Herbicidal alkoxy-1,2,4-triazolo[1,5-c]pyrimidine-2-sulfonamides

Details Herbicidal alkoxy-1,2,4-triazolo[1,5-c]pyrimidine-2-sulfonamides Herbicidal alkoxy-1,2,4-triazolo[1,5-c]pyrimidine-2-sulfonamides

1991-08-13

1992-11-17

Daus, Donald G.

Chemistry: fertilizers

Processes and products

Forms or conditioning

544263, 544315, 544318, 544319, A01N 4390, C07D47102

Patent

active

051639955

ABSTRACT:
5-Alkoxy-1,2,4-triazolo[1,5-c]pyrimidine-2-sulfonamides are prepared from 5-alkoxy-1,2,4-triazolo[1,5-c]pyrimidine-2-sulfonyl halides by condensation with ortho-substituted N-trialkylsilylanilines and by other methods. N-(2,6-dichloro-3-methylphenyl)-8-fluoro-5-methoxy-1,2,4-triazolo[1,5-c]py rimidine-2-sulfonamide is typical. The compounds are general and selective pre- and postemergence herbicides.

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