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Your search keyword '"Van Meervelt, Luc"' showing total 11 results
Start Over Author "Van Meervelt, Luc" Topic ring closure reactions
11 results on '"Van Meervelt, Luc"'

1. ChemInform Abstract: Ligand-Controlled Product Selectivity in Palladium-Catalyzed Domino post-Ugi Construction of (Spiro)polyheterocycles.

Author

Li, Zhenghua, Sharma, Nandini, Sharma, Upendra K., Jacobs, Jeroen, Van Meervelt, Luc, and Van der Eycken, Erik V.

Subjects
*HETEROCYCLIC compounds, *LIGANDS (Chemistry), *PALLADIUM catalysts
Abstract

The title compounds are prepared by domino cyclization of Ugi-adducts using XantPhos or BINAP as ligand. [ABSTRACT FROM AUTHOR]

Published
2016
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2. ChemInform Abstract: Supported Gold Nanoparticles as Efficient and Reusable Heterogeneous Catalyst for Cycloisomerization Reactions.

Author

Schroeder, Felix, Ojeda, Manuel, Erdmann, Nico, Jacobs, Jeroen, Luque, Rafael, Noel, Timothy, Van Meervelt, Luc, Van der Eycken, Johan, and Van der Eycken, Erik V.

Subjects
*GOLD nanoparticles, *GOLD catalysts, *CYCLOISOMERIZATION
Abstract

The novel catalyst system contains gold nanoparticles supported on Al-SBA15 prepared by the ball-milling process. [ABSTRACT FROM AUTHOR]

Published
2015
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3. ChemInform Abstract: Solvent Switchable Cycloaddition: A (One-Pot) Metal-Free Approach Towards N-Substituted Benzo[e]- or [f]Isoindolones via C(sp2)-H Functionalization.

Author

Ambasana, Pratik A., Vachhani, Dipak D., Galli, Marzia, Jacobs, Jeroen, Van Meervelt, Luc, Shah, Anamik K., and Van der Eycken, Erik V.

Subjects
*CHEMICAL equations, *RING formation (Chemistry), *SUBSTITUTION reactions
Abstract

The article presents chemical equations related to the article "A (One-Pot) Metal-Free Approach Towards N-Substituted Benzo[e]- or [f]Isoindolones via C(sp²)-H Functionalization" by P. A. Ambasana and others, published in a 2014 issue of the periodical "Organic & Biomolecular Chemistry".

Published
2015
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4. ChemInform Abstract: Unexpected Regio- and Chemoselectivity of Cationic Gold-Catalyzed Cycloisomerizations of Propargylureas: Access to Tetrasubstituted 3,4-Dihydropyrimidin-2(1H)-ones.

Author

Pereshivko, Olga P., Peshkov, Vsevolod A., Peshkov, Anatoly A., Jacobs, Jeroen, Van Meervelt, Luc, and Van der Eycken, Erik V.

Subjects
*CYCLOISOMERIZATION, *CHEMOSELECTIVITY, *PYRIMIDINES
Abstract

An abstract of the article "Unexpected Regio- and Chemoselectivity of Cationic Gold-Catalyzed Cycloisomerizations of Propargylureas: Access to Tetrasubstituted 3,4-Dihydropyrimidin-2(1H)-ones" by Olga P. Pereshivko, Anatoly A. Peshkov, Luc Van Meervelt, and Erik V. Van der Eycken is presented.

Published
2014
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5. ChemInform Abstract: Synthesis and Structure of New Imidazo- and Pyrazolo[5,1-d][1,2,3,5]thiatriazines Based on the Reaction of Diazoazoles with Acyl Isothiocyanates Controlled by S···O Interaction.

Author

Sadchikova, Elena V., Bakulev, Vasiliy A., Subbotina, Julia O., Privalova, Darya L., Dehaen, Wim, Van Hecke, Kristof, Robeyns, Koen, Van Meervelt, Luc, and Mokrushin, Vladimir S.

Subjects
*RING formation (Chemistry), *PYRAZOLES, *HETEROCYCLIC compounds synthesis, *IMIDAZOLES, *ISOTHIOCYANATES, *CYCLOPOLYMERIZATION, *HETEROCYCLIC compounds
Abstract

Cycloaddition reactions of 5-diazopyrazoles and 5-diazoimidazoles with acyl isothiocyanates give thiatriazine derivatives. [ABSTRACT FROM AUTHOR]

Published
2013
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6. ChemInform Abstract: Synthesis and Structural Exploration of Disulfide Bridged [2n] Pillararene-Like Molecules.

Author

Sonawane, Mahendra P., Jacobs, Jeroen, Thomas, Joice, Van Meervelt, Luc, and Dehaen, Wim

Subjects
*DISULFIDES, *MACROCYCLIC compounds, *MOLECULAR structure, *CHEMICAL reduction, *CYCLOPHANES, *DENDRIMERS
Abstract

The reduction of cyclic bistetrasulfide (II) and a subsequent oxidation of intermediate thiolate with air gives rise to cyclic compound (III) bearing disulfide bridges. [ABSTRACT FROM AUTHOR]

Published
2013
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7. ChemInform Abstract: Cationic Gold- and Silver-Catalyzed Cycloisomerizations of Propargylic Ureas: A Selective Entry to Oxazolidin-2-imines and Imidazolidin-2-ones.

Author

Pereshivko, Olga P., Peshkov, Vsevolod A., Jacobs, Jeroen, Van Meervelt, Luc, and Van der Eycken, Erik V.

Subjects
*GOLD catalysts, *SILVER catalysts, *CYCLOISOMERIZATION, *UREA, *OXAZOLIDINES, *IMINES, *IMIDAZOLIDINES
Abstract

Application of cationic Au(I) catalysis generally results in the formation of oxazolidin product (III) as a major one while the application of AgOTf selectively provides the N-cyclized imidazolidin (IV). [ABSTRACT FROM AUTHOR]

Published
2013
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10. ChemInform Abstract: Microwave-Assisted Synthesis of Pyrazino[2,1-b]quinazolines and 3-Indolyl-2(1H)-pyrazinones Employing a Chemoselective Silver(I)- and Gold(I)-Catalyzed Reaction.

Author

Vachhani, Dipak D., Mehta, Vaibhav P., Modha, Sachin G., Van Hecke, Kristof, Van Meervelt, Luc, and Van der Eycken, Erik V.

Abstract

The different heterocyclic scaffolds are obtained from the same substrates under microwave-assisted conditions using AgOTf or AuCl as catalysts, respectively. [ABSTRACT FROM AUTHOR]

Published
2012
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