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Publications récentes

nov. 8 2018

Inorg. Chem. [POMAM]

: The electron paramagnetic resonance spectrum of a highly symmetric chromium(III) spin triangle has revealed highly anisotropic and broadened features. These have been analyzed by full Hamiltonian methods, which consider simultaneous distributions of its isotropic and antisymmetric exchange (Dzyaloshinskii−Moriya) interaction parameters. The examination of several broadening models has...[En savoir plus]

oct. 19 2018

Chemistry : A European Journal [CLAC]

Abstract : Porphyrins are conjugated, stable chromophores with a central core that binds a variety of metal ions and an easily functionalized peripheral framework. By combining the catalytic, electronic or cytotoxic properties of selected transition metal complexes with the binding and electronic properties of porphyrins, enhanced characteristics of the ensemble are generated. This review...[En savoir plus]

oct. 19 2018

Chem. Commun. [BCB/POMAM]

Summary : Peptides and proteins with N-terminal amino acid sequences NH2-Xxx-Zzz-His (XZH) form well established high affinity CuII-complexes. Key example is Asp-Ala-His in serum albumin, a Cu-transporter in the blood. This opens a straightforward way to add a high affinity CuII-binding site to almost any peptide or protein, by chemical or recombinant approaches. These motif has been used to...[En savoir plus]

oct. 15 2018

Catalysis Communication [SOCAT]

Abstract : Two chiral diphosphites, (S,S)-5,17-bis(1,1′-binaphthyl-2,2′-dioxyphosphanyloxy)-25,26,27,28-tetrapropyloxycalix[4]arene (1) and (S,S)-5,11-bis(1,1′-binaphthyl-2,2′-dioxyphosphanyloxy)-4(24),6(10),12(16),18(22)-tetramethylenedioxy-2,8,14,20-tetrapentylresorcin[4]arene (2), each based on a conical cavity, were synthesised and assessed in the rhodium-catalysed hydroformylation of vinyl...[En savoir plus]

oct. 11 2018

Structure [IFM]

Abstract : Glycine receptors (GlyR) are pentameric ligand-gated ion channels (pLGIC) that mediate fast inhibitory neurotransmission in the spinal cord and brain stem by switching between discrete conformational states in response to neurotransmitter binding. GlyR dysfunction is linked to several disorders in human including temporal lobe epilepsy, hyperekplexia, and chronic inflammatory pain....[En savoir plus]

oct. 2 2018

European Journal of Organic Chemistry [SOCAT]

Abstract : The bistramides family has shown antitumoral activity. More specifically bistramide K (see figure) exhibits lower toxicity than its congeners. In this work, we describe a highly stereoselective and convergent synthesis of two building blocks of the marine metabolite bistramide K. Thus, we report the synthesis of fragments C1–C18 (89) and C19–C40 (81) of bistramide K. As a challenge,...[En savoir plus]

sept. 28 2018

Chem. Commun. [LSAMM]

Abstract : A dicationic tweezer incorporating two acridinium moieties linked by a 2,6-diphenylpyridine spacer was shown to self-assemble in an entwined dimer both in acetonitrile and water. The reaction was studied according to solvent polarity, temperature and concentration conditions. The entwined structure was confirmed in the solid state via single-crystal X-ray diffraction. Reference :...[En savoir plus]