N-heteroartyl-n'-(pyrid-2yl-sulfonyl) ureas, processes for their

Details N-heteroartyl-n'-(pyrid-2yl-sulfonyl) ureas, processes for their N-heteroartyl-n'-(pyrid-2yl-sulfonyl) ureas, processes for their

1998-03-16

1998-12-08

Kight, John

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546312, C07D 2889, C07D21371, C07D21375

Patent

active

058471464

ABSTRACT:
N-Heteroaryl-N'-(pyrid-2-yl-sulfonyl)ureas, processes for their preparation, and their use as herbicides and plant growth regulators
Compounds of the formula (I) ##STR1## in which R.sup.1 -R.sup.4, A, n, m and w are as defined in claim 1, are suitable as herbicides for controlling harmful plants and can be prepared, inter alia, from the sulfonamides of the formula (II) ##STR2## by reacting them with carbamates R*O--CO--NR.sup.4 --A.

REFERENCES:
patent: 4421550 (1983-12-01), Selby et al.
patent: 4487626 (1984-12-01), Zimmermann
patent: 4579583 (1986-04-01), Fory et al.
patent: 5125956 (1992-06-01), Korte
patent: 5221316 (1993-06-01), Anthony
patent: 5296453 (1994-03-01), Le-Si
patent: 5371060 (1994-12-01), Glock
Chemical Abstracts 108:21919v, Kimura, abstract of EP 232067, Aug. 1987.

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