作者:Venelin Enchev、Galya Ivanova、Gordana Pavlović、Marin Rogojerov、Anife Ahmedova、Mariana Mitewa
DOI:10.1016/s0022-2860(03)00175-3
日期:2003.6
the gas phase, solution and solid state using a combination of quantum-chemical calculations, NMR and IR spectroscopies, and X-ray crystallography. Energetics of both isomers and all tautomers of the product of the reaction are predicted at HF/321G//HF/3-21G and HF/6-31G**//HF/3-21G levels. Geometric optimizations at HF/6-31G** level are also performed for favorable tautomers. Quantum-chemical calculations
2-乙酰茚满-1,3-二酮与苯胺缩合反应产物的结构已在气相、溶液和固态下使用量子化学计算、核磁共振和红外光谱以及 X-射线晶体学。在 HF/321G//HF/3-21G 和 HF/6-31G**//HF/3-21G 水平预测反应产物的异构体和所有互变异构体的能量。还对有利的互变异构体进行了 HF/6-31G** 水平的几何优化。量子化学计算表明烯胺异构体 2-[1-(N-苯基氨基)-1-亚乙基]茚满-1,3-二酮是有利的。这通过在非极性和极性溶剂中的 13 C NMR 光谱以及通过 X 射线晶体学在固态中得到证实。q 2003 Elsevier Science BV 版权所有。