Novel di(aryl)methyl alkyl sulfones
AssigneePPG Industries, Inc.
InventorGeorge G. Ecke
Life of this patent
Estimating the term…
Abstract
Sulfones of Bis(4-chlorophenyl) or 2,4'-dichlorodiphenylmethyl and alkyls with one to four carbon atoms, e.g., bis(4-chlorophenyl)methyl methyl sulfone, which control the harmful effects of Piricularia fungus, particularly Piricularia oryzae, upon plants are disclosed. Also disclosed are the methods of controlling the harmful effects of these fungi with these sulfones, as well as other fungi, such as Uromyces and Venturia genera with bis(4-chlorophenyl)methyl methyl sulfone.
Claims7
A compound represented by the general formula ##STR5## wherein:
- Ar is 4-chlorophenyl,
- Ar' is an aryl selected from the group consisting of 4-chlorophenyl, and 2-chlorophenyl, and
- R is an alkyl of from one to four carbon atoms.
Bis(4-chlorophenyl)methyl methyl sulfone.
Bis(4-chlorophenyl)methyl n-butyl sulfone.
2,4'-dichlorodiphenylmethyl methyl sulfone.
2,4'-dichlorodiphenylmethyl n-butyl sulfone.
Dependencies are inferred from the claim text.