N-pyrazolyl-1,2,4-triazolo[1,5-c]pyrimidine-2-sulfonamide herbic

Details N-pyrazolyl-1,2,4-triazolo[1,5-c]pyrimidine-2-sulfonamide herbic N-pyrazolyl-1,2,4-triazolo[1,5-c]pyrimidine-2-sulfonamide herbic

1991-07-19

1993-04-13

Daus, Donald G.

Plant protecting and regulating compositions

Plant growth regulating compositions

Organic active compound containing

544263, 5483714, 5483725, 5483717, A01N 4354, C07D48704

Patent

active

052019381

ABSTRACT:
N-(3-, 4-, and 5-)-pyrazolyl-1,2,4-triazolo[1,5-c]pyrimidine-2-sulfonamide compounds, substituted on the pyrimidine ring with an alkoxy group and on the pyrazine ring, such as N-(4-bromo-1-methylpyrazol-3-yl)-7-chloro-5-methoxy-1,2,4-triazolo[1,5-c]p yrimidine-2-sulfonamide, were prepared from alkoxy substituted 1,2,4-triazolo[1,5-c]-pyrimidine-2-sulfonyl halides by condensation with substituted (3-, 4-, and 5-aminopyrazoles in the presence of a pyridine base and a catalytic amount of dimethyl sulfoxide. The compounds were found to possess general and, in some cases, selective pre- and postemergence herbicidal activity.

REFERENCES:
patent: 4921527 (1990-01-01), Tseng
patent: 4954163 (1990-09-01), Kleschick et al.
patent: 5010195 (1991-04-01), Van Heertum et al.
patent: 5013351 (1991-05-01), Jelich et al.

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