TAILIEUCHUNG - Ebook Organic chemistry of explosives: Part 2

(BQ) Part 2 book "Organic chemistry of explosives" has contents: Energetic compounds 2 - Nitramines and their derivatives, miscellaneous explosive compounds, dinitrogen pentoxide – an eco friendly nitrating agent. | 6 Energetic Compounds 2: Nitramines and Their Derivatives In Chapter 5 we discussed the methods used to incorporate N -nitro functionality into compounds in addition to the synthesis of the heterocyclic nitramine explosives RDX and HMX. The high performance of such heterocyclic nitramines has directed considerable resources towards the synthesis of compounds containing strained or caged skeletons in conjunction with N -nitro functionality. These compounds derive their energy release on detonation from both the release of molecular strain and the combustion of the carbon skeleton. Some nitramine compounds contain heterocyclic structures with little to no molecular strain. Even so, such skeletons often lead to an increase in crystal density relative to the open chain compounds and this usually results in higher explosive performance. A common feature of explosives containing N -nitro functionality is their higher performance compared to standard C-nitro explosives like TNT. Compounds containing strained or caged skeletons in conjunction with N -nitro functionality are some of the most powerful explosives available. CYCLOPROPANES NHAc AcHN NHAc 1 NHNO2 1. Ac2O, HNO3 or TFAA, HNO3 2. NH4OH 3. H+ O2NHN NHNO2 2 Figure 1,2,3-Tris(nitramino)cyclopropane (2) has been synthesized via the nitration of 1,2,3tris(acetamido)cyclopropane (1) with acetic anhydride–nitric acid, followed by ammonolysis of the resulting secondary nitramide and subsequent acidification of the ammonium This strategy is a common route to primary nitramines (see Section ). 1,2,3Tris(nitramino)cyclopropane has a favourable oxygen balance and is predicted to exhibit high Organic Chemistry of Explosives J. P. Agrawal and R. D. Hodgson C 2007 John Wiley & Sons, Ltd. 264 Nitramines and Their Derivatives CYCLOBUTANES H2N 81 % OEt 3 O O OEt KOCN, HCl (aq) H2N O HN NH OEt N H 4 H2SO4 (aq) 44 % HN OEt NH 5 Ac2O, reflux 68 % O K2CO3, EtOH (aq) AcN .

• Hoá học
• Organic chemistry
• Energetic compounds 2
• Organic chemistry of explosives
• Their derivatives
• Miscellaneous explosive compounds
• Dinitrogen pentoxide
• Friendly nitrating agent
• In this workbook
• experiments are elaborated using small scale glassware and equipments from a Small Lab Kit
• developed at the Department of Chemistry
• Faculty of Science
• Chulalongkorn University in Thailand
• This Small Lab Kit was created as a result of the research project entitled “Chemistry Laboratory Based on Chemical Safety and Pollution Minimization” sponsored by Thai Research Fund (RDG 3 07 2543)
• One of the outcomes of this project is the organic laboratory book entitled “Organic Chemistry Laboratory Based on Chemical Safety and Pollution Minimization” written in Thai by professors from 7 universities in this project
• They compiled
• adjusted and tested the experiments taken from several traditional organic chemistry laboratory books using the prototype of Small Lab Kit
• Currently
• some selected experiments from this Thai organic chemistry laboratory text have further been modified
• rewritten and edited in English as appeared in this workbook
• Some experiments ar
• Ebook Organic chemistry
• Nucleophilic substitution
• Determining organic structures
• nucleophilic addition
• Organic structures
• Electrophilic aromatic substitution
• Principles of organic chemistry
• Methods of organic chemistry
• The methane series
• The acetylene series
• Polybasic acids
• High school
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• Identification of organic compounds
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• Electron delocalization
• Organic compounds
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• Inorganic chemistry
• A guidebook to mechanism in organic chemistry
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• The industrial road toward increasing efficiency
• Lecture Organic chemistry
• Hóa học hữu cơ
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• Chemistry of benzene
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• Summary of Organic Chemistry Dotoral Thesis
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• Ideas in chemistry
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• Electronic Structure
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• Chlorination of Methane
• Chiral carbons
• Nonmobile conformers
• Alkyl Halides