Search Results - "Goncalves, Sylvie"

Cationic cyclization of keto-epoxides mediated by zirconium(IV) tetrachloride: diastereoselective synthesis of cis-decalinols by Goncalves, Sylvie, Nicolas, Marc, Maillos, Philippe, Baati, Rachid

“…10-Methyl- cis-9-decalinols are important motifs in several natural products and key intermediates in total synthesis. Herein, we wish to describe a highly…”
Get full text

Microwave-assisted synthesis of 4-keto-4,5,6,7-tetrahydrobenzofurans by Goncalves, Sylvie, Wagner, Alain, Mioskowski, Charles, Baati, Rachid

“…The use of TMSCl in methanol under microwave irradiation allows the intramolecular condensation of a panel of triketones, giving rise to…”
Get full text

Enantioselective Copper-Catalyzed Conjugate Addition of Trimethylaluminum to β,γ-Unsaturated α-Ketoamides: Efficient Access to γ-Methyl-Substituted Carbonyl Compounds by Goncalves-Contal, Sylvie, Gremaud, Ludovic, Alexakis, Alexandre

“…Picture perfect: By using the reagent trimethylaluminium and β,γ‐unsaturated α‐ketoamides, 1,4‐adducts were obtained with perfect 1,4‐regioselectivity and good…”
Get full text

Interface Morphology in Organic Light-Emitting Diodes by Goncalves-Conto, Sylvie, Carrard, Michel, Si-Ahmed, Lynda, Zuppiroli, Libero

“…Heat dissipation can be a problem in organic LEDs, leading to high working temperatures. The SEM study reported here shows that the temperature‐variable…”
Get full text

Influence of the Cavity Size of Water-Soluble Cryptophanes on Their Binding Properties for Cesium and Thallium Cations by Brotin, Thierry, Goncalves, Sylvie, Berthault, Patrick, Cavagnat, Dominique, Buffeteau, Thierry

“…The binding properties of water-soluble cryptophane 1 toward cesium and thallium cations, in basic solution, have recently been reported. In this Article, we…”
Get full text

Enantioselective Copper-Catalyzed Conjugate Addition of Trimethylaluminum to β,γ-Unsaturated α-Ketoamides: Efficient Access to γ-Methyl-Substituted Carbonyl Compounds by Goncalves-Contal, Sylvie, Gremaud, Ludovic, Alexakis, Alexandre

“…Vollständig regioselektiv reagieren β,γ‐ungesättigte α‐Ketoamide bei der Umsetzung mit Trimethylaluminium zu den 1,4‐Addukten, die in guten bis ausgezeichneten…”
Get full text

Diastereoselective formal total synthesis of (+/-)-triptolide via a novel cationic cyclization of 2-alkenyl-1,3-dithiolane by Goncalves, Sylvie, Hellier, Paul, Nicolas, Marc, Wagner, Alain, Baati, Rachid

“…A concise and diastereoselective formal total synthesis of triptolide, a natural product with a wide range of biological properties, is described. The key…”
Get more information

Exploring the one-pot C-acylation of cyclic 1,3-diones with unactivated carboxylic acid by Goncalves, Sylvie, Nicolas, Marc, Wagner, Alain, Baati, Rachid

“…The use of DCC/Et 3N/4-DMAP/DCM provides a general and standard one-pot procedure for the smooth C-acylation of cyclic 1,3-diones with unactivated carboxylic…”
Get full text

Cationic Cyclization of 2-Alkenyl-1,3-dithiolanes: Diastereoselective Synthesis of trans-Decalins by Goncalves, Sylvie, Santoro, Stefano, Nicolas, Marc, Wagner, Alain, Maillos, Philippe, Himo, Fahmi, Baati, Rachid

“…An unprecedented and highly diastereoselective 6-endo-trig cyclization of 2-alkenyl-1,3-dithiolanes has been developed yielding trans-decalins, an important…”
Get full text

An efficient one-pot four-step domino reaction for the synthesis of C2-substituted 3-methylcyclohex-2-enones by Goncalves, Sylvie, Maillos, Philippe, Nicolas, Marc, Wagner, Alain, Baati, Rachid

“…An efficient one-pot four-step domino reaction of substituted β-ketoesters has been optimized giving rise to a large panel of C2-substituted…”
Get full text

Cationic cyclization of 2-alkenyl-1,3-dithiolanes: DiastereoselectiveSynthesis of trans -decalins by Goncalves, Sylvie, Santoro, Stefano, Nicolas, Marc, Wagner, Alain, Maillos, Philippe, Himo, Fahmi, Baati, Rachid

“…An unprecedented and highly diastereoselective 6- endo-trig cyclization of 2-alkenyl-1,3-dithiolanes has beendeveloped yielding trans -decalins, an important…”
Get full text

Solvent-dependent oxidations of 5- and 6-azaindoles to trioxopyrrolopyridines and functionalised azaindoles by Mahiout, Zahia, Lomberget, Thierry, Goncalves, Sylvie, Barret, Roland

“…A regioselective synthesis of 4,7-dimethoxy 5- and 6-azaindoles 2 has been achieved, based on the appropriate choice of ortho-directing or ortho-repulsing…”
Get more information

A Chemometric Approach to Map Reaction Media Chemoselectivity: Example of Selective Debenzylation by Bensel, Nicolas, Klär, Daniel, Catala, Cédric, Schneckenburger, Patrick, Hoonakker, Frank, Goncalves, Sylvie, Wagner, Alain

“…A chemometric process consisting in measuring the reactivity of a set of substrates under standardized and complementary reaction conditions was run to…”
Get full text

Enantioselective Copper-Catalyzed Conjugate Addition of Trimethylaluminum to [beta],[gamma]-Unsaturated [alpha]-Ketoamides: Efficient Access to [gamma]-Methyl-Substituted Carbonyl Compounds by Goncalves-Contal, Sylvie, Gremaud, Ludovic, Alexakis, Alexandre

“…Picture perfect: By using the reagent trimethylaluminium and [beta],γ-unsaturated α-ketoamides, 1,4-adducts were obtained with perfect 1,4-regioselectivity and…”
Get full text

New Therapeutic Strategies for Osteoarthritis : Injective Cell Therapy by Gonçalves, Sylvie

“…Osteoarthritis is a chronic joint disorder characterized by the progressive degeneration of the articular components with an increasing incidence. Its…”
Get full text

Enantioselective Copper-Catalyzed Conjugate Addition of Trimethylaluminum to [beta],[gamma]-Unsaturated [alpha]-Ketoamides: Efficient Access to [gamma]-Methyl-Substituted Carbonyl Compounds by Goncalves-Contal, Sylvie, Gremaud, Ludovic, Alexakis, Alexandre

Get full text

Uma reflexão teórica sobre modelos de avaliação de professores: Estudo comparativo entre um modelo anglo-saxónico e um modelo mediterrânico by Vilas Boas, Sylvie Gonçalves

“…O presente trabalho inscreve-se no âmbito do Mestrado em Supervisão Pedagógica da Universidade Aberta e pretende efectuar um estudo comparativo entre modelos…”
Get full text