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Featured researches published by Chen Boren.


Heterocycles | 1994

Synthesis of Nitro Derivatives of Triazoles

Ou Yuxiang; Chen Boren; Li Jia-Rong; Dong Shuan; Li Jianjun; Jia Huiping

This paper reviews the synthesis routes of nitro derivatives of triazoles with emphases on those used as energetic materials


Journal of Energetic Materials | 2003

Theoretical Studies on Pentanitromonoacetylhexaazaisowurtzitane (PNMAIW) by AM1 and PM3 Methods

Wu Yukai; Ou Yuxiang; Liu Zhiguo; Chen Boren

We use AM1 and PM3 semiempirical methods to conduct theoretical studies on possible polymorphs of pentanitromonoacetylhexaazaisowurtzitane (PNMAIW), and the close relationship, especially in sensitivity, between PNMAIW and four common nitramine explosives including hexanitrohexaazaisowurtzitane (HNIW) is set up. We forecast that the polymorphs of PNMAIW and HNIW are very alike, and the average real lengths of N–N, C–N and C–C bonds are 0.1403, 0.1455, and 0.1572 nm for A- and C-PNMAIW, 0.1398, 0.1453, and 0.1573 nm for B-PNMAIW, and 0.1396, 0.1452, and 0.1575 nm for D-PNMAIW. The heat of formation of PNMAIW in solid phase is about 152 kJ·mol−1. The impact and shock sensitivities of PNMAIW are predicted to be lower than that of HNIW.


Journal of Energetic Materials | 1993

Synthesis OF N,N1-BIS(2–nitro–benzodifuroxanyl) –3,5–dinitro–2,6–diaminopyridine

Wang Naixing; Chen Boren; Ou Yuxiang

Abstract N,N1-bis(2-nitro-benzodifuroxanyl)-3,5-dinitro-2,6-diaminopyridine has been synthesized from 2,6-diaminopyridine and trinitrotrichlorobenzene, Yields of 80 - 90% were obtained under extremely mild reaction conditions. For this end compound,The structure has been determined by elemental analysis,IR, 1HNMR, and MS spectroscopies.


Journal of Energetic Materials | 1999

Synthesis of 1-oxo-4-hydroxymethyl-2,6,7-trioxa-1-phosphabicyclo[2,2,2] octane derivatives

Ye Ling; Zhou Zhi-ming; Ou Yuxiang; Chen Boren

Abstract Three 1-oxo-4-hydrorymethyl-2,6,7-trioxa-1-phosphabicyclo[2.2.2] octanc energetic derivatives were synthesized. The molecular structure of the products has been confirmed by MS, IR, 1H NMR and elemental analysis. Some physical properties of these products including density and thermal decomposition are reported.


Science China-chemistry | 2004

Theoretical studies on the possible conformers and properties of tetranitrodiazidoacetylhexaazaisowurtzitane (TNDAIW)

Wu Yukai; Ou Yuxiang; Liu Zhiguo; Liu Jinquan; Meng Zheng; Chen Boren

Tetranitrodiazidoacetylhexaazaisowurtzitane (TNDAIW) is a novel polyazapolycyclic caged polyazidonitramine explosive first synthesized in our laboratory. All of the possible conformers of TNDAIW are optimized using both the AM1 and PM3 methods. TNDAIW is predicted to have more polymorphs than hexanitrohexaazoisowurtzitane (CL-20). The HF/6-31G(d) level of theory is used to investigate the lowest energy structures of D-TNDAIW for both AM1 and PM3. The possible conformers of TNDAIW are predicted to be more stable than epsilon-CL-20 based on the N-NO2 bond lengths. The impact and shock sensitivities of both the possible DA- and DP-TNDAIW are lower than the corresponding ones of epsilon-CL-20. TNDAIW with the possible conformers is estimated to be a promising novel high energy density explosive.


Journal of Energetic Materials | 1999

Kinetic studies of thermal decomposition of AANTO, BAED and DAAP by ARC and DSC

Dong Shuan; Wan Xingzhong; Ou Yuxiang; Feng Chang-gen; Wang Yun; Chen Boren

Abstract In this paper, three new organic azids i.e. 2-azidoethylammonium-3-nitro-1,2,4-triazol-5-onate (AANTO), 1,1-dinitro-3-aza-5-azidopentane (DAAP) and bis (2-azidoethylamine)-ethyl-dinitramine (BAED) are synthesized and characterized, and their thermal decomposition reactions are studied using DSC and ARC. The approximate heat of decomposition is determined, and the the self-heating rates and pressure increasing rates are measured as the function of self-heating temperature. Their thermal stability is compared, and their potential thermal hazard is assessed.


Journal of Energetic Materials | 1998

Synthesis of new azide: 1,3,5,-tris[(azidomethyl) dinitromethyl]benzene

Yan Hong; Guan Ziaopei; Chen Boren

Abstract 1,3,5-Tris[(azidomethyl)dinitromethyl] benzene has been synthesized from tripotassium salt of 1,3,5-tris(dinitromethyl)benzene in three steps. Its structure has been established with the help of elemental analysis, IR, 1H-NMR, and Mass spectroscopies. Thermal decomposition of the title compound has been studied by DTA, and some other properties are also reported.


Propellants, Explosives, Pyrotechnics | 1991

Crystal structure of ammonium 3‐nitro‐1,2,4‐triazol‐5‐onate

Li Jia-Rong; Chen Boren; Ou Yuxiang; Zhu Neijue


Propellants, Explosives, Pyrotechnics | 1994

Review on Benzofuroxan System Compounds

Wang Naixing; Chen Boren; Ou Yuxiang


Propellants, Explosives, Pyrotechnics | 1992

Synthesis of N-2,4,6-trinitrophenyl-N'-2,4-dinitrobenzofuroxano-3,5-dinitro-2,6-diaminopyridine

Wang Naixing; Chen Boren; Ou Yuxiang

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Ou Yuxiang

Beijing Institute of Technology

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Wang Naixing

Beijing Institute of Technology

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Liu Zhiguo

Beijing Institute of Technology

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Wu Yukai

Beijing Institute of Technology

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Dong Shuan

Beijing Institute of Technology

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Yuxiang Ou

Beijing Institute of Technology

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Feng Zengguo

Beijing Institute of Technology

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Li Jia-Rong

Beijing Institute of Technology

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Liu Jinquan

Beijing Institute of Technology

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Naixing Wang

Beijing Institute of Technology

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