Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate
1998-12-04
2001-10-02
Higel, Floyd D. (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C514S563000
Reexamination Certificate
active
06297401
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to the field of fungicidal compositions and methods, and more particularly to plant fungicides and methods involving the application of fungicidally effective amounts of such compounds to the locus of a plant pathogen. The present invention also provides novel compounds and methods useful in the preparation of fimgicides, and fungicidal compositions.
2. Description of the Prior Art
A variety of antifungal compositions and methods are well known in the art. Antimycin, for example, has been identified as a naturally occurring substance produced by Streptomyces spp which has efficacy as a fungicide. However, there has remained a need for new fungicides. The present invention provides fungicides which have a high residual activity, greater activity at lower application rates, curative activity, and a broader spectrum of efficacy.
SUMMARY OF THE INVENTION
Briefly describing one aspect of the present invention, there are provided fungicidal compounds comprising acylated aminosalicylamides of the Formula I:
wherein m, n, X, Y, Z and R
1
-R
6
are as hereafter defined. The invention also encompasses hydrates, salts and complexes thereof.
The present invention also provides fungicidal compositions comprising the acylated aminosalicylamides in combination with phytologically acceptable carriers and/or diluents. Methods for the use of the acylated aminosalicylamide compounds and compositions are also disclosed.
In another aspect, the present invention includes compounds and methods for preparation of the acylated aminosalicylamides. Encompassed are certain novel cyclic anmines and 3-nitrosalicylamides, including ones having fungicidal efficacy, as well as methods for the preparation thereof Also included are certain nitro intermediates and their method of preparation.
It is an object of the present invention to provide acylated aminosalicylamides and compositions thereof which are effective as antifungal agents.
Another object of the present invention is to provide methods for the control and/or prevention of fungus infestations, which methods include the application of acylated aminosalicylamides and compositions containing same.
The present invention also has an object the provision of certain cyclic amines, their method of preparation and use in producing acylated aminosalicylamides, and optionally the use of such amines as fungicides.
It is a further object of the present invention to provide certain 3-nitrosalicylamides useful as fimgicides and in the preparation of the fungicidal acylated aminosalicylamides.
Further objects and advantages of the present invention will be apparent from the description which follows.
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Benko Zoltan L.
Dent, III William H.
Durst Gregory L.
Fitzpatrick Gina M.
Johnson David D.
Corvin Carl D.
Dow AgroSciences LLC
Henry Thomas Q.
Higel Floyd D.
Sackey Ebenezer
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