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  • Karlsson, Staffan, et al. (author)
  • Organocatalysts Promote Enantioselective 1,3-Dipolar Cycloadditions of Nitrones with 1-Cycloalkene-1-carboxaldehydes
  • 2003
  • In: European Journal of Organic Chemistry. - : Wiley. - 1434-193X .- 1099-0690. ; 2003:15, s. 2782-2791
  • Journal article (peer-reviewed)abstract
    • In the presence of enantiopure organocatalysts, 1-cycloalkene-1-carboxaldehydes and various nitrones furnished fused isoxazolidines. Thus, some chiral pyrrolidinium salts catalyzed the formation of such cycloadducts in high diastereo- and enantioselectivity (up to 92% ee). The predominant diastereomer, the exo one, was mostly obtained in excellent diastereoselectivity (> 99:1 dr). Furthermore, after recrystallization of one of the cycloadducts, this was obtained enantiomerically pure (> 99% ee). The absolute configuration of one of the cycloadducts was determined. 
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  • Result 1-1 of 1
Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Karlsson, Staffan (1)
Högberg, Hans-Erik (1)
University
Mid Sweden University (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
Year
2003 (1)

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