The 13C NMR spectra of 19 differently substituted pyrano- and dihydropyrano-1,3-diphenylprop-2-enones were recorded and the results are discussed. The data will be useful in the identification of new and natural chalcones.
记录了 19 种不同取代的
吡喃-和二氢
吡喃-1,3-二苯基丙-2-烯酮的 13C NMR 谱,并对结果进行了讨论。这些数据将有助于鉴定新的天然
查耳酮。