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Jawad A, Ahmed S. Analysis and process evaluation of metal dopant (Zr, Cr)-promoted Ga-modified ZSM-5 for the oxidative dehydrogenation of propane in the presence and absence of CO 2†. RSC Adv 2023; 13:11081-11095. [PMID: 37033432 PMCID: PMC10077947 DOI: 10.1039/d2ra08235g] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 04/03/2023] [Indexed: 04/08/2023] Open
Abstract
A systematic study of the comparative performances of 4% Ga-, 4% Zr-, and 1% Cr-impregnated H-ZSM-5 catalysts for oxidative dehydrogenation of propane in the presence and absence of CO2 is presented. It was found that methane, ethene, propene, butene, pentene, and BTX are the major products from all of these catalysts at various reaction temperatures (400–550 °C), WHSV, 4 kgcat s molC3H8−1 and feed gas, C3H8/N2 = 2.5/97.5 and C3H8/CO2/N2 = 2.5/5/92.5; flow rate, 75 mL min−1 under atmospheric pressure for 10 h. The combination of material characterization and catalytic testing revealed that Ga-, Zr-, and Cr-doped H-ZSM-5 are excellent catalysts for this process, helping to achieve around 61% CO2 conversion. The co-doped Ga/H-ZSM-5 catalysts significantly enhanced the activity (65% propane and 61% CO2 conversion at 550 °C) among all the tested catalysts, with approximately 100% total selectivity 62% towards BTX and 26% towards propene, but with lower selectivity for methane, ethene, and pentene (i.e., light hydrocarbons). TPR profiles indicated that the redox cycle between Cr(iii)O6 and Cr(vi)O4 played an important role in the dehydrogenation of C3H6 over Cr/Zr–Ga/H-ZSM-5. CO2 could oxidize a part of the Cr(iii) species to Cr(vi) species under the reaction conditions used. A systematic study of the comparative performances of 4% Ga-, 4% Zr-, and 1% Cr-impregnated H-ZSM-5 catalysts for oxidative dehydrogenation of propane in the presence and absence of CO2 is presented.![]()
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Affiliation(s)
- Abbas Jawad
- Midland Refineries Company MRC/AL Daura Refinery Company/Training and Development Division/BaghdadIraq
| | - Sura Ahmed
- Midland Refineries Company MRC/AL Daura Refinery Company/Maintenance Board/BaghdadIraq
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2
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Kapusta DP, Kulakova AM, Khrenova MG. Modeling the Tautomeric Equilibrium and Absorption Spectrum of 4,5-Dimethyl-2-(2'-hydroxyphenyl)imidazole. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2020. [DOI: 10.1134/s0036024420050118] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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3
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Syzgantseva MA, Stepanov NF, Syzgantseva OA. Band Alignment as the Method for Modifying Electronic Structure of Metal-Organic Frameworks. ACS APPLIED MATERIALS & INTERFACES 2020; 12:17611-17619. [PMID: 32208619 DOI: 10.1021/acsami.0c02094] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Electronic-level ordering in metal-organic frameworks (MOFs) is a route to modulate their electronic properties such as optical absorption, band alignment, work function, charge separation, charge carrier lifetimes, and ground- or excited-state conductivity. A systematic application of this approach requires the knowledge on how a MOF chemical composition affects its electronic structure. In this work, the fundamental principles for selecting MOF components to achieve targeted level alignment are considered. Correlations between the electronic parameters of building blocks and MOF band structure are analyzed. The factors affecting the energy position of constituents are discussed. In particular, the impact of the chemical composition of ligands, including the structure of its scaffold and side groups, on their energy positions in MOFs is addressed. Besides, the effect of the choice of reference potential and surface termination on the band alignment is investigated. The performance of several density functionals in the computation of absolute band positions is assessed. Finally, general principles for the modification of the MOF electronic structure are formulated and the routes to achieve an appropriate band alignment with carrier-transporting materials, co-catalysts, and redox reaction potentials are suggested.
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Affiliation(s)
- Maria A Syzgantseva
- Laboratory of Quantum Mechanics and Molecular Structure, Department of Chemistry, Lomonosov Moscow State University, Moscow 119991, Russia
| | - Nikolay F Stepanov
- Laboratory of Quantum Mechanics and Molecular Structure, Department of Chemistry, Lomonosov Moscow State University, Moscow 119991, Russia
| | - Olga A Syzgantseva
- Laboratory of Molecular Simulation (LSMO), Institut des Sciences et Ingénierie Chimiques, Valais, Ecole Polytechnique Fédérale de Lausanne (EPFL), Rue de l'Industrie 17, CH-1951 Sion, Switzerland
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4
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Oger S, Schapman D, Mougeot R, Leleu S, Lascoux N, Baldeck P, Bénard M, Gallavardin T, Galas L, Franck X. Two-Photon Absorption and Cell Imaging of Fluorene-Functionalized Epicocconone Analogues. Chemistry 2019; 25:10954-10964. [PMID: 31215691 DOI: 10.1002/chem.201902731] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Indexed: 12/13/2022]
Abstract
Epicocconone 1 is a natural chromophore isolated from the fungus Epicoccum nigrum that has shown applications in proteomics and fluorescent microscopy thanks to its unique pro-fluorescence properties. The modification of the skeleton of the natural product by replacing the triene side chain by a fluorenyl scaffold can noticeably increase the fluorophore's absorption coefficient. The synthesis of the analogues of the natural product has been made possible by the use of a palladium-catalyzed carbonylation reaction, allowing the construction of the β-keto-dioxinone key intermediate. Two-photon absorption cross-section measurements of the fluorenyl epicocconone analogues show a structure dependency with values ranging from 60 to 280 GM and live cell imaging show intense staining of intracellular vesicle-like structures around the nucleus.
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Affiliation(s)
- Samuel Oger
- COBRA (UMR 6014 and FR 3038), Normandie Univ, CNRS, INSA Rouen, UNIROUEN, 76000, Rouen, France
| | - Damien Schapman
- PRIMACEN, Cell Imaging Platform of Normandy, Institute for Research and Innovation in Biomedicine (IRIB), Normandie Univ, Inserm, UNIROUEN, 76000, Rouen, France
| | - Romain Mougeot
- COBRA (UMR 6014 and FR 3038), Normandie Univ, CNRS, INSA Rouen, UNIROUEN, 76000, Rouen, France
| | - Stéphane Leleu
- COBRA (UMR 6014 and FR 3038), Normandie Univ, CNRS, INSA Rouen, UNIROUEN, 76000, Rouen, France
| | - Noëlle Lascoux
- Laboratoire de Chimie UMR 5182, Ecole Normale Supérieure de Lyon,CNRS, Université Lyon 1, 46, allée d'Italie, 69364, Lyon Cedex 07, France
| | - Patrice Baldeck
- Laboratoire de Chimie UMR 5182, Ecole Normale Supérieure de Lyon,CNRS, Université Lyon 1, 46, allée d'Italie, 69364, Lyon Cedex 07, France
| | - Magalie Bénard
- PRIMACEN, Cell Imaging Platform of Normandy, Institute for Research and Innovation in Biomedicine (IRIB), Normandie Univ, Inserm, UNIROUEN, 76000, Rouen, France
| | - Thibault Gallavardin
- COBRA (UMR 6014 and FR 3038), Normandie Univ, CNRS, INSA Rouen, UNIROUEN, 76000, Rouen, France
| | - Ludovic Galas
- PRIMACEN, Cell Imaging Platform of Normandy, Institute for Research and Innovation in Biomedicine (IRIB), Normandie Univ, Inserm, UNIROUEN, 76000, Rouen, France
| | - Xavier Franck
- COBRA (UMR 6014 and FR 3038), Normandie Univ, CNRS, INSA Rouen, UNIROUEN, 76000, Rouen, France
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5
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Ariantari NP, Daletos G, Mándi A, Kurtán T, Müller WEG, Lin W, Ancheeva E, Proksch P. Expanding the chemical diversity of an endophytic fungus Bulgaria inquinans, an ascomycete associated with mistletoe, through an OSMAC approach. RSC Adv 2019; 9:25119-25132. [PMID: 35528664 PMCID: PMC9069884 DOI: 10.1039/c9ra03678d] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Accepted: 07/11/2019] [Indexed: 11/21/2022] Open
Abstract
An endophytic fungus Bulgaria inquinans (isolate MSp3-1), isolated from mistletoe (Viscum album), was subjected to fermentation on solid Czapek medium. Chromatographic workup of the crude EtOAc extract yielded five new natural products (1–5). Subsequent application of the “One Strain, MAny Compounds” (OSMAC) strategy on this strain by the addition of a mixture of salts (MgSO4, NaNO3 and NaCl) to solid Czapek medium induced the accumulation of nine additional new secondary metabolites (6–13, 16), with most of them (8, 10–12) not detectable in cultures lacking the salt mixture. The structures of the new compounds were established on the basis of the 1D/2D NMR and HRESIMS data. The TDDFT-ECD method was applied to determine the absolute configurations of the new compounds 1, 4 and 6 as well as of the previously reported bulgarialactone B (14), for which the absolute configuration was unknown so far. The modified Mosher's method was performed to assign the absolute configurations of 12 and 13. TDDFT-ECD analysis also allowed determining the absolute configuration of (+)-epicocconone, which had an enantiomeric absolute configuration in the tricyclic moiety compared to that of bulgarialactone B (14). All the isolated metabolites were evaluated for their cytotoxic activity. Compound 2 was found to possess strong cytotoxic activity against the murine lymphoma cell line L5178Y with an IC50 value of 1.8 μM, while the remaining metabolites were shown to be inactive. OSMAC approach on endophytic Bulgaria inquinans by addition of a mixture of salts (MgSO4, NaNO3 and NaCl) to solid Czapek medium induced the accumulation of new secondary metabolites.![]()
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Affiliation(s)
- Ni P. Ariantari
- Institute of Pharmaceutical Biology and Biotechnology
- Heinrich Heine University Düsseldorf
- 40225 Düsseldorf
- Germany
- Department of Pharmacy
| | - Georgios Daletos
- Institute of Pharmaceutical Biology and Biotechnology
- Heinrich Heine University Düsseldorf
- 40225 Düsseldorf
- Germany
| | - Attila Mándi
- Department of Organic Chemistry
- University of Debrecen
- 4002 Debrecen
- Hungary
| | - Tibor Kurtán
- Department of Organic Chemistry
- University of Debrecen
- 4002 Debrecen
- Hungary
| | - Werner E. G. Müller
- Institute for Physiological Chemistry
- University Medical Center of the Johannes Gutenberg University Mainz
- 55128 Mainz
- Germany
| | - Wenhan Lin
- State Key Laboratory of Natural and Biomimetic Drugs
- Peking University
- 100191 Beijing
- China
| | - Elena Ancheeva
- Institute of Pharmaceutical Biology and Biotechnology
- Heinrich Heine University Düsseldorf
- 40225 Düsseldorf
- Germany
| | - Peter Proksch
- Institute of Pharmaceutical Biology and Biotechnology
- Heinrich Heine University Düsseldorf
- 40225 Düsseldorf
- Germany
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6
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Bonvicini A, Reinholdt P, Tognetti V, Joubert L, Wüstner D, Kongsted J. Rational design of novel fluorescent analogues of cholesterol: a “step-by-step” computational study. Phys Chem Chem Phys 2019; 21:15487-15503. [DOI: 10.1039/c9cp01902b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
State-of-the-art quantum chemical and molecular dynamics simulations are used as guidelines in design of novel fluorescent analogues of cholesterol.
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Affiliation(s)
- Andrea Bonvicini
- Normandy Univ. COBRA UMR 6014 & FR 3038
- Université de Rouen
- INSA Rouen
- CNRS
- 76821 Mont Saint Aignan
| | - Peter Reinholdt
- Department of Physics, Chemistry and Pharmacy
- University of Southern Denmark
- Odense M
- Denmark
| | - Vincent Tognetti
- Normandy Univ. COBRA UMR 6014 & FR 3038
- Université de Rouen
- INSA Rouen
- CNRS
- 76821 Mont Saint Aignan
| | - Laurent Joubert
- Normandy Univ. COBRA UMR 6014 & FR 3038
- Université de Rouen
- INSA Rouen
- CNRS
- 76821 Mont Saint Aignan
| | - Daniel Wüstner
- Department of Biochemistry and Molecular Biology
- University of Southern Denmark
- DK-5230 Odense
- Denmark
| | - Jacob Kongsted
- Department of Physics, Chemistry and Pharmacy
- University of Southern Denmark
- Odense M
- Denmark
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7
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Bonvicini A, Guilhaudis L, Tognetti V, Desmaële D, Sauvonnet N, Oulyadi H, Joubert L. Revisiting absorption and electronic circular dichroism spectra of cholesterol in solution: a joint experimental and theoretical study. Phys Chem Chem Phys 2018; 20:5274-5284. [PMID: 29405212 DOI: 10.1039/c7cp07713k] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cholesterol is doubtless one of the most studied bio-molecules, which unfortunately features low emitting properties, precluding its in vivo study by fluorescence experiments. The design of fluorescent analogues of cholesterol is thus an appealing challenge in biochemistry, which simultaneously requires minor changes in its chemical structure (to retain main biological properties) and considerable enhancement of light emission. To this aim, the photochemical behaviour of the native molecule has to be deeply understood. In this work, we focused our attention on the electronic absorption of cholesterol in several common organic solutions, combining experimental (through ultraviolet-visible and electronic circular dichroism spectroscopy) and theoretical approaches (at the time-dependent density functional theory level) in order to solve the important discrepancies previously reported in the literature on the maximum absorption wavelengths and on the nature (Rydberg and/or π → π*) of the associated electronic transition.
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Affiliation(s)
- Andrea Bonvicini
- Normandy Univ., COBRA UMR 6014 & FR 3038, Université de Rouen, INSA Rouen, CNRS, 1 rue Tesniére 76821 Mont St Aignan, Cedex, France.
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8
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9
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Boumendil S, Cornard JP, Sekkal-Rahal M, Moncomble A. Solvent effects to compute UV–vis spectra for ionic metal complexes. Chem Phys Lett 2015. [DOI: 10.1016/j.cplett.2015.07.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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10
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Laurent AD, Adamo C, Jacquemin D. Dye chemistry with time-dependent density functional theory. Phys Chem Chem Phys 2015; 16:14334-56. [PMID: 24548975 DOI: 10.1039/c3cp55336a] [Citation(s) in RCA: 233] [Impact Index Per Article: 25.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
In this perspective, we present an overview of the determination of excited-state properties of "real-life" dyes, and notably of their optical absorption and emission spectra, performed during the last decade with time-dependent density functional theory (TD-DFT). We discuss the results obtained with both vertical and adiabatic (vibronic) approximations, choosing relevant examples for several series of dyes. These examples include reproducing absorption wavelengths of numerous families of coloured molecules, understanding the specific band shape of amino-anthraquinones, optimising the properties of dyes used in solar cells, mimicking the fluorescence wavelengths of fluorescent brighteners and BODIPY dyes, studying optically active biomolecules and photo-induced proton transfer, as well as improving the properties of photochromes.
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Affiliation(s)
- Adèle D Laurent
- Chimie Et Interdisciplinarité, Synthèse, Analyse, Modélisation (CEISAM), UMR CNRS no. 6230, BP 92208, Université de Nantes, 2, Rue de la Houssinière, 44322 Nantes, Cedex 3, France.
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11
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Peixoto PA, Boulangé A, Ball M, Naudin B, Alle T, Cosette P, Karuso P, Franck X. Design and Synthesis of Epicocconone Analogues with Improved Fluorescence Properties. J Am Chem Soc 2014; 136:15248-56. [DOI: 10.1021/ja506914p] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Philippe A. Peixoto
- Normandie Université, COBRA, UMR 6014 & FR 3038; Université de Rouen; INSA Rouen; CNRS, 1 rue Tesnière, 76821 Mont-Saint-Aignan Cedex, France
| | - Agathe Boulangé
- Normandie Université, COBRA, UMR 6014 & FR 3038; Université de Rouen; INSA Rouen; CNRS, 1 rue Tesnière, 76821 Mont-Saint-Aignan Cedex, France
| | - Malcolm Ball
- Department
of Chemistry and Biomolecular Sciences, Macquarie University, Sydney, NSW 2109, Australia
| | - Bertrand Naudin
- CNRS UMR 6270, PBS & FR3038, Plateforme Protéomique PISSARO, Université de Rouen, 76821 Mont-Saint-Aignan, France
| | - Thibault Alle
- Normandie Université, COBRA, UMR 6014 & FR 3038; Université de Rouen; INSA Rouen; CNRS, 1 rue Tesnière, 76821 Mont-Saint-Aignan Cedex, France
| | - Pascal Cosette
- CNRS UMR 6270, PBS & FR3038, Plateforme Protéomique PISSARO, Université de Rouen, 76821 Mont-Saint-Aignan, France
| | - Peter Karuso
- Department
of Chemistry and Biomolecular Sciences, Macquarie University, Sydney, NSW 2109, Australia
| | - Xavier Franck
- Normandie Université, COBRA, UMR 6014 & FR 3038; Université de Rouen; INSA Rouen; CNRS, 1 rue Tesnière, 76821 Mont-Saint-Aignan Cedex, France
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12
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Syzgantseva OA, Tognetti V, Boulangé A, Peixoto PA, Leleu S, Franck X, Joubert L. Evaluating Charge Transfer in Epicocconone Analogues: Toward a Targeted Design of Fluorophores. J Phys Chem A 2014; 118:757-64. [DOI: 10.1021/jp410407u] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Olga A. Syzgantseva
- Normandy University, COBRA UMR 6014 & FR 3038, Université de Rouen, INSA Rouen, CNRS, 1 rue Tesniére 76821 Mont St Aignan, Cedex, France
| | - Vincent Tognetti
- Normandy University, COBRA UMR 6014 & FR 3038, Université de Rouen, INSA Rouen, CNRS, 1 rue Tesniére 76821 Mont St Aignan, Cedex, France
| | - Agathe Boulangé
- Normandy University, COBRA UMR 6014 & FR 3038, Université de Rouen, INSA Rouen, CNRS, 1 rue Tesniére 76821 Mont St Aignan, Cedex, France
| | - Philippe A. Peixoto
- Normandy University, COBRA UMR 6014 & FR 3038, Université de Rouen, INSA Rouen, CNRS, 1 rue Tesniére 76821 Mont St Aignan, Cedex, France
| | - Stéphane Leleu
- Normandy University, COBRA UMR 6014 & FR 3038, Université de Rouen, INSA Rouen, CNRS, 1 rue Tesniére 76821 Mont St Aignan, Cedex, France
| | - Xavier Franck
- Normandy University, COBRA UMR 6014 & FR 3038, Université de Rouen, INSA Rouen, CNRS, 1 rue Tesniére 76821 Mont St Aignan, Cedex, France
| | - Laurent Joubert
- Normandy University, COBRA UMR 6014 & FR 3038, Université de Rouen, INSA Rouen, CNRS, 1 rue Tesniére 76821 Mont St Aignan, Cedex, France
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13
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Chatterjee S, Karuso P, Boulangé A, Peixoto PA, Franck X, Datta A. The Role of Different Structural Motifs in the Ultrafast Dynamics of Second Generation Protein Stains. J Phys Chem B 2013; 117:14951-9. [DOI: 10.1021/jp4092927] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Soumit Chatterjee
- Department
of Chemistry and Biomolecular Sciences Macquarie University, Sydney, NSW 2109, Australia
| | - Peter Karuso
- Department
of Chemistry and Biomolecular Sciences Macquarie University, Sydney, NSW 2109, Australia
| | - Agathe Boulangé
- Normandie Univ,
COBRA, UMR 6014 et FR 3038; CNRS; Univ Rouen; INSA Rouen, 1 rue Tesnières, 76821 Mont-Saint-Aignan Cedex, France
| | - Philippe A. Peixoto
- Normandie Univ,
COBRA, UMR 6014 et FR 3038; CNRS; Univ Rouen; INSA Rouen, 1 rue Tesnières, 76821 Mont-Saint-Aignan Cedex, France
| | - Xavier Franck
- Normandie Univ,
COBRA, UMR 6014 et FR 3038; CNRS; Univ Rouen; INSA Rouen, 1 rue Tesnières, 76821 Mont-Saint-Aignan Cedex, France
| | - Anindya Datta
- Department
of Chemistry Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
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14
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Peixoto PA, Boulangé A, Leleu S, Franck X. Versatile Synthesis of Acylfuranones by Reaction of Acylketenes with α-Hydroxy Ketones: Application to the One-Step Multicomponent Synthesis of Cadiolide B and Its Analogues. European J Org Chem 2013. [DOI: 10.1002/ejoc.201300166] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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