Assessment of intermolecular N-H ... F and N-H ... Cl hydrogen bonding in stabilising hetero- and homodimers in solution

被引：4

作者：

Liu, Yan-Hua ^{[1
]}

Xu, Xiao-Na ^{[1
]}

Zhao, Xin ^{[1
]}

Li, Zhan-Ting ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Organ Chem, Shanghai 200032, Peoples R China

[2] Fudan Univ, Dept Chem, Shanghai 200433, Peoples R China

来源：

SUPRAMOLECULAR CHEMISTRY | 2015年 / 27卷 / 5-6期

关键词：

hydrogen bond; dimerisation; chlorine acceptor; fluorine acceptor; supramolecule; CENTER-DOT-N; BONDED SUPRAMOLECULAR POLYMERS; FOLDAMERS; FLUORINE; HYDRAZIDE; DUPLEXES; MODULES;

D O I：

10.1080/10610278.2014.990390

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This paper describes the first assessment of intermolecular weak N-H horizontal ellipsis F and N-H horizontal ellipsis Cl hydrogen bonding in stabilising hetero- and homodimers in solution. Aromatic amide and urea monomers have been designed and synthesised. The association constants of the heterodimers formed by two complementary monomers and the homodimers formed by self-complementary monomers have been determined by using H-1 titration and dilution experiments. The results show that both N-H horizontal ellipsis F and N-H horizontal ellipsis Cl hydrogen bonds are able to stabilise the corresponding dimers to a measurable extent, even though the stability of the dimers is generally low.

引用

页码：310 / 320

页数：11

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