Synthesis of 3(5)-aryl-5(3)-pyrazolyl-1,2,4-oxadiazole nitro derivatives

被引：0
|
作者：
Tatyana K. Shkineva
Irina A. Vatsadze
Tigran E. Khoranyan
Dmitry L. Lipilin
Alla N. Pivkina
Igor L. Dalinger
机构：
[1] N. D. Zelinsky Institute of Organic Chemistry,
[2] Russian Academy of Sciences,undefined
[3] N. N. Semenov Federal Research Center of Chemical Physics,undefined
[4] Russian Academy of Sciences,undefined
来源：
Chemistry of Heterocyclic Compounds | 2021年 / 57卷
关键词：
arylpyrazolyl-1,2,4-oxadiazole; nitropyrazole; 1,2,4-oxadiazole; cyclization; nitration; nucleophilic substitution; thermal stability;
D O I：
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中图分类号：
学科分类号：
摘要：
A method was developed for the synthesis of 3(5)-aryl-5(3)-pyrazolyl-1,2,4-oxadiazoles by acylation of amidoximes with acyl chlorides, followed by cyclization of pyrazolyl-O-acylamidoximes into the respective oxadiazoles. Nitration of these products was studied, in combination with nucleophilic substitution reactions in the obtained nitro derivatives.
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页码：828 / 836
页数：8
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