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27 results on '"de Bellefon, A."'

1. ChemInform Abstract: A Safe and Efficient Flow Oxidation of Aldehydes with O2

Author

Aurelien Percheron, Asma Aloui, Claude de Bellefon, Régis Philippe, Laurent Vanoye, Alain Favre-Réguillon, and Mertxe Pablos

Subjects
Flow (mathematics), Continuous flow, Chemistry, Alcohol oxidation, chemistry.chemical_element, Organic chemistry, General Medicine, Oxygen, Flow process, Catalysis
Abstract

A safe, straightforward, and atom economic approach for the oxidation of aliphatic aldehydes to the corresponding carboxylic acids within a continuous flow reactor is reported. Typically, the reaction is performed at room temperature using 5 bar of oxygen in PFA tubing and does require neither additional catalysts nor radical initiators except for those already contained in the starting materials. In some cases, a catalytic amount of a Mn(II) catalyst is added. Such a flow process may prove to be a valuable alternative to traditionally catalyzed aerobic processes.

Published
2014
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5. ChemInform Abstract: Highly Regioselective Bromination of BINAP in [Hmim]PF6Ionic Liquid

Author

Mohammad Jahjah, Stéphane Pellet-Rostaing, Mohammad Alame, Mikael Berthod, Marc Lemaire, Claude de Bellefon, and Valérie Meille

Subjects
chemistry.chemical_compound, chemistry, Yield (chemistry), Ionic liquid, Halogenation, Regioselectivity, Organic chemistry, General Medicine, Selectivity, BINAP
Abstract

Bromination of (R)‐2,2′‐(diphenylphospnino)‐1,1′‐binaphthyl (BINAP) in [Hmim]PF6 ionic liquid was performed with N‐halosuccinimides at 110°C during 12 h, affording the 4,4′‐dibromoBINAP in high yield. The ionic liquid was recycled four times without modification of selectivity or efficiency.

Published
2008
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9. ChemInform Abstract: Catalytic Materials and Heterogeneous Catalysis

Author

Coq, Bernard, primary, Basset, Jean-Marie, additional, Caullet, Philippe, additional, de Bellefon, Claude, additional, Daturi, Marco, additional, Denicourt-Nowicki, Audrey, additional, Galarneau, Anne, additional, Gerardin, Corinne, additional, Granger, Pascal, additional, Khodakov, Andrei Y., additional, and et al., et al., additional

Published
2010
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11. ChemInform Abstract: Stepwise Synthesis and Reactivity of Ph2PCH2PPh2-Stabilized Mixed-Metal Clusters Containing Three or Four Different Metals

Author

C. de Bellefon, Pierre Braunstein, and Michel Ries

Subjects
Mixed metal, Chemistry, Inorganic chemistry, Halide, Reactivity (chemistry), General Medicine, Medicinal chemistry
Abstract

The reactions of carbonylmetalate anions e.g. (Co(CO)4)- (II), (Fe(CO)3NO)-, (Mn(CO)5)-, (Mo(CO)3Cp)-, and (W(CO)3Cp)- with trinuclear clusters of the type (I), (IV) and (VI) occur by substitution of the Pd-bound halide by the carbonylmetalate anions to produce the clusters (III), (V), and (VII).

Published
1990
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15. ChemInform Abstract: Tri- and Tetranuclear Palladium-Cobalt Clusters Containing Bridging Ph2PCH2PPh2(dppm) Ligands. Crystal Structures of (Pd2Co2(μ3-CO)2(CO)5(μ-dppm)2) and (Pd2Co(μ3-CO)2(CO)2(μ-dppm)2) (PF6)

Author

C. de Bellefon, Pierre Braunstein, Jean Fischer, Salah Eddine Bouaoud, Daniel Grandjean, and Michel Ries

Subjects
Crystallography, Bridging (networking), chemistry, chemistry.chemical_element, General Medicine, Crystal structure, Cobalt, Palladium
Published
1988
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27. ChemInform Abstract: A Safe and Efficient Flow Oxidation of Aldehydes with O2.

Author

Vanoye, Laurent, Aloui, Asma, Pablos, Mertxe, Philippe, Regis, Percheron, Aurelien, Favre‐Reguillon, Alain, and de Bellefon, Claude

Subjects
*CHEMICAL equations, *ALDEHYDES, *OXIDATION
Abstract

The article presents chemical equations related to the article "A Safe and Efficient Flow Oxidation of Aldehydes with O2" by L. Vanoye and colleagues, published in the periodical "Organic Letters" in 2013.

Published
2014
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