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US 4,382,948 AGranted
1,3,4-Trisubstituted-2-pyrazolin-5-one fungicides
AssigneeChevron Research Company
InventorVictor P. Kurkov
Life of this patent
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Abstract
Novel 1,3,4-trisubstituted-2-pyrazolin-5-ones of this invention are excellent fungicides, especially against rice blast.
Claims11
A compound of the formula ##STR6## wherein R is phenyl or phenyl substituted with 1 to 3 substituents independently selected from fluoro, chloro, bromo, iodo, nitro, and trifluoromethyl;
- R.sup.1 is lower alkyl;
- R.sup.2 is lower alkyl;
- and X and X.sup.1 are independently halogen.
Dependencies are inferred from the claim text.