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  • 1
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Microbiological Formation of 2-(4-Bromophenyl)-2-ethoxyoxirane and Crystal Structure Determination of the Dimerization Product meso-2,5-Bis(4-bromophenyl)-2,5-diethoxy-1,4-dioxanep-Bromo-2-hydroxyacetophenone (3) is metabolized by baker's yeast to give the optically active epoxy ether 1a which is stable in crystalline form. The structural assignment is based mainly on the NMR spectra. - The stereochemical course of the dimerization to the 1,4-dioxane derivative 2a is discussed on the basis of the X-ray structure of the dimer.
    Notes: p-Brom-2-hydroxyacetophenon (3) wird durch Bäckerhefe zum optisch aktiven Epoxyether 1a metabolisiert, der im kristallinen Zustand stabil bleibt. Die Strukturzuordnung erfolgt im wesentlichen durch NMR-Spektren. - Der stereochemische Verlauf der Dimerisierung zum 1,4-Dioxan-derivat 2a wird auf der Basis der Röntgenstruktur des Dimeren diskutiert.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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