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.
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