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Updated: Jun 14, 2025

Functionalized Spirocyclic Heterocycle Synthesis and Cytotoxicity Assay
Published on: February 9, 2021
A Method for a Diamino Tricyclic Fused-Ring Energetic Material with Enhanced Stability.
Gan Jin1, Caijin Lei1, Guangbin Cheng1
1School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Xiaolingwei 200, Nanjing, Jiangsu 210094, China.
Researchers developed a new stable explosive compound with enhanced detonation performance. This novel dinitroimino derivative offers improved safety and power compared to existing materials.
Area of Science:
- Energetic materials science
- Organic synthesis
- Explosives chemistry
Background:
- Dinitroimino compounds I-V show high detonation performance but limited application due to poor thermal stability (Td < 200 °C).
- Existing explosives like RDX also have limitations in terms of stability.
Purpose of the Study:
- To synthesize a novel dinitroimino derivative with improved thermal stability and detonation performance.
- To explore a new synthetic strategy for creating complex fused-ring energetic materials.
Main Methods:
- A rare one-pot strategy was employed, involving condensation, cyclization, and intramolecular cyclization.
- Characterization of the synthesized tricyclic fused skeleton compound.
Main Results:
- A novel tricyclic fused skeleton dinitroimino derivative (compound 5) was successfully synthesized.
- Compound 5 exhibited excellent detonation performance (Dv = 9023 m s-1, P = 33.9 GPa).
- Compound 5 demonstrated improved thermal stability (Td = 235 °C) compared to compounds I-V and RDX (Td = 204 °C).
Conclusions:
- The novel synthetic strategy yields energetic materials with enhanced performance and stability.
- The synthesized dinitroimino derivative represents a promising candidate for advanced energetic applications.
- Improved stability broadens the potential applications of high-performance explosives.
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