Department of Organic Chemistry

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Postal Address:

    Department of Organic Chemistry
    University of Geneva
    30, quai Ernest Ansermet
    CH-1211 Geneva 4,
    Switzerland

    Phone:  (+41 22) 702 6111
    Fax:    (+41 22) 328 7396 

Organic Chemistry Faculty

  • Burger, Ulrich
  • Göbel, Michael
  • Kündig, Ernst Peter
  • Lacour, Jérôme
  • Mareda, Jiri
  • Müller, Paul
  • Oppolzer, Wolfgang

  • Collaborators


    Seminar Schedule


    Ulrich Burger, professor

    Phone:  (+41 22) 702 6523      Secretary:  (+41 22) 702 6519
    E-mail: burger@sc2a.unige.ch
    

    Ph.D. University of Munich, Germany, 1970

    Research interest

    Structure and reactivity of biologically active heterocyclic compounds. High resolution NMR spectroscopy.

    Selected publications

    Structures and Rearrangements of Bicyclo[1.1.0]butane Radical Cations : An ESR and ENDOR Study.
    A. Arnold, U. Burger, F. Gerson, E. Kloster-Jensen and S.P. Schmidlin, J. Am. Chem. Soc. 1993, 115, 4271-4281.

    The Influence of the Axial Chirality of Dibenzo[a,c]Cyclooctene on the Configuration of Its Photo-Diels-Alder Adducts.
    U. Burger, P.A. Lottaz, P. Millasson and G. Bernardinelli, Helv. Chim. Acta 1994, 77, 850-858.

    An iridoid diester from Valeriana officinalis var.sambucifolia hairy roots.
    F. Gränicher, Ph. Christen, Ph. Kamalaprija and U. Burger, Phytochemistry, 1995, 38, 103.

    Synthesis, Structure, and Antimalarial Activity of Some Enantiomerically Pure, cis-Fused Cyclopenteno-1,2,4-trioxanes.
    C.W. Jefford, S. Kohmoto, D. Jaggi, G. Timari, J.C. Rossier, M. Rudaz, O. Barbuzzi, D. Gérard, U. Burger, P. Kamalaprija, J. Mareda, G. Bernardinelli, I. Manzanares, C.J. Canfield, S.L. Fleck, B.L. Robinson and W. Peters, Helv. Chim. Acta, 1995, 78, 647-662.

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    Michael Göbel, associate professor

    Phone:   (+41 22) 702 6085      Secretary:   (+41 22) 702 6519
    E-mail:  goebel@sc2a.unige.ch
    

    Ph.D. University of Frankfurt am Main, Germany, 1985

    Research interest

    Bioorganic chemistry, molecular recognition: catalysis of phosphoryl transfer reactions, artificial ribonucleases, nonenzymatic polymerization of RNA, chiral amidines.

    Selected publications

    En Route to Synthetic Phosphodiesterases: Supramolecular Phosphoryl Transfer Mediated by Amidinium Phosphate Contact Ion Pairs.
    M.W. Göbel, J.W. Bats, G. Durner, Angew. Chem. Int. Ed. 1992, 31, 207 - 209.

    Supramolecular Phosphoryl Transfer Reactions Mediated by Amidinium Phosphate Ion Pair Complexes.
    G. Müller, G. Durner, J.W. Bats, M.W. Göbel, Liebigs Ann. Chem. 1994, 1075 - 1092.

    Synthesis of Oligonucleotides Labelled with a Novel Type of Chemically Stable Acridine Dye.
    K. Schutz, M. Kurz, M.W. Göbel, Tetrahedron Lett. 1995, 8407 - 8410.

    Axially chiral Amidinium Ions with a Biaryl Skeleton: A New Class of Structure in Host-Guest Chemistry.
    S. Lehr, K. Schutz, M. Bauch, M.W. Göbel, Angew. Chem. Int. Ed. 1994, 33, 984 - 986.

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    Ernst Peter Kündig, professor

    Phone:   (+41 22) 702 6093      Secretary:  (+41 22) 702 6526
    E-mail:  kundig@sc2a.unige.ch
    

    Ph.D. University of Toronto, Canada, 1975

    Research interest

    Synthetic methodology via organometallics: asymmetric transformations of transition metal coordinated arenes, enantioselective catalysis, chiral transition metal Lewis Acid catalysts, chiral CO-emulating ligands, new chiral amino alcohols as auxiliaries and ligands.

    Selected publications

    Arenes to Substituted Cyclohexadienes: Nucleophile/Electrophile Additions Across an Arene Double Bond.
    E. P. Kündig, A. Ripa, R. Liu, G. Bernardinelli, J. Org. Chem. 1994, 59, 4773-4783.

    Asymmetric Diels-Alder Reactions Catalyzed by a Chiral Iron Lewis Acid.
    E. P. Kündig, B. Bourdin, G. Bernardinelli, Angew. Chem. Int. Ed. Engl. 1994, 33, 1856-1858.

    Addition of Carbanions to a Cationic Cyclopentadienyl(naphthalene)iron Complex.
    E. P. Kündig, P. Jeger, G. Bernardinelli, Angew. Chem. Int. Ed. Engl. 1995, 34, 2161-2163.

    1,2-Asymmetric Induction in Radical Reactions of .alpha.-Amino Acid Derivatives.
    E. P. Kündig, L.-H. Xu, P. Romanens, Tetrahedron Lett. 1995, 36, 4047-4050.

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    Jérôme Lacour, maître assistant

    Phone:   (+41 22) 702 6062      Secretary:  (+41 22) 702 6526
    E-mail:  lacour@sc2a.unige.ch
    

    Ph.D. University of Texas at Austin, U.S.A., 1993

    Research interest

    Organic chemistry: Synthesis of chiral enantiopure anions, application in the development of new reactions and in asymmetric catalysis; Selective C-C bond formation.

    Selected publications

    New Trialkylsilyl Enol Ether Chemistry. Direct .beta.-Azido Functionalization of Triisopropylsilyl Enol Ethers.
    P. Magnus, J. Lacour, J. Am. Chem. Soc. 1992, 114, 767-9.

    New Trialkylsilyl Enol Ether Chemistry. Conjugate Additions Without the Enone!
    P. Magnus, J. Lacour, J. Am. Chem. Soc. 1992, 114, 3993-4.

    Direct N-Alkyl Azidonation of N,N-dialkylarylamines with the Iodosylbenzene/ Trimethyl-silylazide Reagent Combination.
    P. Magnus, J. Lacour, W. Weber, J. Am. Chem. Soc. 1993, 115, 9347-8.

    New Trialkylsilyl Enol Ether Chemistry: .alpha.-N-Tosylamination of Triisopropylsilyl Enol Ethers.
    P. Magnus, J. Lacour, I. Coldham, B. Mugrage, W. Bauta, Tetrahedron 1995, 51, 11087-110.

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    Jiri Mareda, maître d'enseignement et de recherche

    Phone:  (+41 22) 702 6099      Secretary:  (+41 22) 702 6526      Fax:  (+41 22) 329 6102
    E-mail: mareda@sc2a.unige.ch
    

    Ph.D. University of Geneva, Switzerland, 1980

    Research interest

    Applications of computational methods in organic chemistry; theoretical studies of reactive intermediates: carbocations and carbenes; molecular modelling of factors determining selectivity in cycloadditions; strain and steric effects in organic reactions; conformational analysis.

    Selected publications

    Theoretical investigation of intramolecular singlet carbene 1,4- and 1,2-cycloadditions.
    J.D. Evanseck, J. Mareda, K.N. Houk, J. Am. Chem. Soc., 1990, 112, 73-80.

    Bridgehead reactivity in solvolysis reactions.
    P. Müller, J. Mareda, in Cage Hydrocarbons, G.A. Olah Ed., Wiley: New York, 1990, 189-218.

    Ab initio investigations of perhydrotriquinacenyl and other bridgehead carbocations.
    J. Mareda, J. Chem. Soc., Chem. Commun., 1993, 1280-1282.

    Strain and Structural Effects on Rates of Formation and Stability of Tertiary Carbenium Ions in the Light of Molecular Mechanics Calculations.
    P. Müller, J. Mareda, D. Milin, J. Phys. Org. Chem., 1995, 8, 507-528.

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    Müller Paul, professor

    Phone:  (+41 22) 702 6527      Secretary:  (+41 22) 702 6526
    E-mail: muller@sc2a.unige.ch
    

    Ph.D. Swiss Federal Institute of Technology, Zürich, Switzerland, 1966

    Research interest

    Physical-organic chemistry: steric effects, carbenium ions, metalcarbenoids, asymmetric catalysis, catalyzed nitrene transfer.

    Selected publications

    Effective Uses of Dirhodium(II) Tetrakis[methyl 2-oxopyrrolidine-5(R or S)-carboxylate] for Highly Enantioselective Intramolecular Cyclopropenation Reactions.
    M. P. Doyle, M. Protopopova, P. Müller, D. Ene, E. A. Shapiro, J. Am. Chem. Soc. 1994, 116, 8492.

    Enantioselective Formation of Bicyclic Lactones by Rhodium Catalyzed Intramolecular CH-Insertion Reactions.
    P. Müller, P. Polleux, Helv. Chim. Acta 1995, 77, 649.

    Carbenoid Reactions in Rhodium(II)-Catalyzed Decomposition of Iodonium Ylides.
    P. Müller, D. Fernandez, Helv. Chim. Acta 1995, 78, 947.

    Strain and Structural Effects on Rates of Formation and Stability of Tertiary Carbenium Ions in the Light of Molecular Mechanics Calculations.
    P. Müller, J. Mareda, D. Milin, J. Phys. Org. Chem. 1995, 8, 507.

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    Wolfgang Oppolzer, professor

    Phone:  (+41 22) 702 6522      Secretary:  (+41 22) 702 6521     Fax:  (+41 22) 702 6513
    E-mail: oppolzer@sc2a.unige.ch
    

    Ph.D. Swiss Federal Institute of Technology (ETH), Zürich, Switzerland, 1964

    Research interest

    Organic chemistry, new synthetic methods, asymmetric synthesis, transition metal catalyzed cyclizations, organo-magnesium and -zinc reactions natural products synthesis.

    Selected publications

    Enantioselective Synthesis of (+)-3-Isorauniticine via a Catalytic Tandem "Palladium-Ene"/Carbonylation Reaction.
    W. Oppolzer, H. Bienaymé and A. Genevois-Borella, J. Am. Chem. Soc., 1991, 113, 9660-9661.

    Asymmetric Synthesis of .alpha.-Amino Acids and .alpha.-N-Hydroxyamino Acids from N-Acylbornane-10,2-Sultams: 1-Chloro-1-nitrosocyclohexane as a Practical [NH2 +] Equivalent.
    W. Oppolzer, O. Tamura, and J. Deerberg, Helv. Chim. Acta, 1992, 75, 1965-1978.

    Total Synthesis of the Macrolide (+)-Aspicilin by an Asymmetrically Catalysed Macrocyclization of an .omega.-Alkynal Ester.
    W. Oppolzer, R. N. Radinov and J. De Brabander, Tetrahedron Lett., 1995, 36, 2607-2610.

    Asymmetric Synthesis of (-)-Denticulatins A and B via Group-Selective Aldolization of a Meso Dialdehyde with a Chiral N-Propionylsultam.
    W. Oppolzer, J. De Brabander, E. Walther and G. Bernardinelli, Tetrahedron Lett., 1995, 36, 4413-4416.

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