A Guanidinium Ion-Based Anion- and Solvent Polarity-Controllable Molecular Switch

作者:Lin Tzu Chiun; Lai Chien Chen; Chiu Sheng Hsien*
来源:Organic Letters, 2009, 11(3): 613-616.
DOI:10.1021/ol802638k

摘要

The macrocycle bis-p-xylyl[26]crown-6 (BPX26C6) is capable of complexing guanidinium ions in a [2]pseudorotaxane-like manner in solution. A corresponding molecular switch can be operated through changes in solvent polarity or the addition and removal of halogen and acetate anions.