以亚氨基二乙腈为起始原料,经过亚硝基化、环合、硝化三步反应得到2,6-二氨基-3,5-二硝基吡嗪-1-氧化物(LLM-105)。确定了硝化2,6-二氨基吡嗪-1-氧化物(DAPO)制备LLM-105的最佳工艺条件为:反应温度25℃,反应时间5h,用发烟硝酸或硝酸钾...以亚氨基二乙腈为起始原料,经过亚硝基化、环合、硝化三步反应得到2,6-二氨基-3,5-二硝基吡嗪-1-氧化物(LLM-105)。确定了硝化2,6-二氨基吡嗪-1-氧化物(DAPO)制备LLM-105的最佳工艺条件为:反应温度25℃,反应时间5h,用发烟硝酸或硝酸钾向发烟硫酸和2,6-二氨基吡嗪-1-氧化物混合物中加料的工艺路线,总产率为35%。用1 H NMR,IR,MS对DAPO和LLM-105的结构进行了表征,推测了DAPO环化反应历程。展开更多
The title compound N,N′ ditosyl 3 methoxyimino 1,5 diaza cyclooctane(4) has been prepared by two methods,the reactions of all steps are carried out under very moderate conditions and the overall yield is high.The str...The title compound N,N′ ditosyl 3 methoxyimino 1,5 diaza cyclooctane(4) has been prepared by two methods,the reactions of all steps are carried out under very moderate conditions and the overall yield is high.The structures of the new compounds 2,3,4 are characterized by elemental analysis,IR, 1H NMR and MS spectroscopy.展开更多
文摘以亚氨基二乙腈为起始原料,经过亚硝基化、环合、硝化三步反应得到2,6-二氨基-3,5-二硝基吡嗪-1-氧化物(LLM-105)。确定了硝化2,6-二氨基吡嗪-1-氧化物(DAPO)制备LLM-105的最佳工艺条件为:反应温度25℃,反应时间5h,用发烟硝酸或硝酸钾向发烟硫酸和2,6-二氨基吡嗪-1-氧化物混合物中加料的工艺路线,总产率为35%。用1 H NMR,IR,MS对DAPO和LLM-105的结构进行了表征,推测了DAPO环化反应历程。
文摘The title compound N,N′ ditosyl 3 methoxyimino 1,5 diaza cyclooctane(4) has been prepared by two methods,the reactions of all steps are carried out under very moderate conditions and the overall yield is high.The structures of the new compounds 2,3,4 are characterized by elemental analysis,IR, 1H NMR and MS spectroscopy.
