Comparative study of the 3-phenylcoumarin scaffold: Synthesis, X-ray structural analysis and semiempirical calculations of a selected series of compounds
作者:Maria J. Matos、Santiago Vilar、Nicholas P. Tatonetti、Lourdes Santana、Eugenio Uriarte
DOI:10.1016/j.molstruc.2013.07.037
日期:2013.10
comparative study between compounds 1, 2 and 3, based on the structural results, was carried out. In addition, the X-ray structures were compared to those obtained combining conformational analysis with semiempirical methodologies (AM1 and PM3). The results provided by the semiempirical calculations in gas phase are in strong agreement with the X-ray method for the three molecules under study, meaning
摘要 通过 Perkin 反应合成了化合物 1(6-甲基-3-苯基香豆素)、2(3-(邻甲氧基苯基)-6-甲基香豆素)和 3(3-(间甲氧基苯基)-6-甲基香豆素)。 2-羟基-5-甲基苯甲醛和相应的苯乙酸。1H 和 13C NMR 和 X 射线衍射测定了衍生物的分子结构。基于结构结果,对化合物 1、2 和 3 进行了比较研究。此外,将 X 射线结构与结合构象分析和半经验方法(AM1 和 PM3)获得的结构进行了比较。气相半经验计算提供的结果与所研究的三个分子的 X 射线方法非常一致,