Academic literature on the topic 'Nitropyrazole'

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Journal articles on the topic "Nitropyrazole"

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Li, Ya Jin, Yong Xiang Li, Yan Hong Wang, et al. "Theoretical Calculation of the Detonation Parameters of Nitropyrazoles Explosives." Advanced Materials Research 853 (December 2013): 395–400. http://dx.doi.org/10.4028/www.scientific.net/amr.853.395.

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A series of new nitropyrazole explosive molecules were designed with N-nitropyrazole as structural unit, The detonation parameters of nitropyrazoles explosives, such as detonation velocity, detonation pressure, detonation temperature, detonation volume, were estimated theoretically in different methods, The calculated detonation pressure was corresponded with high energy density material (HEDM). Their detonation velocity and detonation pressure are between those of TATB and HMX. These compounds have higher detonation temperature and heat of detonation compared with HMX and TATB. It was predict
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Tang, Yongxing, Jinchao Ma, Gregory H. Imler, Damon A. Parrish, and Jean'ne M. Shreeve. "Versatile functionalization of 3,5-diamino-4-nitropyrazole for promising insensitive energetic compounds." Dalton Transactions 48, no. 38 (2019): 14490–96. http://dx.doi.org/10.1039/c9dt03138c.

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Král, Vladimír, Mikhail Ivanovich Kanishchev, Viktor Vladimirovich Semenov, Zdeněk Arnold, Svyatoslav Arkadievich Shevelev, and Albert Aleksandrovich Fainzilberg. "Synthetic utilization of N-diformylmethylazoles: The preparation of 1-heteryl-4-nitropyrazoles." Collection of Czechoslovak Chemical Communications 53, no. 7 (1988): 1529–33. http://dx.doi.org/10.1135/cccc19881529.

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Boncel, Sławomir, Kinga Saletra, Barbara Hefczyc, and Krzysztof Z. Walczak. "Michael-type addition of azoles of broad-scale acidity to methyl acrylate." Beilstein Journal of Organic Chemistry 7 (February 8, 2011): 173–78. http://dx.doi.org/10.3762/bjoc.7.24.

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An optimisation of Michael-type addition of azole derivatives of broad-scale acidity – ranging from 5.20 to 15.00 pK a units – namely 4-nitropyrazole, 3,5-dimethyl-4-nitropyrazole, 4(5)-nitroimidazole, 4,5-diphenylimidazole, 4,5-dicyanoimidazole, 2-methyl-4(5)-nitroimidazole, 5(4)-bromo-2-methyl-4(5)-nitroimidazole and 3-nitro-1,2,4-triazole to methyl acrylate as an acceptor was carried out. The optimisation process involved the use of an appropriate basic catalyst (DBU, DIPEA, NaOH, NaH, TEDA), a donor/base/acceptor ratio and the reaction temperature. The reactions were performed in DMF as so
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Vatsadze, Irina A., Olga V. Serushkina, Mikhail D. Dutov та ін. "Synthesis of 1-(N-nitropyrazolyl)-1Н-tetrazoles – a new type of heteronuclear N-nitropyrazole derivatives". Chemistry of Heterocyclic Compounds 51, № 8 (2015): 695–703. http://dx.doi.org/10.1007/s10593-015-1760-z.

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Mastalarz, Henryk, Agnieszka Mastalarz, Joanna Wietrzyk, Magdalena Milczarek, Andrzej Kochel, and Andrzej Regiec. "Synthesis of Platinum(II) Complexes with Some 1-Methylnitropyrazoles and In Vitro Research on Their Cytotoxic Activity." Pharmaceuticals 13, no. 12 (2020): 433. http://dx.doi.org/10.3390/ph13120433.

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A series of eight novel platinum(II) complexes were synthesized by the reaction of the appropriate 1-methylnitropyrazole derivatives with K2PtCl4 and characterized by elemental analysis, ESI MS spectrometry, 1H NMR, 195Pt NMR, IR and far IR spectroscopy. Thermal isomerization of cis-dichloridobis(1-methyl-4-nitropyrazole)platinum(II) 1 to trans-dichloridobis(1-methyl-4-nitropyrazole)platinum(II) 2 has been presented, and the structure of the compound 2 has been confirmed by X-ray diffraction method. Cytotoxicity of the investigated compounds was examined in vitro on three human cancer cell lin
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Xu, Minxian, Guangbin Cheng, Hualin Xiong, Bohan Wang, Xuehai Ju, and Hongwei Yang. "Synthesis of high-performance insensitive energetic materials based on nitropyrazole and 1,2,4-triazole." New Journal of Chemistry 43, no. 28 (2019): 11157–63. http://dx.doi.org/10.1039/c9nj01445d.

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A new family of symmetric nitropyrazole and 1,2,4-triazole derivatives and its energetic salts were obtained. The positive effect of ternary hydrogen bonds improve the performances of target compounds.
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Jakubczyk, Michał, Satenik Mkrtchyan, Izabela D. Madura, Paulina H. Marek, and Viktor O. Iaroshenko. "Copper-catalyzed direct C–H arylselenation of 4-nitro-pyrazoles and other heterocycles with selenium powder and aryl iodides. Access to unsymmetrical heteroaryl selenides." RSC Advances 9, no. 44 (2019): 25368–76. http://dx.doi.org/10.1039/c9ra05004c.

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In this work, we elaborated a general and straightforward method which permits the rapid assembly of unsymmetrical heteroaryl-aryl selenides containing 4-nitropyrazole, 4-nitroimidazole and a few other heterocyclic scaffolds.
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Lei, Caijin, Hongwei Yang, and Guangbin Cheng. "New pyrazole energetic materials and their energetic salts: combining the dinitromethyl group with nitropyrazole." Dalton Transactions 49, no. 5 (2020): 1660–67. http://dx.doi.org/10.1039/c9dt04235k.

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A series of energetic compounds based on nitropyrazole and dinitromethyl group were synthesized. The hydroxylammonium salt 7b exhibited satisfactory calculated detonation performance and the potassium salt 5 could be used as a potential green primary explosive.
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Zhang, Shijie, Zhenguo Gao, Di Lan, et al. "Recent Advances in Synthesis and Properties of Nitrated-Pyrazoles Based Energetic Compounds." Molecules 25, no. 15 (2020): 3475. http://dx.doi.org/10.3390/molecules25153475.

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Nitrated-pyrazole-based energetic compounds have attracted wide publicity in the field of energetic materials (EMs) due to their high heat of formation, high density, tailored thermal stability, and detonation performance. Many nitrated-pyrazole-based energetic compounds have been developed to meet the increasing demands of high power, low sensitivity, and eco-friendly environment, and they have good applications in explosives, propellants, and pyrotechnics. Continuous and growing efforts have been committed to promote the rapid development of nitrated-pyrazole-based EMs in the last decade, es
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Dissertations / Theses on the topic "Nitropyrazole"

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Guyot, Laetitia. "Evaluation des mécanismes de cytotoxicité de molécules hautement énergétiques." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSE1184.

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Dans le contexte règlementaire européen « REACH » nous avons développé un partenariat avec ArianeGroup et le CNES. L'objectif est de mieux connaitre la toxicité et les mécanismes toxiques de molécules hautement énergétiques (MHE) en utilisant des approches in vitro et in vivo. Une première partie du travail s'est focalisée sur l'étude de la cytotoxicité in vitro de deux propergols : le 1,1,4,4-tétraméthyl-2-tétrazène (TMTZ) et la monométhylhydrazine (MMH), molécule de référence. Le TMTZ possède un très faible impact, en comparaison de la MMH, sur le métabolisme cellulaire ou l'induction d'un s
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Conference papers on the topic "Nitropyrazole"

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Nageswara Rao, E., Sreedhar Sunku, Surya P. Tewari, G. Manoj Kumar, and S. Venugopal Rao. "Femtosecond LIBS studies of nitropyrazoles." In SPIE Defense, Security, and Sensing, edited by Augustus W. Fountain. SPIE, 2013. http://dx.doi.org/10.1117/12.2015760.

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Zyuzin, Igor, Anatolii Kazakov, David Lempert, and Albina Nabatova. "ALKOXY-NNO-AZOXY DERIVATIVES OF NITROPYRAZOLES AND NITRAMINES. SYNTHESIS, THERMOCHEMICAL AND ENERGY CHARACTERISTICS." In Chemistry of nitro compounds and related nitrogen-oxygen systems. LLC MAKS Press, 2019. http://dx.doi.org/10.29003/m741.aks-2019/149-155.

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Krylov, Igor, Alexander Budnikov, Elena Lopat’evaa, and Alexander Terent’eva. "4-NITROPYRAZOLIN-5-ONES – A NEW CLASS OF FUNGICIDES FOR CROP PROTECTION." In Chemistry of nitro compounds and related nitrogen-oxygen systems. LLC MAKS Press, 2019. http://dx.doi.org/10.29003/m740.aks-2019/146-148.

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