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Träfflista för sökning "WFRF:(Bogar C.) srt2:(2012-2014)"

Search: WFRF:(Bogar C.) > (2012-2014)

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1.
  • Warner, Madeleine C., et al. (author)
  • Dynamic Kinetic Resolution of Homoallylic Alcohols : Application to the Synthesis of Enantiomerically Pure 5,6-Dihydropyran-2-ones and delta-Lactones
  • 2013
  • In: Chemistry - A European Journal. - : Wiley. - 0947-6539 .- 1521-3765. ; 19:41, s. 13859-13864
  • Journal article (peer-reviewed)abstract
    • Dynamic kinetic resolution of various homoallylic alcohols with the use of Candida antarctica lipaseB and ruthenium catalyst 2 afforded homoallylic acetates in high yields and with high enantioselectivity. These enantiopure acetates were further transformed into homoallylic acrylates after hydrolysis of the ester function and subsequent DMAP-catalyzed esterification with acryloyl chloride. After ring-closing metathesis 5,6-dihydropyran-2-ones were obtained in good yields. Selective hydrogenation of the carboncarbon double bond afforded the corresponding -lactones without loss of chiral information.
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2.
  • Warner, Madeleine C., et al. (author)
  • Enantioselective Route to Ketones and Lactones from Exocyclic Allylic Alcohols via Metal and Enzyme Catalysis
  • 2012
  • In: Organic Letters. - : American Chemical Society (ACS). - 1523-7060 .- 1523-7052. ; 14:19, s. 5094-5097
  • Journal article (peer-reviewed)abstract
    • A general and efficient route for the synthesis of enantiomerically pure a-substituted ketones and the corresponding lactones has been developed. Ruthenium- and enzyme-catalyzed dynamic kinetic resolution (DKR) with a subsequent Cu-catalyzed alpha-allylic substitution are the key steps of the route. The a-substituted ketones were obtained in high yields and with excellent enantiomeric excess. The methodology was applied to the synthesis of a naturally occurring caprolactone, (R)-10-methyl-6-undecanolide, via a subsequent Baeyer-Villiger oxidation.
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  • Result 1-2 of 2
Type of publication
journal article (2)
Type of content
peer-reviewed (2)
Author/Editor
Bäckvall, Jan-E. (2)
Bogár, Krisztián (2)
Warner, Madeleine C (2)
Nagendiran, Anuja (1)
Shevchenko, Grigory ... (1)
Jouda, Suzan (1)
University
Stockholm University (2)
Language
English (2)
Research subject (UKÄ/SCB)
Natural sciences (2)

Year

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