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  • 1.
    Bergman, Jan
    et al.
    Department of Organic Chemistry, CNT, Novum Research Park, S-141 52 Huddinge Sweden.
    Venemalm, Lennart
    Department of Organic Chemistry, Royal Institute of Technology, 8-100 44 Stockholm Sweden.
    Gogoll, Adolf
    Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Biochemistry and Organic Chemistry, Organic Chemistry I.
    Synthesis of cyclopent[b]indolones1990In: Tetrahedron, ISSN 0040-4020, E-ISSN 1464-5416, Vol. 46, no 17, p. 6067-6084Article in journal (Refereed)
    Abstract [en]

    A number of cyclopent[b]indol-1-ones as well as -3-ones have been synthesized, using a new methodology involving intramolecular ring closure of α,β-unsaturated acylindoles. In some cases 1,2,3,4-tetrahydrocarbazol-4-ones were obtained. This methodology was used in the syntheses of the indole alkaloid yuehchukene and the carbazole alkaloid analogue demethoxycarbazomycin B.

  • 2. Bäckvall, Jan-E.
    et al.
    Andersson, Pher
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Chemistry. Department of Biochemistry and Organic Chemistry, Organic Chemistry I.
    Palaldium-Catalyzed Stereocontrolled Intramolecular 1,4-Additions to Cyclic 1,3-Dienes Involving Amides as Nucleophiles1990In: J. Am. Chem. Soc, Vol. 112, no 9, p. 3683-3685Article in journal (Refereed)
  • 3.
    Gogoll, Adolf
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Biochemistry and Organic Chemistry, Organic Chemistry I.
    Oscarsson, Sven
    Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Biochemistry and Organic Chemistry, Biochemistry.
    Reaction of pyridine derivatives with butyl glycidyl ether as a model system for glycidyl ether modified agarose: structural assignment by selective inept spectra1990In: Tetrahedron, ISSN 0040-4020, E-ISSN 1464-5416, Vol. 46, no 7, p. 2539-2548Article in journal (Refereed)
    Abstract [en]

    The reaction of 2-thio-pyridine N-oxide, 2-amino-, 2-hydroxy, 2-thio-, and 4-thiopyridine with butyl glycidyl ether was investigated as a model system for the functionalization of 2,3-epoxypropyl activated agarose. Unambiguous structural assignment of the products was provided by selective INEPT and nuclear Overhauser difference spectra. All reactions were shown to give only one of the possible regioisomers. Further conclusions regarding the structure of the agarose derivatives were drawn from IR spectra.

  • 4.
    Gogoll, Adolf
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Biochemistry and Organic Chemistry, Organic Chemistry I.
    Plobeck, Niklas A.
    Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Biochemistry and Organic Chemistry, Organic Chemistry.
    Comparison of one- and two-dimensional techniques in the unambiguous 13C NMR spectral assignment of ellipticine and related indole derivatives1990In: Magnetic Resonance in Chemistry, ISSN 0749-1581, E-ISSN 1097-458X, Vol. 28, p. 635-641Article in journal (Refereed)
    Abstract [en]

    The 13C NMR spectra of several indole derivatives have been completely assigned by reverse detected one-bond and long-range CH correlation spectra (HMQC) and by selective INEPT experiments. The resolution and sensitivity of the two techniques are discussed. As a result, the literature assignments for the previously known compounds have been revised.

  • 5.
    Kocovsky, Pavel
    et al.
    UNIV UPPSALA, DEPT ORGAN CHEM, BOX 531, S-75121 UPPSALA, SWEDEN .
    Langer, Vratislaw
    CHALMERS UNIV TECHNOL, DEPT INORGAN CHEM, S-41296 GOTHENBURG, SWEDEN .
    Gogoll, Adolf
    Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Biochemistry and Organic Chemistry, Organic Chemistry I.
    Structural Requirements for the Thallium(III)‑mediated Cyclisation of Unsaturated Alcohols: A Novel Fragmentation Reaction Producing 19‑Norsteroids1990In: Journal of the Chemical Society. Chemical communications, ISSN 0022-4936, Vol. 15, p. 1028-1028Article in journal (Refereed)
    Abstract [en]

    The unsaturated alcohol (1) is readily cyclised to the hydroxytetrahydrofuran (3) by means of thallium(III), whereas its congener (4) has been found to give (7) as the product of a novel, stereoelectronically controlled, fragmentation; the scope of the tandem electrophilic cyclisation/solvolysis is discussed; the structure of (7) has been determined by X-ray crystallography.

  • 6.
    Kočovský, Pavel
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Biochemistry and Organic Chemistry, Organic Chemistry.
    Pour, Milan
    CZECHOSLOVAK ACAD SCI, INST ORGAN CHEM & BIOCHEM, CS-16610 PRAGUE 6, CZECH REPUBLIC.
    Gogoll, Adolf
    Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Biochemistry and Organic Chemistry, Organic Chemistry I.
    Hanuš, Vladimir
    CZECHOSLOVAK ACAD SCI, J HEYROVSKY INST PHYS CHEM & ELECTROCHEM, CS-18223 PRAGUE 8, CZECH REPUBLIC .
    Smrcina, M.
    CZECHOSLOVAK ACAD SCI, J HEYROVSKY INST PHYS CHEM & ELECTROCHEM, CS-18223 PRAGUE 8, CZECH REPUBLIC .
    Corner Attack on Cyclopropane by Thallium(III) Ions: A Highly Stereospecific Cleavage and Skeletal Rearrangement of 3a,5‑Cyclo‑5a‑cholestan‑6a‑ol1990In: Journal of the American Chemical Society, ISSN 0002-7863, E-ISSN 1520-5126, Vol. 112, no 18, p. 6735-6737Article in journal (Refereed)
  • 7.
    Nájera, Carmen
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Biochemistry and Organic Chemistry, Organic Chemistry.
    Yus, Miguel
    Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Biochemistry and Organic Chemistry, Organic Chemistry.
    Karlsson, Ulrika
    Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Biochemistry and Organic Chemistry, Organic Chemistry.
    Gogoll, Adolf
    Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Biochemistry and Organic Chemistry, Organic Chemistry I.
    Bäckvall, Jan-Erling
    Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Biochemistry and Organic Chemistry, Organic Chemistry.
    Nitroselenation of conjugated dienes: Preparation of 3,4-epoxy-3-nitro-1-alkenes1990In: Tetrahedron Letters, ISSN 0040-4039, E-ISSN 1359-8562, Vol. 31, no 29, p. 4199-4202Article in journal (Refereed)
    Abstract [en]

    Conjugated dienes were transformed to synthetically useful 3,4-epoxy-3-nitro-1-alkenes via a nitroselenation-oxidation sequence.

    Conjugated dienes were transformed to synthetically useful 3,4-epoxy-3-nitroalkenes via a nitroselenation-oxidation sequence.

1 - 7 of 7
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