Synthesis and crystal structure of a pyrazole derivative of artemisia ketone

被引:0
作者
G. A. Atazhanova
A. T. Kulyyasov
A. D. Dembitskii
V. A. Raldugin
M. M. Shakirov
I. Yu. Bagryanskaya
Yu. V. Gatilov
S. M. Adekenov
G. A. Tolstikov
机构
[1] Ministry of Education and Science,Institute of Phytochemistry
[2] Russian Academy of Sciences,Novosibirsk Institute of Organic Chemistry, Siberian Division
来源
Chemistry of Natural Compounds | 2000年 / 36卷
关键词
artemisia ketone; 5-(1′,1′-dimethylallyl)-3,3-dimethyl-3H-pyrazole-N,N′-dioxide; synthesis;
D O I
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中图分类号
学科分类号
摘要
The oxime of artemisia ketone is smoothly converted to the pyrazole derivative by sodium nitrite and acetic acid in CHCl3. The structure of the pyrazole was found by x-ray structural analysis. The PMR and13C NMR spectra were interpreted using two-dimensional1H−13C NMR (COSY, COLOC).
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页码:152 / 155
页数:3
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