A versatile and conformationally adaptable fluorene-based receptor for efficient binding of silver cation
We have designed and synthesized a versatile fluorene-based receptor (1) in a one-pot reaction from readily available precursors, which adapts a deltaphane- or π-prismand-like conformer via a simple C-C bond rotation. Such a conformational adaptability of 1 allows it to bind a single silver cation with remarkable efficiency (K ∼ 15000 M-1) as monitored by 1H NMR or UV-vis spectroscopy and further confirmed by competition experiments with tris[2.2.2]paracyclophane (or π-prismand 2) as well as a model compound 3 containing only one fluoranyl ring. Copyright © 2005 American Chemical Society.
Rathore, R., Chebny, V., & Abdelwahed, S. (2005). A versatile and conformationally adaptable fluorene-based receptor for efficient binding of silver cation. Retrieved from https://digitalcommons.pvamu.edu/chemistry-physics-facpubs/21