1-alkyl-4-benzoyl-5-hydroxypyrazole compounds and their use as h

Details 1-alkyl-4-benzoyl-5-hydroxypyrazole compounds and their use as h 1-alkyl-4-benzoyl-5-hydroxypyrazole compounds and their use as h

1998-05-18

2000-01-04

Richter, Johann

Plant protecting and regulating compositions

Plant growth regulating compositions

Organic active compound containing

504282, 514407, 5483694, A01N 4356, C07D23108

Patent

active

060109815

ABSTRACT:
1-Alkyl-4-benzoyl-5-hydroxypyrazole compounds in which the benzoyl moiety is substituted in the 2-position with a halo, alkyl, or alkoxy group, in the 4-position with an alkylsulfonyl group, and in the 3-position with an optionally substituted phenyl group, for example, 1-(1,1-dimethylethyl)-4-(2-methyl-4-methylsulfonyl-3-(4-methoxyphenyl)benz oyl-5-hydroxypyrazole, were prepared and found to be useful for the control of a variety of broadleaf and grassy weeds. The compounds can be applied either preemergently or postemergently and can be used to control undesirable vegetation selectively in small grain crops and turf or non-selectively.

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