Process for the preparation of 1,2,4-triazole

Details Process for the preparation of 1,2,4-triazole Process for the preparation of 1,2,4-triazole

1980-10-22

1981-08-11

Rollins, Alton D.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D24908

Patent

active

042835453

ABSTRACT:
1,2,4-triazole is obtained by cyclization of N,N'-diformylhydrazine with ammonia in the presence of formamide. The amount of ammonia required is either formed in situ from thermally decomposable ammonium salts, or supplied by feeding in gaseous ammonia. Simultaneously, the water of reaction is constantly distilled off from the system.

REFERENCES:
Ainsworth et al., A. J. Am. Chem. Soc., vol. 77, pp. 621-624, (1955).
Elderfield, Heterocyclic Compounds, vol. 7, (New York, 1961), pp. 433-435.

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