Results 1 to 10 of about 155,331 (291)

New Solvent-Free Melting-Assisted Preparation of Energetic Compound of Nickel with Imidazole for Combustion Synthesis of Ni-Based Materials [PDF]

open access: yesNanomaterials, 2021
In this work two approaches to the synthesis of energetic complex compound Ni(Im)6(NO3)2 from imidazole and nicklel (II) nitrate were applied: a traditional synthesis from solution and a solvent-free melting-assisted method.
Oksana V. Komova   +8 more
doaj   +2 more sources

Nitration of Chitin Monomer: From Glucosamine to Energetic Compound [PDF]

open access: yesMolecules, 2021
The nitration of chitin monomer in a mixture of nitric acid and acetic anhydride was conducted and a highly nitrated (3R,4R,6R)-3-acetamido-6-((nitrooxy)methyl)tetrahydro-2H-pyran-2,4,5-triyl trinitrate (1) was obtained.
Hui Dou   +6 more
doaj   +2 more sources

Synthesis, Characterization, and Properties of Novel Coplanar Bicyclic Compounds Based on Triazolofurazane Compounds [PDF]

open access: yesMolecules
In this study, a C-C bond-linked triazole-fused oxadiazole energetic compound, 4-amino-5-(4-amino-1,2,5-oxadiazol-3-yl)-2,4-dihydro-3H-1,2,4-triazol-3-one (1), was successfully designed and efficiently synthesized. Following nitration, a functional group-
Mei-Qi Xu   +8 more
doaj   +2 more sources

1,1′-(Diazene-1,2-diyl)bis(4-nitro-1H-1,2,3-triazole-5-carboxamide): An N8-Type Energetic Compound with Enhanced Molecular Stability [PDF]

open access: yesMolecules
The safety concerns associated with sensitivity issues regarding long nitrogen chain-based energetic compounds, especially for eight or more catenated nitrogen atoms in backbones, need to be resolved. Incorporating specific functional groups represents a
Moxin Sun   +5 more
doaj   +2 more sources

Synthesis and Properties of Energetic MOFs Based on Bis(3-Nitro-1H-1,2,4-triazole-5-yl) Amine: Advancing High Thermal Stability and Low Sensitivity [PDF]

open access: yesMolecules
Energetic metal–organic frameworks (E-MOFs) have recently emerged as a promising strategy to address the long-standing challenge of reconciling energy and sensitivity in energetic materials. Nitrogen-rich compounds, with their abundant nitrogen atoms and
Shiluo Chen   +5 more
doaj   +2 more sources

Defensive Metabolites from Antarctic Invertebrates: Does Energetic Content Interfere with Feeding Repellence? [PDF]

open access: yesMarine Drugs, 2014
Many bioactive products from benthic invertebrates mediating ecological interactions have proved to reduce predation, but their mechanisms of action, and their molecular identities, are usually unknown.
Laura Núñez-Pons, Conxita Avila
doaj   +4 more sources

Synthesis of 2,4,6-triamino-1,3,5- trinitrobenzene [PDF]

open access: yesJournal of Aerospace Technology and Management, 2011
The 2,4,6-triamino-1,3,5-trinitrobenzene (TATB) is perhaps the most thermostable and insensitive explosive known. Its low sensibility to shock makes it suitable for military and civil applications.
Gilson da Silva   +1 more
doaj   +2 more sources

Energetic [1,2,5]oxadiazolo [2,3-a]pyrimidin-8-ium Perchlorates: Synthesis and Characterization

open access: yesMolecules, 2022
A convenient method to access the above perchlorates has been developed, based on the cyclocondensation of 3-aminofurazans with 1,3-diketones in the presence of HClO4.
Kirill V. Strizhenko   +8 more
doaj   +1 more source

A heat-resistant and insensitive energetic material based on the pyrazolo-triazine framework

open access: yesEnergetic Materials Frontiers, 2022
One of the major challenges in the field of energetic materials is to develop explosive molecules with high detonation performances and low mechanical sensitivity.
Yu-teng Cao   +5 more
doaj   +1 more source

The integration of dinitropyrazole and 1,3,4-oxadiazole: A novel hybrid heterocyclic skeleton for balancing energy and stability

open access: yesDefence Technology, 2023
In this study, a new energetic hybrid skeleton was constructed through the integration of nitropyrazole and 1,3,4-oxadiazole skeletons in a molecule. Furthermore, the energetic precursor (2), the azo-bridged compound (3), the neutral nitramine (4) and ...
Xiao-xiao Zheng   +4 more
doaj   +1 more source

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