Process for the preparation of alkali metal salts of 3,3-dimethy

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof

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260239BF, 26029385, 2603265S, 260567, 544161, 544182, 562459, 562463, C07C 5104, C07C 5106

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041137671

ABSTRACT:
6-Tert.-butyl-3-mercapto-4-amino-1,2,4-triazin-5(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:
J.A.C.S., 78, (1956), pp. 4135-4139.
Int. J. Sulfur Chem., A, vol. 2, No. 2, pp. 89-92, (1972).

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