作者:Werner Abraham、Lutz Grubert、Sebastian Schmidt-Schäffer、Karin Buck
DOI:10.1002/ejoc.200400607
日期:2005.1
4′-biphenylene) and molecular threads incorporating arylcycloheptatriene units as stations was studied through the differences between the proton resonances observed in the NMR spectra of free molecular threads and in those of corresponding pseudorotaxanes and rotaxanes (CIS values). Molecular threads of different lengths possessing one or two recognition stations and incorporating two different isomeric arylcycloheptatriene
通过在游离分子线的 NMR 光谱中观察到的质子共振之间的差异研究了四阳离子环双 (百草枯-4,4'-亚联苯) 和包含芳基环庚三烯单元的分子线之间相互作用的性质。相应的假轮烷和轮烷(CIS 值)。具有一或两个识别站并结合两种不同异构芳基环庚三烯单元的不同长度的分子线被用于假轮烷和轮烷。从分子线不同部分的 CIS 值推断出对假轮烷络合和轮烷共构象背后的驱动力的主要贡献。环芳质子共振的异常信号分散归因于由包含不对称环庚三烯环的分子线引起的不对称性。(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005)