NMR and IR spectroscopic study of mono-, bi- and tricyclic piperidone systems

被引：0

作者：

Vijayakumar, V. ^{[1
]}

Sundaravadivelu, M. ^{[1
]}

Perumal, S. ^{[2
]}

机构：

[1] Department of Chemistry, Gandhigram Rural Institute, Deemed University, Gandhigram-624302, India

[2] School of Chemistry, Madurai Kamaraj University, Madurai-625021, India

来源：

| 2001年 / John Wiley and Sons Ltd卷 / 39期

关键词：

D O I：

10.1002/1097-458X(200102)39:23.0.CO;2-F

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A number of mono-, bi- and tricyclic 4-piperidones were prepared and their NMR and IR spectra measured. The spectroscopic parameters show that the strain associated with these heterocycles decrease in the order tricyclic > bicyclic > monocyclic. It appears that in the case of the bicyclic system, part of the strain is relieved by one of its six-membered rings assuming a boat form and by flattening whereas in the tricyclic system the strain cannot be relieved to a significant extent. Copyright © 2001 John Wiley & Sons, Ltd.

引用

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