Accession Number : ADD013888

Title :   Method for Preparing 2,5-Dipcryl-1,3,4-Oxadiazole.

Descriptive Note : Patent, Filed 23 Apr 87, patented 11 Oct 88,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Sitzmann, Michael E

Report Date : 11 Oct 1988

Pagination or Media Count : 4

Abstract : This invention relates to polynitro aromatic compounds and more particularly to thermally stable polynitro aromatic explosive compounds. A process for preparing 2,5-dipicry-1,3,4-oxadiazole by reacting N,N'bis(2,4,6-trinitrobenzoyl)hydrazine with phosphorus pentachloride in a chlorinated hydrocarbon which is 1,2-dichloroethane, 1,1,1-trichloroethane, 1,1,2-trichloroethane, 1,1,2-trichloroethylene, or a mixture thereof at a temperature of from 70C to the reflux temperature is disclosed. Patents; PAT-CL-548-145. (aw)

Descriptors :   *AROMATIC COMPOUNDS, *NITROGEN COMPOUNDS, *PATENTS, *AZOLES, *OXYGEN COMPOUNDS, *EXPLOSIVES, CHLORIDES, CHLORINATED HYDROCARBONS, PHOSPHORUS, POLYMERS

Subject Categories : Ammunition and Explosives

Distribution Statement : APPROVED FOR PUBLIC RELEASE