Efficient synthesis of N-methyltetranitropyrrole: A stable, insensitive and high energy melt-castable material
- Authors
- Thaltiri, Vikranth; Chavva, Kurumurthy; Kumar, B. Sathish; Panda, Pradeepta K
- Issue Date
- Aug-2019
- Publisher
- ROYAL SOC CHEMISTRY
- Keywords
- THERMAL-DECOMPOSITION; NITROPYRROLES; DERIVATIVES; NITRATION; FUNCTIONALIZATION; DINITRAMIDE; CHEMISTRY; STRATEGY; FAMILY; SALTS
- Citation
- NEW JOURNAL OF CHEMISTRY, v.43, no.31, pp.12318 - 12324
- Indexed
- SCIE
SCOPUS
- Journal Title
- NEW JOURNAL OF CHEMISTRY
- Volume
- 43
- Number
- 31
- Start Page
- 12318
- End Page
- 12324
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/189837
- DOI
- 10.1039/c9nj01227c
- ISSN
- 1144-0546
- Abstract
- 1-Methyl-2,3,4,5-tetranitropyrrole, a potential high energy density material, first reported in 1979 in only 0.28% overall yield, has been synthesized efficiently (in more than 5% overall yield) by following two alternate routes from 1-(triisopropylsilyl)pyrrole and 1-methylpyrrole. Detailed characterization shows that it is stable up to 196 degrees C and possesses a density of 1.93 g cm(-3). The corresponding velocity of detonation and detonation pressure are 8950 m s(-1) and 36.9 GPa, respectively. These values are slightly better than those of RDX, whereas, its sensitivity towards impact and friction are much lower than that of RDX. In addition, its melting point of 100 degrees C further highlights its potential as a melt castable material in a high energy formulation.
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