Search Results - "Madsen, Robert"

Dehydrogenative Synthesis of Imines from Alcohols and Amines Catalyzed by a Ruthenium N-Heterocyclic Carbene Complex by Maggi, Agnese, Madsen, Robert

“…A new method for the direct synthesis of imines from alcohols and amines is described where hydrogen gas is liberated. The reaction is catalyzed by the…”
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Silver‐Catalyzed Dehydrogenative Synthesis of Carboxylic Acids from Primary Alcohols by Ghalehshahi, Hajar Golshadi, Madsen, Robert

“…A simple silver‐catalyzed protocol has been developed for the acceptorless dehydrogenation of primary alcohols into carboxylic acids and hydrogen gas. The…”
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Molybdenum‐Catalyzed Dehydrogenative Synthesis of Imines from Alcohols and Amines by Azizi, Kobra, Madsen, Robert

“…A molybdenum N‐heterocyclic carbene catalyst has been developed for the synthesis of imines from primary alcohols and amines with the liberation of dihydrogen…”
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Ruthenium‐Catalyzed Dehydrogenative Decarbonylation of Primary Alcohols by Mazziotta, Andrea, Madsen, Robert

“…Dehydrogenative decarbonylation of a primary alcohol involves the release of both dihydrogen and carbon monoxide to afford the by one carbon unit shorter…”
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Dehydrogenative Synthesis of Carboxylic Acids from Primary Alcohols and Hydroxide Catalyzed by a Ruthenium N‑Heterocyclic Carbene Complex by Santilli, Carola, Makarov, Ilya S, Fristrup, Peter, Madsen, Robert

“…Primary alcohols have been reacted with hydroxide and the ruthenium complex [RuCl2(IiPr)­(p-cymene)] to afford carboxylic acids and dihydrogen. The…”
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Development and mechanistic investigation of the manganese(iii) salen-catalyzed dehydrogenation of alcohols by Samuelsen, Simone V, Santilli, Carola, Ahlquist, Mårten S G, Madsen, Robert

“…The first example of a manganese(iii) catalyst for the acceptorless dehydrogenation of alcohols is presented. ,…”
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Amide Synthesis from Alcohols and Amines Catalyzed by Ruthenium N-Heterocyclic Carbene Complexes by Dam, Johan Hygum, Osztrovszky, Gyorgyi, Nordstrøm, Lars Ulrik, Madsen, Robert

“…The direct synthesis of amides from alcohols and amines is described with the simultaneous liberation of dihydrogen. The reaction does not require any…”
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Human and environmental impacts on river sediment microbial communities by Gibbons, Sean M, Jones, Edwin, Bearquiver, Angelita, Blackwolf, Frederick, Roundstone, Wayne, Scott, Nicole, Hooker, Jeff, Madsen, Robert, Coleman, Maureen L, Gilbert, Jack A

“…Sediment microbial communities are responsible for a majority of the metabolic activity in river and stream ecosystems. Understanding the dynamics in community…”
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Modern methods for shortening and extending the carbon chain in carbohydrates at the anomeric center by Monrad, Rune Nygaard, Madsen, Robert

“…Recent advances in the cleavage and formation of C–C bonds at the anomeric center of carbohydrates are reviewed. Both chemical and enzymatic transformations…”
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The Mechanism for the Rhodium-Catalyzed Decarbonylation of Aldehydes: A Combined Experimental and Theoretical Study by Fristrup, Peter, Kreis, Michael, Palmelund, Anders, Norrby, Per-Ola, Madsen, Robert

“…The mechanism for the rhodium-catalyzed decarbonylation of aldehydes was investigated by experimental techniques (Hammett studies and kinetic isotope effects)…”
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Experimental and Theoretical Mechanistic Investigation of the Iridium-Catalyzed Dehydrogenative Decarbonylation of Primary Alcohols by Olsen, Esben P. K, Singh, Thishana, Harris, Pernille, Andersson, Pher G, Madsen, Robert

“…The mechanism for the iridium–BINAP catalyzed dehydrogenative decarbonylation of primary alcohols with the liberation of molecular hydrogen and carbon monoxide…”
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Chemicals from Renewables: Aerobic Oxidation of Furfural and Hydroxymethylfurfural over Gold Catalysts by Taarning, Esben, Nielsen, Inger S., Egeblad, Kresten, Madsen, Robert, Christensen, Claus H.

“…Aerobic exercise: The biomass‐derived platform chemicals furfural and hydroxymethylfurfural (HMF) are readily oxidized in methanol in the presence of oxygen…”
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Stannylene-Mediated Regioselective 6-O-Glycosylation of Unprotected Phenyl 1-Thioglycopyranosides by Maggi, Agnese, Madsen, Robert

“…A straightforward procedure is described for the synthesis of (1→6)‐linked saccharides by regioselective glycosylation of unprotected glycosyl acceptors…”
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A General and Convenient Method for the Rhodium-Catalyzed Decarbonylation of Aldehydes by Kreis, Michael, Palmelund, Anders, Bunch, Lennart, Madsen, Robert

“…A practical protocol for the decarbonylation of a wide range of aldehydes has been developed by using commercially available RhCl3⋅3 H2O and dppp in a diglyme…”
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Palladium-Catalyzed Aryl Amination-Heck Cyclization Cascade: A One-Flask Approach to 3-Substituted Indoles by Jensen, Thomas, Pedersen, Henrik, Bang-Andersen, Benny, Madsen, Robert, Jørgensen, Morten

“…Two for the price of one: A Pd/dppf‐based catalyst provides access to the title compounds from 1,2‐dihalogenated aromatic compounds and allylic amines in a…”
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Kinetic and Mechanistic Study of Aldose Conversion to Functionalized Furans in Aqueous Solutions by Stefan S. Warthegau, Magnus Karlsson, Robert Madsen, Pernille Rose Jensen, Sebastian Meier

“…Reaction mixtures of naturally abundant aldoses and CH nucleophiles allow for the formation of functionalized furan precursors using low temperatures and…”
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Rhodium-Catalyzed Decarbonylation of Aldoses by Monrad, Rune Nygaard, Madsen, Robert

“…A catalytic procedure is described for decarbonylation of unprotected aldoses to afford alditols with one less carbon atom. The reaction is performed with the…”
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Enzymatic degradation of lignin-carbohydrate complexes (LCCs): Model studies using a fungal glucuronoyl esterase from Cerrena unicolor by d'Errico, Clotilde, Jørgensen, Jonas O., Krogh, Kristian B. R. M., Spodsberg, Nikolaj, Madsen, Robert, Monrad, Rune Nygaard

“…ABSTRACT Lignin‐carbohydrate complexes (LCCs) are believed to influence the recalcitrance of lignocellulosic plant material preventing optimal utilization of…”
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Investigation of Lipid Oxidation in the Raw Materials of a Topical Skin Formulation: A Topical Skin Formulation Containing a High Lipid Content by Thomsen, Birgitte R., Taylor, Richard, Madsen, Robert, Hyldig, Grethe, Blenkiron, Peter, Jacobsen, Charlotte

“…Several studies have demonstrated that lipid oxidation often occurs in topical skin formulations which can affect product odor (both positively and…”
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Synthetic Applications and Mechanistic Studies of the Hydroxide-Mediated Cleavage of Carbon–Carbon Bonds in Ketones by Mazziotta, Andrea, Makarov, Ilya S, Fristrup, Peter, Madsen, Robert

“…The hydroxide-mediated cleavage of ketones into alkanes and carboxylic acids has been reinvestigated and the substrate scope extended to benzyl carbonyl…”
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