Publications


  1. “Highlights from the Scientific Work of Charles William Jefford”
    Burger, U.
    CHIMIA 2009, 63, 851-854.
  1. “Photo-rearrangement of N-substituted pyridinium and meta-alkoxypyridinium ions”
    Grove, K.; King, R. A.; Burger, U.
    J. Mol. Struct. 2007, 807, 25-32.
  1. “The Photohydration of N-Alkylpyridinium Salts: Theory and Experiment”
    King, R. A.; Lüthi, H. P.; Schaefer III, H. F.; Glarner, F.; Burger, U.
    Chem. Eur. J. 2001, 7, 1734-1742.
  1. “The Photohydration of N-Glycosylpyridinium Salts and of Related Pyridinium N,O-Acetals”
    Glarner, F.; Acar, B.; Etter, I.; Damiano, T.; Acar, E. A.; Bernardinelli, G.; Burger, U.
    Tetrahedron 2000, 56, 4311-4316.
  1. “Epiartemisinin, a Remarkably Poor Antimalarial: Implications for the Mode of Action”
    Jefford, C. W.; Burger, U.; Millasson-Schmidt, P.; Bernardinelli, G.; Robinson, B. L.; Peters, W.
    Helv. Chim. Acta 2000, 83, 1239-1246.
  1. “Formation of peptide impurities in polyester matrices during implant manufacturing”
    Rothen-Weinhold, A.; Oudry, N.; Schwach-Abdellaoui, K.; Frutiger-Hughes, S.; Hughes, G. J.; Jeannerat, D.; Burger, U.; Besseghir, K.; Gurny, R.
    Eur. J. Pharm. Biopharm. 2000, 49, 253-257.
  1. “A novel acylated flavonol glycoside isolated from Brunfelsia grandiflora ssp. grandiflora. Structure elucidation by gradient accelerated NMR spectroscopy at 14T”
    Brunner, G.; Burger, U.; Castioni, P.; Kapetanidis, I.; Christen, P.
    Phytochem. Anal. 2000, 11, 29-33.
  1. “New Cyclization Reaction at the Amino Terminus of Peptides and Proteins”
    Rose, K.; Chen, J.; Dragovic, M.; Zeng, W.; Jeannerat, D.; Kamalaprija, P.; Burger, U.
    Bioconjugate Chem. 1999, 10, 1038-1043.
  1. “NSCG-Kommission 'Curriculum Chemie': Eine Bestandesaufnahme über Studium, Promotion und Berufsaussichten junger Chemikerinnen und Chemiker von 1992-1996 (Statistischer Teil)”
    Leumann, C.; Allan, M.; Burger, U.; Erni, B.; Grützmacher, H.; Hauser, A.; Heimgartner, H.; Huber, H.; Jenny, T.; Neier, R.; Oehme, M.; Süss-Fink, G.; Wyler, H.
    CHIMIA 1999, 53, 256-260.
  1. “Aminocyclopentitols from N-Alkylpyridinium Salts: A photochemical approach”
    Acar, E. A.; Glarner, F.; Burger, U.
    Helv. Chim. Acta 1998, 81, 1095-1114.
  1. nolO and noeI (HsnIII) of Rhizobium sp. NGR234 Are Involved in 3-O-Carbamoylation and 2-O-Methylation of Nod Factors”
    Jabbouri, S.; Relić, B.; Hanin, M.; Kamalaprija, P.; Burger, U.; Promé, D.; Promé, J. C.; Broughton, W. J.
    J. Biol. Chem. 1998, 273, 12047-12055.
  1. Rhizobium sp. Strain NGR234 NodZ Protein Isa Fucosyltransferase”
    Quesada-Vincens, D.; Fellay, R.; Nasim, T.; Viprey, V.; Burger, U.; Prome, J.-C.; Broughton, W. J.; Jabbouri, S.
    J. Bacteriol. 1997, 179, 5087-5093.
  1. “The Secalosides, Novel Tumor Cell Growth Inhibitory Glycosides from a Pollen Extract”
    Jaton, J.-C.; Roulin, K.; Rose, K.; Sirotnak, F. M.; Lewenstein, A.; Brunner, G.; Fankhauser, C. P.; Burger, U.
    J. Nat. Prod. 1997, 60, 356-360.
  1. “6-Azabicyclo[3.1.0]hex-30-en-2-ol Derivative, photochemically generated building blocks for bicyclic β-lactams”
    Glarner, F.; Thornton, S. R.; Schärer, D.; Bernardinelli, G.; Burger, U.
    Helv. Chim. Acta 1997, 80, 121-127.
  1. “The Deoxygenation and Isomerization of Artemisinin and Artemether and Their Relevance to Antimalarial Action”
    Jefford, C. W.; Vicente, M. G. H.; Jacquier, Y.; Favarger, F.; Mareda, J.; Millasson-Schmidt, P.; Brunner, G.; Burger, U.
    Helv. Chim. Acta 1996, 79, 1475-1487.
  1. “Acid-Catalysed Backbone Rearrangement of cholesta-6,8(14)-dienes”
    Liu, R.-M.; Chillier, X. F. D.; Kamalaprija, P.; Burger, U.; Gülaçar, F. O.
    Helv. Chim. Acta 1996, 79, 989-998.
  1. “The cyanide catalyzed isomerization of enol esters derived from cyclic 1,3-diketones”
    Burger, U.; Montes, I. F.
    Tetrahedron Lett. 1996, 37, 1007-1010.
  1. “Involvement of nodS in N-Methylation and nodU in 6-O-Carbamoylation of Rhizobium sp. NGR234 Nod Factors”
    Jabbouri, S.; Fellay, R.; Talmont, F.; Kamalaprija, P.; Burger, U.; Relić, B.; Promé, J.-C.; Broughton, W. J.
    J. Biol. Chem. 1995, 270, 22968-22973.
  1. “Synthesis, Structure, and Antimalarial Activity of Some Enantiomerically Pure, cis-fused cyclopenteno-1,2,4-trioxanes”
    Jefford, C. W.; Kohmoto, S.; Jaggi, D.; Timári, G.; Rossier, J.-C.; Rudaz, M.; Barbuzzi, O.; Gérard, D.; Burger, U.; Kamalaprija, P.; Mareda, J.; Bernardinelli, G.; Manzanares, I.; Canfield, C. J.; Feck, S. L.; Robinson, B. L.; Peters, W.
    Helv. Chim. Acta 1995, 78, 647-662.
  1. “Isolation and Characterization of a Cyclic Hydroxamic Acid from a Pollen Extract, Which Inhibits Cancerous Cell Growth in Vitro”
    Zhang, X.; Habib, F. K.; Ross, M.; Burger, U.; Lewenstein, A.; Rose, K.; Jaton, J.-C.
    J. Med. Chem. 1995, 38, 735-738.
  1. “An iridoid diester from valeriana officinalis var. sambucifolia hairy roots”
    Gränicher, F.; Christen, P.; Kamalaprija, P.; Burger, U.
    Phytochemistry 1995, 38, 103-105.
  1. “The Influence of the Axial Chirality of Dibenzo[a,c]cyclooctene on the Configuration of Its Photo-Diels-Alder Adducts”
    Burger, U.; Lottaz, P.-A.; Millasson, P.; Bernardinelli, G.
    Helv. Chim. Acta 1994, 77, 850-858.
  1. “Applications of ENDOR spectroscopy to radical cations in Freon matrixes. Part 10. Structures and rearrangements of bicyclo[1.1.0]butane radical cations: an ESR and ENDOR study”
    Arnold, A.; Burger, U.; Gerson, F.; Kloster-Jensen, E.; Schmidlin, S. P.
    J. Am. Chem. Soc. 1993, 115, 4271-4281.
  1. “A convenient synthesis of dibenzo[a,c]cyclooctene based on thioenol ether reduction”
    André Lottaz, P.; Edwards, T. R.; Mentha, Y. G.; Burger, U.
    Tetrahedron Lett. 1993, 34, 639-642.
  1. “Photolysis and Thermal Decay of the Sulfur Dioxide Adducts of Benzobenzvalene”
    Burger, U.; Schmidlin, S.; Mareda, J.
    Phosphorus, Sulfur Silicon Relat. Elem. 1993, 74, 417-418.
  1. “Crystal structure of 3,3a,4,5,6,6a-hexahydro-3-[1-indenyl]-5-phenyl-[1,2]-oxathiolo-[4,5c]pyrrole-4,6-dione 2-oxide, C20H15NO4S”
    Bernardinelli, G.; Burger, U.; Schmidlin, S. P.
    Z. Kristallogr. 1993, 203, 123-125.
  1. “Cyclopenteno-1,2,4-trioxanes as effective antimalarial surrogates of artemisinin”
    Jefford, C. W.; Misra, D.; Rossier, J. C.; Kamalaprija, P.; Burger, U.; Mareda, J.; Bernardinelli, G.; Peters, W.; Robinson, B. L.; Milhous, W. K.; Zhang, F.; Gosser Jr., D. K.; Meshnick, S. R.
    in Perspectives in medicinal chemistry; B. Testa (Ed.)Verlag Helvetica chimica acta: Basel, 1993; p. 459-472.
  1. “Synthesis of 1,2-dioxanes from an endoperoxide”
    Jefford, C. W.; Jin, S.-j.; Kamalaprija, P.; Burger, U.
    Tetrahedron Lett. 1992, 33, 7129-7132.
  1. “A Novel Cycloaddition Reaction of Thermally Generated Sulfenes”
    Burger, U.; Schmidlin, S. P.; Mareda, J.; Bernardinelli, G.
    CHIMIA 1992, 46, 111-113.
  1. “Suppression of Root Diseases by Pseudomonas fluorescens CHA0: Importance of the Bacterial Secondary Metabolite 2,4-Diacetylphloroglucinol”
    Keel, C.; Schnider, U.; Maurhofer, M.; Voisard, C.; Laville, J.; Burger, U.; Wirthner, P.; Haas, D.; Defago, G.
    Mol. Plant-Microbe Interact. 1992, 5, 4-13.
  1. “Reaction of the 5-Azoniafulvene Ion with Enamines: A New Approach to Pyrrolizines”
    Schärer, D.; Jindra, V.; Bringhen, A. O.; Burger, U.
    Helv. Chim. Acta 1991, 74, 1817-1822.
  1. “Applications of ENDOR spectroscopy to radical cations in freon matrixes. 9. The radical cation of benzvalene: an ESR and ENDOR study”
    Arnold, A.; Gerson, F.; Burger, U.
    J. Am. Chem. Soc. 2002, 113, 4359-4360.
  1. “The Photoreversible Addition of Sulfur Dioxide to Benzobenzvalene: A new Approach to the Benzoprefulvene Biradical”
    Burger, U.; Gmünder, C.; Schmidlin, S.; Bernardinelli, G.
    Helv. Chim. Acta 1990, 73, 1724-1729.
  1. “Benz[f]indene and its katz reaction”
    Burger, U.; Thorel, P.-J.; Schaller, J.-P.
    Tetrahedron Lett. 1990, 31, 3155-3156.
  1. “Pseudomonads as antagonists of plant pathogens in the rhizosphere: role of the antibiotic 2,4-diacetylphloroglucinol in the suppression of black root rot of tobacco”
    Keel, C.; Wirthner, P.; Oberhaensli, T.; Voisard, C.; Burger, U.; Haas, D.; Defago, G.
    Symbiosis 1990, 9, 327-341.
  1. “The Photochemical Synthesis and Denitrogenation of 8,9-diazadibenzo[c, e]isobullvalene”
    Burger, U.; Mentha, Y. G.; Millasson, P.; Lottaz, P.-A.; Mareda, J.
    Helv. Chim. Acta 1989, 72, 1722-1728.
  1. “Thermolysis of the sulfur dioxide adducts of benzobenzvalene. The 1.3-dipolar behaviour of a sulfene”
    Burger, U.; Erne-Zellweger, D.; Sledeski, A. W.; Schmidlin, S.
    Tetrahedron Lett. 1989, 30, 2797-2800.
  1. “Cyclization Studies with N-Mannich bases of 2-substituted indoles”
    Burger, U.; Bringhen, A. O.
    Helv. Chim. Acta 1989, 72, 93-100.
  1. “[6π+4π] Cycloadditions of 5-azoniafulvene ions with nitrones and azomethine imines.”
    Burger, U.; Bringhen, A. O.
    Tetrahedron Lett. 1988, 29, 4415-4418.
  1. “The Synthesis and Photoisomerization of 5-Methyl-5-Vinyl-1,3-Cyclopentadiene”
    Burger, U.; Pamingle-Cristoforetti, E.; Bringhen, A. O.
    Helv. Chim. Acta 1988, 71, 389-394.
  1. “The Hydrolysis of Ethyl 1-Methyl-2,4-cyclopentadiene-1-carboxylate by Nonenzymatic and Enzymatic Methods. Carbon-Carbon vs. Carbon-Oxygen Bond Cleavage”
    Burger, U.; Erne-Zellweger, D.; Mayerl, C.
    Helv. Chim. Acta 1987, 70, 587-592.
  1. “Valence isomers of aromatic compounds: on the mechanism of the Katz reaction”
    Burger, U.; Thorel, P. J.; Mentha, Y.
    CHIMIA 1987, 41, 26-28.
  1. “Über die thermische, katalytische und photochemische Stickstoff-Eliminierung des 1-Diazo-3-(1-methylcyclopenta-2,4-dienyl)-2-propanons”
    Burger, U.; Zellweger, D.
    Helv. Chim. Acta 1986, 69, 676-682.
  1. “Die Synthese und der thermische Zerfall des 1,2-Diazabenzo[e]-semibullvalens und dessen Beziehung zur Thermolyse des Benzobenzvalens”
    Burger, U.; Mentha, Y.; Jean Thorel, P.
    Helv. Chim. Acta 1986, 69, 670-675.
  1. “The Synthesis and Protonation of 1,1-Di(1-pyrrolyl)alkenes”
    Schärer, J.-C.; Etienne, R.; Burger, U.
    Helv. Chim. Acta 1985, 68, 2282-2286.
  1. “Formation of the 5-Azoniafulvene Ion and its Benzo-annellated Analogue from N-Mannich Bases of Pyrrole and Indole”
    Burger, U.; Bringhen, A. O.; Wirthner, P. J.; Schärer, J.-C.
    Helv. Chim. Acta 1985, 68, 2275-2281.
  1. “Abnormal palladium(II)-catalyzed cyclization of 1-methyl-1-(2-trimethylsilylethynyl)-2-propenyl acetate”
    Rautenstrauch, V.; Burger, U.; Wirthner, P.
    CHIMIA 1985, 39, 225-226.
  1. “The Synthesis and Structure of Pentacarbonyl (5H-dipyrrolo[1,2-c: 2',1'-e]imidazol-5-yl)manganese”
    Burger, U.; Perret, C.; Bernardinelli, G.; Kündig, E. P.
    Helv. Chim. Acta 1984, 67, 2063-2067.
  1. “The Photoisomerization of 1,2,3,4,5-Pentamethyl-5-vinyl-1,3-cyclopentadiene”
    Burger, U.; Etienne, R.
    Helv. Chim. Acta 1984, 67, 2057-2062.
  1. “On the mechanism of the thermal naphthalene automerization, a comment”
    Burger, U.; Mareda, J.
    Tetrahedron Lett. 1984, 25, 177-180.
  1. “Reaction of singlet oxygen with enol ethers in the presence of acetaldehyde. Formation of 1,2,4-trioxanes”
    Jefford, C. W.; Kohmoto, S.; Boukouvalas, J.; Burger, U.
    J. Am. Chem. Soc. 1983, 105, 6498-6499.
  1. “Reactions of nitrogen containing aromatic anions with chlorocarbene”
    Burger, U.; Dreier, F.
    Tetrahedron 1983, 39, 2065-2071.
  1. “Electronic States of Phenylene and Naphthylene Bicyclobutanes. Linear Dichroism in Stretched Polyethylene”
    Spanget-Larsen, J.; Gubernator, K.; Gleiter, R.; Thulstrup, E. W.; Bianco, B.; Gandillon, G.; Burger, U.
    Helv. Chim. Acta 1983, 66, 676-686.
  1. “Bildung eines hochexplosiven Valenzisomeren des Indens aus Dilithiopentalen und Chlorcarben”
    Burger, U.; Bianco, B.
    Helv. Chim. Acta 1983, 66, 60-67.
  1. “Rearrangements Involving C8H8F-Cations of the Cage Type”
    Jefford, C. W.; Mareda, J.; Blaudzun, J.-P.; Burger, U.
    Helv. Chim. Acta 1982, 65, 2476-2480.
  1. “Die Isomerisierung der Homoadamantan-3-carbonsäure zur Homoadamantan-1-carbonsäure”
    Langhals, H.; Mergelsberg, I.; Rüchardt, C.; Burger, U.
    Chem. Ber. 1982, 115, 1509-1524.
  1. “Alkali Metal/Ammonia Reductions of Ketones Should Be Run in the Presence of Ammonium Ion”
    Rautenstrauch, V.; Willhalm, B.; Thommen, W.; Burger, U.
    Helv. Chim. Acta 1981, 64, 2109-2137.
  1. “Photochemical and thermal rearrangements of a benzoylnaphthobarrelene-like system”
    Demuth, M.; Amrein, W.; Bender, C. O.; Braslavsky, S. E.; Burger, U.; George, M. V.; Lemmer, D.; Schaffner, K.
    Tetrahedron 1981, 37, 3245-3261.
  1. “The Electronic Structure of Phenylene and Naphthylene Bicyclobutanes. Photoelectron spectroscopy and model calculations”
    Gleiter, R.; Gubernator, K.; Eckert-Maksić, M.; Spanget-Larsen, J.; Bianco, B.; Gandillon, G.; Burger, U.
    Helv. Chim. Acta 1981, 64, 1312-1321.
  1. “The Ring Closure of Cyclopenta-1, 3-dien-5-yl-carbene to Benzvalene. A mechanistic study of an unusual carbene reaction”
    Burger, U.; Gandillon, G.; Mareda, J.
    Helv. Chim. Acta 1981, 64, 844-853.
  1. “Sym-benzvaleno-benzo-benzvalene, a double valence isomer of anthracene”
    Gandillon, G.; Bianco, B.; Burger, U.
    Tetrahedron Lett. 1981, 22, 51-54.
  1. “Electrolysis of potassium butyrate in acetonitrile. A deuterium NMR study”
    Laurent, E.; Thomalla, M.; Marquet, B.; Burger, U.
    J. Org. Chem. 1980, 45, 4193-4198.
  1. “On the Use of N, N′-Dipyrrolylmethane in Heterocyclic Synthesis. Dipyrrolo [1,2c:2′, 1′e]-2 H-imidazole and its Aromatic Anion”
    Burger, U.; Dreier, F.
    Helv. Chim. Acta 1980, 63, 1190-1197.
  1. “The Acetolysis of exo- and endo-5,6-Dimethylidene-2-Norbornyl p-Bromobenzenesulfonates and of their Optically Active and Deuterium-Labelled Derivatives”
    Sonney, J.-M.; Vogel, P.; Burger, U.
    Helv. Chim. Acta 1980, 63, 1016-1033.
  1. “The Homoallyl-Cyclopropylcarbinyl Cation Rearrangement in the Solvolyses of exo- and endo-5-Norbornen-2-yl p-Bromobenzenesulfonates. Application of 2H-NMR. Spectroscopy”
    Burger, U.; Sonney, J.-M.; Vogel, P.
    Helv. Chim. Acta 1980, 63, 1006-1015.
  1. “The loss of a methyl radical and the retro diels - Alder reaction in the electron impact mass spectrometry of 2-cyclohexen-1-ol and related compounds”
    Braem, D.; Gülaçar, F. O.; Burger, U.; Buchs, A.
    Org. Mass Spectrom. 1979, 14, 609-617.
  1. “The ring closure of 5-methylcyclopenta-1,3-dien-5-ylcarbene to 1-methylbenzvalene. An intramolecular 1,4 cheletropic carbene addition”
    Burger, U.; Gandillon, G.
    Tetrahedron Lett. 1979, 20, 4281-4284.
  1. “Thermal interconversion of naphthobarrelene- and naphthosemibullvalene-like compounds. Ground-state counterpart of a di-π-methane photorearrangement”
    Demuth, M.; Burger, U.; Mueller, H. W.; Schaffner, K.
    J. Am. Chem. Soc. 1979, 101, 6763-6765.
  1. “The predictable behaviour of cations deriving from endo-4-chlorotetracyclo[3.3.0.0.2,8O.3,6]octane”
    Jefford, C. W.; Genevay-Höck, S.; Delay, A.; Mareda, J.; Burger, U.
    Tetrahedron Lett. 1979, 20, 2549-2552.
  1. “The transformation of difluorocarbene into 3,3-diflurocyclopropene”
    Jefford, C. W.; Acar, M.; Delay, A.; Mareda, J.; Burger, U.
    Tetrahedron Lett. 1979, 20, 1913-1916.
  1. “Valence isomers of aromatic systems. Chemistry of benzvalene”
    Burger, U.
    CHIMIA 1979, 33, 147-152.
  1. “The Photorearrangements of a Naphthobarrelene-like System. Dependence on excited-state spin multiplicity and electronic configuration, and evidence for biradical intermediates. Preliminary communication”
    Demuth, M.; Bender, C. O.; Braslavsky, S. E.; Görner, H.; Burger, U.; Amrein, W.; Schaffner, K.
    Helv. Chim. Acta 1979, 62, 847-851.
  1. “Valenzisomere aromatischer systeme. Die Synthese des Pyrrolo-3-azabenzvalens”
    Burger, U.; Dreier, F.
    Helv. Chim. Acta 1979, 62, 540-545.
  1. “A MINDO/3 study of the bridged pyramidal C8H9 cation and its congeners”
    Jefford, C. W.; Mareda, J.; Perlberger, J. C.; Burger, U.
    J. Am. Chem. Soc. 1979, 101, 1370-1378.
  1. “Chemistry of Benzocyclopropenes. 1H- and 13C-NMR. Spectra of 2, 5-dideuterio-1-fluorobenzocyclopropenium ion”
    Müller, P.; Pfyffer, J.; Wentrup-Byrne, E.; Burger, U.
    Helv. Chim. Acta 1978, 61, 2081-2087.
  1. “The homoallyl-cyclopropylcarbinyl cation rearrangement in the acetolysis of exo- and endo-5,6-bis(methylene)-2-norbornyl p-bromobenzenesulfonates. Application of deuterium NMR spectroscopy”
    Burger, U.; Sonney, J.-M.; Vogel, P.
    Tetrahedron Lett. 1978, 19, 829-832.
  1. “The solvolyses of exo- and endo-5-norbornen-2-yl p-bromobenzenesulfonates. A re-investigation using deuterium nmr spectroscopy.”
    Sonney, J.-M.; Vogel, P.; Burger, U.
    Tetrahedron Lett. 1978, 19, 825-828.
  1. “Specifically (π → π*)-Induced Cyclohexenone Reactions 4a-(Z-1-Propenyl)-bicyclo[4.4.0]dec-1 (8a)-en-2-one and 4a-Z-1-Propenyl-bicyclo[4.4.0]deca-1(8a), 7-dien-2-one”
    Nobs, F.; Burger, U.; Schaffner, K.
    Helv. Chim. Acta 1977, 60, 1607-1628.
  1. “The silver(I)ion promoted degeneracy and isomerization of benzvalene”
    Burger, U.; Mazenod, F.
    Tetrahedron Lett. 1977, 18, 1757-1760.
  1. “The Reaction of Difluorocarbene with Bicyclo[2.2.2]octadiene”
    Jefford, C. W.; Delay, A.; Wallace, T. W.; Burger, U.
    Helv. Chim. Acta 1976, 59, 2355-2361.
  1. “The transition metal induced isomerization of benzvalene and benzobenzvalene”
    Burger, U.; Mazenod, F.
    Tetrahedron Lett. 1976, 17, 2885-2888.
  1. “The mechanism of the synthesis of benzvalene”
    Burger, U.; Mazenod, F.
    Tetrahedron Lett. 1976, 17, 2881-2884.
  1. “Cheletropic reactions of fluorocarbenes with norbornadienes”
    Jefford, C. W.; Mareda, J.; Gehret, J. C. E.; Kebengele, T.; Graham, W. D.; Burger, U.
    J. Am. Chem. Soc. 1976, 98, 2585-2593.
  1. “Cyclopropa-arenium cations. Part II. Carbon-13 nuclear magnetic resonance spectra of 1-halogenocyclopropabenzenium cations and their 1,1-dihalogeno-precursors”
    Halton, B.; Hügel, H. M.; Kelly, D. P.; Müller, P.; Burger, U.
    J. Chem. Soc., Perkin Trans. 2 1976, 258-263.
  1. “Cheletropic reactions of dichloro- and dibromocarbenes with norbornadiene”
    Jefford, C. W.; de los Heros, V.; Burger, U.
    Tetrahedron Lett. 1976, 17, 703-706.
  1. “Cheletropic additions of difluoro and dichlorocarbenes to hindered norbornadienes”
    Jefford, C. W.; Graham, W. D.; Burger, U.
    Tetrahedron Lett. 1975, 16, 4717-4720.
  1. “The thermal stability of exo and endo tricyclo[3.2.1.02,4]oct-6-enes and their relevance to the cyclo-addition of cyclopropenes to cyclopentadiene.”
    Jefford, C. W.; Gehret, J.-C. E.; Mareda, J.; Kabengele, n.; Graham, W. D.; Burger, U.
    Tetrahedron Lett. 1975, 16, 823-826.
  1. “1,2,3,4,5-Pentamethyl-5-acetyl-cyclopentadien-1,3, ein ungewöhnliches Keton”
    Burger, U.; Delay, A.; Mazenod, F.
    Helv. Chim. Acta 1974, 57, 2106-2111.
  1. “1-Fluoro-benzocyclopropenium Ion from 1,1-difluoro-benzocyclopropene”
    Burger, U.; Müller, P.; Zuidema, L.
    Helv. Chim. Acta 1974, 57, 1881-1883.
  1. “Oscillations chimiques du système BrO3-/Ce4+/acétylacétone. Communication préliminaire”
    Janjic, D.; Stroot, P.; Burger, U.
    Helv. Chim. Acta 1974, 57, 266-271.
  1. “Die Addition von Fluorcarbenen an Norbornadien: Eine Homo-1,4-addition”
    Jefford, C. W.; Kabengele, n.; Kovacs, J.; Burger, U.
    Helv. Chim. Acta 1974, 57, 104-113.
  1. “Additions of fluorocarbenes to norbornadiene by linear cheletropic reaction”
    Jefford, C. W.; Kabengele, n.; Kovacs, J.; Burger, U.
    Tetrahedron Lett. 1974, 15, 257-260.
  1. “The synthesis of 7,7-difluoronorbornadiene and its quadricyclane isomer”
    Jefford, C. W.; Burger, U.; Broeckx, W.; Gehret, J.-C. E.
    Tetrahedron Lett. 1973, 14, 5187-5190.
  1. “Reductive dechlorination of gem-chlorofluorocyclopropanes with lithium aluminium hydride. A stereoselective process.”
    Jefford, C. W.; Burger, U.; Laffer, M. H.; Kabengele, n.
    Tetrahedron Lett. 1973, 14, 2483-2486.
  1. “Dérivés C-glycosyliques: Partie XI. Étude de la chloration d'oximes d'aldéhydo-sucres”
    Tronchet, J. M.; Barbalat-Rey, F.; Le-Hong, N.; Burger, U.
    Carbohydr. Res. 1973, 29, 297-310.
  1. “Die Chlorierung des Hexamethyl-Dewar-Benzols”
    Burger, U.; Delay, A.
    Helv. Chim. Acta 1973, 56, 1345-1347.
  1. “Synthesis of Bridged Bicyclic Molecules using Halocarbenes. Derivatives of bicyclo[4.2.1]nonane”
    Jefford, C. W.; Burger, U.; Delay, F.
    Helv. Chim. Acta 1973, 56, 1083-1096.
  1. “Cyclopropyl-solvolyse. Fluorwasserstoff als austretende gruppe”
    Jefford, C. W.; Kabengele, A. N.; Burger, U.
    Tetrahedron Lett. 1972, 13, 4799-4802.
  1. “Aromatic transition states and the reactivity of geometrically well-defined molecules”
    Jefford, C. W.; Burger, U.
    CHIMIA 1971, 25, 297-307.
  1. “Bending effects in constrained cyclohexane derivatives”
    Jefford, C. W.; Burger, U.
    CHIMIA 1970, 24, 385-388.
  1. “Competition of alkenes for metal carbenoids”
    Burger, U.; Huisgen, R.
    Tetrahedron Lett. 1970, 11, 3057-3060.
  1. “Are different lithium carbenoids responsible for homologation and methylenation?”
    Huisgen, R.; Burger, U.
    Tetrahedron Lett. 1970, 11, 3053-3056.
  1. “Cyclopropanes from olefins and lithium carbenoids”
    Burger, U.; Huisgen, R.
    Tetrahedron Lett. 1970, 11, 3049-3051.