USH1923H - Herbicidal (oxaalkyl) phenyl-substituted heterocycles - Google Patents
Herbicidal (oxaalkyl) phenyl-substituted heterocycles Download PDFInfo
- Publication number
- USH1923H USH1923H US09/113,867 US11386798A USH1923H US H1923 H USH1923 H US H1923H US 11386798 A US11386798 A US 11386798A US H1923 H USH1923 H US H1923H
- Authority
- US
- United States
- Prior art keywords
- sub
- compound
- hydrogen
- methyl
- chloro
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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- 230000002363 herbicidal effect Effects 0.000 title claims description 32
- 125000000623 heterocyclic group Chemical class 0.000 title abstract description 12
- 150000001875 compounds Chemical class 0.000 claims abstract description 57
- -1 1-substituted-6-trifluoromethyl-2,4(1H,3H)-pyrimidinedion-3-yl Chemical group 0.000 claims abstract description 34
- 239000001257 hydrogen Substances 0.000 claims abstract description 31
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 31
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- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 8
- 125000004457 alkyl amino carbonyl group Chemical group 0.000 claims abstract description 7
- 125000001309 chloro group Chemical group Cl* 0.000 claims abstract description 6
- 125000001153 fluoro group Chemical group F* 0.000 claims abstract description 5
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- 125000000217 alkyl group Chemical group 0.000 claims description 16
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- 238000000034 method Methods 0.000 claims description 11
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 7
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 6
- 125000005078 alkoxycarbonylalkyl group Chemical group 0.000 claims description 4
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- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 1
- 240000006555 Chamaerops humilis Species 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910021592 Copper(II) chloride Inorganic materials 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 241000219146 Gossypium Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 240000007049 Juglans regia Species 0.000 description 1
- 235000009496 Juglans regia Nutrition 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000005574 MCPA Substances 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 101150108015 STR6 gene Proteins 0.000 description 1
- 229940100389 Sulfonylurea Drugs 0.000 description 1
- 244000098338 Triticum aestivum Species 0.000 description 1
- 235000007244 Zea mays Nutrition 0.000 description 1
- 241000482268 Zea mays subsp. mays Species 0.000 description 1
- DJBSSLCLDFIYIG-UHFFFAOYSA-N [2-chloro-3-[2-chloro-5-[4-(difluoromethyl)-3-methyl-5-oxo-1,2,4-triazol-1-yl]-4-fluorophenyl]propyl] n-methylcarbamate Chemical compound C1=C(Cl)C(CC(Cl)COC(=O)NC)=CC(N2C(N(C(F)F)C(C)=N2)=O)=C1F DJBSSLCLDFIYIG-UHFFFAOYSA-N 0.000 description 1
- JQBSFSYADPTRBW-UHFFFAOYSA-N [3-chloro-4-[2-chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)pyrimidin-1-yl]phenyl]-2-methylbutan-2-yl] acetate Chemical compound C1=C(Cl)C(CC(Cl)C(C)(C)OC(=O)C)=CC(N2C(N(C)C(=CC2=O)C(F)(F)F)=O)=C1F JQBSFSYADPTRBW-UHFFFAOYSA-N 0.000 description 1
- ISKQADXMHQSTHK-UHFFFAOYSA-N [4-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=C(CN)C=C1 ISKQADXMHQSTHK-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229920003232 aliphatic polyester Polymers 0.000 description 1
- 125000002877 alkyl aryl group Chemical group 0.000 description 1
- 150000008055 alkyl aryl sulfonates Chemical class 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 239000010775 animal oil Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 235000013877 carbamide Nutrition 0.000 description 1
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 229940125904 compound 1 Drugs 0.000 description 1
- 239000002285 corn oil Substances 0.000 description 1
- 235000005687 corn oil Nutrition 0.000 description 1
- 235000012343 cottonseed oil Nutrition 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000035613 defoliation Effects 0.000 description 1
- 238000006193 diazotization reaction Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical class C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- BGZZWXTVIYUUEY-UHFFFAOYSA-N fomesafen Chemical compound C1=C([N+]([O-])=O)C(C(=O)NS(=O)(=O)C)=CC(OC=2C(=CC(=CC=2)C(F)(F)F)Cl)=C1 BGZZWXTVIYUUEY-UHFFFAOYSA-N 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 208000037824 growth disorder Diseases 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910003480 inorganic solid Inorganic materials 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical class CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- HAMGRBXTJNITHG-UHFFFAOYSA-N methyl isocyanate Chemical compound CN=C=O HAMGRBXTJNITHG-UHFFFAOYSA-N 0.000 description 1
- 230000009526 moderate injury Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002790 naphthalenes Chemical class 0.000 description 1
- 239000005645 nematicide Substances 0.000 description 1
- AICOOMRHRUFYCM-ZRRPKQBOSA-N oxazine, 1 Chemical compound C([C@@H]1[C@H](C(C[C@]2(C)[C@@H]([C@H](C)N(C)C)[C@H](O)C[C@]21C)=O)CC1=CC2)C[C@H]1[C@@]1(C)[C@H]2N=C(C(C)C)OC1 AICOOMRHRUFYCM-ZRRPKQBOSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000005648 plant growth regulator Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229920005552 sodium lignosulfonate Polymers 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- IOGXOCVLYRDXLW-UHFFFAOYSA-N tert-butyl nitrite Chemical compound CC(C)(C)ON=O IOGXOCVLYRDXLW-UHFFFAOYSA-N 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- 235000020234 walnut Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
- C07D239/52—Two oxygen atoms
- C07D239/54—Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/12—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, neither directly attached to a ring nor the nitrogen atom being a member of a heterocyclic ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
- C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
- C07D249/08—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
- C07D249/10—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D249/12—Oxygen or sulfur atoms
Definitions
- This invention relates generally to novel herbicidal compounds and methods for their use in controlling unwanted plant species in agriculture.
- it pertains to herbicidal (oxaalkyl)phenyl-substituted heterocycles, and more particularly it pertains to herbicidal (oxaalkyl)phenyl-substituted heterocycles where the oxaalkyl moiety of the (oxaalkyl)phenyl is substituted and the heterocycle is a 1-substituted-6-trifluoromethyl-2,4(1H,3H)-pyrimidinedion-3-yl, a 4-difluoromethyl-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-on-1-yl, a 4-halo-5-difluoromethoxy-1-methylpyrazol-3-yl, a 3,4,5,6-tetrahydrophthalimid-1-yl, a 1,4-dihydro-4-(3-
- Herbicides are useful for controlling unwanted vegetation which may otherwise cause significant damage to crops such as wheat, corn, soybeans and cotton, to name a few.
- crops such as wheat, corn, soybeans and cotton
- selective herbicides are desired which can control the weeds without damaging the crop.
- crops are said to exhibit tolerance to the herbicide.
- it is desirable to use herbicides that provide complete vegetation control such as in areas around railroad tracks and other structures. While many commercial products are available that provide selective or complete vegetation control, the demand exists for new, safe herbicides that are more effective and less costly.
- German Offenlegungsschrift DE 4237920A1 (Ciba-Geigy AG) describes herbicidally active compounds of the following formula: ##STR2## among which are compounds where W is N(R 1 )C ⁇ O; R 1 is C 1 -C 4 -alkyl, C 1 -C 4 -haloalkyl, C 1 -C 4 -alkenyl, or C 1 -C 4 -alkynyl; R 2 is halogen or cyano; R 3 is hydrogen or halogen; R 4 is hydrogen or C 1 -C 4 -alkyl; R 5 is C 1 -C 4 -alkyl or C 1 -C 4 -haloalkyl; and Q is CR 6 R 7 R 8 where R 6 and R 7 are hydrogen or alkyl; and R 8 is X 1 R 9 where X 1 is oxygen; R 9 is hydrogen or C( ⁇ X 2 )R 10 where X 2 is oxygen; and R 10 is C 1 -C 5 -
- British Patent GB 2,289,893 (BASF Akt.) describes herbicidally active compounds of the following formula: ##STR3## among which are compounds where R 1 is halogen or cyano; R 2 is hydrogen or halogen; R 3 , R 4 are hydrogen, halogen, or alkyl; R 5 , R 6 are hydrogen or alkyl; and R 7 is hydrogen, alkylcarbonyl, alkoxycarbonyl, alkylaminocarbonyl, or cycloalkylaminocarbonyl.
- R 2 is hydrogen, or alkyl
- R 3 is hydrogen, straight or branched chain alkyl carbonyl, alkoxycarbonyl, alkylaminocarbonyl, or cycloalkylaminocarbonyl;
- X is hydrogen or halogen
- Y is halogen, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, or nitro;
- R 4 is hydrogen, amino, straight or branched chain alkyl, haloalkyl, cyanoalkyl, alkoxyalkyl, arylalkyl, alkoxycarbonylalkyl, arylalkyl, alkoxycarbonylalkyl, alkenyl, alkynyl, or a salt-forming ion; and
- R 5 is halogen
- One aspect of this invention relates to compounds of formula I where Q is 1-substituted-6-trifluoromethyl-2,4(1H,3H)-pyrimidinedion-3-yl and R, R 1 , R 2 , R 3 , X, Y, and R 4 are as described above.
- Another aspect of this invention relates to compounds of formula I where Q is 4-difluoromethyl-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-on-1-yl and R, R 1 , R 2 , R 3 , X, and Y are as described above.
- Another aspect of this invention relates to compounds of formula I where Q is 4-halo-5-difluoromethoxy-1-methylpyrazol-3-yl and R, R 1 , R 2 , R 3 , X, Y, and R 5 are as described above.
- Another aspect of this invention relates to compounds of formula I where Q is 3,4,5,6-tetrahydrophthalimid-1-yl and R, R 1 , R 2 , R 3 , X, and Y are as described above.
- Another aspect of this invention relates to compounds of formula I where Q is 1,4-dihydro-4-(3-fluoropropyl)-5H-tetrazole-5-on-1-yl and R, R 1 , R 2 , R 3 , X, and Y are as described above.
- Another aspect of this invention relates to compounds of formula I where Q is 3-chloro-4,5,6,7-tetrahydroindazol-2-yl and R, R 1 , R 2 , R 3 , X, and Y are as described above.
- Another aspect of this invention relates to compounds of formula I where Q is 5,6,7,8-tetrahydro-1,2,4-triazolo[4,3-A]pyridin-3(2H)-on-2-yl and R, R 1 , R 2 , R 3 , X, and Y are as described above.
- Another aspect of this invention relates to compounds of formula I where Q is 5,6,7,8-tetrahydro-1H,3H-[1,3,4]thiadiazolo[3,4-a]pyridazineimin-1-yl and R, R 1 , R 2 , R 3 , X, and Y are as described above.
- Another aspect of this invention relates to compounds of formula I where Q is 4-methyl-1,2,4-triazine-3,5-dion-2-yl and R, R 1 , R 2 , R 3 , X, and Y are as described above.
- Y and R are chloro; R 1 and R 2 are hydrogen or methyl; R 3 is hydrogen or alkylaminocarbonyl; and X is fluoro.
- alkyl As used in this specification and unless otherwise indicated the terms “alkyl”, “alkenyl”, “alkynyl”, used alone or as part of a larger moiety includes 1 to 6 carbon atoms, and the term “cycloalkyl” includes 3 to 8 carbon atoms.
- Halogen refers to fluorine, bromine, or chlorine.
- Salt-forming ion refers to sodium, potassium, lithium, barium or calcium.
- Scheme 1 above illustrates a general procedure for preparing compounds of formula I where R is chloro, and R 1 and R 2 are hydrogen or alkyl.
- the starting aniline 1 may be prepared according to known methods, such as those taught in U.S. Pat. Nos. 5,041,155, 4,954,159, or 4,932,996. Diazotization of 1 and reaction with an appropriate alkenyl alcohol as shown in step (a) affords the alcohol 2.
- Alcohol 2 may be acylated with an appropriate anhydride according to step (b) to provide 2a or converted with an isocyanate according to step (c) to provide carbamate 2b.
- the (oxaalkyl)phenyl-substituted heterocycles of this invention were tested for pre- and postemergence herbicidal activity using a variety of crops and weeds.
- the test plants included soybean (Glycine max var. Winchester), field corn (Zea mays var. Pioneer 3732), wheat (Triticum aestivum var.
- two disposable fiber flats (8 cm ⁇ 15 cm ⁇ 25 cm) for each rate of application of each candidate herbicide were filled to an approximate depth of 6.5 cm with steam-sterilized sandy loam soil.
- the soil was leveled and impressed with a template to provide five evenly spaced furrows 13 cm long and 0.5 cm deep in each flat. Seeds of soybean, wheat, corn, green foxtail, and johnsongrass were planted in the furrows of the first flat, and seeds of velvetleaf, morningglory, common chickweed, cocklebur, and blackgrass were planted in the furrows of the second flat.
- the five-row template was employed to firmly press the seeds into place.
- a topping soil of equal portions of sand and sandy loam soil was placed uniformly on top of each flat to a depth of approximately 0.5 cm.
- Flats for postemergence testing were prepared in the same manner except that they were planted 9-14 days prior to the preemergence flats and were placed in a greenhouse and watered, thus allowing the seeds to germinate and the foliage to develop.
- a stock solution of the candidate herbicide was prepared by dissolving 0.27 g of the compound in 20 mL of water/acetone (50/50) containing 0.5% v/v sorbitan monolaurate. For an application rate of 3000 g/ha of herbicide a 10 mL portion of the stock solution was diluted with water/acetone (50/50) to 45 mL.
- the volumes of stock solution and diluent used to prepare solutions for lower application rates are shown in the following table:
- the preemergence flats were initially subjected to a light water spray.
- the four flats were placed two by two along a conveyor belt (i.e., the two preemergence followed by the two postemergence flats).
- the conveyor belt fed under a spray nozzle mounted about ten inches above the postemergent foliage.
- the preemergent flats were elevated on the belt so that the soil surface was at the same level below the spray nozzle as the foliage canopy of the postemergent plants.
- the spray of herbicidal solution was commenced and once stabilized, the flats were passed under the spray at a speed to receive a coverage equivalent of 1000 L/ha. At this coverage the application rates are those shown in the above table for the individual herbicidal solutions.
- the preemergence flats were watered immediately thereafter, placed in the greenhouse and watered regularly at the soil surface.
- the postemergence flats were immediately placed in the green-house and not watered until 24 hours after treatment with the test solution. Thereafter they were regularly watered at ground level. After 12-17 days the plants were examined and the phytotoxicity data were recorded.
- test compounds Herbicidal activity data at selected application rates are given for various components of this invention in Table 3 and Table 4. The test compounds are identified by numbers which correspond to those in Table 1.
- Phytotoxicity data were taken as percent control. Percent control was by a method similar to the 0 to 1 00 rating system disclosed in "Research Methods in Weed Science,” 2nd ed., B. Truelove, Ed.; Southern Weed Science Society; Auburn University, Auburn, Ala., 1977.
- the rating system is as follows:
- the compounds of the present invention were tested in the laboratory as water/acetone (50/50) solutions containing 0.5% v/v sorbitan monolaurate emulsifier. It is expected that all formulations normally employed in applications of herbicides would be usable with the compounds of the present invention. These include wettable powders, emulsifiable concentrates, water suspensions, flowable concentrates, and the like. The pre- and post-emergence activity of selected compounds is shown in Tables 3 and 4.
- Herbicidal compositions are prepared by combining herbicidally effective amounts of the active compounds with adjuvants and carriers normally employed in the art for facilitating the dispersion of active ingredients for the particular utility desired, recognizing the fact that the formulation and mode of application of a toxicant may affect the activity of the material in a given application.
- the present herbicidal compounds may be formulated as granules of relatively large particle size, as water-soluble or water-dispersible granules, as powdery dusts, as wettable powders, as emulsifiable concentrates, as solutions, or as any of several other known types of formulations, depending on the desired mode of application. It is to be understood that the amounts specified in this specification are intended to be approximate only, as if the word "about” were placed in front of the amounts specified.
- herbicidal compositions may be applied either as water-diluted sprays, or dusts, or granules to the areas in which suppression of vegetation is desired. These formulations may contain as little as 0.1%, 0.2% or 0.5% to as much as 95% or more by weight of active ingredient.
- Dusts are free flowing admixtures of the active ingredient with finely divided solids such as talc, natural clays, kieselguhr, flours such as walnut shell and cottonseed flours, and other organic and inorganic solids which act as dispersants and carriers for the toxicant; these finely divided solids have an average particle size of less than about 50 microns.
- a typical dust formulation useful herein is one containing 1.0 part or less of the herbicidal compound and 99.0 parts of talc.
- Wettable powders also useful formulations for both pre- and post-emergence herbicides, are in the form of finely divided particles which disperse readily in water or other dispersant.
- the wettable powder is ultimately applied to the soil either as a dry dust or as an emulsion in water or other liquid.
- Typical carriers for wettable powders include Fuller's earth, kaolin clays, silicas, and other highly absorbent, readily wet inorganic diluents. Wettable powders normally are prepared to contain about 5-80% of active ingredient, depending on the absorbency of the carrier, and usually also contain a small amount of a wetting, dispersing or emulsifying agent to facilitate dispersion.
- a useful wettable powder formulation contains 80.0 parts of the herbicidal compound, 17.9 parts of Palmetto clay, and 1.0 part of sodium lignosulfonate and 0.3 part of sulfonated aliphatic polyester as wetting agents. Additional wetting agent and/or oil will frequently be added to the tank mix for postemergence application to facilitate dispersion on the foliage and absorption by the plant.
- ECs emulsifiable concentrates
- ECs emulsifiable concentrates
- ECs emulsifiable concentrates
- these concentrates are dispersed in water or other liquid carrier and normally applied as a spray to the area to be treated.
- the percentage by weight of the essential active ingredient may vary according to the manner in which the composition is to be applied, but in general comprises 0.5 to 95% of active ingredient by weight of the herbicidal composition.
- Flowable formulations are similar to ECs except that the active ingredient is suspended in a liquid carrier, generally water.
- Flowables like ECs, may include a small amount of a surfactant, and will typically contain active ingredients in the range of 0.5 to 95%, frequently from 10 to 50%, by weight of the composition.
- flowables may be diluted in water or other liquid vehicle, and are normally applied as a spray to the area to be treated.
- Typical wetting, dispersing or emulsifying agents used in agricultural formulations include, but are not limited to, the alkyl and alkylaryl sulfonates and sulfates and their sodium salts; alkylaryl polyether alcohols; sulfated higher alcohols; polyethylene oxides; sulfonated animal and vegetable oils; sulfonated petroleum oils; fatty acid esters of polyhydric alcohols and the ethylene oxide addition products of such esters; and the addition product of longChain mercaptans and ethylene oxide.
- Many other types of useful surface-active agents are available in commerce. Surface-active agents, when used, normally comprise 1 to 15% by weight of the composition.
- compositions include suspensions of the active ingredient in a relatively non-volatile solvent such as water, corn oil, kerosene, propylene glycol, or other suitable solvents.
- Still other useful formulations for herbicidal applications include simple solutions of the active ingredient in a solvent in which it is completely soluble at the desired concentration, such as acetone, alkylated naphthalenes, xylene, or other organic solvents.
- Granular formulations, wherein the toxicant is carried on relative coarse particles, are of particular utility for aerial distribution or for penetration of cover crop canopy.
- Pressurized sprays typically aerosols wherein the active ingredient is dispersed in finely divided form as a result of vaporization of a low-boiling dispersant solvent carrier, such as the Freon fluorinated hydrocarbons, may also be used.
- Water-soluble or water-dispersible granules are free-flowing, non-dusty, and readily water-soluble or water-miscible.
- the soluble or dispersible granular formulations described in U.S. Pat. No. 3,920,442 are useful herein with the present herbicidal compounds.
- the granular formulations, emulsifiable concentrates, flowable concentrates, solutions, etc. may be diluted with water to give a concentration of active ingredient in the range of say 0.1% or 0.2% to 1.5% or 2%.
- the active herbicidal compounds of this invention may be formulated and/or applied with insecticides, fungicides, nematicides, plant growth regulators, fertilizers, or other agricultural chemicals and may be used as effective soil sterilants as well as selective herbicides in agriculture.
- an effective amount and concentration of the active compound is of course employed.
- the compounds may be applied as preemergent or postemergent herbicides, with postemergent application preferred. For field use, where there are losses of herbicide, application rates may be in the range of 10 to 300 grams per hectare and are preferably in the range of 30 to 125 g/ha.
- the compounds of this invention are also useful as cotton defoliation and potato dessication agents. Such agents aid in the harvesting of the cotton and potato crops.
- the active herbicidal compounds of the present invention may also be used in combination with other herbicides.
- herbicides include, for example: N-(phosphonomethyl)glycine, isopropylamine salt ("glyphosate”); aryloxyalkanoic acids such as (2,4-dichlorophenoxy)acetic acid (“2,4-D"), (4-chloro-2-methylphenoxy)acetic acid (“MCPA”), (+/-)-2-(4chloro-2-methylphenoxy)propanoic acid (“MCPP”); ureas such as N,N-dimethyl-N'-[4-(1-methylethyl)phenyl]urea ("isoproturon”); imidazolinones such as 2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-3-pyridinecarboxylic acid (“imazapyr”), a reaction product comprising (+/-)-2
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Abstract
It has now been found that certain novel (oxaalkyl)phenyl-substituted heterocycles are useful as pre-emergent and post-emergent herbicides. These compounds are represented by formula I: ##STR1## where Q is a heterocycle and X, Y, R, R1, R2, and R3 are substituents as described in the specification. Preferred are those compounds where Y and R are chloro; R1 and R2 are hydrogen or methyl; R3 is hydrogen or alkylaminocarbonyl; X is fluorine; and Q is a 1-substituted-6-trifluoromethyl-2,4(1H,3H)-pyrimidinedion-3-yl.
Description
This application claims benefit to provisional application Ser. No. 60/052,368 filed Jul. 11, 1997.
This invention relates generally to novel herbicidal compounds and methods for their use in controlling unwanted plant species in agriculture. In particular, it pertains to herbicidal (oxaalkyl)phenyl-substituted heterocycles, and more particularly it pertains to herbicidal (oxaalkyl)phenyl-substituted heterocycles where the oxaalkyl moiety of the (oxaalkyl)phenyl is substituted and the heterocycle is a 1-substituted-6-trifluoromethyl-2,4(1H,3H)-pyrimidinedion-3-yl, a 4-difluoromethyl-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-on-1-yl, a 4-halo-5-difluoromethoxy-1-methylpyrazol-3-yl, a 3,4,5,6-tetrahydrophthalimid-1-yl, a 1,4-dihydro-4-(3-fluoropropyl)-5H-tetrazole-5-on-1-yl, a 3-chloro-4,5,6,7-tetrahydroindazol-2-yl, a 5,6,7,8-tetrahydro-1,2,4-triazolo[4,3-A]pyridin-3(2H)-on-2-yl, 5,6,7,8-tetrahydro-1H,3H-[1,3,4]thiadiazolo[3,4-a]pyridazineimin-1-yl or a 4-methyl-1,2,4-triazine-3,5-dion-2-yl moiety.
There is a continuing demand for new herbicides. Herbicides are useful for controlling unwanted vegetation which may otherwise cause significant damage to crops such as wheat, corn, soybeans and cotton, to name a few. For crop protection, so-called "selective" herbicides are desired which can control the weeds without damaging the crop. Such crops are said to exhibit tolerance to the herbicide. In certain other situations, it is desirable to use herbicides that provide complete vegetation control such as in areas around railroad tracks and other structures. While many commercial products are available that provide selective or complete vegetation control, the demand exists for new, safe herbicides that are more effective and less costly.
German Offenlegungsschrift DE 4237920A1 (Ciba-Geigy AG) describes herbicidally active compounds of the following formula: ##STR2## among which are compounds where W is N(R1)C═O; R1 is C1 -C4 -alkyl, C1 -C4 -haloalkyl, C1 -C4 -alkenyl, or C1 -C4 -alkynyl; R2 is halogen or cyano; R3 is hydrogen or halogen; R4 is hydrogen or C1 -C4 -alkyl; R5 is C1 -C4 -alkyl or C1 -C4 -haloalkyl; and Q is CR6 R7 R8 where R6 and R7 are hydrogen or alkyl; and R8 is X1 R9 where X1 is oxygen; R9 is hydrogen or C(═X2)R10 where X2 is oxygen; and R10 is C1 -C5 -alkyl or C1 -C4 -alkoxy.
British Patent GB 2,289,893 (BASF Akt.) describes herbicidally active compounds of the following formula: ##STR3## among which are compounds where R1 is halogen or cyano; R2 is hydrogen or halogen; R3, R4 are hydrogen, halogen, or alkyl; R5, R6 are hydrogen or alkyl; and R7 is hydrogen, alkylcarbonyl, alkoxycarbonyl, alkylaminocarbonyl, or cycloalkylaminocarbonyl.
It has now been found that certain novel (oxaalkyl)phenyl-substituted heterocycles are useful as pre-emergent and post-emergent herbicides. These compounds are represented by formula I: ##STR4## where Q is a heterocycle, and X, Y, R, R1, R2, and R3 are substituents as described below. Preferred compounds include those where Y and R are chloro; R1 and R2 are hydrogen or methyl; R3 is hydrogen or alkylaminocarbonyl; X is fluorine; and Q is a 1-substituted-6-trifluoromethyl-2,4(1H,3H)-pyrimidinedion-3-yl.
Certain novel (oxaalkyl)phenyl-substituted heterocycles are useful as pre-emergent and post-emergent herbicides. These compounds are represented by formula I: ##STR5## R is hydrogen, halogen, or alkyl; R1 is hydrogen, cyano, or alkyl;
R2 is hydrogen, or alkyl;
R3 is hydrogen, straight or branched chain alkyl carbonyl, alkoxycarbonyl, alkylaminocarbonyl, or cycloalkylaminocarbonyl;
X is hydrogen or halogen;
Y is halogen, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, or nitro;
R4 is hydrogen, amino, straight or branched chain alkyl, haloalkyl, cyanoalkyl, alkoxyalkyl, arylalkyl, alkoxycarbonylalkyl, arylalkyl, alkoxycarbonylalkyl, alkenyl, alkynyl, or a salt-forming ion; and
R5 is halogen.
For Q in formula I, the above structural moieties may also be identified by their chemical name as follows: ##STR6## where "A" is 1-substituted-6-trifluoromethyl-2,4(1H,3H)-pyrimidinedion-3-yl, "B" is 4-difluoromethyl-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-on-1-yl, "C" is 4-halo-5-difluoromethoxy-1-methylpyrazol-3-yl, "D" is 3,4,5,6-tetrahydrophthalimid-1-yl, "E" is 1,4-dihydro-4-(3-fluoropropyl)-5H-tetrazole-5-on-1-yl, "F" is 3-chloro-4,5,6,7-tetrahydroindazol-2-yl, "G" is 5,6,7,8-tetrahydro-1,2,4-triazolo[4,3-A]pyridin-3(2H)-on-2-yl, "H" is 5,6,7,8-tetrahydro-1H,3H-[1,3,4]thiadiazolo[3,4-a]pyridazineimin-1-yl, and "J" is 4-methyl-1,2,4-triazine-3,5-dion-2-yl.
One aspect of this invention relates to compounds of formula I where Q is 1-substituted-6-trifluoromethyl-2,4(1H,3H)-pyrimidinedion-3-yl and R, R1, R2, R3, X, Y, and R4 are as described above.
Another aspect of this invention relates to compounds of formula I where Q is 4-difluoromethyl-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-on-1-yl and R, R1, R2, R3, X, and Y are as described above.
Another aspect of this invention relates to compounds of formula I where Q is 4-halo-5-difluoromethoxy-1-methylpyrazol-3-yl and R, R1, R2, R3, X, Y, and R5 are as described above.
Another aspect of this invention relates to compounds of formula I where Q is 3,4,5,6-tetrahydrophthalimid-1-yl and R, R1, R2, R3, X, and Y are as described above.
Another aspect of this invention relates to compounds of formula I where Q is 1,4-dihydro-4-(3-fluoropropyl)-5H-tetrazole-5-on-1-yl and R, R1, R2, R3, X, and Y are as described above.
Another aspect of this invention relates to compounds of formula I where Q is 3-chloro-4,5,6,7-tetrahydroindazol-2-yl and R, R1, R2, R3, X, and Y are as described above.
Another aspect of this invention relates to compounds of formula I where Q is 5,6,7,8-tetrahydro-1,2,4-triazolo[4,3-A]pyridin-3(2H)-on-2-yl and R, R1, R2, R3, X, and Y are as described above.
Another aspect of this invention relates to compounds of formula I where Q is 5,6,7,8-tetrahydro-1H,3H-[1,3,4]thiadiazolo[3,4-a]pyridazineimin-1-yl and R, R1, R2, R3, X, and Y are as described above.
Another aspect of this invention relates to compounds of formula I where Q is 4-methyl-1,2,4-triazine-3,5-dion-2-yl and R, R1, R2, R3, X, and Y are as described above.
Preferred are those of formula I where Y and R are chloro; R1 and R2 are hydrogen or methyl; R3 is hydrogen or alkylaminocarbonyl; and X is fluoro.
Particularly preferred are those compounds of formula I where Q is 1-substituted-6-trifluoromethyl-2,4(1H,3H)-pyrimidinedion-3-yl; Y and R are chloro; R1 and R2 are hydrogen or methyl; R3 is hydrogen or methylaminocarbonyl; X is fluoro; and R4 is methyl or amino.
As used in this specification and unless otherwise indicated the terms "alkyl", "alkenyl", "alkynyl", used alone or as part of a larger moiety includes 1 to 6 carbon atoms, and the term "cycloalkyl" includes 3 to 8 carbon atoms. "Halogen" refers to fluorine, bromine, or chlorine. "Salt-forming ion" refers to sodium, potassium, lithium, barium or calcium.
The (oxaalkyl)phenyl-substituted heterocycles of formula I may be prepared by the methods described below or by methods similar to those known to one skilled in the art for similar compounds. ##STR7##
Scheme 1 above illustrates a general procedure for preparing compounds of formula I where R is chloro, and R1 and R2 are hydrogen or alkyl. The starting aniline 1 may be prepared according to known methods, such as those taught in U.S. Pat. Nos. 5,041,155, 4,954,159, or 4,932,996. Diazotization of 1 and reaction with an appropriate alkenyl alcohol as shown in step (a) affords the alcohol 2. Alcohol 2 may be acylated with an appropriate anhydride according to step (b) to provide 2a or converted with an isocyanate according to step (c) to provide carbamate 2b.
Procedures for some of the methods that are useful to prepare compounds of this invention are given in the Examples below.
A mixture of 2.0 grams (0.015 mole) of copper(II) chloride, and 1.5 grams (0.015 mole) of tert.-butyl nitrite in 10.2 mL (0.10 mole) of 2-methyl-3-buten-2-ol was rapidly stirred, and a solution of 2.9 grams (0.010 mole) of 1-methyl-6-trifluoromethyl-3-(5-amino-4-chloro-2-fluorophenyl)-2,4(1H,3H)pyrimidinedione in 80 mL of acetonitrile was added slowly. Upon completion of addition, the reaction mixture was stirred for about one hour, then it was poured into water. The mixture was extracted with diethyl ether, and the extract was dried with magnesium sulfate. The extract was filtered, and the filtrate was concentrated under reduced pressure to a residue. The residue was purified by column chormatography on silica gel using ethyl acetate in methylene chloride, yielding 3.8 grams of Compound 1. The NMR spectrum was consistent with the proposed structure.
A mixture of 0.95 gram (0.0021 mole) of 2-chloro-3-methyl-1-[2chloro-4-fluoro-5-[1-methyl-6-trifluoromethyl-2,4(1H,3H)-pyrimidindion-3-yl]phenyl]butan-3-ol, 0.26 gram (0.0026 mole) of acetic anhydride, and 0.39 gram (0.0032 mole) of 4-dimethylaminopyridine in 5 mL of methylene chloride was stirred at ambient temperature for about 18 hours. The reaction mixture was then diluted with water and extracted with three 45 mL portions of ethyl acetate. The combined extracts were dried with magnesium sulfate and filtered. The filtrate was concentrated under reduced pressure to a residue. The residue was purified by column chormatography on silica gel using ethyl acetate in heptane, yielding 0.66 gram of Compound 16, mp 40-50° C. The NMR spectrum was consistent with the proposed structure.
A solution of 0.50 gram (0.0013 mole) of 2-chloro-1-[2-chloro-fluoro-5-[4-difluoromethyl-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-on-1-yl]phenyl]propan-3-ol (prepared in the manner of Example 1), 0.23 gram (0.0040 mole) of methyl isocyanate, and two drops of dibutyltin diacetate in about 20 mL of methylene chloride was stirred at ambient temperature for 18 hours. The crude product was purified by column chormatography on silica gel using ethyl acetate in methylene chloride, yielding 0.43 gram of Compound 31. The NMR spectrum was consistent with the proposed structure.
Table 1 below shows representative compounds of the present invention.
TABLE 1
__________________________________________________________________________
Herbicidal (oxaalkyl)phenyl-substituted heterocycles
##STR8##
where Q is one of the following moieties:
##STR9##
##STR10##
##STR11##
##STR12##
##STR13##
##STR14##
##STR15##
##STR16##
##STR17##
Cmpd
No. R R.sup.1
R.sup.2
R.sup.3
X
Y Q R.sup.4 or
__________________________________________________________________________
R.sup.5
1 CH.sub.3
CH.sub.3
H Cl
A CH.sub.3
2 Cl
CH.sub.3
CH.sub.3
H F
Cl B --
3 Cl
CH.sub.3
CH.sub.3
H F
Cl C Cl
4 H
CH.sub.3
CH.sub.3
H H
Cl A CH.sub.3
5 Cl
CH.sub.3
CH.sub.3
H H
Cl A CH.sub.3
6 Br
CH.sub.3
CH.sub.3
H Cl A CH.sub.3
7 Br
CH.sub.3
CH.sub.3
H Cl A CH.sub.3
8 Cl
CH.sub.3
CH.sub.3
H Br A CH.sub.3
9 Cl
CH.sub.3
CH.sub.3
H C.tbd.N
A CH.sub.3
10 H CH.sub.3
CH.sub.3
H Cl A CH.sub.3
11 CH.sub.3
CH.sub.3
CH.sub.3
H Cl A CH.sub.3
12 Cl
C.sub.2 H.sub.5
CH.sub.3
H F Cl A CH.sub.3
13 Cl
C.tbd.N
--CH.sub.3
H Cl A CH.sub.3
14 Cl
CH.sub.3
CH.sub.3
H C.tbd.N
A NH.sub.2
15 Cl
CH.sub.3
CH.sub.3
H C.tbd.N
B --
16 Cl
CH.sub.3
CH.sub.3
COCH.sub.3
F
Cl A CH.sub.3
17 Cl
CH.sub.3
CH.sub.3
COCH.sub.3
F
Cl B --
18 Cl
CH.sub.3
CH.sub.3
COCH.sub.3
F
Cl C Cl
19 Cl
H
CH.sub.3
H Cl A CH.sub.3
20 Cl
H
H
H Cl A CH.sub.3
21 Cl
H
H
COCH.sub.3
F
Cl A CH.sub.3
22 Cl
H
H
H Cl A NH.sub.2
23 Cl
H
H
COCH.sub.3
F
Cl A NH.sub.2
24 Cl
H
H
H Cl B --
25 Cl
CH.sub.3
CH.sub.3
H Cl D --
26 Cl
CH.sub.3
CH.sub.3
H Cl C Br
27 Cl
CH.sub.3
CH.sub.3
COCH.sub.3
F
Cl C Br
28 Cl
H
H
CONHCH.sub.3
F Cl A CH.sub.3
29 Cl
H
H CONHCH(CH.sub.3).sub.2
F Cl A CH.sub.3
30 Cl
H
H
CO.sub.2 CH.sub.3
F Cl A CH.sub.3
31 Cl
H
H
CONHCH.sub.3
F Cl B --
32 Cl
H
H
CONHC.sub.2 H.sub.5
F Cl B --
33 Cl
H
H
CONHC(CH.sub.3).sub.3
F Cl B --
34 Cl
H
H
CONHCH(CH.sub.3).sub.2
F Cl B --
35 Cl
H
H
CONH-cyclohexyl
F
Cl B --
36 Cl
H
H
CONH(CH.sub.2).sub.5 CH.sub.3
F Cl B --
37 Cl
CH.sub.3
CH.sub.3
H Cll B --
38 Cl
CH.sub.3
CH.sub.3
H Cl E --
39 Cl
CH.sub.3
CH.sub.3
CONHCH.sub.3
F Cl E --
40 Cl
H
H
H Cl E --
41 Cl
CH.sub.3
CH.sub.3
COCH.sub.3
F
Cl E --
42 Cl
CH.sub.3
CH.sub.3
H Cl F --
43 Cl
H
H
COCH.sub.3
F
Cl F --
44 Cl
H
H
H Cll F --
45 Cl
H
H
H Cl G --
46 Cl
CH.sub.3
CH.sub.3
COCH.sub.3
F
Cl G --
47 Cl H
H
H Cl H --
48 H H
H
H Cl J --
49 Cl
CH.sub.3
CH.sub.3
H Cl J --
50 CH.sub.3
CH.sub.3
CH.sub.3
H Cll J --
51 Cl
CH.sub.3
CH.sub.3
H Cl A H
52 Cl
CH.sub.3
CH.sub.3
H Cl A C.sub.2 H.sub.5
53 Cl
CH.sub.3
CH.sub.3
H Cl A n-C.sub.3 H.sub.7
54 Cl
CH.sub.3
CH.sub.3
H Cl A CH(CH.sub.3).sub.2
55 Cl
CH.sub.3
CH.sub.3
H Cl A CH.sub.2 CN
56 Cl
CH.sub.3
CH.sub.3
H Cl A CH.sub.2 C.sub.6 H.sub.5
57 Cl
CH.sub.3
CH.sub.3
H Cl A CH.sub.2 C.tbd.CH
58 Cl
CH.sub.3
CH.sub.3
H Cl A CH.sub.2 OCH.sub.3
59 Cl
CH.sub.3
CH.sub.3
H Cl A CH.sub.2 CO.sub.2 C.sub.2
H.sub.5
60 Cl
CH.sub.3
CH.sub.3
H Cl A CH.sub.2 CH═CH.sub.2
61 Cl
CH.sub.3
CH.sub.3
H Cl A NH.sub.2
62 Cl
CH.sub.3
CH.sub.3
H Cl A CHF.sub.2
63 Cl
CH.sub.3
CH.sub.3
H Cl A Na
64 Cl
CH.sub.3
CH.sub.3
H Cl A CH.sub.2 CH.sub.2 CH.sub.2
F
65 Cl
CH.sub.3
CH.sub.3
H CH.sub.3
A CH.sub.3
66 Cl
CH.sub.3
CH.sub.3
H CF.sub.3
A CH.sub.3
67 Cl
CH.sub.3
CH.sub.3
H OCH A CH.sub.3
F.sub.2
68 Cl
CH.sub.3
CH.sub.3
H NO.sub.2
A CH.sub.3
69 Cl
CH.sub.3
CH.sub.3
H OCH.sub.3
A CH.sub.3
__________________________________________________________________________
TABLE 2
______________________________________
Characterizing Data
Melting Point °C.
Melting Point °C.
Cmpd No Physical State
Cmpd No
Physical State
______________________________________
1 132-135 31 136-137
2 119-120
3 OIL
16 40-50 SOFTENS
34 101-102
17 OIL
125-126
18 OIL
71-73
24 OIL
OIL
______________________________________
Biological Testing
The (oxaalkyl)phenyl-substituted heterocycles of this invention were tested for pre- and postemergence herbicidal activity using a variety of crops and weeds. The test plants included soybean (Glycine max var. Winchester), field corn (Zea mays var. Pioneer 3732), wheat (Triticum aestivum var. Lew), morningglory (Ipomea lacunosa or Ipomea hederacea), leaf (Abutilon theophrasti), green foxtail (Setaria viridis), Johnsongrass (Sorghum halepense), blackgrass (Aloepecurus myosuroides), common chickweed (Stellaria media), and common cocklebur (Xanthium strumarium L.).
For preemergence testing, two disposable fiber flats (8 cm×15 cm×25 cm) for each rate of application of each candidate herbicide were filled to an approximate depth of 6.5 cm with steam-sterilized sandy loam soil. The soil was leveled and impressed with a template to provide five evenly spaced furrows 13 cm long and 0.5 cm deep in each flat. Seeds of soybean, wheat, corn, green foxtail, and johnsongrass were planted in the furrows of the first flat, and seeds of velvetleaf, morningglory, common chickweed, cocklebur, and blackgrass were planted in the furrows of the second flat. The five-row template was employed to firmly press the seeds into place. A topping soil of equal portions of sand and sandy loam soil was placed uniformly on top of each flat to a depth of approximately 0.5 cm. Flats for postemergence testing were prepared in the same manner except that they were planted 9-14 days prior to the preemergence flats and were placed in a greenhouse and watered, thus allowing the seeds to germinate and the foliage to develop.
In both pre- and postemergence tests, a stock solution of the candidate herbicide was prepared by dissolving 0.27 g of the compound in 20 mL of water/acetone (50/50) containing 0.5% v/v sorbitan monolaurate. For an application rate of 3000 g/ha of herbicide a 10 mL portion of the stock solution was diluted with water/acetone (50/50) to 45 mL. The volumes of stock solution and diluent used to prepare solutions for lower application rates are shown in the following table:
______________________________________
Application
Volume of Volume of Total Volume
Rate Stock Solution
Acetone/Water
of Spray Solution
(g/ha) (mL)
(mL)
______________________________________
3000 10 35 45
1000 45
300 45
100 45.3
30 45.1
10 45.03
3 45.01
______________________________________
The preemergence flats were initially subjected to a light water spray. The four flats were placed two by two along a conveyor belt (i.e., the two preemergence followed by the two postemergence flats). The conveyor belt fed under a spray nozzle mounted about ten inches above the postemergent foliage. The preemergent flats were elevated on the belt so that the soil surface was at the same level below the spray nozzle as the foliage canopy of the postemergent plants. The spray of herbicidal solution was commenced and once stabilized, the flats were passed under the spray at a speed to receive a coverage equivalent of 1000 L/ha. At this coverage the application rates are those shown in the above table for the individual herbicidal solutions. The preemergence flats were watered immediately thereafter, placed in the greenhouse and watered regularly at the soil surface. The postemergence flats were immediately placed in the green-house and not watered until 24 hours after treatment with the test solution. Thereafter they were regularly watered at ground level. After 12-17 days the plants were examined and the phytotoxicity data were recorded.
Herbicidal activity data at selected application rates are given for various components of this invention in Table 3 and Table 4. The test compounds are identified by numbers which correspond to those in Table 1.
Phytotoxicity data were taken as percent control. Percent control was by a method similar to the 0 to 1 00 rating system disclosed in "Research Methods in Weed Science," 2nd ed., B. Truelove, Ed.; Southern Weed Science Society; Auburn University, Auburn, Ala., 1977. The rating system is as follows:
______________________________________
Herbicide Rating System
Rating Description
Percent Crop
Weed
Control Description
Description
______________________________________
0 No effect No crop No weed
control
or injury
10 Very poor
weed
control
20 Poor weed
control
stunting or
stand loss
30 Poor to
deficientunced
weed not lasting
control
40 Moderate
Deficientinjury,
weedually
control
50 Deficient to
moderateng,
weedery doubtful
control
60 Lasting crop
Moderate
injury, no
weed
recovery
control
70 Heavy injury and
Control
stand loss
somewhat
less than
satisfactory
80 Satisfactoryrly des-
to goodoyed, a few
weedvivors
control
90 Only occasional
Very good
live plants left
to excel-
lent
control
100 Complete crop
Complete
destruction
______________________________________
The compounds of the present invention were tested in the laboratory as water/acetone (50/50) solutions containing 0.5% v/v sorbitan monolaurate emulsifier. It is expected that all formulations normally employed in applications of herbicides would be usable with the compounds of the present invention. These include wettable powders, emulsifiable concentrates, water suspensions, flowable concentrates, and the like. The pre- and post-emergence activity of selected compounds is shown in Tables 3 and 4.
TABLE 3
__________________________________________________________________________
PREEMERGENCE HERBICIDAL ACTIVITY (% CONTROL)
Cmp
No SOY
WHT
CRN
ABUTH
IPOSS
STEME
XANPE
ALOMY
SETVI
SORHA
__________________________________________________________________________
1 100
80 95 100 100 100 95 80 100 95
2 60 70 80 100 100 90 60 70 100 90
3 60 30 40 100 100 100 100 ND 100 75
16 100
70 90 100 100 100 100 ND 100 100
17 70 50 85 100 100 95 80 ND 80 100
18 70 20 20 100 100 100 60 ND 100 80
24 30 50 70 100 100 ND 95 10 100 65
31 100
70 90 100 100 100 ND 70 100 100
32 100
40 70 100 95 90 ND 75 100 95
33 60 20 80 100 70 90 ND 70 100 80
34 80 50 70 100 100 100 ND 60 100 100
35 30 20 10 100 90 100 ND 30 100 50
36 70 30 30 100 100 60 ND 50 100 70
__________________________________________________________________________
TABLE 4
__________________________________________________________________________
POSTEMERGENCE HERBICIDAL ACTIVITY (% CONTROL)
Cmp
No SOY
WHT
CRN
ABUTH
IPOSS
STEME
XANPE
ALOMY
SETVI
SORHA
__________________________________________________________________________
1 100
90 100
100 100 100 100 80 100 100
2 80 60 80 100 100 70 55 70 80 80
3 95 40 70 100 100 100 100 ND 100 60
16 95 60 90 100 90 100 100 100 100 100
17 80 50 90 100 100 100 60 80 100 100
18 80 40 75 100 100 100 90 80 100 80
24 80 30 80 100 100 10 100 30 80 80
31 95 50 85 100 100 100 100 75 100 100
32 95 40 80 100 95 100 100 70 100 90
33 90 40 80 100 100 80 100 60 100 80
34 90 50 85 100 90 75 100 65 100 95
35 80 25 70 100 80 30 100 30 80 60
36 80 30 80 100 100 100 100 50 80 75
__________________________________________________________________________
Rate of Application is 0.3 Kg/Ha
SOY is soybean, WHT is wheat, CRN is corn, ABUTH is velvetleaf, IPOSS is
morningglory, STEMME is chickweed, XANPE is cocklebur, ALOMY is
blackgrass, SETVI is green foxtail, and SORHA is johnsongrass
ND is no data
Herbicidal compositions are prepared by combining herbicidally effective amounts of the active compounds with adjuvants and carriers normally employed in the art for facilitating the dispersion of active ingredients for the particular utility desired, recognizing the fact that the formulation and mode of application of a toxicant may affect the activity of the material in a given application. Thus, for agricultural use the present herbicidal compounds may be formulated as granules of relatively large particle size, as water-soluble or water-dispersible granules, as powdery dusts, as wettable powders, as emulsifiable concentrates, as solutions, or as any of several other known types of formulations, depending on the desired mode of application. It is to be understood that the amounts specified in this specification are intended to be approximate only, as if the word "about" were placed in front of the amounts specified.
These herbicidal compositions may be applied either as water-diluted sprays, or dusts, or granules to the areas in which suppression of vegetation is desired. These formulations may contain as little as 0.1%, 0.2% or 0.5% to as much as 95% or more by weight of active ingredient.
Dusts are free flowing admixtures of the active ingredient with finely divided solids such as talc, natural clays, kieselguhr, flours such as walnut shell and cottonseed flours, and other organic and inorganic solids which act as dispersants and carriers for the toxicant; these finely divided solids have an average particle size of less than about 50 microns. A typical dust formulation useful herein is one containing 1.0 part or less of the herbicidal compound and 99.0 parts of talc.
Wettable powders, also useful formulations for both pre- and post-emergence herbicides, are in the form of finely divided particles which disperse readily in water or other dispersant. The wettable powder is ultimately applied to the soil either as a dry dust or as an emulsion in water or other liquid. Typical carriers for wettable powders include Fuller's earth, kaolin clays, silicas, and other highly absorbent, readily wet inorganic diluents. Wettable powders normally are prepared to contain about 5-80% of active ingredient, depending on the absorbency of the carrier, and usually also contain a small amount of a wetting, dispersing or emulsifying agent to facilitate dispersion. For example, a useful wettable powder formulation contains 80.0 parts of the herbicidal compound, 17.9 parts of Palmetto clay, and 1.0 part of sodium lignosulfonate and 0.3 part of sulfonated aliphatic polyester as wetting agents. Additional wetting agent and/or oil will frequently be added to the tank mix for postemergence application to facilitate dispersion on the foliage and absorption by the plant.
Other useful formulations for herbicidal applications are emulsifiable concentrates (ECs) which are homogeneous liquid compositions dispersible in water or other dispersant, and may consist entirely of the herbicidal compound and a liquid or solid emulsifying agent, or may also contain a liquid carrier, such as xylene, heavy aromatic naphthas, isphorone, or other non-volatile organic solvents. For herbicidal application these concentrates are dispersed in water or other liquid carrier and normally applied as a spray to the area to be treated. The percentage by weight of the essential active ingredient may vary according to the manner in which the composition is to be applied, but in general comprises 0.5 to 95% of active ingredient by weight of the herbicidal composition.
Flowable formulations are similar to ECs except that the active ingredient is suspended in a liquid carrier, generally water. Flowables, like ECs, may include a small amount of a surfactant, and will typically contain active ingredients in the range of 0.5 to 95%, frequently from 10 to 50%, by weight of the composition. For application, flowables may be diluted in water or other liquid vehicle, and are normally applied as a spray to the area to be treated.
Typical wetting, dispersing or emulsifying agents used in agricultural formulations include, but are not limited to, the alkyl and alkylaryl sulfonates and sulfates and their sodium salts; alkylaryl polyether alcohols; sulfated higher alcohols; polyethylene oxides; sulfonated animal and vegetable oils; sulfonated petroleum oils; fatty acid esters of polyhydric alcohols and the ethylene oxide addition products of such esters; and the addition product of longChain mercaptans and ethylene oxide. Many other types of useful surface-active agents are available in commerce. Surface-active agents, when used, normally comprise 1 to 15% by weight of the composition.
Other useful formulations include suspensions of the active ingredient in a relatively non-volatile solvent such as water, corn oil, kerosene, propylene glycol, or other suitable solvents.
Still other useful formulations for herbicidal applications include simple solutions of the active ingredient in a solvent in which it is completely soluble at the desired concentration, such as acetone, alkylated naphthalenes, xylene, or other organic solvents. Granular formulations, wherein the toxicant is carried on relative coarse particles, are of particular utility for aerial distribution or for penetration of cover crop canopy. Pressurized sprays, typically aerosols wherein the active ingredient is dispersed in finely divided form as a result of vaporization of a low-boiling dispersant solvent carrier, such as the Freon fluorinated hydrocarbons, may also be used. Water-soluble or water-dispersible granules are free-flowing, non-dusty, and readily water-soluble or water-miscible. The soluble or dispersible granular formulations described in U.S. Pat. No. 3,920,442 are useful herein with the present herbicidal compounds. In use by the farmer on the field, the granular formulations, emulsifiable concentrates, flowable concentrates, solutions, etc., may be diluted with water to give a concentration of active ingredient in the range of say 0.1% or 0.2% to 1.5% or 2%.
The active herbicidal compounds of this invention may be formulated and/or applied with insecticides, fungicides, nematicides, plant growth regulators, fertilizers, or other agricultural chemicals and may be used as effective soil sterilants as well as selective herbicides in agriculture. In applying an active compound of this invention, whether formulated alone or with other agricultural chemicals, an effective amount and concentration of the active compound is of course employed. The compounds may be applied as preemergent or postemergent herbicides, with postemergent application preferred. For field use, where there are losses of herbicide, application rates may be in the range of 10 to 300 grams per hectare and are preferably in the range of 30 to 125 g/ha. The compounds of this invention are also useful as cotton defoliation and potato dessication agents. Such agents aid in the harvesting of the cotton and potato crops.
The active herbicidal compounds of the present invention may also be used in combination with other herbicides. Such herbicides include, for example: N-(phosphonomethyl)glycine, isopropylamine salt ("glyphosate"); aryloxyalkanoic acids such as (2,4-dichlorophenoxy)acetic acid ("2,4-D"), (4-chloro-2-methylphenoxy)acetic acid ("MCPA"), (+/-)-2-(4chloro-2-methylphenoxy)propanoic acid ("MCPP"); ureas such as N,N-dimethyl-N'-[4-(1-methylethyl)phenyl]urea ("isoproturon"); imidazolinones such as 2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-3-pyridinecarboxylic acid ("imazapyr"), a reaction product comprising (+/-)-2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-4-methylbenzoic acid and (+/-)2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-5-methylbenzoic acid ("imazamethabenz"), (+/-)-2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-5-ethyl-3-pyridinecarboxylic acid ("imazethapyr"), and (+/-)-2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-3-quinolinecarboxylic acid ("imazaquin"); diphenyl ethers such as 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoic acid ("acifluorfen"), methyl 5-(2,4-dichlorophenoxy)-2-nitrobenzoate ("bifenox"), and 5-[2-chloro-4-(trifluoromethyl)phenoxy]-N-(methylsulfonyl)-2-nitrobenzamide ("fomasafen"); hydroxybenzonitriles such as 4-hydroxy-3,5-diiodobenzonitrile ("ioxynil") and 3,5-dibromo-4-hydroxybenzonitrile ("bromoxynil"); sulfonylureas such as 2-[[[[(4chloro-6-methoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]benzoic acid ("chlorimuron"), 2-chloro-N-[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]benzenesulfonamide (achlorsulfuron"), 2-[[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sufonyl]methyl]benzoic acid ("bensulfuron"), 2-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]-amino]sulfonyl]-1-methy-1H-pyrazol-4-carboxylic acid ("pyrazosulfuron"), 3-[[[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]amino]sulfonyl]-2-thiophenecarboxylic acid ("thifensulfuron"), and 2-(2-chloroethoxy)-N[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]benzenesulfonamide ("triasulfuron"); 2-(4-aryloxyphenoxy)alkanoic acids such as (+/-)-2[4-[(6-chloro-2-benzoxazolyl)oxy]phenoxy]propanoic acid (fenoxaprop"), (+/-)-2-[4-[[5-(trifluoromethyl)-2-pyridinyl]oxy]phenoxy]propanoic acid ("fluazifop"), (+/-)-2-[4-(6chloro-2-quinoxalinyl)oxy]phenoxy]propanoic acid ("quizalofop"), and (+/-)-2-[(2,4-dichlorophenoxy)phenoxy]propanoic acid ("diclofop"); benzothiadiazinones such as 3-(1-methylethyl)-1H-2,1,3-benzothiadiazin-4(3H)-one-2,2-dioxide ("bentazone"); 2-chloroacetanilides such as N-(butoxymethyl)-2-chloro-2',6'-diethyacetanilide ("butachlor"); arenecarboxylic acids such as 3,6-dichloro2-methoxybenzoic acid ("dicamba"); and pyridyloxyacetic acids such as [(4-amino-3,5-dichloro-6-fluoro-2-pyridinyl)oxy]acetic acid ("fluroxypyr").
It is apparent that various modifications may be made in the formulations and application of the compounds of the present invention without departing from the inventive concepts herein, as defined in the claims.
Claims (18)
1. A compound having the formula ##STR18## R is hydrogen, halogen, or alkyl; R1 is hydrogen, cyano, or alkyl;
R2 is hydrogen, or alkyl;
R3 is hydrogen, straight or branched chain alkyl carbonyl, alkoxycarbonyl, alkylaminocarbonyl, or cycloalkylaminocarbonyl;
X is hydrogen or halogen;
Y is halogen, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, or nitro;
R4 is hydrogen, amino, straight or branched chain alkyl, haloalkyl, cyanoalkyl, alkoxyalkyl, arylalkyl, alkoxycarbonylalkyl, arylalkyl, alkoxycarbonylalkyl, alkenyl, alkynyl, or a salt-forming ion; and
R5 is halogen.
2. A compound of claim 1 where Q is 1-substituted-6-trifluoromethyl-2,4(1H,3H)-pyrimidinedion-3-yl.
3. A compound of claim 1 where Q is 4-difluoromethyl-4,5-dihydro-3-methyl-1,2,4-triazol-5(1H)-on-1-yl.
4. A compound of claim 1 where Q is 4-halo-5-difluoromethoxy-1-methylpyrazol-3-yl.
5. A compound of claim 1 where Q is 3,4,5,6-tetrahydrophthalimid-1-yl.
6. A compound of claim 1 where Q is 1,4-dihydro-4-(3-fluoropropyl)-5H-tetrazole-5-on-1-yl.
7. A compound of claim 1 where Q is 3-chloro-4,5,6,7-tetrahydroindazol-2-yl.
8. A compound of claim 1 where Q is 5,6,7,8-tetrahydro-1,2,4-triazolo[4,3-A]pyridin-3(2H)-on-2-yl.
9. A compound of claim 1 where Q is 5,6,7,8-tetrahydro-1H,3H-[1,3,4]thiadiazolo[3,4-a]pyridazineimin-1-yl.
10. A compound of claim 1 where Q is 4-methyl-1,2,4-triazine-3,5-dion-3-yl.
11. A compound of claim 1 where Y and R are chloro; R1 and R2 are hydrogen or methyl; R3 is hydrogen or alkylaminocarbonyl; and X is fluoro.
12. A compound of claim 11 where Q is 1-substituted-6-trifluoromethyl-2,4(1H,3H)-pyrimidinedion-3-yl; and R4 is methyl or amino.
13. A compound of claim 12 where R3 is methylaminocarbonyl.
14. A herbicidal composition comprising a herbicidally effective amount of a compound of claim 1, and a herbicidally compatible carrier therefor.
15. A herbicidal composition comprising an herbicidally effective amount of a compound of claim 1 and an herbicidally effective amount of one or more herbicides selected from the group consisting of glyphosate, 2,4-D, (4-chloro-2-methylphenoxy)-acetic acid, (+/-)-2-(4-chloro-2-methylphenoxy)-propanoic acid, isoproturon, imazapyr, imazamethabenz, imazethapyr, imazaquin, acifluorfen, bifenox, fomasafen, ioxynil, bromoxynil, chlorimuron, chlorsulfuron, bensulfuron, pyrazosulfuron, thifensulfuron, triasulfuron, fenoxaprop, fluazifop, quizalofop, diclofop, bentazone, butachlor, dicamba, and fluroxypyr.
16. A composition of claim 15, and a herbicidally compatible carrier therefor.
17. A method of controlling undesired plant growth, comprising application to the locus where the undesired plants are growing or are expected to grow, a herbicidally effective amount of a composition of claim 14.
18. A method of controlling undesired plant growth, comprising application to the locus where the undesired plants are growing or are expected to grow, a herbicidally effective amount of a composition of claim 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/113,867 USH1923H (en) | 1997-07-11 | 1998-07-10 | Herbicidal (oxaalkyl) phenyl-substituted heterocycles |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US5236897P | 1997-07-11 | 1997-07-11 | |
| US09/113,867 USH1923H (en) | 1997-07-11 | 1998-07-10 | Herbicidal (oxaalkyl) phenyl-substituted heterocycles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| USH1923H true USH1923H (en) | 2000-11-07 |
Family
ID=26730528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US09/113,867 Abandoned USH1923H (en) | 1997-07-11 | 1998-07-10 | Herbicidal (oxaalkyl) phenyl-substituted heterocycles |
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| Country | Link |
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| US (1) | USH1923H (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990002120A1 (en) * | 1988-08-31 | 1990-03-08 | Fmc Corporation | Herbicidal triazolinones |
| US5116404A (en) * | 1990-01-18 | 1992-05-26 | Nissan Chemical Industries Ltd. | Uracil derivatives and pesticides containing the same as active ingredient |
| US5296451A (en) * | 1989-07-26 | 1994-03-22 | Basf Aktiengesellschaft | Cinnamic esters |
| WO1995032188A1 (en) * | 1994-05-20 | 1995-11-30 | Basf Aktiengesellschaft | Substituted 3-phenylpyrazoles for use as herbicides |
| US5519022A (en) * | 1991-03-21 | 1996-05-21 | Imperial Chemical Industries Plc | α, α dialkylbenzyl derivatives |
| US5621112A (en) * | 1996-07-18 | 1997-04-15 | Fmc Corporation | Process for the preparation of the herbicide ethyl α-2-dichloro-5-[4-(Difluoromethyl)-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl]-4-fluorobenzenepropanoate |
| US5700905A (en) * | 1992-09-01 | 1997-12-23 | The Trustees Of The University Of Pennsylvania | Synthetic somatostatin mimics |
| US5817814A (en) * | 1997-05-01 | 1998-10-06 | Fmc Corporation | Method for the preparation of benzyluracils |
-
1998
- 1998-07-10 US US09/113,867 patent/USH1923H/en not_active Abandoned
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990002120A1 (en) * | 1988-08-31 | 1990-03-08 | Fmc Corporation | Herbicidal triazolinones |
| US5296451A (en) * | 1989-07-26 | 1994-03-22 | Basf Aktiengesellschaft | Cinnamic esters |
| US5116404A (en) * | 1990-01-18 | 1992-05-26 | Nissan Chemical Industries Ltd. | Uracil derivatives and pesticides containing the same as active ingredient |
| US5519022A (en) * | 1991-03-21 | 1996-05-21 | Imperial Chemical Industries Plc | α, α dialkylbenzyl derivatives |
| US5700905A (en) * | 1992-09-01 | 1997-12-23 | The Trustees Of The University Of Pennsylvania | Synthetic somatostatin mimics |
| WO1995032188A1 (en) * | 1994-05-20 | 1995-11-30 | Basf Aktiengesellschaft | Substituted 3-phenylpyrazoles for use as herbicides |
| US5621112A (en) * | 1996-07-18 | 1997-04-15 | Fmc Corporation | Process for the preparation of the herbicide ethyl α-2-dichloro-5-[4-(Difluoromethyl)-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl]-4-fluorobenzenepropanoate |
| US5817814A (en) * | 1997-05-01 | 1998-10-06 | Fmc Corporation | Method for the preparation of benzyluracils |
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