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Matthias Lau

Cyclopropane und funktionalisierte Dihydrofurane als Building Blocks in Cyclisierungsreaktionen mit 1,3-Bis(silylenolethern) zur Darstellung von Salicylaten, Phenanthrenen, Stilbenen und Chromanen

Universität Rostock, 2009

Abstract: This dissertation deals with reactions of 1,3-bis(silyl enol ethers) with cyclic and acyclic electrophiles. Special 1,1-diacylcyclopropanes were transformed in a titaniumtetrachlorid-mediated formal [3+3]-cyclisation into salicylates. Furthermore reactions of various functionalised dihydrofuranes, prepared from 1,3-diketones and styrenes, resulted in the formation phenoles, salicylates and phananthrenderivatives. Particulary these compounds were used as precursers for synthesis of chromanes and stilbenes.

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