Environmentally Friendly Alternative Synthesis and Process to Manufacture Cost-Effective Hexanitrohexaazaisowurtzitane (CL-20)
Navy SBIR FY2014.1


Sol No.: Navy SBIR FY2014.1
Topic No.: N141-017
Topic Title: Environmentally Friendly Alternative Synthesis and Process to Manufacture Cost-Effective Hexanitrohexaazaisowurtzitane (CL-20)
Proposal No.: N141-017-0323
Firm: NALAS Engineering Services Inc.
85 Westbrook Road
Centerbrook, Connecticut 06409
Contact: David Ford
Phone: (860) 581-8477
Web Site: www.nalasengineering.com
Abstract: The treatment of glyoxal with benzyl amine or allyl amine towards the formation of the corresponding tetraazaisowurtzitane cage structure has established a cornerstone in the preparation of caged nitramines and has led to significant research aimed at converting these precursors into compounds of interest such as CL-20. Although a route based on benzyl amine was briefly employed in small commercial settings, severe problems have since forbid the use of this chemistry on large scale. An alternative route to CL-20 employing allyl amine as the ammonia surrogate has been developed and demonstrated by researchers at China Lake. Although these efforts have led to the validation of the chemistry at a lab scale, this sequence of reactions has shown potential to become commercially viable if given a thorough development and evaluation effort, which is the main focus of the proposed work.
Benefits: The effort proposed herein builds on the strong work performed at China Lake and offers a detailed assessment of the allyl amine chemistry to CL-20, providing the initial optimization and development required to enable this chemistry into a commercial setting.

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