An experimental study was carried out on the direct nitration of 1,4,5,8-tetraaza-bicyclo-[4,4,0]-decane to synthesize 1,4,5,8-tetranitro-l,4,5,8-tetraazabicyclo-[4,4,0]-decane （TNAD） with N205 catalyzed by acidic i...An experimental study was carried out on the direct nitration of 1,4,5,8-tetraaza-bicyclo-[4,4,0]-decane to synthesize 1,4,5,8-tetranitro-l,4,5,8-tetraazabicyclo-[4,4,0]-decane （TNAD） with N205 catalyzed by acidic ionic liquids. Various ionic liquids, such as [HMim]X, [（CH2）4SO3HMim]X and [Capl]X （X =pTSO-, NO3 , HS04-）, and various parameters such as equivalents of ionic liquid, molar ratio of N205 tO the starting material, reaction time and temperature, and solvent were investigated, Ionic liquid [（CH2）4SO3HMim]HS04 showed better catalytic activity. In the presence of 3% molar ratio of [（CH2）4SO3HMim]HS04 ionic liquid to the staring material, the yield of 1,4,5,8-tetranitro-l,4,5,8- tetraazabicvclo-14.4.01-decane was improved bv 6.2~; comnared to the system without ionic liauid.展开更多
基金financial support from the Nature Science Foundation of Jiangsu Province (No. BK2011697)
文摘An experimental study was carried out on the direct nitration of 1,4,5,8-tetraaza-bicyclo-[4,4,0]-decane to synthesize 1,4,5,8-tetranitro-l,4,5,8-tetraazabicyclo-[4,4,0]-decane （TNAD） with N205 catalyzed by acidic ionic liquids. Various ionic liquids, such as [HMim]X, [（CH2）4SO3HMim]X and [Capl]X （X =pTSO-, NO3 , HS04-）, and various parameters such as equivalents of ionic liquid, molar ratio of N205 tO the starting material, reaction time and temperature, and solvent were investigated, Ionic liquid [（CH2）4SO3HMim]HS04 showed better catalytic activity. In the presence of 3% molar ratio of [（CH2）4SO3HMim]HS04 ionic liquid to the staring material, the yield of 1,4,5,8-tetranitro-l,4,5,8- tetraazabicvclo-14.4.01-decane was improved bv 6.2~; comnared to the system without ionic liauid.
