Intramolekulare Cobalt-katalysierte [2+2+2]-Cycloaddition in der Synthese von Phenanthroviridon- und Amphimedin-Derivaten
| Type of Publication: | Dissertation |
| URI (citable link): | http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-120770 |
| Author: | Meißner, Anja |
| Year of publication: | 2010 |
| Title in another language: | Intramolecular Cobalt catalyzed [2+2+2] cycloaddition in the synthesis of Phenanthroviridone and Amphimedine derivatives |
| Summary: |
Whithin this thesis a synthesis of Phenanthroviridone derivatives was successfully developed. Thereby, an intramolecular Cobalt catalyzed [2+2+2] cycloaddition of diyne-nitriles or diyne-cyanohydrins was used as the key step of the whole synthesis. Applying this elaborated synthesis several derivatives of the natural product Phenanthroviridone could successfully be synthesized. Cyclization to an Amphimedine derivative failed.
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| Summary in another language: |
Im Rahmen dieser Dissertation wurde erfolgreich eine Synthese von Phenanthroviridon-Derivaten erarbeitet. Eine intramolekulare Cobalt-katalysierte [2+2+2]-Cycloaddtion von Diin-Nitrilen bzw. Diin-Cyanhydrinen diente dabei als Schlüsselschritt der Synthese. Mit Hilfe der entwickelten Synthese konnten erfolgreich mehrere Derivate des Naturstoffs Phenanthroviridon dargestellt werden. Die Cyclisierung zu einem Amphimedin-Derivat gelang bislang nicht.
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| Examination date (for dissertations): | Apr 30, 2010 |
| Dissertation note: | Doctoral dissertation, University of Konstanz |
| Subject (DDC): | 540 Chemistry |
| Controlled Keywords (GND): | Cycloaddition, Naturstoff, Polycyclische heterocyclische Verbindungen |
| Keywords: | Cobalt-Katalyse, Diin-Cyanhydrine, Cobalt catalysis, diyne-cyanohydrins |
| Link to License: | In Copyright |
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MEISSNER, Anja, 2010. Intramolekulare Cobalt-katalysierte [2+2+2]-Cycloaddition in der Synthese von Phenanthroviridon- und Amphimedin-Derivaten [Dissertation]. Konstanz: University of Konstanz
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