Preparation of 4-amino-1,2,4-triazol-5-ones

Details Preparation of 4-amino-1,2,4-triazol-5-ones Preparation of 4-amino-1,2,4-triazol-5-ones

1990-06-06

1991-07-23

Lee, Mary C.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D24912

Patent

active

050345389

ABSTRACT:
A process for the preparation of 4-amino-1,2,4-triazol-5-one of the formula ##STR1## in which p0 R represents unsubstituted or substituted alkyl, alkenyl, cycloalkenyl, cycloalkyl, aralkyl, aryl or heterocyclyl,
which comprises reacting a carbodihydrazide of the formula ##STR2## with a nitrile of the formula

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