

“…The correlation between rapid initiation and rapid decomposition in olefin metathesis is probed for a series of fast-initiating, phosphine-free Ru catalysts:…”
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One-Pot 1,1-Dihydrofluoroalkylation of Amines Using Sulfuryl Fluoride by Epifanov, Maxim, Foth, Paul J, Gu, Frances, Barrillon, Charlotte, Kanani, Sahil S, Higman, Carolyn S, Hein, Jason E, Sammis, Glenn M

“…Sulfuryl fluoride, SO2F2, has been known and used as a fumigant for over 50 years but it has only recently gained widespread interest as a reagent for organic…”
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Efficient and Selective Iron-Complex-Catalyzed Hydroboration of Aldehydes by Das, Uttam K, Higman, Carolyn S, Gabidullin, Bulat, Hein, Jason E, Baker, R. Tom

“…An imine-coupled [Fe–N2S2]2 complex, prepared from a readily available benzothiazolidine ligand, catalyzes selectively the hydroboration of aliphatic and…”
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Hands-On Data Analysis: Using 3D Printing To Visualize Reaction Progress Surfaces by Higman, Carolyn S, Situ, Henry, Blacklin, Peter, Hein, Jason E

“…Advances in 3D printing technology over the past decade have led to its expansion into all subfields of science, including chemistry. This technology provides…”
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Unusually Strong Binding of Dinitrogen to a Ruthenium Center by Blacquiere, Johanna M, Higman, Carolyn S, Gorelsky, Serge I, Beach, Nicholas J, Dalgarno, Scott J, Fogg, Deryn E

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Multinuclear Magnetic Resonance Investigation of Crystalline Alkali Molybdates by Wren, John E. C, Greer, Brandon J, Michaelis, Vladimir K, Higman, Carolyn S, Kroeker, Scott

“…A variety of crystalline alkali molybdate phases are characterized by 23Na, 133Cs, and 95Mo magic-angle-spinning nuclear magnetic resonance (MAS NMR) to…”
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A Reactive Ru–Binaphtholate Building Block with Self-Tuning Hapticity by Blacquiere, Johanna M, Higman, Carolyn S, McDonald, Robert, Fogg, Deryn E

“…A versatile Ru–BINO building block is reported, which offers a straightforward entry point into the chemistry of atropisomeric binaphtholate complexes of…”
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Catalyst Decomposition during Olefin Metathesis Yields Isomerization-Active Ruthenium Nanoparticles by Higman, Carolyn S., Lanterna, Anabel E., Marin, M. Luisa, Scaiano, Juan C., Fogg, Deryn E.

“…The front cover artwork for Issue 15/2016 is provided by the Fogg and Scaiano groups at the University of Ottawa (Canada). The image shows a well‐defined,…”
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Cover Picture: Catalyst Decomposition during Olefin Metathesis Yields Isomerization-Active Ruthenium Nanoparticles (ChemCatChem 15/2016) by Higman, Carolyn S., Lanterna, Anabel E., Marin, M. Luisa, Scaiano, Juan C., Fogg, Deryn E.

“…The Front Cover shows an olefin metathesis catalyst entering the catalytic cycle as a well‐defined molecular species, and exiting as ruthenium nanoparticles…”
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Olefinmetathese als aufstrebende Methode zur Herstellung von Pharmazeutika und Spezialchemikalien by Higman, Carolyn S., Lummiss, Justin A. M., Fogg, Deryn E.

“…Dieser Kurzaufsatz behandelt die kürzliche Einführung molekularer Metathesekatalysatoren in die Produktion von Spezialchemikalien und Pharmazeutika. Die…”
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Synthesis and dynamic behaviour of a dimeric ruthenium benzylidene complex bearing a truncated N-heterocyclic carbene ligand by Higman, Carolyn S., Rufh, Stephanie A., McDonald, Robert, Fogg, Deryn E.

“…Described herein is the reaction of the first-generation Grubbs catalyst RuCl2(PCy3)2(=CHPh) (GI) with free IMe4 (1,3,4,5-tetramethylimidazol-2-ylidene), in…”
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Unusually Strong Binding of Dinitrogen to a Ruthenium Center by Blacquiere, Johanna M., Higman, Carolyn S., Gorelsky, Serge I., Beach, Nicholas J., Dalgarno, Scott J., Fogg, Deryn E.

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The divergent effects of strong NHC donation in catalysisElectronic supplementary information (ESI) available: Rate profiles for decomposition of u-GIIm and s-GIIm; X-ray crystallographic details; NOESY spectra, and derivation of the [PCy3]-independence of decomposition. CCDC 1400077. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c5sc02592c by Lummiss, Justin A. M, Higman, Carolyn S, Fyson, Devon L, McDonald, Robert, Fogg, Deryn E

“…Strong σ-donation from NHC ligands (NHC = N-heterocyclic carbene) is shown to have profoundly conflicting consequences for the reactivity of transition-metal…”
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The divergent effects of strong NHC donation in catalysis† †Electronic supplementary information (ESI) available: Rate profiles for decomposition of u-GIIm and s-GIIm; X-ray crystallographic details; NOESY spectra, and derivation of the [PCy3]-independence of decomposition. CCDC 1400077. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c5sc02592c by Lummiss, Justin A. M., Higman, Carolyn S., Fyson, Devon L., McDonald, Robert, Fogg, Deryn E.

“…The inverse relationship between NHC donicity and catalyst initiation. Strong σ-donation from NHC ligands (NHC = N-heterocyclic carbene) is shown to have…”
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Unusually Strong Binding of Dinitrogen to a Ruthenium Center by Blacquiere, Johanna M., Higman, Carolyn S., Gorelsky, Serge I., Beach, Nicholas J., Dalgarno, Scott J., Fogg, Deryn E.

“…Stuck on Ru: The lability of the N2 ligand is thought to limit the efficacy of late‐transition‐metal complexes for the catalytic activation of N2. However,…”
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