【摘要】 本文详细归属了七种新β-榄香烯衍生物的NMR的¹H谱和¹³C谱。对各种取代基讨论了它们对¹H和¹³C化学位移的影响。提出了这类化合物的稳定构象。更多还原

【Abstract】 The 1H NMR and 13C NMR of seven new β-elemene derivates were studied in detail. The effects of the substituting groups on the chemical shifts of 1H and 13C were discussed. We could deduce that the stable conformations of the compounds.更多还原