Synthesis of 4-Amino-5-nitro-7H-pyrazolo[3,4-d][1,2,3]triazine-2-oxide and Its Heat-Resistant Derivatives

被引：0

作者：

Zhang, Rongzheng ^{[1
]}

Xu, Yuangang ^{[1
]}

Jiang, Shuaijie ^{[1
]}

Yang, Feng ^{[1
]}

Lu, Ming ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Sch Chem & Chem Engn, Nanjing 210094, Peoples R China

来源：

ORGANIC LETTERS | 2024年 / 26卷 / 47期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1021/acs.orglett.4c03691

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

4-Amino-5-nitro-7H-pyrazolo[3,4-d][1,2,3]triazine-2-oxide (PTO) is synthesized via one step in this study. Subsequently, 4,7-diamino-5-nitro-pyrazolo[3,4-d][1,2,3]triazine-2-oxide (APTO), 4-oxo-5-nitro-7H-pyrazolo[3,4-d][1,2,3]triazine-2-oxide (OPTO), and several heat-resistant salts are synthesized through local structural modifications on PTO. Comparison of thermal stability between PTO and APTO indicates that while the amino group has a negative impact on the thermal stability of APTO, it enhances the detonation performance of APTO and effectively reduces its mechanical sensitivity. Our findings provide a practical new approach for constructing energetic materials with excellent stability.

引用

页码：10119 / 10123

页数：5

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