Specific intramolecular C-H center dot center dot center dot O interactions in 1-vinyl-2-formylimidazole and 1-vinyl-2-formylbenzimidazole studied by H-1 and C-13 NMR spectral data

被引：5

作者：

Afonin, AV

Baikalova, LV

Domnina, ES

机构：

[1] Irkutsk Inst. of Organic Chemistry, Siberian Br. Russ. Acad. of Sci., 664033 Irkutsk

来源：

RUSSIAN CHEMICAL BULLETIN | 1996年 / 45卷 / 05期

关键词：

1-vinyl-2-formylimidazole; 1-vinyl-2-formylbenzimidazole; specific intramolecular C-H center dot center dot center dot O interaction; H-1 and C-13 NMR spectra;

D O I：

10.1007/BF01431606

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

According to the H-1 and C-13 NMR spectral data, the vinyl group in 1-vinyl-2-formylimidazole and 1-vinyl-2-formylbenzimidazole is trans-oriented with respect to the formyl fragment, while the carbonyl group occupies the anti-position with respect to the N atom of pyridine cycle. A specific intramolecular C-H...O interaction of a weak hydrogen bond type is realized between the alpha-H atom of the vinyl group and O atom of the carbonyl group.

引用

页码：1137 / 1141

页数：5

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