Singlet Diradicals: from Transition States to Crystalline Compounds

DOI Web Site 被引用文献39件
  • David Scheschkewitz
    UCR-CNRS Joint Research Chemistry Laboratory (UMR 2282), Department of Chemistry, University of California, Riverside, CA 92521–0403, USA.
  • Hideki Amii
    Laboratoire d'Hétérochimie Fondamentale et Appliquée (UMR 5069), Université Paul Sabatier, 118, route de Narbonne, F-31062 Toulouse Cédex 04, France.
  • Heinz Gornitzka
    Laboratoire d'Hétérochimie Fondamentale et Appliquée (UMR 5069), Université Paul Sabatier, 118, route de Narbonne, F-31062 Toulouse Cédex 04, France.
  • Wolfgang W. Schoeller
    Fakultät für Chemie der Universität, Postfach 10 01 31, D-33615 Bielefeld, Germany.
  • Didier Bourissou
    Laboratoire d'Hétérochimie Fondamentale et Appliquée (UMR 5069), Université Paul Sabatier, 118, route de Narbonne, F-31062 Toulouse Cédex 04, France.
  • Guy Bertrand
    UCR-CNRS Joint Research Chemistry Laboratory (UMR 2282), Department of Chemistry, University of California, Riverside, CA 92521–0403, USA.

抄録

<jats:p>Singlet diradicals are usually not energy minima. As observed by femtosecond spectroscopy, they readily couple to form σ bonds. Substituent effects allow lifetimes to increase into the microsecond range. Taking advantage of the properties of hetero-elements, a diradical has been prepared that is indefinitely stable at room temperature. The availability of diradicals that can be handled under standard laboratory conditions will lead to further insight into their chemical and physical properties, raising the likelihood of practical applications, especially in the field of molecular materials such as electrical conductors and ferromagnets.</jats:p>

収録刊行物

  • Science

    Science 295 (5561), 1880-1881, 2002-03-08

    American Association for the Advancement of Science (AAAS)

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