Organisch-Chemisches Institut	Tel. (0251) 83-33210 Fax: (0251) 83-39772 e-mail: orgchem@uni-muenster.de www: uni-muenster.de/Chemie.oc/
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Forschungsschwerpunkte 2003 - 2004    zurück    weiter

Prof. Dr. Hans J. Schäfer (em.) Organic Elektrosynthesis   Organic Elektrosynthesis: Anodic and cathodic CC-bond formation and functional group interconversion; Stereoselective reactions of electrochemically generated reactive intermediates; RADICAL REACTIONS: Inter- and intramolecular addition of radicals to double bonds; NATURAL PRODUCT SYNTHESIS: sesquiterpene lactones; morphines; taxanes swainsonin; RENEWABLE RESOURCES: conversion of fatty acids at CH- and double bonds. AMPHIPHILES: supramolecular structures, gemini-tensides, nonpeptidic ion channels. Funding: Fonds der Chemischen Industrie; DFG-Sonderforschungsbereich 424 (1 Project), Arbeitsgemeinschaft industrieller Forschungsvereinigungen (1 Project). Publications: U. St. Bäumer, H.J. Schäfer: Cleavage of alkenes by anodic oxidation, J. Applied Electrochem., submitted. J. Heimann, H.J. Schäfer, R. Fröhlich, B. Wibbeling: Cathodic Cyclisation of N-(Oxoalkyl)pyridinium Salts - Formation of Tricyclic Indolizidine and Quinolizidine Derivatives in Aqueous Medium, Eur. J. Org. Chem., 2003, 2919-2932. C. Möllers, J. Prigge, B. Wibbeling, R. Fröhlich, A. Brockmeyer, H. J. Schäfer, E. Schmälzin, C. Bräuchle, K. Meerholz, E.-U. Würthwein: Polyamino-Substituted 1-Oxa-3,5-diazahexatrienes and 1-Oxa-3,5,7-triazaoctatetraenes (N-Acyl-Ologocyanamides): Synthesis, Structures, Cyclovoltammetry and NLO Properties - Experiment and Theory, Eur. J. Org. Chem., 2003, 1198-1208. U.-St. Bäumer, H.J. Schäfer: Cleavage of Olefinic Double Bonds by Mediated Anodic Oxidation, Electrochim. Acta 48, 2003, 489-495. M. Schämann, H.J. Schäfer: TEMPO-mediated Anodic Oxidation of MethylGglycosides, 1-Methyl- and 1-Azido Disaccharides, Eur. J. Org. Chem., 2003, 351-358. H.J. Schäfer: Comparison of Chemical and Electrochemical Methods in Organic Synthesis, in Vol. 8 (ed. H.J. Schäfer) of Encyclopedia of Electrochemistry (eds. A.J. Bard, M. Stratmann) Wiley-VCH, 2004, 73-92. H.J. Schäfer: Anodic Reactions of Alkanes, Alkenes, and Aromatic Compounds, in Vol. 8 (ed. H.J. Schäfer) of Encyclopedia of Electrochemistry (eds. A.J. Bard, M. Stratmann) Wiley-VCH, 2004, 125-169. T. Fuchigami, T. Nonaka, H.J. Schäfer: Selectivity in Electrochemical Reactions, in Vol. 8 (ed. H.J. Schäfer) of Encyclopedia of Electrochemistry (eds. A.J. Bard, M. Stratmann) Wiley-VCH, 2004, 399-450. M. Schämann, H.J. Schäfer: Alkoxyamines by reaction of 2,2,6,6-Tetramethylpiperidine-1-oxoammonium Tetrafluoroborate with Enolates, Synlett 2004, 1601-1603. M. Schämann, H.J. Schäfer: Reaction of enamines and mediated anodic oxidation of carbohydrates with the 2,2,6,6-tetramethylpiperidine-1-oxoammonium ion (TEMPO+), Electrochimica Acta, in press. L. Wang, S. Jacobi, J. Sun, M. Overs, H. Fuchs, H.J. Schäfer, X. Zhang, J. Shen, L. Chi: Anisotropic aggregation and phase transition in Langmuir monolayers of methyl/ethyl esters of 2,3-dihydroxy fatty acids, J. Colloids and Interface Science, in press. B. Zou, K. Dreger, Ch. Mück-Lichtenfeld, S. Grimme, H.J. Schäfer, H. Fuchs, L. Chi: Simple and complex lattices of N-alkyl fatty acid amides on a highly oriented pyrolytic graphite surface, Langmuir, in press. Dissertations: T. Renkes: Synthese und Charakterisierung neuartiger synthetischer Ionenkanalbildner auf Fettsäurebasis, 2003 K. Bürger: Reduktive Kupplung von Carbonylverbindungen und heteroanalogen Carbonylverbindungen zu 1,2-Diolen, 1,2-Diamine und gamma-Lactonen an der Graphit-Kathode, 2003 A. Brockmeyer: Synthese von Isochinolinalkaloiden und deren Elektrooxidation zu Morphinandienonen, 2003 G. Feldmann: Fettsäurekonjugate mit Farbstoffen und Korrosionsinhibitoren, 2003 M. Schämann: Selektive anodische Oxidation von Kohlenhydrat- und Fettsäure derivaten, 2004 U.-St. Bäumer: Oxidative Spaltung von Alkenen zu Carbonylverbindungen über elektrochemische Reaktionen, 2004 K. Dreger, Synthese polar modifizierter Fettsäurederivate und ihre Aggregation an Grenzflächen, 2004 J. Heimann, Kathodische Cyclisierung von N-Oxoalkyl)pyridiniumsalzen zu Indolizidin- und Chinolizidin-Derivaten.- Anwendung zur Synthese von (±)-Swainsonin, 2004