Search Results - "Alsters, Paul"

Chemoselective formation of cyclo-aliphatic and cyclo-olefinic 1,3-diols via pressure hydrogenation of potentially biobased platform molecules using Knölker-type catalysts by van Slagmaat, Christian A M R, Faber, Teresa, Chou, Khi Chhay, Schwalb Freire, Alfonso J, Hadavi, Darya, Han, Peiliang, Quaedflieg, Peter J L M, Verzijl, Gerard K M, Alsters, Paul L, De Wildeman, Stefaan M A

“…The hydrogenative conversions of the biobased platform molecules 4-hydroxycyclopent-2-enone and cyclopentane-1,3-dione to their corresponding 1,3-diols are…”
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cis-Dihydroxylation and Epoxidation of Alkenes by [Mn2O(RCO2)2(tmtacn)2]:  Tailoring the Selectivity of a Highly H2O2-Efficient Catalyst by de Boer, Johannes W., Brinksma, Jelle, Browne, Wesley R., Meetsma, Auke, Alsters, Paul L., Hage, Ronald, Feringa, Ben L.

“…The carboxylic acid promoted cis-dihydroxylation and epoxidation of alkenes catalyzed by [MnIV 2O3(tmtacn)2]2+ 1 employing H2O2 as oxidant is described. The…”
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Acidic Three-Liquid-Phase Microemulsion Systems Based on Balanced Catalytic Surfactant for Epoxidation and Sulfide Oxidation under Mild Conditions by Fressancourt-Collinet, Marion, Hong, Bing, Leclercq, Loïc, Alsters, Paul. L., Aubry, Jean-Marie, Nardello-Rataj, Véronique

“…Didecyldimethylammonium tungstate has been designed as a balanced catalytic surfactant to form acidic three‐liquid‐phase microemulsion systems at room…”
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Palladium-Catalyzed Selective Anti-Markovnikov Oxidation of Allylic Esters by Dong, Jia Jia, Fañanás-Mastral, Martín, Alsters, Paul L., Browne, Wesley R., Feringa, Ben L.

“…An aldol alternative: The palladium(II)‐catalyzed anti‐Markovnikov oxidation of allylic esters to aldehydes at room temperature provides a viable alternative…”
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A Water-Soluble and “Self-Assembled” Polyoxometalate as a Recyclable Catalyst for Oxidation of Alcohols in Water with Hydrogen Peroxide by Sloboda-Rozner, Dorit, Alsters, Paul L, Neumann, Ronny

“…We have demonstrated that a simply prepared water-soluble polyoxometalate, Na12[WZnZn2(H2O)2(ZnW9O34)2], synthesized from readily available zinc and tungsten…”
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Effect of Additives on Chemoselectivity and Diastereoselectivity in the Catalytic Epoxidation of Chiral Allylic Alcohols with Hydrogen Peroxide and Binuclear Manganese Complexes by Kilic, Hamdullah, Adam, Waldemar, Alsters, Paul L

“…The catalytic oxidations of chiral allylic alcohols 2 by manganese complexes of the cyclic triamine 1,4,7-trimethyl-1,4,7-triazacyclononane (tmtacn) 1 and…”
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Mechanism of Cis-Dihydroxylation and Epoxidation of Alkenes by Highly H2O2 Efficient Dinuclear Manganese Catalysts by de Boer, Johannes W, Browne, Wesley R, Brinksma, Jelle, Alsters, Paul L, Hage, Ronald, Feringa, Ben L

“…In the presence of carboxylic acids the complex [MnIV 2(μ-O)3(tmtacn)2]2+ (1, where tmtacn = N,N‘,N‘ ‘-trimethyl-1,4,7-triazacyclononane) is shown to be highly…”
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Palladium‐Catalyzed Cross‐Dehydrogenative Coupling of o‐Xylene: Evidence of a New Rate‐Limiting Step in the Search for Industrially Relevant Conditions by Álvarez‐Casao, Yolanda, van Slagmaat, Christian A. M. R., Verzijl, Gerard K. M., Lefort, Laurent, Alsters, Paul L., Fernández‐Ibáñez, M. Ángeles

“…An efficient cross‐dehydrogenative coupling of o‐xylene under neat conditions, which brings important industrial benefits towards the synthesis of a monomer…”
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Aqueous Biphasic Oxidation: A Water-Soluble Polyoxometalate Catalyst for Selective Oxidation of Various Functional Groups with Hydrogen Peroxide by Sloboda-Rozner, Dorit, Witte, Peter, Alsters, Paul L., Neumann, Ronny

“…A “sandwich” type polyoxometalate, Na12[(WZn3(H2O)2][(ZnW9O34)2], was used as an oxidation catalyst in aqueous biphasic reaction media to effect oxidation of…”
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“Dark” Singlet Oxygenation of β-Citronellol: A Key Step in the Manufacture of Rose Oxide by Alsters, Paul L, Jary, Walther, Nardello-Rataj, Véronique, Aubry, Jean-Marie

“…We describe the development of a scalable process for the “dark” singlet oxygenation of β-citronellol as a key step in the manufacture of the fragrance…”
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One-Pot Synthesis of (+)-Nootkatone via Dark Singlet Oxygenation of Valencene: The Triple Role of the Amphiphilic Molybdate Catalyst by Bing Hong, Raphaël Lebeuf, Stéphanie Delbaere, Paul L. Alsters, Véronique Nardello-Rataj

“…Efficient one-pot catalytic synthesis of (+)-nootkatone was performed from (+)-valencene using only hydrogen peroxide and amphiphilic molybdate ions. The…”
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Oxidation of Alkenes with H2O2 by an in-Situ Prepared Mn(II)/Pyridine-2-carboxylic Acid Catalyst and the Role of Ketones in Activating H2O2 by Dong, Jia Jia, Saisaha, Pattama, Meinds, Tim G, Alsters, Paul L, Ijpeij, Edwin G, van Summeren, Ruben P, Mao, Bin, Fañanás-Mastral, Martín, de Boer, Johannes W, Hage, Ronald, Feringa, Ben L, Browne, Wesley R

“…A simple, high yielding catalytic method for the multigram scale selective epoxidation of electron-rich alkenes using near-stoichiometric H2O2 under ambient…”
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The unexpected role of pyridine-2-carboxylic acid in manganese based oxidation catalysis with pyridin-2-yl based ligands by Pijper, Dirk, Saisaha, Pattama, de Boer, Johannes W, Hoen, Rob, Smit, Christian, Meetsma, Auke, Hage, Ronald, van Summeren, Ruben P, Alsters, Paul L, Feringa, Ben L, Browne, Wesley R

“…A number of manganese-based catalysts employing ligands whose structures incorporate pyridyl groups have been reported previously to achieve both high turnover…”
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Hydrogenation of Cyclic 1,3-Diones to Their 1,3-Diols Using Heterogeneous Catalysts: Toward a Facile, Robust, Scalable, and Potentially Bio-Based Route by van Slagmaat, Christian A. M. R, Verzijl, Gerard K. M, Quaedflieg, Peter J. L. M, Alsters, Paul L, De Wildeman, Stefaan M. A

“…Cyclopentane-1,3-diol (4b) has gained renewed attention as a potential building block for polymers and fuels because its synthesis from hemicellulose-derived…”
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Manganese catalysed asymmetric cis-dihydroxylation with H2O2 by de Boer, Johannes W, Browne, Wesley R, Harutyunyan, Syuzanna R, Bini, Laura, Tiemersma-Wegman, Theodora D, Alsters, Paul L, Hage, Ronald, Feringa, Ben L

“…High turnover enantioselective alkene cis-dihydroxylation is achieved with H(2)O(2) catalysed by manganese based complexes containing chiral carboxylato…”
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Mechanistic Studies on the Mukaiyama Epoxidation by Wentzel, Bastienne B, Alsters, Paul L, Feiters, Martinus C, Nolte, Roeland J. M

“…A detailed mechanistic study on the Mukaiyama epoxidation of limonene with dioxygen as oxidant, bis(acetylacetonato)nickel(II) as catalyst, and an aldehyde as…”
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Solid Materials as Sources for Synthetically Useful Singlet Oxygen by Wahlen, Joos, De Vos, Dirk E., Jacobs, Pierre A., Alsters, Paul L.

“…Solid materials can generate 1O2 (1Δg) either by irradiation of an immobilized dye in the presence of oxygen, or by catalytic decomposition of H2O2. The…”
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Selective Oxidation of Alcohols to Carbonyl Compounds and Carboxylic Acids with Platinum Group Metal Catalysts by Anderson, Ross, Griffin, Ken, Johnston, Peter, Alsters, Paul L.

“…The use of platinum group metal (PGM) catalysts for the selective oxidation of various primary and secondary alcohols under mild conditions is described. High…”
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N -Hydroxyphthalimide/Cobalt(II) Catalyzed Low Temperature Benzylic Oxidation Using Molecular Oxygen by Wentzel, Bastienne B, Donners, Maurice P.J, Alsters, Paul L, Feiters, Martinus C, Nolte, Roeland J.M

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A Highly Chemoselective, Diastereoselective, and Regioselective Epoxidation of Chiral Allylic Alcohols with Hydrogen Peroxide, Catalyzed by Sandwich-Type Polyoxometalates:  Enhancement of Reactivity and Control of Selectivity by the Hydroxy Group through Metal−Alcoholate Bonding by Adam, Waldemar, Alsters, Paul L, Neumann, Ronny, Saha-Möller, Chantu R, Sloboda-Rozner, Dorit, Zhang, Rui

“…Sandwich-type polyoxometalates (POMs), namely [WZnM2(ZnW9O34)2] q - [M = Mn(II), Ru(III), Fe(III), Pd(II), Pt(II), Zn(II); q = 10−12], are shown to catalyze…”
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