Novel Ionophores with 2n-Crown-n Topology: Anion Sensing via Pure Aliphatic C-H center dot center dot center dot Anion Hydrogen Bonding
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- Novel Ionophores with 2n-Crown-n Topology: Anion Sensing via Pure Aliphatic C-H center dot center dot center dot Anion Hydrogen Bonding
- Shi, Genggongwo; Gadhe, Changdev G.; Park, Sung-Woo; Kim, Kwang S.; Kang, Jongmin; Seema, Humaira; Singh, N. Jiten; Cho, Seung Joo
- Issue Date
- AMER CHEMICAL SOC
- ORGANIC LETTERS, v.16, no.2, pp.334 - 337
- A series of novel coronands having a 2n-crown-n topology based on trioxane (6-crown-3) derivatives are designed and characterized. These neutral hosts can sense anions through pure aliphatic C-H hydrogen bonding (HB) in condensed phases due to the unusual topology of 2n-crown-n. C-H bonds are strongly polarized by two adjacent oxygen atoms in this scaffold. These hosts provide a rare opportunity to modulate anion binding strength by changing the electronic nature of aliphatic C-H bonds and offer ease of synthesis.
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