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Metallomimetic Chemistry of Boron

Please always quote using this URN: urn:nbn:de:bvb:20-opus-186317
  • The study of main-group molecules that behave and react similarly to transition-metal (TM) complexes has attracted significant interest in recent decades. Most notably, the attractive idea of replacing the all-too-often rare and costly metals from catalysis has motivated efforts to develop main-group-element-mediated reactions. Main-group elements, however, lack the electronic flexibility of TM complexes that arises from combinations of empty and filled d orbitals and that seem ideally suited to bind and activate many substrates. In thisThe study of main-group molecules that behave and react similarly to transition-metal (TM) complexes has attracted significant interest in recent decades. Most notably, the attractive idea of replacing the all-too-often rare and costly metals from catalysis has motivated efforts to develop main-group-element-mediated reactions. Main-group elements, however, lack the electronic flexibility of TM complexes that arises from combinations of empty and filled d orbitals and that seem ideally suited to bind and activate many substrates. In this review, we look at boron, an element that despite its nonmetal nature, low atomic weight, and relative redox staticity has achieved great milestones in terms of TM-like reactivity. We show how in interelement cooperative systems, diboron molecules, and hypovalent complexes the fifth element can acquire a truly metallomimetic character. As we discuss, this character is powerfully demonstrated by the reactivity of boron-based molecules with H2, CO, alkynes, alkenes and even with N2.show moreshow less

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Metadaten
Author: Marc-André Légaré, Conor Pranckevicius, Holger Braunschweig
URN:urn:nbn:de:bvb:20-opus-186317
Document Type:Preprint
Faculties:Fakultät für Chemie und Pharmazie / Institut für Anorganische Chemie
Language:English
Parent Title (English):Chemical Reviews
Year of Completion:2019
Source:Chemical Reviews, 2019, 119, 14, 8231-8261. https://doi.org/10.1021/acs.chemrev.8b00561
DOI:https://doi.org/10.1021/acs.chemrev.8b00561
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 54 Chemie / 546 Anorganische Chemie
Tag:boron; catalysis; low-valent main group chemistry; small-molecule activation
Release Date:2019/08/26
Note:
This document is the unedited Author’sv ersion of a Submitted Work that was subsequently accepted for publication in Chemical Reviews,copyright ©American Chemical Society after peer review. To access the final edited and published work see https://doi.org/10.1021/acs.chemrev.8b00561.
EU-Project number / Contract (GA) number:669054
OpenAIRE:OpenAIRE
Licence (German):License LogoDeutsches Urheberrecht