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      Propriedades e aplicações de clusters trinucleares de carboxilatos de rutênio Translated title: Properties and applications of trinuclear ruthenium carboxylate clusters

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          Translated abstract

          A review with 94 references focusing on mu3-oxo-triruthenium carboxylate clusters is presented. The electronic, magnetic, electrochemical, and catalytic properties of these compounds are discussed. Main synthetic routes and structural characteristics, including their use as building blocks in supramolecular systems are described.

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          Most cited references 118

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          Direct imaging of zero-field dipolar structures in colloidal dispersions of synthetic magnetite.

          Magnetite (Fe3O4) forms the basis of most dispersions studied in the field of magnetic fluids and magnetic colloids. Despite extensive theory and simulations on chain formation in dipolar fluids in zero field, such structures have not yet been imaged in laboratory-made magnetite dispersions. Here, we present the first direct observation of dipolar chain formation in zero field in a ferrofluid containing the largest synthetic single-domain magnetite particles studied so far. To our knowledge, this is the only ferrofluid system available at present that allows quantifying chain length and ring-size distributions of dipolar structures as a function of concentration and particle size.
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            Ligand-accelerated cross-coupling of C(sp2)-H bonds with arylboron reagents.

            A ligand-accelerated Pd(II)-catalyzed C(sp(2))-H/arylboron cross-coupling reaction of phenylacetic acid substrates is reported. Using Ac-Ile-OH as the ligand and Ag(2)CO(3) as the oxidant, a fast, high-yielding, operationally simple, and functional group-tolerant protocol has been developed for the cross-coupling of phenylacetic acid substrates with aryltrifluoroborates. This ligand scaffold has also been shown to improve catalysis using 1 atm O(2) as the sole reoxidant, which sheds light on the path forward in developing optimized ligands for aerobic C-H/arylboron cross-coupling.
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              J. Am. Chem. Soc.

               C. Fyfe,  Y. Zhang,  P. Aroca (2014)
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                Author and article information

                Affiliations
                [1 ] Universidade de São Paulo Brazil
                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                qn
                Química Nova
                Quím. Nova
                Sociedade Brasileira de Química (São Paulo )
                1678-7064
                December 2000
                : 23
                : 6
                : 785-793
                S0100-40422000000600012
                10.1590/S0100-40422000000600012

                http://creativecommons.org/licenses/by/4.0/

                Product
                Product Information: SciELO Brazil
                Categories
                CHEMISTRY, MULTIDISCIPLINARY

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