Synthesis of substituted pyrazolo[1,5-a]quinoxalines using the reductive cyclization

被引：0
|
作者：
V. A. Panova
S. A. Ivanovskii
A. A. Shetnev
Zh. V. Chirkova
T. N. Sudzilovskaya
S. I. Filimonov
机构：
[1] K. D. Ushinsky Yaroslavl State Pedagogical University,Pharmaceutical Technology Transfer Center
[2] Yaroslavl State Technical University,undefined
来源：
Russian Chemical Bulletin | 2020年 / 69卷
关键词：
reductive cyclization; -dehydroxylation; palladium catalysis; pyrazolo[1,5-; ]-quinoxaline;
D O I：
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学科分类号：
摘要：
New pyrazolo[1,5-a]quinoxalin-4-ones were obtained by reductive cyclization from the corresponding 1-(2-nitroaryl)pyrazole-5-carboxylates. Alternatively, pyrazolo[1,5-a]quinoxalines were prepared from N-hydroxypyrazolo[1,5-a]quinoxalines.
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页码：1965 / 1970
页数：5
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