Results 1 to 10 of about 77 (66)

Crystal structure and Hirshfeld surface analysis of 1-[(E)-2-(5-chloro-2-hydroxyphenyl)hydrazin-1-ylidene]naphthalen-2(1H)-one [PDF]

Acta Crystallographica Section E: Crystallographic Communications, 2021
The title compound, C16H11ClN2O2, was obtained by diazotization of 2-amino-4-chlorophenol followed by a coupling reaction with β-naphthol. There are two molecules (A and B) in the asymmetric unit.
Hassiba Bougueria, Souheyla Chetioui, Mohammed Abdellatif Bensegueni, Jean-Pierre Djukic, Nesrine Benarous   +4 more
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A convenient synthesis of γ-functionalized cyclopentenones [PDF]

Beilstein Journal of Organic Chemistry, 2005
The synthesis of γ-functionalized cyclopentenones was carried out in a few steps, starting firstly with the preparation of nitroketonic intermediates 2, which were readily transformed into 1,4-diketones using the Nef conversion.
Nour Lahmar, Taïcir Ben Ayed, Moncef Bellassoued, Hassen Amri   +3 more
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Supported Molybdenum Carbide and Nitride Catalysts for Carbon Dioxide Hydrogenation [PDF]

Frontiers in Chemistry, 2020
Catalysts based on molybdenum carbide or nitride nanoparticles (2–5 nm) supported on titania were prepared by wet impregnation followed by a thermal treatment under alkane (methane or ethane)/hydrogen or nitrogen/hydrogen mixture, respectively.
Marwa Abou Hamdan, Abdallah Nassereddine, Ruben Checa, Mohamad Jahjah, Catherine Pinel, Laurent Piccolo, Noémie Perret   +6 more
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Cu^I-Zeolite Catalysis for Biaryl Synthesis via Homocoupling Reactions of Phenols or Aryl Boronic Acids [PDF]

Molecules
Due to the importance of biaryls as natural products, drugs, agrochemicals, dyes, or organic electronic materials, a green alternative biaryl synthesis has been developed based on easy-to-prepare and cheap copper(I)-exchanged zeolite catalysts.
Xiaohui Di, Tony Garnier, Arnaud Clerc, Eliott Jung, Christian Lherbet, Valérie Bénéteau, Patrick Pale, Stefan Chassaing   +7 more
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Homo- Versus Hetero- [2+2+2] Rhodium-Catalyzed Cycloaddition: Effect of a Self-Assembled Capsule on the Catalytic Outcome [PDF]

Molecules
The cationic chloro-P-{[4-(diphenylphosphanyl)phenyl]-N,N-dimethylmethanammonio(norbornadiene)rhodium(I) complex was encapsulated inside a self-assembled hexameric capsule.
Maxime Steinmetz, David Sémeril
doaj   +2 more sources

Crystal structure of bis{μ-1-[(E)-(3-methoxyphenyl)diazenyl]naphthalen-2-olato-κ3N2,O:O}bis({1-[(E)-(3-methoxyphenyl)diazenyl]naphthalen-2-olato-κ2N2,O}copper(II)) [PDF]

Acta Crystallographica Section E: Crystallographic Communications, 2015
The title dinuclear CuII complex, [Cu2(C17H13N2O2)4], is located on an inversion centre. The CuII atoms are each five-coordinated in a distorted square-pyramidal geometry by two N atoms and two O atoms from two bidentate ligands and one bridging O atom ...
Souheyla Chetioui, Noudjoud Hamdouni, Christian G. Bochet, Jean-Pierre Djukic, Corinne Bailly   +4 more
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Molecular Modeling Is Key to Understanding Supramolecular Resorcinarenyl Capsules, Inclusion Complex Formation and Organic Reactions in Nanoconfined Space [PDF]

Molecules
This review highlights how advances in silico techniques have shed new light on phenomena in confined supramolecular resorcinarene-based systems. Computational studies have provided detailed insights into capsule formation, their dynamic behavior, guest ...
Maxime Steinmetz, David Sémeril
doaj   +2 more sources

Hydrogenation Versus Hydrosilylation: The Substantial Impact of a Palladium Capsule on the Catalytic Outcome [PDF]

Molecules
A palladium capsule, made of three cavitands, namely P,P-dichlorido{5,17-bis[5-(diphenylphosphanyl)-4(24),6(10),12(16),18(22)-tetramethylenedioxy-2,8,14,20-tetrapentylresorcin[4]arenyl-17-oxymthyl]-4(24),6(10),12(16),18(22)-tetramethylenedioxy-2,8,14,20 ...
Maxime Steinmetz, Rachel Schurhammer, Christophe Gourlaouen, David Sémeril   +3 more
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Optically Pure Calixarenyl Phosphine via Stereospecific Alkylation on Evans’ Oxazolidinone Moiety [PDF]

Molecules
A convenient protocol for the synthesis of 25,26,27-tribenzoyl-28-[((S)-1-diphenylphos- phanyl-propan-2-yl)oxy]-calix[4]arene via stereospecific methylation on Evans’ oxazolidinone moiety was reported. According to the 13C NMR analysis of this phosphine,
Claude Bauder, David Sémeril
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Crystal structure of 1,5-diethyl-1H-1,5-benzodiazepine-2,4(3H,5H)-dithione [PDF]

Acta Crystallographica Section E: Crystallographic Communications, 2015
In the title compound, C13H16N2S2, the seven-membered ring adopts a boat conformation, with the two phenylene C atoms representing the stern and the methylene C atom as the prow. The thione S atoms and N-bound ethyl groups lie on the opposite side of the
Abderrahman Lamkaddem, Mohamed Harcharras, Abdelillah Shaim, Hafid Zouihri, Bousselham Echchahed, Wenhua Bi   +5 more
doaj   +2 more sources