Process for the preparation of 3-mercapto-5-amino-(1H)-1,2,4-tri

Details Process for the preparation of 3-mercapto-5-amino-(1H)-1,2,4-tri Process for the preparation of 3-mercapto-5-amino-(1H)-1,2,4-tri

1987-11-23

1991-11-26

Robinson, Allen J.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D24914

Patent

active

050683470

ABSTRACT:
3-Mercapto-5-amino-(1H)-1,2,4-triazole is prepared by the rearrangement of 2,5-diamino-1,3,4-thiadiazole. The rearrangement proceeds in high yields under aqueous alkaline conditions.

REFERENCES:
patent: 4259502 (1981-03-01), Kruger
Y. Rao, Indian J. Chem.; 6 287-293 (1968) "Isomeric Changes Involving Amidino & Thioamidino Systems".
A. Sitte et al., Monatsch, 106, 1291-1292 (1975) "Umwandlung von 1,3,4 Thiadiazolinenin 1,2,4 Triazole".

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