Claims
- 1. A compound represented by the formula (I) or its salts: ##STR41## wherein X and Y are independently hydrogen, halogen, cyano, nitro, or (C.sub.1-6)haloalkyl;
- Z is oxygen or sulfur; ##STR42## R.sub.1 is halogen; R.sub.2 and R.sub.3 are independently hydrogen, (C.sub.1-6)alkyl, or (C.sub.1-6)haloalkyl;
- A.sub.1 is oxygen or sulfur;
- Ar is a substituted or unsubstituted heteroaryl ring.
- 2. The compound or its salt according to claim 1, wherein
- X and Y are independently hydrogen or halogen, and
- Z is oxygen or sulfur, and
- Ar is pyridyl, pyrimidyl, pyridazinyl, triazolyl, thiazolyl or isothiazotlyl, or pyridyl, pyrimidyl, triazolyl or, isothiazolyl substituted with up to five substituents independently selected from halogen, (C.sub.1-6)alkyl, halo(C.sub.1-6)alkyl, (C.sub.1-6)alkoxy, (C.sub.1-6)alkylthio, halo(C.sub.1-6)alkoxy, (C.sub.1-6)alkylsulfonyl, (C.sub.1-6)alkylsulfinyl, di(C.sub.1-6)alkylaminocarbonyl, cyano, nitro, amino, hydroxy, (C.sub.1-6)alkylsulfonylamino, (C.sub.1-6)alkoxycarbonyl(C.sub.1-6)alkoxy, (C.sub.1-6)alkxylcarbonylamino, bisbenzoylamino, aminoacetyl aminotrifluoroacetyl, or amino(C.sub.1-6)alkylsulfonate.
- 3. The compound or its salt according to claim 1, wherein
- X is fluorine, and
- Y is chlorine, and
- Z is oxygen or sulfur, and
- Ar is 2-pyridyl, 3-pyridyl, 4-pyridyl , 3-bromo-2-pyridyl, 5-bromo-2-pyridyl, 6-bromo-2-pyridyl, 3chloro-2-pyridyl, 5-chloro-2-pyridyl, 6-chloro-2-pyridyl, 3-fluoro-2-pyridyl, 5-fluoro-2-pyridyl, 6-fluoro-2-pyridyl, 3-cyano-2-pyridyl, 5-cyano-2-pyridyl, 6cyano-2-pyridyl, 3-nitro-2-pyridyl, 5-nitro-2-pyridyl, 6-nitro-2-pyridyl, 3-trifluoromethy-2-pyridyl, 4-trifluoromethyl-2-pyridyl, 5-trifluoromethyl-2-pyridyl, 6-trifluoromethyl-2-pyridyl, 5-amino-2-pyridyl, 3-dimethylaminocarbonyl-2-pyridyl, 3-methylsulfonyl-2-pyridyl, 3-isopropylsulfonyl-2-pyridyl, 6chloro-3-trifluoromethyl-2-pyridyl, 3,5,6-trifluoropyridyl, 2-pyrimidyl, 4-pyrimidyl, 5-bromo-2-pyrimidyl, 4-chloro-2-pyrimidyl, 4-trifluoromethyl-2-pyrimidyl, 4,6-dimethoxy-2-pyrimidyl, 2,6-dimethoxy-4-pyrimidyl, 4,6-dimethoxy-2-triazinyl, 3-methyl4-nitro-5-isothiazolyl, or 5-nitro-2-thiazolyl.
- 4. A herbicidal composition which comprises an effective amount of a compound of claim 1 and an agricultural adjuvant.
- 5. A method for controlling weeds, which comprises applying to the locus to be protected a herbicidally effective amount of a compound of claim 1.
- 6. A method for controlling weeds in a corn field which comprises applying a herbicidally effective amount of a compound of claim 1 to the corn field.
- 7. A method for controlling weeds in a soybean field which comprises applying a herbicidally effective amount of a compound of claim 1 to the soybean field.
- 8. A method for controlling weeds, which comprises applying to the locus to be protected a herbicidally effective amount of a compound of claim 1 in combination with another herbicide for providing an additive or synergistic herbicidal effect.
- 9. A method for controlling weeds of claim 5 wherein the compound of claim 1 is applied to soil as a preemergent herbicide.
- 10. A method for controlling weeds of claim 5 wherein the compound of claim 1 is applied to plant foliage.
- 11. A method for controlling weeds of claim 8 wherein the another herbicide is an acetanilide or sulfonylurea.
- 12. A method to desiccate a plant of which comprises applying to the plant a compound of claim 1.
- 13. A method to desiccate a plant of claim 12 wherein the plant to which the compound is applied is a potato plant or a cotton plant.
Parent Case Info
This is a continuation-in-part of application Ser. No. 09/151,306 filed Sep. 11, 1998.
US Referenced Citations (13)
Foreign Referenced Citations (13)
Number |
Date |
Country |
0 197 495 B1 |
Oct 1986 |
EPX |
0 885 885 A1 |
Dec 1998 |
EPX |
57-197268 |
Dec 1982 |
JPX |
4-225937 |
Aug 1992 |
JPX |
5-25173 |
Feb 1993 |
JPX |
5-202031 |
Aug 1993 |
JPX |
6-256312 |
Sep 1994 |
JPX |
WO 960252 3A1 |
Feb 1996 |
WOX |
WO 9608151 |
Mar 1996 |
WOX |
WO 9607323 |
Mar 1996 |
WOX |
WO 9728127 |
Aug 1997 |
WOX |
WO 9814452 |
Apr 1998 |
WOX |
WO 9841093 |
Sep 1998 |
WOX |
Non-Patent Literature Citations (5)
Entry |
Wenger et al. CA109:73464 (1988). |
Kawamura et al. CA 119:180805 (1993). |
Watanabe et al. CA 120:191720 (1994). |
Moustafa et al. CA 100:61313 (1984). |
Scifinder, Sep. 1998, p. 20, Hirai et al. |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
151306 |
Sep 1998 |
|