INTRAMOLECULAR AND INTERMOLECULAR HYDROGEN BONDS IN AMINOPHENOLS

被引:6
|
作者
Belkov, M. V. [1 ]
Ksendzova, G. A. [2 ]
Polozov, G. I. [2 ]
Skornyakov, I. V. [1 ]
Sorokin, V. L. [2 ]
Tolstorozhev, G. B. [1 ]
Shadyro, O. I. [2 ]
机构
[1] Natl Acad Sci Belarus, BI Stepanov Inst Phys, Minsk 220072, BELARUS
[2] Belarusian State Univ, Minsk, BELARUS
关键词
aminophenol; IR spectrum; intramolecular hydrogen bond; intermolecular hydrogen bond; DERIVATIVES;
D O I
10.1007/s10812-010-9359-8
中图分类号
O433 [光谱学];
学科分类号
0703 ; 070302 ;
摘要
IR-Fourier spectroscopy methods are adopted to study intramolecular and intermolecular hydrogen bonds that form in CCl4 solutions of aminophenol derivatives and in a solid phase of these compounds pressed in KBr. If a hydroxyl group is present in the molecule in the ortho-position to an amino group, then intramolecular interactions between OH and NH groups will take place in aminophenol solutions. Intramolecular O-H center dot center dot center dot O=S=O and N-H center dot center dot center dot O=S=O hydrogen bonds are found in solutions of compounds containing a sulfonamide fragment. Additional acylation of the amino group causes an intramolecular O-H center dot center dot center dot O=C hydrogen bond to form in solutions. Functional groups OH, NH, SO2, and C=O interact with one another in various ways in the solid phase to form intermolecular hydrogen bonds in aminophenols.
引用
收藏
页码:496 / 501
页数:6
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