Hetero-cope-umlagerungen - v. ungewöhnlichemeta-umlagerung eines hetero-claisen-systems |
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| Authors: | Richard Höfelmeier Siegfried Blechert |
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| Affiliation: | Institut für Organische Chemie der Universität Hannover Schneiderberg 1 B, D-3000 Hannover 1 Germany |
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| Abstract: | The reactions of the sodium salt of 4 with imidoyl chlorides 5 give the olefins 7 via the expected Hetero-Claisen rearrangement. However 2,5-disubstituted hydroxamic acids 8 behave differently. In the reactions with 5b, products of a -rearrangement are observed. |
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