4.7 Article

Silver-Catalyzed Synthesis of 2-Cyano-5-pyrazolyl-2H-tetrazole: A Promising Precursor to Insensitive Energetic Compounds

Related references

Note: Only part of the references are listed.
Article Chemistry, Multidisciplinary

Unraveling the reactivity of the azo bridge in 3,3′-(5-dinitromethyl-1,2,4-oxadiazolyl)-4,4′-azofurazanate in the synthesis of energetic compounds

Peng Chen et al.

Summary: Introducing an azo bridge into energetic compounds can improve their performance, as shown in the reactivity of 3,3'-(5-methyl dinitroacetate-1,2,4-oxadiazolyl)-4,4'-azofurazan when preparing azo-bridged energetic salts. These materials have high densities, excellent detonation properties, and acceptable sensitivities, explained through experimental and theoretical calculations.

CHEMICAL COMMUNICATIONS (2022)

Article Engineering, Environmental

Intramolecular integration of multiple heterocyclic skeletons for energetic materials with enhanced energy & safety

Tingou Yan et al.

Summary: This study focuses on the development of new generations of high explosives with superior overall performance, by intramolecular integration of different heterocyclic skeletons. An advanced energetic molecule was designed and prepared, showing comparable energy level to RDX but with significantly better safety properties. Quantum chemistry methods were employed to further investigate the sensitivities and thermal stabilities, indicating the potential for accelerating the development of advanced energetic materials.

CHEMICAL ENGINEERING JOURNAL (2022)

Article Chemistry, Physical

3,4,5-trinitro-1 H -pyrazol-1-amine: A promising explosive alternative with high performance and low sensitivity

Wenshuai Dong et al.

Summary: ATNP, a promising high-energy compound, was synthesized using a mild method and characterized using various analytical techniques to confirm its high density, good thermal stability, impressive detonation performance, and low sensitivities. It shows great potential for applications in the field of insensitive high-energy materials.

JOURNAL OF MOLECULAR STRUCTURE (2022)

Article Engineering, Environmental

Assembling Nitrogen-rich, thermally Stable, and insensitive energetic materials by polycyclization

Qiong Yu et al.

Summary: This article introduces a new fused N-heterocyclic framework, named ditriazolo-1,2,4,5-tetrazine (7). Compound 7 exhibits lower sensitivities and suitable decomposition temperature compared with RDX and HMX, making it a potential candidate as a secondary energetic material to replace RDX in practical applications.

CHEMICAL ENGINEERING JOURNAL (2022)

Article Chemistry, Multidisciplinary

Synthesis and Characterization of Binary, Highly Endothermic, and Extremely Sensitive 2,2′-Azobis(5-azidotetrazole)

Maximilian Benz et al.

Summary: A highly energetic nitrogen-rich binary C-N compound with high nitrogen content, mechanical sensitivities, and interesting energetic performances was successfully synthesized.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

Article Chemistry, Organic

1,3,5-Tris[(2H-tetrazol-5-yl)methyl]isocyanurate and Its Tricationic Salts as Thermostable and Insensitive Energetic Materials

Parasar Kumar et al.

Summary: Various energetic salts were obtained from inexpensive starting materials via a simple and efficient synthetic route. These compounds showed excellent detonation properties, high nitrogen content, high positive heats of formation, good thermostability, and remarkable insensitivity.

ORGANIC LETTERS (2022)

Article Engineering, Environmental

Halogen bonding (C-F•••X) and its effect on creating ideal insensitive energetic materials

Yunjie Kang et al.

Summary: A series of energetic materials with high density, thermal stability and detonation performance were synthesized and characterized in this study. The role of intermolecular halogen bonding in creating insensitive energetic materials was investigated. This design method has future importance for next-generation energetic materials.

CHEMICAL ENGINEERING JOURNAL (2022)

Article Engineering, Environmental

Assembling high nitrogen isomeric energetic molecules via a lithium-mediated concerted [2+3] reaction of two diazo compounds

Yaqun Dong et al.

Summary: In this study, two isomeric compounds were synthesized using a new method, and their energetic properties were examined. The results showed that one of the compounds exhibited better detonation performance, higher thermal stability, and lower mechanical sensitivities, suggesting its potential as an energetic material.

CHEMICAL ENGINEERING JOURNAL (2022)

Article Materials Science, Multidisciplinary

Combining the most suitable energetic tetrazole and triazole moieties: synthesis and characterization of 5-(1-hydroxy-3-nitro-1,2,4-triazol-5-yl)-1-hydroxy-tetrazole and its nitrogen-rich ionic derivatives

Lukas Bauer et al.

Summary: In this study, a combined bis-heterocyclic system composed of 1-hydroxy-tetrazole and 1-hydroxy-1,2,4-triazole was successfully synthesized, and its characterization and evaluation were conducted through a series of experiments and analysis.

MATERIALS ADVANCES (2022)

Article Engineering, Environmental

Combining 5,6-fused triazolo-triazine with pyrazole: A novel energetic framework for heat-resistant explosive

Guojie Zhang et al.

Summary: The study synthesized three thermodynamically stable explosive compounds, with compound 7 showing higher detonation properties and lower impact sensitivity, indicating its potential as a new candidate for heat-resistant explosives.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Engineering, Environmental

1,2,3-Triazole with linear and branched catenated nitrogen chains - The role of regiochemistry in energetic materials

Qi Lai et al.

Summary: Two energetic molecules with different linear and branched N8 structures were synthesized, showing a significant difference in decomposition temperatures despite having the same chemical formula and azo functionality. Analysis based on single crystal X-ray diffraction and theoretical investigations revealed that regional heterogeneity causing difference in charge distribution is the main factor contributing to the varying stabilities of these molecules.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Chemistry, Inorganic & Nuclear

Novel polynitro azoxypyrazole-based energetic materials with high performance

Pengju Yang et al.

Summary: Novel potynitro azoxypyrazole-based energetic compounds 1,2-bis (4-nitro-1H-pyrazol-5-yl) diazene 1-oxide and 1,2-bis (1,4-dinitro-1H-pyrazol-3-yl) diazene 1-oxide were synthesized from 5-amino-pyrazole-4-carbonitrile by optimized reactions, showing high thermal stability and detonation performance, enriching the content of energetic materials.

DALTON TRANSACTIONS (2021)

Article Chemistry, Multidisciplinary

Imino-bridged N-rich energetic materials: C4H3N17 and their derivatives assembled from the powerful combination of four tetrazoles

Yifei Liu et al.

Summary: This study reports the synthesis of a series of novel imino-bridged N-rich energetic compounds, demonstrating good energetic performance and stability, providing important strategy for the design and synthesis of energetic materials.

CRYSTENGCOMM (2021)

Article Chemistry, Inorganic & Nuclear

Azo- and methylene-bridged mixed azoles for stable and insensitive energetic applications

Ajay Kumar Chinnam et al.

DALTON TRANSACTIONS (2020)

Article Chemistry, Inorganic & Nuclear

Energetic C-trinitromethyl-substituted pyrazoles: synthesis and characterization

Yiying Zhang et al.

DALTON TRANSACTIONS (2019)

Article Chemistry, Inorganic & Nuclear

Tetrazolyl and dinitromethyl groups with 1,2,3-triazole lead to polyazole energetic materials

Yingle Liu et al.

DALTON TRANSACTIONS (2019)

Article Chemistry, Multidisciplinary

Multiwfn: A multifunctional wavefunction analyzer

Tian Lu et al.

JOURNAL OF COMPUTATIONAL CHEMISTRY (2012)

Article Chemistry, Physical

DFT Studies on a High Energy Density Cage Compound 4-Trinitroethyl-2,6,8,10,12-pentanitrohezaazaisowurtzitane

Jian-ying Zhang et al.

JOURNAL OF PHYSICAL CHEMISTRY A (2011)

Article Chemistry, Multidisciplinary

Selective Preparation of 3,4,5-Trinitro-1H-Pyrazole: A Stable All-Carbon-Nitrated Arene

Gregoire Herve et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2010)

Article Chemistry, Multidisciplinary

Revealing Noncovalent Interactions

Erin R. Johnson et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2010)