NDLI: Structurally simple complexes of $CO

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Robertson, Katherine N. Murphy, Luke J. Kemp, Richard A. Tuononen, Heikki M. Clyburne, Jason A. C.
Description	Author Affiliation: Murphy LJ ( The Atlantic Centre for Green Chemistry, Department of Chemistry, Saint Mary's University, Halifax, Nova Scotia B3H 3C3, Canada. jason.clyburne@smu.ca.);
Abstract	The ability to bind $CO_{2}$ through the formation of low-energy, easily-broken, bonds could prove invaluable in a variety of chemical contexts. For example, weak bonds to $CO_{2}$ would greatly decrease the cost of the energy-intensive sorbent-regeneration step common to most carbon capture technologies. Furthermore, exploration of this field could lead to the discovery of novel $CO_{2}$ chemistry. Reduction of complexed carbon dioxide might generate chemical feedstocks for the preparation of value-added products, particularly transportation fuels or fuel precursors. Implementation on a large scale could help to drastically reduce $CO_{2}$ concentrations in the atmosphere. However, literature examples of weakly bonded complexes of $CO_{2}$ are relatively few and true coordination complexes to a ‘naked’ $CO_{2}$ fragment are nearly unheard of. In this review article, a variety of complexes of $CO_{2}$ featuring diverse binding modes and reactivity will be examined. Topics covered include: (A) inclusion complexes of $CO_{2}$ in porous materials. (B) Zwitterionic carbamates produced from the reaction of $CO_{2}$ with polyamines. (C) Carbamate salts produced from reaction of $CO_{2}$ with two equivalents of an amine. (D) Insertion products of $CO_{2}$ into acid-base adducts (e.g., metal complexes). (E) Lewis acid–base activated $CO_{2},$ such as frustrated Lewis pair complexes. (F) Simple $base–CO_{2}$ adducts, wherein the $base–CO_{2}$ bond is the only interaction formed. Complexes in the last category are of particular interest, and include imidazol-2-carboxylates (N-heterocyclic carbene adducts of $CO_{2})$ as well as a few other examples that lie outside NHC chemistry.
ISSN	13597345
Volume Number	51
Journal	Chemical Communications
Issue Number	19
e-ISSN	1364548X
Language	English
Publisher	Royal Society of Chemistry
Publisher Date	2015-02-01
Publisher Place	Great Britain (UK)
Access Restriction	Subscribed
Subject Keyword	Chemistry
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Chemistry Surfaces, Coatings and Films Materials Chemistry Metals and Alloys Electronic, Optical and Magnetic Materials Catalysis

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