Anion-directed self-assembly of a 2,6-bis( 2-anilinoethynyl) pyridine bis( amide) scaffold

被引：2

作者：

Tresca, Blakely W. ^{[1
,2
]}

Berryman, Orion B. ^{[1
,2
,4
]}

Zakharov, Lev N. ^{[3
]}

Johnson, Darren W. ^{[1
,2
]}

Haley, Michael M. ^{[1
,2
]}

机构：

[1] Univ Oregon, Dept Chem & Biochem, Eugene, OR 97403 USA

[2] Univ Oregon, Inst Mat Sci, Eugene, OR 97403 USA

[3] Univ Oregon, CAMCOR, 1443 East 13th Ave, Eugene, OR 97403 USA

[4] Univ Montana, Dept Chem & Biochem, 32 Campus Dr, Missoula, MT 59812 USA

来源：

SUPRAMOLECULAR CHEMISTRY | 2016年 / 28卷 / 1-2期

基金：

美国国家卫生研究院; 美国国家科学基金会;

关键词：

self-assembly; anion binding; amide binding; host-guest; DOSY; PI INTERACTIONS; ION; RECEPTORS; SERIES; ARCHITECTURES; SOLVENTS; COMPLEX; BINDING; SENSOR; CATION;

D O I：

10.1080/10610278.2015.1072199

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Bis(sulfonamide) receptors based on the 2,6-bis(2-anilinoethynyl)pyridine scaffold form persistent dimers with water and halides in solution and in the solid-state. The structurally related bis(amide) receptor derived from 3,5-dinitrobenzoyl chloride is a dimer in the solid-state with two HCl molecules directing the self-assembly. The 2+2 dimer, with a twisted S'-shaped backbone, is held together by six hydrogen bonds. Dissolution of the (H2(+)Cl(-))(2) adduct in CHCl3 results, however, in a monomeric structure. DOSY and H-1 NMR experiments were used to identify the dominance of monomer in solution for both 2 and H2(+)Cl(-). The OFF-ON' fluorescence response of 2,6-bis(2-anilinoethynyl)pyridine is retained with amide arms.

引用

页码：37 / 44

页数：8

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