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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 32, Number 8
BKCSDE 32(8)
August 20, 2011

Title	Preparation of HMX by Catalytic Nitrolysis of DPT in AIL-N₂O₅-HNO₃ System
Author	Zhi-yong He, Jun Luo, Chun-xu Lü, Ping Wang, Rong Xu,, Jin-shan Li
Keywords	DPT, HMX, Nitrolysis, N₂O₅, Acidic ionic liquid
Abstract	Direct nitrolysis of 3,7-dinitro-1,3,5,7-tetraazabicyclo[3,3,1]nonane (DPT) is a feasible way to synthesize HMX, and it has multiple practical applications. In this paper, a new nitrolysis process involving the use of an N2O5-HNO3 system catalyzed by acidic ionic liquids (AILs) was developed. The results show that [Et3NH]TsO was the best catalyst among the 28 AILs used and that HMX was formed at a higher yield of 61%, compared to 45% without any AIL. Moreover, with the addition of N2O5, the yield was further increased to a maximum value of 69%. The AILs were also efficiently recovered by simple extractions without any apparent loss of catalytic activity, even after five runs.
Page	2677 - 2682
Full Text	PDF

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