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  • 1.
    Andersson, Pher
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Chemistry. Department of Biochemistry and Organic Chemistry, Organic Chemistry I.
    Sharpless, K. Barry
    A Dramatic Ligand Effect on the Relative Reactive Reactivites of Substituted Alkenes with Osmium Tetroxide1993In: J. Am. Chem. Soc., no 115, p. 7047-7048Article in journal (Refereed)
  • 2.
    Bäckvall, Jan-E.
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Biochemistry and Organic Chemistry, Organic Chemistry I.
    Granberg, Kennth L.
    Andersson, Pher
    Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Biochemistry and Organic Chemistry, Organic Chemistry I.
    Gatti, Roberto
    Gogoll, Adolf
    Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Biochemistry and Organic Chemistry, Organic Chemistry I.
    Stereocontrolled Lactonization Reactions via Palladium-Catalyzed 1,4-Addittion to Conjugated Dienes1993In: Journal of Organic Chemistry, ISSN 0022-3263, E-ISSN 1520-6904, Vol. 58, no 20, p. 5445-5451Article in journal (Refereed)
    Abstract [en]

    Stereocontrolledp alladium(I1)-catalyzed1 ,4-chloro-and 1,4-acetoxylactonizations o f conjugated cyclic dienes have been developed to give stereodefined fused lactones. The stereochemistry of the 1,4- acetoxylactonization was controlled by the ligand on the metal catalyst, and in this way either a cisor truns-acetoxylactonization was obtained. This dual stereoselectivity is explained by a stereocontrolled acetate attack (trans or cis, respectively) on the allyl group in the catalytic (π-allyl)- palladium intermediate. To further strengthen the mechanism the intermediate (π-ally1)palladium complex was isolated and fully characterized. A stereospecific synthesis of cis-  and truns-2-[6- (benzyloxy)-2,4-heptadien-l-yllacetic a cid (cis-  and truns-9) followed by stereoselective Pd(I1)- catalyzed chloro- and acetoxylactonization in acetonelacetic acid resulted in highly functionalized fused lactones with control of the relative stereochemistry at four different carbons.

  • 3. Kolb, Hartmuth
    et al.
    Andersson, Pher
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Chemistry. Department of Biochemistry and Organic Chemistry, Organic Chemistry I.
    Bennani, Youssef
    Crispino, Gerard
    Jeong, Kyu-Sung
    Kwong, Hoi-Lun
    Sharpless, K. Barry
    On1993In: J. Am. Chem. Soc., no 115, p. 12226-12227Article in journal (Refereed)
  • 4. Morikawa, Kouhei
    et al.
    Park, Jeonghan
    Andersson, Pher
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Chemistry. Department of Biochemistry and Organic Chemistry, Organic Chemistry I.
    Hashiyama, Tomiki
    Sharpless, K. Barry
    Catalytic Asymmetric Dihydroxylation of Tetrasubstituted Oelfins1993In: J. Am. Chem. Soc., no 115, p. 8463-8464Article in journal (Refereed)
  • 5. Murakami, Masahiro
    et al.
    Suginome, Michinori
    Fujimoto, Kenzo
    Nakamura, Hiroshi
    Andersson, Pher
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Chemistry. Department of Biochemistry and Organic Chemistry, Organic Chemistry I.
    Ito, Yoshihiko
    Stereoselective Intramolecular Bis-Silylation of Alkenes Promoted by a Palladium-Isocyanide Catalyst Leading to Polyol Synthesis1993In: Stereoselective Intramolecular Bis-Silylation of Alkenes Promoted by a Palladium-Isocyanide Catalsyst Leading to Polyol Synthesis, no 115, p. 6487-6498Article in journal (Refereed)
  • 6. Nilsson, Ylva I. M.
    et al.
    Andersson, Pher
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Chemistry. Department of Biochemistry and Organic Chemistry, Organic Chemistry I.
    Bäckvall, Jan-E.
    Example of Theromodynamic Control in Palladium-Catalyzed Allylic Alkylation. Evidence for Palladium-Assisted Allylic C-C Bond Cleavage1993In: J. Am. Chem. Soc., no 115, p. 6609-6613Article in journal (Refereed)
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