Herbicidal imidazolo(1,2-a)pyrimidine-2-sulfonanilides

Details Herbicidal imidazolo(1,2-a)pyrimidine-2-sulfonanilides Herbicidal imidazolo(1,2-a)pyrimidine-2-sulfonanilides

1987-10-30

1989-01-24

Daus, Donald G.

Chemistry: fertilizers

Processes and products

Forms or conditioning

544281, 548337, A01N 4390, A01N 4354, C07D48704

Patent

active

047999527

ABSTRACT:
Novel substituted imidazolo[1,2-a[pyrimidine-2-sulfonanilides are prepared are prepared from novel substituted imidazolo[1,2-a]pyrimidine-2-sulfonic acids by conversion to the corresponding sulfonyl halides and condensation with substituted anilines and by other methods. N-(2,6-difluorophenyl)-3-chloro-4,6-dimethylimidazolo[1,2-a]pyrimidine-2-s ulfonamide is typical of the compounds prepared. The compounds are useful general and selective pre- and post-emergence herbicides.

REFERENCES:
patent: 4349378 (1982-09-01), Cliff et al.
patent: 4605433 (1986-08-01), Pearson et al.
patent: 4755212 (1988-07-01), Kleschick et al.
Hunt, Chemical Abstracts, vol. 108, No. 112483 g (1988).
Ekeley et al., J. Org. Chem. 52, pp. 2026-2028 (1930).
Fajgelj et al., Heterocycles 24, pp. 379-386 (1986).
Broadbent et al., J. Chem. Soc., pp. 3369-3372 (1965).

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