Process for the preparation of herbicidal sulfonamides

Details Process for the preparation of herbicidal sulfonamides Process for the preparation of herbicidal sulfonamides

1985-12-23

1987-03-17

Jiles, Henry R.

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

Organic compounds

Thioimidate esters

544263, 544251, 548267, C07D48700, C07D23900, C07D24914, C07C15714

Patent

active

046508929

ABSTRACT:
Sulfonamides derived from substituted 2-amino-1,2,4-triazolo[1,5-a]pyrimidines are prepared by reacting a desired sulfonamide with dimethyl N-cyanodithioiminocarbonate in the presence of a base followed by reaction with an excess of hydrazine and then a 1,3-dicarbonyl compound.
The resulting products have a variety of herbicidal uses.

REFERENCES:
patent: 4328247 (1982-05-01), Drabek et al.

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