Browsing by Autor "H. Kelling"

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    <sup>1</sup>H‐NMR‐spektroskopische Untersuchungen zur Stereochemie von Butadienderivaten
    (Wiley, 1983) Nilo Castañedo; Klaus Peseke; H. Kelling; Manfred Michalik
    1 H‐N.M.R. Spectroscopic Investigations on Stereochemistry of Substituted Butadienes The butadienes 1–6 , obtained by Knoevenagel condensation of furfuryliden, 5‐bromofurfuryliden, and benzylidenaceton with malononitril and ethyl cyanoacetat respectively, have been investigated 1 H ‐n.m.r. spectroscopically. Structure and configuration of the isomers could be determined with the help of deuteration experiments, anisotropy effects, and Eu(fod) 3 shift reagents measurements.