Communication

Cyclizations via Frustrated Lewis Pairs: Lewis Acid Induced Intramolecular Additions of Amines to Olefins and Alkynes

  1. Tanja Voss1,2,
  2. Chao Chen Dr.1,
  3. Gerald Kehr Dr.1,
  4. Elisa Nauha1,3,
  5. Gerhard Erker Prof. Dr.1,
  6. Douglas W. Stephan Prof. Dr.2

Article first published online: 8 FEB 2010

DOI: 10.1002/chem.200903483

Issue

Chemistry - A European Journal

Chemistry - A European Journal

Volume 16, Issue 10, pages 3005–3008, March 8, 2010

Additional Information

How to Cite

Voss, T., Chen, C., Kehr, G., Nauha, E., Erker, G. and Stephan, Douglas W. (2010), Cyclizations via Frustrated Lewis Pairs: Lewis Acid Induced Intramolecular Additions of Amines to Olefins and Alkynes. Chem. Eur. J., 16: 3005–3008. doi: 10.1002/chem.200903483

Author Information

  1. 1

    Organisch-Chemisches Institut, Westfälische Wilhelms-Universität, 48149 Münster, Correnstrasse 40 (Germany)

  2. 2

    Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, M5S 3H6 (Canada)

  3. 3

    Nanoscience Center, P.O. Box 35, 40014 University of Jyväskylä (Finland)

Publication History

  1. Issue published online: 1 MAR 2010
  2. Article first published online: 8 FEB 2010
  3. Manuscript Received: 18 DEC 2009

Funded by

  • Deutsche Forschungsgemeinschaft
  • Fonds der Chemischen Industrie
  • NSERC of Canada
  • Canada Research Chair
  • Killam Research Fellowship

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Keywords:

  • alkynes;
  • cyclic ammonium salts;
  • cyclization;
  • frustrated Lewis pairs;
  • heterocycles;
  • olefins
Thumbnail image of graphical abstract

Intramolecular additions of amines to olefinic and acetylenic residues in the presence of B(C6F5)3 affords a “frustrated Lewis Pair” strategy to five- and six-membered-ring heterocyclic ammonium borate derivatives (see picture).

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