Novel Ionophores with 2n-Crown-n Topology: Anion Sensing via Pure Aliphatic C-H•••Anion Hydrogen Bonding

被引：25

作者：

Shi, Genggongwo ^{[1
]}

Gadhe, Changdev G. ^{[2
]}

Park, Sung-Woo ^{[1
]}

Kim, Kwang S. ^{[1
]}

Kang, Jongmin ^{[3
]}

Seema, Humaira ^{[1
]}

Singh, N. Jiten ^{[1
]}

Cho, Seung Joo ^{[2
,4
]}

机构：

[1] Pohang Univ Sci & Technol, Dept Chem, Pohang 790784, South Korea

[2] Chosun Univ, Dept Bionew Drug Dev, Kwangju 501759, South Korea

[3] Sejong Univ, Dept Chem, Seoul 143747, South Korea

[4] Chosun Univ, Coll Med, Dept Cellular Mol Med, Kwangju 501759, South Korea

来源：

ORGANIC LETTERS | 2014年 / 16卷 / 02期

关键词：

RECEPTORS; RECOGNITION; COMPLEXES;

D O I：

10.1021/ol402819m

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

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.

引用

页码：334 / 337

页数：4

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