4.7 Article

Formation of a Reversible, Intramolecular Main-Group Metal-CO2 Adduct

Journal

INORGANIC CHEMISTRY
Volume 50, Issue 22, Pages 11288-11290

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ic201697g

Keywords

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Funding

  1. National Science Foundation [CHE09-11110, CHE04-43580, CHE08-40523, CHE09-46690]
  2. Sandia National Laboratories [14938, 151300]
  3. Natural Sciences and Engineering Research Council of Canada
  4. United States Department of Energy [DE-AC04-94AL85000]
  5. Direct For Mathematical & Physical Scien
  6. Division Of Chemistry [0840523] Funding Source: National Science Foundation
  7. Direct For Mathematical & Physical Scien
  8. Division Of Chemistry [0946690] Funding Source: National Science Foundation

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The P,P-chelated stannylene [(i-Pr2P)(2)N](2)Sn takes up 2 equiv of carbon dioxide (CO2) to form an unusual product in which CO2 binds to the Sn and P atoms, thus forming a six-membered ring complex. Gentle heating of the solid product releases CO2, indicating that CO2 is bound as an adduct to the main-group complex. The groups bound to the CO2 fragment are not particularly sterically crowded or highly acidic, thus indicating that frustrated Lewis acid-base pairs are not required in the binding of CO2 to main-group elements.

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