A Short Total Synthesis of Kuehneromycin A This work was generously supported by the Deutsche Forschungsgemeinschaft and the Fazit-Stiftung. We are grateful to Prof. W. Steglich, Ludwig-Maximilians-Universität München, for copies of spectra of natural kuehneromycin A and for recording 600 MHz (1)H NMR spectra of our synthetic sample. We thank BASF AG, Ludwigshafen, Germany, Pfizer AG, Karlsruhe, Germany, Haarmann & Reimer GmbH, Holzminden, Germany, Wacker GmbH, Burghausen, Germany, DEGUSSA AG, Frankfurt a. M., Germany and Bayer AG, Leverkusen, Germany, for chemicals and laboratory equipment.
Institut für Organische Chemie und Biochemie Technische Universität München Lichtenbergstrasse 4, 85747 Garching (Germany).
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