Process for the preparation of 5-aminotetrazole

Details Process for the preparation of 5-aminotetrazole Process for the preparation of 5-aminotetrazole

1994-10-28

1995-06-13

Springer, David B.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D25706

Patent

active

054244498

ABSTRACT:
The compound 5-aminotetrazole is prepared by a process which comprises (a) reacting a hydrazine salt of a mineral acid with cyanamide to form the corresponding aminoguanidine salt, (b) diazotizing the aminoguanidine salt to the corresponding guanylazide salt, and (c) cyclizing the guanylazide salt to 5-aminotetrazole.

REFERENCES:
J. Thiele, Ann. 270 2(1892), pp. 1-63.
A. Hantzsch and A. Vagt, Ann. 314 1(1901), pp. 339-368.
Stolle, Ber. 62B 7 (1929), pp. 1118-1125.
J. S. Mihina and R. M. Herbst, J. Org. Chem., 155 (1950), pp. 1028-1092.

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