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      Ni(I)–Alkyl Complexes Bearing Phenanthroline Ligands: Experimental Evidence for CO 2 Insertion at Ni(I) Centers

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          Abstract

          Although the catalytic carboxylation of unactivated alkyl electrophiles has reached remarkable levels of sophistication, the intermediacy of (phenanthroline)Ni(I)–alkyl species—complexes proposed in numerous Ni-catalyzed reductive cross-coupling reactions—has been subject to speculation. Herein we report the synthesis of such elusive (phenanthroline)Ni(I) species and their reactivity with CO 2, allowing us to address a long-standing question related to Ni-catalyzed carboxylation reactions.

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          Transformation of carbon dioxide.

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            Recent advances in homogeneous nickel catalysis.

            Tremendous advances have been made in nickel catalysis over the past decade. Several key properties of nickel, such as facile oxidative addition and ready access to multiple oxidation states, have allowed the development of a broad range of innovative reactions. In recent years, these properties have been increasingly understood and used to perform transformations long considered exceptionally challenging. Here we discuss some of the most recent and significant developments in homogeneous nickel catalysis, with an emphasis on both synthetic outcome and mechanism.
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              Transformation of Carbon Dioxide with Homogeneous Transition-Metal Catalysts: A Molecular Solution to a Global Challenge?

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                Author and article information

                Journal
                J Am Chem Soc
                J Am Chem Soc
                ja
                jacsat
                Journal of the American Chemical Society
                American Chemical Society
                0002-7863
                1520-5126
                10 June 2020
                24 June 2020
                : 142
                : 25
                : 10936-10941
                Affiliations
                []Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology , Av. Països Catalans 16, 43007 Tarragona, Spain
                []Departament de Química Analítica i Química Orgànica, Universitat Rovira i Virgili , c/Marcel·lí Domingo 1, 43007 Tarragona, Spain
                [§ ]ICREA , Passeig Lluís Companys 23, 08010 Barcelona, Spain
                []Hylleraas Center for Quantum Molecular Sciences, Department of Chemistry, UiT The Arctic University of Norway , N-9307 Tromsø, Norway
                []Department of Chemistry, Yale University , P.O. Box 208107, New Haven, Connecticut 06520, United States
                Author notes
                Article
                10.1021/jacs.0c04695
                7351122
                32520556
                dd3270e6-2d45-44a7-a9bc-68e1549d9268

                Permits the broadest form of re-use including for commercial purposes, provided that author attribution and integrity are maintained ( https://creativecommons.org/licenses/by/4.0/).

                History
                : 29 April 2020
                Categories
                Communication
                Custom metadata
                ja0c04695
                ja0c04695

                Chemistry
                Chemistry

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