Alkali metal ion selectivities of podands that form pseudo-cyclic structures by intramolecular hydrogen bonding
作者:Yoichi Habata、Yoji Fukuda、Sadatoshi Akabori、Jerald S. Bradshaw
DOI:10.1039/b201525k
日期:2002.3.25
New podands capable of intramolecular hydrogen bonding (1–3) have been synthesized. 13C NMR titration experiments and FAB mass spectra of the podands show that 1 and 2 form pseudo-cyclic structures under guest-free conditions. The X-ray crystal structure of the 2–NaSCN complex is also reported.
我们合成了能够进行分子内氢键结合的新型 podands(1-3)。这些 podands 的 13C NMR 滴定实验和 FAB 质谱显示,1 和 2 在无客体条件下形成了伪环状结构。此外,还报告了 2-NaSCN 复合物的 X 射线晶体结构。
Host-guest complexation. 3. Organization of pyridyl binding sites
作者:Martin Newcomb、Joseph M. Timko、David M. Walba、Donald J. Cram
DOI:10.1021/ja00461a035
日期:1977.9
NEWCOMB M.; GOKEL G. W.; CRAM D. I., I. AMER. CHEM. SOC. <IACS-AT>, 1974, 96, NO 21, 6810-6811