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Enzymatic and Model Carboxylation and Reduction Reactions for Carbon Dioxide Utilization

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  • © 1990

Overview

Part of the book series: Nato Science Series C: (ASIC, volume 314)

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Table of contents (23 chapters)

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About this book

The activation of carbon dioxide by transition metal complexes has been extensively studied. both experimentally and theoretically. 1 Central reactions in this chemistry are the insertion of C02 into M-X bonds. where X = H. C. 0. and N. (eq. 1-4). We are presently investigating the mechanistic aspects of these reaction processes and will herein deSCribe our current level of understanding. Comparisons of the pathway of the carbon-carbon bond fonning process in transition metal chemistry with the well known analogous chemistry involving organolithium reagents will be presented. Furthermore. the role of these reaction types in both homogeneous and heterogenous catalytic processes leading to useful chemicals will be elaborated. _OM> (1) lMt-H + ~ lMlopi _OM> (2) [Mt-R + C0. 2 [M]0. 2CR _OM> (3) [Mt-OR+ ~ [M]0. 2COR _OM> (4) [Mt-NR2 + C0. 2 [M]~CNR2 Insertion of C02 into the Metal-Hydride Bond. The reaction of anionic group 6 (Cr. Mo. W) transition metal hydrides with carbon dioxide to afford metalloformates occurs readlly at ambient temperature and 2 reduced pressures of carbon dioxide. This insertion process is referred to the normal pathway (Scheme 1). There are no documented cases of C02 insertion into the metal hydride bond to provide the alternative. metallocarboxylic acid. isomer (referred in Scheme 1 as abnormal). 3 Recent theoretical studies ascribe this preference to an unfavorable electrostatic interaction and poorer orbital overlap in the latter pro­ 4 cess. Nevertheless.

Editors and Affiliations

  • Department of Chemistry, University of Bari, Bari, Italy

    M. Aresta

  • Central Research & Development Department, E.I. du Pont de Nemours & Co., Wilmington, USA

    J. V. Schloss

Bibliographic Information

  • Book Title: Enzymatic and Model Carboxylation and Reduction Reactions for Carbon Dioxide Utilization

  • Editors: M. Aresta, J. V. Schloss

  • Series Title: Nato Science Series C:

  • DOI: https://doi.org/10.1007/978-94-009-0663-1

  • Publisher: Springer Dordrecht

  • eBook Packages: Springer Book Archive

  • Copyright Information: Kluwer Academic Publishers 1990

  • Hardcover ISBN: 978-0-7923-0871-3Due: 31 August 1990

  • Softcover ISBN: 978-94-010-6783-6Published: 22 January 2012

  • eBook ISBN: 978-94-009-0663-1Published: 06 December 2012

  • Series ISSN: 1389-2185

  • Edition Number: 1

  • Number of Pages: 452

  • Topics: Inorganic Chemistry, Biochemistry, general, Plant Physiology, Organic Chemistry

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