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

被引：0
|
作者：
Vijayakumar, V
Sundaravadivelu, M [1 ]
Perumal, S
机构：
[1] Deemed Univ, Gandhigram Rural Inst, Dept Chem, Gandhigram 624302, India
[2] Madurai Kamaraj Univ, Sch Chem, Madurai 625021, Tamil Nadu, India
来源：
MAGNETIC RESONANCE IN CHEMISTRY | 2001年 / 39卷 / 02期
关键词：
NMR; H-1; C-13; IR x-ray; piperidones; azabicyclo[3.3.1]nonan-9-ones; diazaadamantan-6-ones;
D O I：
10.1002/1097-458X(200102)39:2<101::AID-MRC797>3.0.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 (C) 2001 John Wiley & Sons, Ltd.
引用
收藏
页码：101 / 104
页数：4
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