3-[5-(1-(Nitrophenoxy)alkyl, alkynyl, alkenyl, or haloalkyl)-1,3,4-thiadiazol-2-yl]-4-hydroxy-1-methyl-2-imidazolidinones
AssigneePPG Industries, Inc.
InventorJerome M. Lavanish
Life of this patent
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Abstract
The disclosed compounds such as 3-[5-(1-(2-nitrophenoxy)ethyl)-1,3,4-thiadiazol-2-yl]-4-hydroxy-1-methyl-2 -imidazolidinone are useful for preemergence control of weeds such as jimsonweed.
Claims36
A compound graphically represented by Formula I:
- ##STR5## wherein:
- R is an alkyl of up to four carbon atoms,
- an alkenyl of up to three carbon atoms,
- an alkynyl of up to three carbon atoms, or
- a haloalkyl selected from the group consisting of chloromethyl, bromomethyl, 2-chloroethyl and 2-bromoethyl.
3-[5-[1-(2-nitrophenoxy)propyl]-1,3,4-t hiadiazol-2-yl]-4-hydroxy-1-methyl-2-imidazolidinone.
3-[5-[1-(2-nitrophenoxy)ethyl]-1,3,4-thiadiazol-2- yl]-4-hydroxy-1-methyl-2-imidazolidinone.
3-[5-[1-(3-nitrophenoxy)propyl]-1,3,4 -thiadiazol-2-yl]-4-hydroxy-1-methyl-2-imidazolidinone.
3-[5-[1-(3-nitrophenoxy)ethyl]-1,3,4-thiadiazol-2-y l]-4-hydroxy-1-methyl-2-imidazolidinone.
3-[5-[1-(4-nitrophenoxy)propyl]-1,3, 4-thiadiazol-2-yl]-4-hydroxy-1-methyl-2-imidazolidinone.
3-[5-[1-(4-nitrophenoxy)ethyl]-1,3,4-thiadiazol-2-yl ]-4-hydroxy-1-methyl-2-imidazolidinone.
A method of controlling weeds, which comprises contacting the weeds with a herbicidally effective amount of a compound graphically represented by Formula I:
- ##STR6## wherein:
- R is an alkyl of up to four carbon atoms, an alkynyl of up to three carbon atoms, an alkenyl of up to three carbon atoms, or a haloalkyl selected from the group consisting of chloromethyl, bromomethyl, 2-chloroethyl and 2-bromoethyl.
Dependencies are inferred from the claim text.