作者:Jaan Leis、Karel D. Klika、Mati Karelson
DOI:10.1016/s0040-4020(98)00379-2
日期:1998.6
N-alkyl-N-1-naphthylformamides has been measured in a series of solvents using NMR spectroscopy. A linear relationship was found between the free energy of the conformational equilibrium, ΔG0, and the relative dielectric permittivity of the solvent. The comparison of NMR data with quantum-chemically calculated SCRF heats of equilibria reveals that the solvent effect is a combination of both the electrostatic and
N-烷基-N -1-萘甲酰胺的E和Z构象异构体的比例已在一系列使用NMR光谱分析的溶剂中进行了测量。线性关系,构象平衡的自由能,发现之间ΔG 0,和溶剂的相对介电常数。NMR数据与量子化学计算的平衡热能的比较表明,溶剂效应是静电和特定溶质-溶剂相互作用的组合,后者直接与溶剂诱导的溶质分子的空间形变有关。