3%2c5-二氨基多硝基吡啶及其衍生物合成的研究.pdf

硕士论文 3,Ⅱ比啶及其衍生物的合成研究摘要近年来,在寻找能量大于ⅨrB的新型低感(或钝感)炸药的研究中,多硝基氨基吡啶及其衍生物以其高能量、高生成焓、低感度、热安定性等特征而受到关注。其大部分是具有良好爆轰性能和耐热性能的固态化合物,在钝感弹药、发射药、推进剂中和民用炸药等特殊领域中有重要的应用价值。本文以3,,通过氧化、酰氯化、酰胺化、,,,再通过多种硝化体系硝化3,,,探索合成 3,: ,,,优化了整条工艺路线。 ,发烟硫酸/发烟硝酸,硝酸钾/发烟硫酸,醋酐/硝酸等多种硝化体系对3,,均未得到硝化产物。 、乙酰基和甲氧羰基作氨基的保护基团,对3,5一二乙氧羰基氨基吡啶、 3,、3,,发现3,。合成了3,,包括3,,反应收率为52%,3, ,反应收率为64%,3,,%,和3,,4,%, 将3,,,得到3,,,反应收率为18%。运用现代化分析仪器即瓜,MS,1HNMR和元素分析等进行结构表征,确认了各个中间体及产物的结构。关键词:3,,硝化,3, AbSllact 硕士论文 Abstract I沁cently,也emulti-11i衄l一锄iIlo—p),pollllds aIlditsderiVatives,moSt ofw11ich hadch甜acteri s_ticsoftligh-ene玛y,lli曲formation entk邮y’lowsens“ivity’t11emaJ s切bili坝 good detonation aIldheatresist觚ce,havebeen晰dely studied aS a new m曲一ene唱y, lo、v-iIlseIlsitivi时explosiveso印tion ofmem have been used insome Specim are2usofhi出ten叩era:ture弱well asir略ensitivenmIlitioIls,propell趾t powder’propellants and ciViliaIlexplosiVes. 111thispaper,by directly ni打atingAminop州dm锄dprotected锄mp如dine,wIlich wereprepared舳m3,5一<IiIIlemylp皿d疵in sinlple reactioIlsoftIlreestepsinclud吨 oxidation of methyl,锄ination锄d Ho丘IlaIlIlde伊adation'the feaSibi够 of multi—Ilit巧l-锄i110-py打dine wasinVeStigated: innuencef破ors ofevery stepwere咖died,so 3,5一di锄inop汪dine姐d besy劬esized e街ciently. no Ilitrificationproductsby directlyIlitrating3,5-diallliIlopyridine,althou曲 Some nitrationsySt咖s(HN03,H2S04,H2SO肛N03,AC20/HN03 aIld Soon)haVe been applied. resultsofIlitrating3,5-diacetaminopyridine,3,5一diethoxycmonyl锄inopydm,3, 5-dim甜loXyc砷onyl锄inopydine and itsni仃ogen oXide wc∞, nitrification of3,5一dimemoxycarbonylanlino pyddin