TY - JOUR A1 - Huisgen, R. A1 - Christl, Manfred T1 - 1,3-Dipolare Cycloadditionen der Knallsäure N2 - No abstract available Y1 - 1967 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-30227 ER - TY - JOUR A1 - Christl, Manfred A1 - Huisgen, R. T1 - Alte und neue Cycloadditionen der Nitriloxide N2 - No abstract available Y1 - 1968 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-30237 ER - TY - JOUR A1 - Christl, Manfred A1 - Reich, H. J. A1 - Roberts, J. D. T1 - Nuclear Magnetic Resonance Spectroscopy. Carbon-13 Chemical Shifts of Methylcyclopentanes, Cyclopentanols, and Cyclopentyl Acetates N2 - No abstract available KW - Organische Chemie Y1 - 1971 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-57862 ER - TY - JOUR A1 - Bast, K. A1 - Christl, Manfred A1 - Huisgen, R. A1 - Mack, W. T1 - Additionen der Nitriloxide an CN-Mehrfachbindungen N2 - No abstract available KW - Organische Chemie Y1 - 1972 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-57879 ER - TY - JOUR A1 - Christl, Manfred A1 - Roberts, J. D. T1 - Nuclear Magnetic Resonance Spectroscopy : Carbon-13 Chemical Shifts of Small Peptides as a Function of pH N2 - No abstract available KW - Organische Chemie Y1 - 1972 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-57885 ER - TY - JOUR A1 - Christl, Manfred A1 - Roberts, John D. T1 - Carbon-13 Nuclear Magnetic Resonance Spectroscopy : Conformational Analysis of Methyl-Substituted Cycloheptanes, Cycloheptanols, and Cycloheptanones N2 - The 130 chemical shifts were determined of the carbons in 12 cycloheptanes, 21 cycloheptanols, and 8 cycloheptanones. In some cyc1oheptanols and cyc1oheptanones, the assignments have been obtained unambiguously by the synthesis of deuterated derivatives and the use of paramagnetic-shift reagents. Substituent effects for the different types of groups have been calculated. The most informative data about the cyc10heptane conformations were provided by the relatively well understood I' effects. The results are generally in,good agreement with predictions based on the twist-chair form, which has been predicted by Hendrickson to be the most stable conformation. Pairs of cis-trans isomers are found to have rather characteristic differences in their 130 spectra. This fact was used to assign the resonances found for cis-trans mixtures of methyl-substituted cyc1oheptanols to specific isomers. Y1 - 1972 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-41663 ER - TY - JOUR A1 - Bast, K. A1 - Christl, Manfred A1 - Huisgen, R. A1 - Mack, W. A1 - Sustmann, R. T1 - Additionen des Benzonitriloxids an olefinische und acetylenische Dipolarophile N2 - No abstract available KW - Organische Chemie Y1 - 1973 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-57905 ER - TY - JOUR A1 - Christl, Manfred A1 - Warren, J. D. A1 - Hawkins, B. L. A1 - Roberts, J. D. T1 - \(^{13}\)C and \(^{15}\)N Nuclear Magnetic Resonance Spectroscopy of Nitrile Oxides and Related Reaction Products : Unexpected \(^{13}\)C and \(^{15}\)N Nuclear Magnetic Resonance Parameters of 2,4,6-Trimethylbenzonitrile Oxide N2 - No abstract available KW - Organische Chemie Y1 - 1973 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-57894 ER - TY - JOUR A1 - Bast, K. A1 - Christl, Manfred A1 - Huisgen, R. A1 - Sustmann, R. T1 - Zur Anlagerung des Benzonitriloxids an α,β-ungesättigte Carbonsäureester N2 - No abstract available KW - Organische Chemie Y1 - 1973 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-57912 ER - TY - JOUR A1 - Huisgen, R. A1 - Christl, Manfred T1 - Reaktionen der Knallsäure mit ungesättigten Verbindungen N2 - No abstract available KW - Organische Chemie Y1 - 1973 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-57927 ER - TY - JOUR A1 - Bast, K. A1 - Christl, Manfred A1 - Huisgen, R. A1 - Mack, W. T1 - Relative Dipolarophilen-Aktivitäten bei Cycloadditionen des Benzonitriloxids N2 - No abstract available KW - Organische Chemie Y1 - 1973 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-57935 ER - TY - JOUR A1 - Christl, Manfred A1 - Huisgen, R. T1 - Orientierungsphänomene bei der Cycloaddition aliphatischer und aromatischer Nitriloxide an α,β-ungesättigte Carbonester N2 - No abstract available KW - Organische Chemie Y1 - 1973 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-57942 ER - TY - JOUR A1 - Brüntrup, Gisela A1 - Christl, Manfred T1 - Darstellung und Thermolyse der Hexamethyldewarbenzol-Cycloaddukte aromatischer Nitriloxide und des Diphenylnitrilimins N2 - No abstract available Y1 - 1973 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-30257 ER - TY - JOUR A1 - Christl, Manfred T1 - Cycloaddition an Benzvalen N2 - No abstract available Y1 - 1973 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-30217 ER - TY - JOUR A1 - Christl, Manfred A1 - Brüntrup, Gisela T1 - Diimine Reduction and Ozonolysis of Benzvalene N2 - Via reduction of benzvalene (1) with diirnine tricyclo[3.1.0.02•6]hexane is obtained in good yield. The procedure renders 3, which has already been synthesized by Lemal and Shim, accessible much easier and in larger quantities. IH and 13C n.m.r. spectroscopic data are discussed. Both the thermal and the AgBF4-catalyzed rearrangernent of 3 yield 1,3-cyclohexadiene (8). - The ozonolysis of 1 with subsequent LiAIH4-reduction results in cis-I,3- bis(hydroxyrnethyl)cyclobutane (13a). N2 - Durch Reduktion von Benzvalen (1) mit Diimin wird das Tricyc1o[3.1.0.02•6]hexan (3) in guter Ausbeute erhalten. Das Verfahren macht das bereits von Lemal und Shim dargestellte 3 erheblich leichter und in größeren Mengen zugänglich. IH- und 13C-NMR-spektroskopische Daten werden diskutiert. Sowohl die thermische als auch die AgBF4-katalysierte Umlagerung von 3 führt zu 1,3-Cyclohexadien (8). - Die Ozonolyse von 1 mit anschließender LiAlH4-Reduktion ergibt das cis-l,3-Bis(hydroxymethyl)cyclobutan (13a). KW - Organische Chemie Y1 - 1974 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-57953 ER - TY - JOUR A1 - Christl, Manfred A1 - Brüntrup, Gisela T1 - Neue Isomere des Cycloheptatriens: Tricyclo[4.1.0.0^(2,7)]hept-3-en und Tetracyclo[4.1.0.0^(2,4).0^(3,5)]heptan N2 - No abstract available Y1 - 1974 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-41488 ER - TY - JOUR A1 - Christl, Manfred A1 - Heinemann, U. A1 - Kristof, W. T1 - Thermal Rearrangement of Some Endo-Endo'-Bridged Bicyclo[1.1.0]butanes N2 - No abstract available KW - Organische Chemie Y1 - 1975 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-57967 ER - TY - JOUR A1 - Christl, Manfred T1 - \(^{13}\)-NMR-Spektren von Bicyclo[n.1.0]kohlenwasserstoffen N2 - No abstract available KW - Organische Chemie Y1 - 1975 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-57977 ER - TY - JOUR A1 - Christl, Manfred A1 - Lechner, M. T1 - Zur intramolekularen Wechselwirkung von Cyclopropylidenen mit dem Bicyclo[1.1.0]butansystem N2 - No abstract available Y1 - 1975 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-41509 ER - TY - JOUR A1 - Christl, Manfred T1 - Carbon-13 Chemical Shifts and 13C-15N Coupling Constants of 3,4-Dihydroisoquinoline-15N, its 15N-Oxide and their Conjugate Acids N2 - No abstract available Y1 - 1975 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-30071 ER - TY - JOUR A1 - Christl, Manfred A1 - Freitag, G. T1 - Das Tricyclo[4.1.0.0\(^{2,7}\)]heptenyl-Kation, ein neues Isomer des Tropylium-Ions N2 - No abstract available KW - Organische Chemie Y1 - 1976 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-57985 ER - TY - JOUR A1 - Christl, Manfred A1 - Lüddecke, H.-J. A1 - Nagyrevi-Neppel, A. A1 - Freitag, G. T1 - Einige Diels-Alder-Additionen des Benzvalens N2 - No abstract available KW - Organische Chemie Y1 - 1977 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-57992 ER - TY - JOUR A1 - Volz, H. A1 - Shin, J.-H. A1 - Prinzbach, H. A1 - Babsch, H. A1 - Christl, Manfred T1 - Stability of Tricyclo[4.1.0.0\(^{2,7}\)]heptenyl-Cations N2 - No abstract available KW - Organische Chemie Y1 - 1978 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-58001 ER - TY - JOUR A1 - Christl, Manfred A1 - Freitag, G. A1 - Brüntrup, G. T1 - Der Aufbau des Tetracyclo[4.1.0.0\(^{2,4}\).0\(^{3,5}\)]heptan-Systems durch Addition halogensubstituierter Carbene an Benzvalen N2 - No abstract available KW - Organische Chemie Y1 - 1978 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-58019 ER - TY - JOUR A1 - Christl, Manfred A1 - Freitag, G. A1 - Brüntrup, G. T1 - Tricyclo[4.1.0.0\(^{2,7}\)]hept-3-ene durch Umlagerung von 7-endo-Brom- und 7-endo-Chlortetracyclo[4.1.0.0\(^{2,4}\).0\(^{3,5}\)]heptanen N2 - No abstract available KW - Organische Chemie Y1 - 1978 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-58029 ER - TY - JOUR A1 - Christl, Manfred A1 - Buchner, Wolfgang T1 - 13C-NMR-Spektren von Tetracyclo[4.1.0.02,4.03,5]heptanen, Tetracyclo[5.1.0.02,4.03,5]octanen und Tricyclo[4.1.0.02,7]hept-3-enen. Ungewöhnliche beta- und gamma-Substituenteneffekte N2 - No abstract available Y1 - 1978 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-30087 ER - TY - JOUR A1 - Christl, Manfred A1 - Herbert, R. T1 - Unusual Carbon Shielding Effects of Cyclopropanes and Double Bonds in Strained Bicyclo[3.1.0]hexanes and Cyclopentenes N2 - Carbon-13 shieldings and one-bond \(^{13}\)C-H coupling constants of bicydo[2.1.1]hexane, bicydo[2.l.l]hex- 2-ene, tricydo[3.1.1.0\(^{2.4}\)]heptane and benzvalene are presented and compared. to the data of related. compounds. H a bicydo[3.1.0]hexane system is part of a rigid skeleton, the cydopropane ring exerts spedfk: 'Y substituent eflects of two ldnds. In the case of the bicyclobexane boat form an upfield shift of the C-3 signal is observed and in tbe esse of the chair form a downfield shift of 15-20 ppm. Compared to the corresponding cydopentanes the double bond in strained cydopentenes causes downfield shifts of the C-4 absorption. 1bis eftect increases witb increasing strain, reaching 8 45.9 ppm maximum in benzvalene. Hence it is tbe only known bicydo[l.l.O]butane baving 8 reversed order of carbon shieldings. The downfield shifts are e:xplained by means of simple orbital interaction schemes. KW - Organische Chemie Y1 - 1979 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-58038 ER - TY - JOUR A1 - Herbert, R. A1 - Christl, Manfred T1 - Bicyclo[2.1.1]hexane aus Tricyclo[3.1.0.0\(^{2,6}\)]hexanen N2 - No abstract available KW - Organische Chemie Y1 - 1979 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-58042 ER - TY - JOUR A1 - Christl, Manfred A1 - Herbert, R. T1 - Der Einfluß anellierter Ringe auf die \(^{13}\)C-NMR-chemischen Verschiebungen von Tricyclo[3.1.0.0\(^{2,6}\)]hexan- und Bicyclo[2.1.1]hexan-Derivaten N2 - No abstract available KW - Organische Chemie Y1 - 1979 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-58058 ER - TY - JOUR A1 - Christl, Manfred A1 - Leininger, Hartmut T1 - 7-Azatetracyclo[4.1.0.02,4.03,5]heptan - ein neues Valenzisomeres des Azepins N2 - No abstract available Y1 - 1979 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-30034 ER - TY - JOUR A1 - Leininger, H. A1 - Christl, Manfred T1 - Oxidationsreaktionen am Benzvalen: Ozonolyse, cis-Hydroxylierung, Epoxidation und Singulettsauerstoff-Addition N2 - No abstract available KW - Organische Chemie Y1 - 1980 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-58088 ER - TY - JOUR A1 - Christl, Manfred A1 - Lang, R. A1 - Herbert, R. A1 - Freitag, G. T1 - Zusammenhang zwischen Orbitalcharakter und Reaktionsprodukt bei der Umsetzung von Benzvalen und Homobenzvalen mit Thiophenol N2 - No abstract available KW - Organische Chemie Y1 - 1980 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-58065 ER - TY - JOUR A1 - Christl, Manfred A1 - Lang, R. A1 - Lechner, M. T1 - Tetra- und pentacyclische Tricyclo[4.1.0.0\(^{2,7}\)]hept-3-en-Derivate; Abfangprodukte des Tricyclo[4.1.0.0\(^{2,7}\)]hepta-3,4-diens N2 - No abstract available KW - Organische Chemie Y1 - 1980 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-58078 ER - TY - JOUR A1 - Christl, Manfred A1 - Brunn, E. T1 - Tetracyclo[4.1.0.0\(^{2,4}\).0\(^{3,5}\)]heptane aus 7,8-Diazatetracyclo[4.3.0.0\(^{2,4}\).0\(^{3,5}\)]non-7-enen N2 - No abstract available KW - Organische Chemie Y1 - 1981 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-58094 ER - TY - JOUR A1 - Christl, Manfred A1 - Lanzendörfer, Ulrike A1 - Freund, Silke T1 - Olefinadditionen an 2,5-Diphenyl-1,3,4-oxadiazin-6-on N2 - No abstract available Y1 - 1981 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-41525 N1 - Prof. Siegfried Hünig zum 60. Geburtstag gewidmet ER - TY - JOUR A1 - Christl, Manfred T1 - Benzvalen - Eigenschaften und Synthesepotential N2 - No abstract available Y1 - 1981 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-30041 ER - TY - JOUR A1 - Christl, Manfred A1 - Lechner, M. T1 - Einige Reaktionen des 8,8-Dibromtetracyclo[5.1.0.0\(^{2,4}\).0\(^{3,5}\)]octans N2 - No abstract available KW - Organische Chemie Y1 - 1982 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-58108 ER - TY - JOUR A1 - Leininger, H. A1 - Kemmer, P. A1 - Beck, K. A1 - Christl, M. T1 - 7-Thiatetracyclo[4.1.0.0\(^{2,4}\).0\(^{3,5}\)]heptan (Benzvalensulfid) - Synthese und Reaktionen N2 - No abstract available KW - Organische Chemie Y1 - 1982 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-58113 ER - TY - JOUR A1 - Christl, Manfred A1 - Lang, R. T1 - Tricyclo[5.1.0.0\(^{2,8}\)]octa-3,5-diene (Octavalene) N2 - No abstract available KW - Organische Chemie Y1 - 1982 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-58124 ER - TY - JOUR A1 - Christl, Manfred A1 - Leininger, Hartmut A1 - Brunn, Erich T1 - Carbon-13 Nuclear Magnetic Resonance Spectra of 7-Heterotetracyclo[4.1.0.02,4.03,5]heptanes. Annelation Effects of Aziridine, Oxirane, and Thiirane Rings. Unusual gamma and delta Substituent Effects N2 - No abstract available Y1 - 1982 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-30010 ER - TY - JOUR A1 - Leininger, H. A1 - Lanzendörfer, F. A1 - Christl, Manfred T1 - Über die Reduktion des Benzvalenozonids zum cis-1,3-Cyclobutandimethanol mit LiAlH\(_4\) N2 - No abstract available KW - Organische Chemie Y1 - 1983 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-58130 ER - TY - JOUR A1 - Leininger, H. A1 - Christl, Manfred A1 - Wendisch, D. T1 - Über die Oxidation von Benzvalen mit Singulett-Sauerstoff zum Bicyclo[1.1.0]butan-endo,endo-2,4-dicarbaldehyd N2 - No abstract available KW - Organische Chemie Y1 - 1983 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-58142 ER - TY - JOUR A1 - Christl, Manfred A1 - Lanzendörfer, F. A1 - Peters, K. A1 - Peters, E.-M. A1 - Schnering, H. G. von T1 - Die Reaktionen von 2,5-Diaryl-1,3,4-oxadiazin-6-onen mit trans-Cycloocten, cis,trans-Cyclooctadien und Cyclopropenen N2 - The transient [4+2]-cycloadducts from the title components eliminate nitrogen to form a 3,4-dihydro-2-pyrone derivative, a tricyclic cyclobutanone derivative and 2,5-dihydrooxepin-2-one derivatives, respectively. KW - Organische Chemie Y1 - 1983 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-58156 ER - TY - JOUR A1 - Christl, Manfred A1 - Leininger, Hartmut A1 - Mattauch, Brigitte T1 - The 13C NMR Spectra of Some Tricyclo[2.2.0.02,6]hexane Derivatives : Unexpected High Field Absorptions Due to Additive gamma-anti Subsituent Effects N2 - By means of the BC NMR spectra of tricyclo{2.2.0~rfJ6Jhexane and thirteen of its derivatives the effects of substituents in endo-3- and endo-5-positions on the HC chemical shifts have been determined. The y-anti effects are at least as Jarge as in monosubstituted cyc1obutanes, where the shielding values of second-row hetero substituents exceed those in unstrained systems by far, and higher-row and carbon substituents still cause substantial upfield shifts. In the title system the y-anti effect of a substituent in the endo-3- and endo-5-position are operative additively, and thus shift the absorption of C-J upfieJd by a maximum of 27 ppm with respect to the unsubstituted hydrocarbon. Y1 - 1983 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-41620 SN - x ER - TY - JOUR A1 - Lanzendörfer, Franz A1 - Christl, Manfred T1 - 3,4-Bismethylentricyclo[3.1.0.02,6]hexan - Synthese und Diels-Alder-Addition an Tetracyanethylen N2 - No abstract available Y1 - 1983 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-30263 ER - TY - JOUR A1 - Christl, Manfred A1 - Leininger, Hartmut A1 - Brückner, Dieter T1 - On the Nature of the Bicyclo [3.2.1]octa-3,6-dien-2-yl Anion: A 13C NMR spectroscopic study N2 - No abstract available Y1 - 1983 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-30060 ER - TY - JOUR A1 - Christl, Manfred A1 - Lang, R. A1 - Reimann, W. A1 - Irngartinger, H. T1 - Darstellung und Röntgenstrukturanalyse des Diels-Alder-Addukts von 4-Phenyl-4H-1,2,4-triazol-3,5-dion an Octavalen N2 - No abstract available KW - Organische Chemie Y1 - 1984 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-58162 ER - TY - JOUR A1 - Christl, Manfred A1 - Leininger, H. A1 - Kemmer, P. T1 - Über das cis-Glycol und das Epoxid des Benzvalens N2 - No abstract available KW - Organische Chemie Y1 - 1984 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-58174 ER - TY - JOUR A1 - Christl, Manfred A1 - Brunn, Erich A1 - Lanzendorfer, Franz T1 - Reactions of Benzvalene with Tetracyanoethylene, 2,3-Dichloro-5,6-dicyano-rho-benzoquinone, Chlorosulfonyl Isocyanate, and Sulfur Dioxide. Evidence for Concerted 1,4-Cycloadditions to a Vinylcyclopropane System N2 - No abstract available Y1 - 1984 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-30052 ER - TY - JOUR A1 - Christl, Manfred A1 - Freund, S. T1 - Substituierte Benzobenzvalene und Diazabenzobenzvalene - Synthesen aus Diels-Alder-Addukten des Benzvalens und NMR-Spektroskopie N2 - No abstract available KW - Organische Chemie Y1 - 1985 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-58183 ER -