Process for the preparation of 6-tert.-butyl-3-mercapto-4-amino-

Details Process for the preparation of 6-tert.-butyl-3-mercapto-4-amino- Process for the preparation of 6-tert.-butyl-3-mercapto-4-amino-

1978-05-08

1979-04-24

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C07D25306

Patent

active

041513550

ABSTRACT:
6-Tert.-butyl-3-mercapto-4-amino-1,2,4-triazin-(4H)-one is prepared by reacting pinacolone with a sulfur chloride at 0.degree. to 80.degree. C., optionally reacting the mixture with an aqueous amine solution, hydrolyzing the resulting product with an alkali metal hydroxide, heating the resulting mixture from 2 to 10 hours at 80.degree. to 150.degree. C., liberating a 3,3-dimethyl-2-oxo-butyric acid by acidifying with a mineral acid and reacting an aqueous solution of said 3,3-dimethyl-2-oxo-butyric acid with thiocarbohydrazide to yield the desired product.

REFERENCES:
patent: 4058526 (1977-11-01), Merz et al.
patent: 4113767 (1978-09-01), Merz

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