Method for making new polycyclic polyamides as precursors for en

Details Method for making new polycyclic polyamides as precursors for en Method for making new polycyclic polyamides as precursors for en

1992-12-08

2000-11-14

Lovering, Richard D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

149 92, 1491096, 540554, 564107, C06B 2534, C07D24300, C07D48708

Patent

active

061472093

ABSTRACT:
Hexabenzylhexaazaisowurtzitane is converted to tetracetyl, dibenzyl azaisowurtzitane. The benzyl groups are removed by catalytic transfer hydrogenolysis leaving a pair of available nitrogens. The available nitrogens are acetylated, and the resulting intermediate is converted to CL-20 with a strong nitrating agent.

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(Classified Document (Confidential)) Polynitropolyaza Caged Explosive Part 6, A.T. Nielsen et al. Aug. 1987, Naval Weapons Ctr., China Lake, CA.
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Polynitropolyaza Caged Explosives, Part 5, Mar. 1986, Naval Weapons Center, China Lake, CA.
Synthesis of 2,4,6,8,10,12-Hexabenzyl-2,4,6,8,10,12-Hexaazaisowurtzita, Arnold T. Nielsen, Chemistry Division, Research Dept., Naval Weapons Ctr., China Lake, CA.
Robert A. W. Johnstone and Anna H. Wiley, Chem. Rev. (1985) 85 129-170.

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