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E-Journal of Chemistry
Volume 8 (2011), Issue 1, Pages 97-100

Synthesis of 3,7-Dinitro-1,3,5,7-tetraazabicyclo-[3,3,1]nonane (DPT) Using Task-Specific Ionic Liquids as Recoverable Catalysts

L. I. U. Xiao Bing and L. U. Ming

Chemical Engineering College , Nanjing University of Science and Technology, Nanjing 210094, China

Received 3 May 2010; Accepted 18 July 2010

Copyright © 2011 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A facile and efficient method for the synthesis of 3,7-dinitro-1,3,5,7-tetraazabicyclo[3,3,1]nonane (DPT) has been developed starting from urea. In the procedure some task-specific ionic liquids was synthesized as a cheap and recyclable catalyst for the synthesis of DPT. The catalysts could be recovered and reused several times without noticeably decrease in the catalytic activity.