Search Results - "ZHU, Zuolin"

One-pot quantitative hydrolysis of lignocelluloses mediated by black liquor by Zhu, Zuolin, Sun, Meg M., Su, Chungao, Zhao, Hongmei, Ma, Xuemei, Zhu, Zuodong, Shi, Xianlei, Gu, Kangfu

“…[Display omitted] ► Lignocelluloses are hydrolyzed into small organic molecules with good selectivity. ► Cellulose and hemicellulose into small organic acids,…”
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An Enzyme Library Approach to Biocatalysis:  Development of Nitrilases for Enantioselective Production of Carboxylic Acid Derivatives by DeSantis, Grace, Zhu, Zuolin, Greenberg, William A, Wong, Kelvin, Chaplin, Jenny, Hanson, Sarah R, Farwell, Bob, Nicholson, Lawrence W, Rand, Cynthia L, Weiner, David P, Robertson, Dan E, Burk, Mark J

“…The discovery, from Nature, of a large and diverse set of nitrilases is reported. The utility of this nitrilase library for identifying enzymes that catalyze…”
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Epoxide Hydrolase-Catalyzed Enantioselective Synthesis of Chiral 1,2-Diols via Desymmetrization of meso-Epoxides by ZHAO, Lishan, HAN, Bin, HUANG, Zilin, MILLER, Mark, HUANG, Hongjun, MALASHOCK, Dan S., ZHU, Zuolin, MILAN, Aileen, ROBERTSON, Dan E., WEINER, David P., BURK, Mark J.

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Bromide Ions and Methyltrioxorhenium as Cocatalysts for Hydrogen Peroxide Oxidations and Brominations by Espenson, James H, Zhu, Zuolin, Zauche, Timothy H

“…Oxidation of alcohols by hydrogen peroxide is negligible; even when catalyzed by methyltrioxorhenium (MTO), the process requires a long reaction time. The…”
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Kinetics and Mechanism of Oxidation of Anilines by Hydrogen Peroxide As Catalyzed by Methylrhenium Trioxide by Zhu, Zuolin, Espenson, James H

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Organic Reactions Catalyzed by Methylrhenium Trioxide:  Dehydration, Amination, and Disproportionation of Alcohols by Zhu, Zuolin, Espenson, James H

“…Methylrhenium trioxide (MTO) is the first transition metal complex in trace quantity to catalyze the direct formation of ethers from alcohols. The reactions…”
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Organic Reactions Catalyzed by Methylrhenium Trioxide:  Reactions of Ethyl Diazoacetate and Organic Azides by Zhu, Zuolin, Espenson, James H

“…Methylrhenium trioxide (CH3ReO3 or MTO) catalyzes several classes of reactions of ethyl diazoacetate, EDA. It is the first high valent oxo complex for carbene…”
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Catalytic oxygen atom transfer from lignin to cellulose and hemicellulose and its importance in biorefining by Zhu, Zuolin, Zhu, Jonathan

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Reactions of Ethyl Diazoacetate Catalyzed by Methylrhenium Trioxide by Zhu, Zuolin, Espenson, James H

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Aqueous Catalysis:  Methylrhenium Trioxide (MTO) as a Homogeneous Catalyst for the Diels−Alder Reaction by Zhu, Zuolin, Espenson, James H.

“…The title compound proves to be an effective and efficient catalyst for the Diels−Alder reaction when the dienophile is an α,β-unsaturated ketone or aldehyde…”
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Scalable Synthesis of β‑Lactamase Inhibitor QPX7728 by Sequential Nickel-Catalyzed Boron Insertion into a Benzofuran Substrate and Enantioselective Cyclopropanation of the Resulting Vinylboronate by Boyer, Serge H, Gonzalez-de-Castro, Angela, Dielemans, J.A. Hubertus, Lefort, Laurent, Zhu, Zuolin, Gnahn, Matthias, Schörghuber, Julia, Steinhofer, Stefan, de Vries, André H. M, Hecker, Scott J

“…We report the scalable, high-yielding, and highly selective synthesis of the β-lactamase inhibitor QPX7728 featuring two key synthetic steps: nickel-catalyzed…”
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Reactivity of 17-electron organometallic tungsten and molybdenum radicals: a laser flash photolysis study by Scott, Susannah L, Espenson, James H, Zhu, Zuolin

“…Visible (460--490 nm) laser flash photolysis of [CpW(CO)[sub 3]][sub 2] or [CpMo(CO)[sub 3]][sub 2] induces homolysis of the metal-metal bond with formation of…”
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Reactivity of a 17e Organometallic Radical in Aqueous Solution by Zhu, Zuolin, Espenson, James H

“…Laser flash photolysis of [(C[sub 5]H[sub 4]CO[sub 2])W(CO)[sub 3]][sub 2] in aqueous solution at 460-532 nm induces homolysis of the metal-metal bond with…”
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Oxidation of Alkynes by Hydrogen Peroxide Catalyzed by Methylrhenium Trioxide by Zhu, Zuolin, Espenson, James H

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Organometallic Catalysis:  Formation of 1,3-Dioxolanes and Their Analogs Catalyzed by Methylrhenium Trioxide (MTO) by Zhu, Zuolin, Espenson, James H

“…Methylrhenium trioxide (MTO) catalyzes several cycloaddition reactions. 1,3-Dioxolanes were obtained in good yields from the reactions of epoxides with…”
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Methylrhenium trioxide as a catalyst for oxidations with molecular oxygen and for oxygen transfer by Zhu, Zuolin, Espenson, James H.

“…Methylrhenium trioxide (MTO) was found to be a good catalyst for the oxidation of tertiary phosphines by molecular oxygen at room temperature. Evidence is…”
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Chemoenzymatic approaches to the dynamic kinetic asymmetric synthesis of aromatic amino acids by Chaplin, Jennifer A., Levin, Michael D., Morgan, Brian, Farid, Nancy, Li, Jen, Zhu, Zuolin, McQuaid, Jeff, Nicholson, Lawrence W., Rand, Cynthia A., Burk, Mark J.

“…[Display omitted] Enzymatic approaches for the production of amino acids by nitrilases are described. Dynamic kinetic asymmetric synthesis conditions were…”
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Cycloaddition of delta2-thiazolines and acyl ketenes under acidic conditions results in bicyclic 1,3-oxazinones and not 6-acylpenams as earlier reported by Pemberton, Nils, Emtenäs, Hans, Boström, Dan, Domaille, Peter J, Greenberg, William A, Levin, Michael D, Zhu, Zuolin, Almqvist, Fredrik

“…[reaction: see text] Optically active Delta(2)-thiazolines 4 were previously reported to react with acyl Meldrum's acid derivatives 5 under acidic conditions…”
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Cycloaddition of Δ 2 -Thiazolines and Acyl Ketenes under Acidic Conditions Results in Bicyclic 1,3-Oxazinones and Not 6-Acylpenams as Earlier Reported by Pemberton, Nils, Emtenäs, Hans, Boström, Dan, Domaille, Peter J., Greenberg, William A., Levin, Michael D., Zhu, Zuolin, Almqvist, Fredrik

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Cycloaddition of 2-thiazolines and acyl ketenes under acidic conditions results in bicyclic 1,3-oxazinones and not 6-acylpenams as earlier reported by Pemberton, Nils, Emtenäs, Hans, Boström, Dan, Domaille, Peter J, Greenberg, William A, Levin, Michael D, Zhu, Zuolin, Almqvist, Fredrik

“…Optically active 2-thiazolines 4 were previously reported to react with acyl Meldrum's acid derivatives 5 under acidic conditions (HCl (g) in benzene) to…”
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