NMR-Untersuchungen an Dicyclopentadienderivaten. IV—1-Syn/anti-Epimere von endo-Dicyclopentadienderivaten |
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Authors: | E Kleinpeter H Kühn M Mühlstdt |
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Institution: | E. Kleinpeter,H. Kühn,M. Mühlstädt |
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Abstract: | The syn/anti-arrangement of some substituents R in position 1 of endo-dicyclopentadiene derivatives is investigated by 1H-and 13C n.m.r. spectroscopy. The HH-coupling constants of the epimeric alcohols 2 and 3 are determined by paramagnetic shift experiments Eu(fod)3] and the observed relative paramagnetic shifts ΔEu used for the determination of the configuration. The increasing steric compression in the syn-epimers is well reflected by the 1H- and 13C n.m.r. chemical shifts. |
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