Kibbey C E, Meyerhoff M E
Department of Chemistry, University of Michigan, Ann Arbor 48109.
J Chromatogr. 1993 Jul 2;641(1):49-55. doi: 10.1016/0021-9673(93)83457-4.
The reversed-phase chromatographic behavior of planar and non-planar polycyclic aromatic hydrocarbons (PAHs) is investigated on tetraphenylporphyrin and two metallotetraphenylporphyrin [Sn(IV), In(III)] bonded stationary phases using methanol-water and acetonitrile-water as mixed solvent mobile phases. Large differences in the capacity factors of aromatic solute pairs having the same number of carbon atoms, but differing in three-dimensional shape (e.g., triphenylene/o-terphenyl and perylene/alpha, alpha'-binaphthyl), suggest that the three tetraphenylporphyrin-based supports possess shape selectivity toward small planar aromatic solutes. Capacity factors for planar PAH solutes on these supports are significantly greater than for non-planar polyaryls having the same number of carbon atoms.
采用甲醇 - 水和乙腈 - 水作为混合溶剂流动相，在四苯基卟啉以及两种金属四苯基卟啉[锡（IV）、铟（III）]键合固定相上，研究了平面和非平面多环芳烃（PAHs）的反相色谱行为。具有相同碳原子数但三维形状不同的芳族溶质对（例如，三亚苯/邻三联苯和苝/α，α'-联萘）的容量因子存在很大差异，这表明三种基于四苯基卟啉的载体对小平面芳族溶质具有形状选择性。这些载体上平面PAH溶质的容量因子明显大于具有相同碳原子数的非平面多芳基化合物的容量因子。
