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

1998-03-24

1998-10-20

Ramsuer, Robert W.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

504225, 504282, 540603, 546211, 5462761, 5483641, 5483651, 5483694, C07D23120, C07D41310, A01N 4356, A01N 4384

Patent

active

058248021

ABSTRACT:
1-Alkyl-4-benzoyl-5-hydroxy-1H-pyrazole compounds in which the benzoyl moiety is substituted in the 2-position with groups such as halo or alkyl, in the 4-position with an alkylsulfonyl group, and in the 3-position with an acyclic or cyclic derivatized amino group, such as 1-ethyl-4-(2-chloro-4-methylsulfonyl-3-(morpholin-4-yl)benzoyl-5-hydroxy-1 H-pyrazole, 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 in corn, rice, and wheat crops.

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