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Publications récentes

juil. 15 2019

Org. Biomol. Chem. [LSAMM]

Abstract: Despite the advantages of photodynamic therapy (PDT) over chemotherapy or radiotherapy such as low side effects, lack of treatment resistance and spatial selectivity inherent to light activation of the drug, several limitations especially related to the photosensitiser (PS) prevent PDT from becoming widespread in oncology. Herein, new folic acid- and biotin-conjugated PSs for...[En savoir plus]

juil. 12 2019


Abstract : Gold(I) complexes containing monodentate PIII ligands built upon methylated α-cyclodextrins have been synthesized and assessed in the cycloisomerization of 1,6-enynes, two of the reactions studied involving prochiral substrates. Their performance was compared with that of previously reported mononuclear and dinuclear α- and β‐cyclodextrin-based AuI complexes. Enantiodiscrimination was...[En savoir plus]

juin 14 2019

Chem. Comm. [BCB] / [POMAM]

Abstract: Copper(II) forms well-known and stable complexes with peptides having histidine at position 2 (Xxx-His) or 3 (Xxx-Zzz-His). Their properties differ considerably due to the histidine positioning. Here we report that in the hybrid motif Xxx-His-His, the Cu(II)-complexes can be switched between the Xxx-His and the Xxx-Zzz-His coordination modes by addition of external...[En savoir plus]

juin 14 2019

Inorg. Chem. [BCB] / [POMAM]

Abstract : It was shown that His3 of human copper transporter 1 (hCtr1) prompts the ATCUN-like Cu(II) coordination for model peptides of the hCtr1 N-terminus. Its high Cu(II) affinity is a potential driving force for the transfer of Cu(II) from extracellular Cu(II) carriers to hCtr1. Having a sequence similar to that of hCtr1, hCtr2 has been proposed as another human copper transporter. However,...[En savoir plus]

juin 14 2019

techniques de l'ingénieur [POMAM]

Résumé : Les propriétés magnétiques des matériaux sont exploitées dans de nombreuses applications : des plus classiques, composants électromécaniques, enregistrement magnétique, aux plus élaborées et futuristes, comme la réfrigération magnétique ou l'électronique de spin. Cet article introduit a notion de Liquide Ionique (LI) avec son extension aux composés incorporant des ions magnétiques...[En savoir plus]

juin 14 2019

Inorg. Chem. [POMAM]

Abstract : Two trinuclear CuII pyrazolato complexes with a Cu3(μ3-E)-core (E = O2– or OH–) and terminal nitrite ligands in two coordination modes were characterized crystallographically, spectroscopically, and electrochemically. One-electron oxidation of the μ3-O species produces a delocalized, mixed-valent, formally CuII2CuIII-nitrite, but no nitrate. In contrast, under reducing...[En savoir plus]

mai 29 2019

Organic & Biomolecular Chemistry [SOPhy]

Abstract : An operationally simple synthesis of activated ynesulfonamides and enesulfonamides is described.  Ynesulfonamides can be obtained through reaction of sulfonylamides with activated bromoalkynes and Triton B in a short time at room temperature. Likewise, terminal alkynes react with sulfonylamides to provide enesulfonamides. Z/E enesulfonamides can be transformed exclusively into E...[En savoir plus]