Method for preparing 2,5-dipcryl-1,3,4-oxadiazole

Details Method for preparing 2,5-dipcryl-1,3,4-oxadiazole Method for preparing 2,5-dipcryl-1,3,4-oxadiazole

1987-04-23

1988-10-11

Gerstl, Robert

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D27110

Patent

active

047772581

ABSTRACT:
A process for preparing 2,5-dipicryl-1,3,4-oxadiazole by reacting N,N'-bi,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 70.degree. C. to the reflux temperature.

REFERENCES:
Dacons, J. Het. Chem., 14, 1151 (1977).

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