Search Results - "Bowyer, Walter J"
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Solvent Effects on Heterogeneous Rate Constants for Indium Mediated Allylations
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (18-03-2021)“…Indium mediated allylation is a highly selective tool for synthetic chemists to create carbon–carbon bonds, but the first step, heterogeneous reaction of allyl…”
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Nature of the intermediates formed during indium mediated allylation under Barbier conditions. Spectroscopic and experimental data on allylindium species
Published in Tetrahedron (30-09-2011)“…[Display omitted]…”
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Heterogeneous Rate Constants for Indium Mediated Allylations: Cinnamyl Chloride in Ethanol/Water Mixtures
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (12-09-2013)“…Indium mediated allylation (IMA) offers a powerful tool to synthetic chemists for creating carbon–carbon bonds. However, its rate limiting step, the…”
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Reactivity of Magnesium Surfaces during the Formation of Grignard Reagents
Published in Journal of organic chemistry (09-02-1996)“…A reaction cell which allows for photomicrographic observation of magnesium surfaces during formation of Grignard reagents is described. As the reaction…”
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Determining Proton Diffusion in Polymer Films by Lifetimes of Luminescent Complexes Measured in the Frequency Domain
Published in Analytical chemistry (Washington) (01-01-2009)“…Polymer-supported luminescent metal complexes represent an important class of oxygen, pH, and ion sensors. The diffusion properties of the analyte into the…”
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Measurement of Heterogeneous Reaction Rates: Three Strategies for Controlling Mass Transport and Their Application to Indium-Mediated Allylations
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (13-10-2011)“…We describe three new strategies for determining heterogeneous reaction rates using photomicroscopy to measure the rate of retreat of metal surfaces: (i)…”
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Measurement of Heterogeneous Reaction Rates during Indium-Mediated Allylation
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (26-03-2009)“…Indium-mediated allylation provides remarkable stereo- and regioselectivity, and it proceeds easily and in high yield in aqueous solutions. In spite of its…”
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Determining Oxygen Diffusion Coefficients in Polymer Films by Lifetimes of Luminescent Complexes Measured in the Frequency Domain
Published in Analytical chemistry (Washington) (01-08-2004)“…Polymer films doped with luminescent ruthenium complexes are proving to be important oxygen sensors. We describe a technique using lifetime measurements in the…”
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Absolute Kinetic Rate Constants and Activation Energies for the Formation of Grignard Reagents
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (24-01-2002)“…This paper reports the first absolute rate constants for the formation of Grignard reagents from magnesium metal and organohalides. The theory that allows…”
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Fluorescence Imaging of the Heterogeneous Reduction of Oxygen
Published in Analytical chemistry (Washington) (01-07-1996)“…The reduction of oxygen at a variety of solid electrodes was spatially imaged using fluorescence microscopy. Hydroxide produced during electrolysis of oxygen…”
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Replication of the conversion of goethite to hematite to make pigments in both furnace and campfire
Published in Journal of archaeological science, reports (01-10-2021)“…[Display omitted] •Conversion of brown goethite to red hematite is replicated in wood fires.•Heating ochre as powder or lump easily generates clean…”
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Can X-ray Diffraction Distinguish Natural from Anthropogenic Hematite? Replication of the Conversion of Natural Goethite in Both Furnace and Campfire
Published in Colorants (06-09-2022)“…Hematite, the mineral that gives color to bright red iron ochres, occurs naturally, but there is much evidence that early humans sometimes artificially…”
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A Novel Format for Seminar during the Senior Year of the College Chemistry Curriculum
Published in Journal of chemical education (01-02-1997)“…A new format for the "senior seminar" is described. Rather than having students and guest speakers present seminars on a miscellany of topics, we find it…”
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Fabrication of band microelectrode arrays from metal foil and heat-sealing fluoropolymer film
Published in Analytical chemistry (Washington) (01-08-1990)Get full text
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Electrochemical reduction of vicinal dinitro compounds
Published in Journal of organic chemistry (01-10-1988)Get full text
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Electrochemical measurements in submicroliter volumes
Published in Analytical chemistry (Washington) (15-02-1992)“…A method for performing three-electrode voltammetry in total solution volumes is described. Through this method, both aqueous and nonaqueous solutions can be…”
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Visualization of the areal distribution of the reactivity of magnesium surfaces in the formation of Grignard reagents
Published in Journal of organic chemistry (01-06-1993)Get full text
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An electrochemical study of the reduction of mono- and bis(iron) cyclophane complexes
Published in Organometallics (01-07-1984)Get full text
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