alexa Cycloisomerization versus hydration reactions in aqueous media: a Au(III)-NHC catalyst that makes the difference.


Organic Chemistry: Current Research

Author(s): TomsMendivil E, Toullec PY, Dez J, Conejero S, Michelet V,

Abstract Share this page

Abstract A novel water-soluble Au(III)-NHC complex has been synthesized and successfully applied in the intramolecular cyclization of γ-alkynoic acids into enol-lactones under biphasic toluene/water conditions, thus representing a rare example of an active and selective catalyst for this transformation in aqueous media. Remarkably, competing alkyne hydration processes were not observed, even during the desymmetrization reaction of challenging 1,6-diyne substrates. In addition, after phase separation, the water-soluble Au(III) catalyst could be recycled 10 times without loss of activity or selectivity. This article was published in Org Lett and referenced in Organic Chemistry: Current Research

Relevant Expert PPTs

Relevant Speaker PPTs

Recommended Conferences

  • 3rd World Chemistry Conference
    September 11-12, 2017 Dallas, USA
  • 2nd International Conference on Biochemistry
    Sep 21-22, 2017 Macau, Hong Kong
  • Chemistry Congress 2017
    October 02-04, 2017 Vancouver, Canada

Relevant Topics

Peer Reviewed Journals
Make the best use of Scientific Research and information from our 700 + peer reviewed, Open Access Journals
International Conferences 2017-18
Meet Inspiring Speakers and Experts at our 3000+ Global Annual Meetings

Contact Us

© 2008-2017 OMICS International - Open Access Publisher. Best viewed in Mozilla Firefox | Google Chrome | Above IE 7.0 version