WO1999033820A1 - Derives de la tricetone - Google Patents
Derives de la tricetone Download PDFInfo
- Publication number
- WO1999033820A1 WO1999033820A1 PCT/JP1997/004797 JP9704797W WO9933820A1 WO 1999033820 A1 WO1999033820 A1 WO 1999033820A1 JP 9704797 W JP9704797 W JP 9704797W WO 9933820 A1 WO9933820 A1 WO 9933820A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- compound
- formula
- alkyl group
- triketone derivative
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D335/00—Heterocyclic compounds containing six-membered rings having one sulfur atom as the only ring hetero atom
- C07D335/04—Heterocyclic compounds containing six-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
- C07D335/06—Benzothiopyrans; Hydrogenated benzothiopyrans
-
- 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
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/18—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with sulfur as the ring hetero atom
Definitions
- the present invention relates to a triketone derivative or a salt thereof and a herbicide using the same. More specifically, the present invention relates to a triketone derivative having a specific structure or a salt thereof, which contains these compounds as an active ingredient, has no phytotoxicity to crops such as corn, and controls a wide range of field weeds at a low dose. On possible herbicides. Background art
- Herbicides are extremely important in saving labor on weed control and improving productivity of agricultural and horticultural crops. For this reason, herbicides have been actively researched and developed for many years, and a wide variety of drugs are currently in practical use. However, even today, there is a demand for the development of new drugs having even more excellent herbicidal properties, in particular, drugs capable of selectively controlling only the target weeds at a low dose without causing phytotoxicity to cultivated crops.
- Atrazine which is a triazine herbicide, and araclor and metrachlor, which are acid anilide herbicides
- atrazine has an effective herbicidal activity against broadleaf weeds, but has insufficient activity against gramineous weeds.
- aralcrol and metolachlor have effective herbicidal activities against gramineous weeds. Insufficient activity against active broadleaf weeds. That is, at present, no herbicide that can control grasses and broadleaf weeds with a single drug has been found.
- a high dose is required, and there is an environmentally undesirable problem.
- the compounds disclosed in the above publication have a problem that when they are subjected to foliage treatment, the herbicidal activity is not particularly sufficient against grass weeds.
- an object of the present invention is to provide a novel triketone derivative capable of controlling a wide range of field weeds at a low dose without causing phytotoxicity to crops such as corn and a herbicide using the same. Is what you do.
- the present inventors have conducted intensive studies to achieve the above object, and as a result, have found that a novel triketone derivative represented by the following formula (I) or a salt thereof has no phytotoxicity to crops such as corn and has a wide variety of types. They found that field weeds could be controlled with a low dose, and based on this finding, completed the present invention.
- the first object of the present invention is to
- Y 1 is C ⁇ Ji alkyl group, a halogen atom or a C 1 ⁇ 4 C port alkyl group
- Y 2 is a hydrogen atom, a C alkyl group or a halogen atom
- Y 3 is a hydrogen atom or a ⁇ to 6 alkyl group
- n 0, 1 or 2;
- p 0 or 1
- RR 2 , R 3 and R 4 are each independently a hydrogen atom, a C 1 -C 4 alkyl group or a phenyl group, and when p is 1, when R 1 or R 2 and R 3 or R 4 and is bonded to the molecule may have a double bond,
- X is an oxygen group atom or group
- R 5 and R 6 are each independently a hydrogen atom, a C alkyl group or a phenyl group.
- triketone derivative or salt thereof represented by the formula hereinafter, sometimes referred to as a "triketone derivative etc.”
- the second object of the present invention is to
- the triketone derivative of the present invention is a compound represented by the formula (I).
- ⁇ 1 Haji 1 ⁇ 4 Arukiru group, a halogen atom or a C i C Nono port alkyl group examples include a propyl group such as a methyl group, an ethyl group, an n-propyl group or an i-propyl group, and a butyl group such as an n-butyl group or an i-butyl group.
- the halogen atom include a fluorine atom, a chlorine atom, a bromine atom and an iodine atom.
- the ⁇ 4 Ha port alkyl group such as those to 1 in the alkyl group is nine halogen atoms and substituted, one particular CH 2 C 1 group is in, -CHC 1 2 group, -CC 1 3 group, - CH 2 F group, - CHF 2 group, one CF 3 group, - CC 1 2 CH 3 group one CF 2 CH 3 group, - CH 2 CH 2 F group, one CH 2 CH 2 CHF 2 group, 1 CF 2 CF 3 groups, 1 CH 2 CH 2 CH C 1 2 groups, — CH 2 CH 2 CH 2 CH 2 C 1 groups, — CH 2 CH 2 CH 2 CH 2 F groups, 1 CH (CH 3 ) CH 2 C 1 group, —CH (CH 3 ) CH 2 F group, 1 CH (C 2 H 5 ) CH 2 F group and the like.
- Y 1 is preferably a methyl group, a chlorine atom or a CF 3 group, and particularly preferably a methyl group.
- Y 2 is a hydrogen atom, a C i C alkyl group or a halogen atom. Specific examples of the C i Ca alkyl group and the halogen atom are as described in the description of Y 1 .
- a hydrogen atom, a methyl group or a fluorine atom is preferable, and a hydrogen atom or a methyl group is particularly preferable.
- Y 2 consisting of a C i C alkyl group or a halogen atom can be bonded to either the 7-position or the 8-position of the thiochroman ring, but is preferably bonded to the 8-position.
- Y 3 is a hydrogen atom or a C i Ce alkyl group.
- Ce alkyl group examples include a methyl group, an ethyl group, a propyl group such as an n-propyl group or an i-propyl group, a butyl group such as an n-butyl group or an i-butyl group, and an n-pentyl group.
- a hexyl group such as a pentyl group or an n-hexyl group is exemplified.
- Y 3 is preferably a hydrogen atom, a methyl group or an ethyl group.
- N represents the number of oxygen atoms bonded to the sulfur atom, and is an integer of 0, 1 or 2.
- n is preferably 2, that is, one in which the sulfur site is a sulfone.
- P is an integer of 0 or 1.
- p, 1 is preferable, that is, the (hetero) cyclodiketone ring bonded to the thiochroman ring is a 6-membered ring.
- R 1 R 2 , R 3 and R 4 are each independently a hydrogen atom, a ⁇ alkyl group or a phenyl group, and specific examples of the Ci to C 4 alkyl groups are described in the description of Y 1. It is as expected.
- R 1 or R 2 may be bonded to R 3 or R 4 to have a double bond in the molecule.
- Each of RR 2 , R 3 and R 4 is preferably a hydrogen atom or a methyl group, and particularly preferably a hydrogen atom.
- X is an oxygen group atom or the following formula:
- Is a group represented by The oxygen group atom includes an oxygen atom or a sulfur atom.
- R 5 and R 6 in the alkylidene group represented by the above formula are each independently a hydrogen atom, a C i -C 4 alkyl group or a phenyl group.
- ingredients Karadarei of C i ⁇ C 4 alkyl group is as described in the explanation of Y 1.
- X is an oxygen atom or the following formula
- RX 5 R 6, R 5 and R 6 is is preferred independently represents a hydrogen atom or a methyl group.
- the triketone derivative represented by the formula (I) has a tautomeric structure as shown below.
- the triketone derivatives of the present invention include compounds having all these structures, and mixtures thereof.
- the triketone derivative represented by the formula (I) is an acidic substance, and can be easily converted to a salt by treating with a base.
- the present invention also includes those salts.
- the base is not particularly limited as long as it is known, and examples thereof include organic bases such as amines / anilins, and inorganic bases such as sodium compounds and potassium compounds.
- the amines include monoalkylamine, dialkylamine, and trialkylamine
- the alkyl group in the alkylamine is usually a C ⁇ C ⁇ alkyl group.
- anilines include aniline, monoalkyl aniline, dialkyl aniline, and the like.
- the alkyl group in the alkyl aniline is usually an alkyl group.
- the sodium compound include sodium hydroxide and sodium carbonate
- examples of the potassium compound include potassium hydroxide and potassium carbonate.
- particularly preferred are sodium compounds, sulfur compounds, and trialkylamines.
- the triketone derivative of the present invention can be produced, for example, by the following method. Cyanide i /
- the compound represented by the formula ( ⁇ ) is reacted with a halogenating agent to obtain a compound represented by the formula (m), and then the compound is reacted with the compound represented by the formula (IV) to obtain a compound represented by the formula (IV).
- a triketone derivative represented by the formula (I) is produced by rearranging the compound represented by the formula (V).
- the compound represented by the formula (V) is a compound represented by the formula ( ⁇ ) which is a dicyclohexylcarpoimide (hereinafter referred to as “DCC”). It can also be produced by reacting with a compound represented by the formula (IV) in the presence of any dehydrating agent.
- DCC dicyclohexylcarpoimide
- the compound of the formula ( ⁇ ) is reacted with a halogenating agent to obtain a compound of the formula ( ⁇ ).
- the halogenating agent include thionyl chloride and phosphorus oxychloride.
- the amount of the halogenating agent is usually at least equimolar to the compound of the formula (II).
- the reaction can be carried out in the presence or absence of a solvent.
- the solvent that can be used in the reaction is not particularly limited, and examples thereof include an inert solvent such as 1,2-dichloroethane or chloroform. Alternatively, a solvent can be used by using an excess of thionyl chloride as a halogenating agent.
- the reaction temperature in step (a) is not particularly limited, but is preferably in the range of 0 ° C. to the reflux temperature of the reaction system or the boiling point of the solvent, and particularly preferably 60 ° C. or its vicinity.
- the compound of the formula (V) is produced by reacting the compound of the formula (m) obtained in the step (a) with the compound of the formula (IV).
- the compound of the formula ( ⁇ ) and the compound of the formula (IV) are mixed and reacted in a molar ratio of 1: 1-1 to 1: 3 in the presence of a solvent which is generally inert to the reaction.
- a solvent which is generally inert to the reaction.
- examples of the solvent inert to the reaction include dioxane, acetonitrile, benzene, toluene, chloroform, methylene chloride, and 1,2-dichloroethane.
- a two-phase solvent such as water-benzene, water-toluene, and water-chloroform can also be used.
- a base such as sodium hydroxide, potassium hydroxide, sodium carbonate, potassium carbonate, triethylamine, pyridine or the like may coexist in a molar equivalent amount or more with respect to the compound of the formula (m). Good.
- the reaction temperature in step (b) is not particularly limited, but is preferably in the range of 0 to 60 ° C, particularly preferably in the range of 0 ° C to room temperature.
- the compound of the formula (V) obtained in the step (b) is rearranged to produce a triketone derivative of the formula (I).
- this step (c) for example, methylene chloride, 1,2-diene
- the reaction is preferably performed in the presence of a solvent inert to the reaction, such as chloroethane, toluene, acetonitrile, N, N-dimethylformamide or ethyl acetate.
- a solvent inert to the reaction such as chloroethane, toluene, acetonitrile, N, N-dimethylformamide or ethyl acetate.
- acetate nitrile is particularly preferred.
- a base such as sodium carbonate, potassium carbonate, triethylamine or pyridine is added to the compound of the formula (V) in an amount of 1 to 4 times, preferably 1 to 2 times the amount of the compound of the formula (V). Let it.
- a so-called “cyanide source” which is a compound capable of generating hydrogen cyanide or a cyanide anion in the reaction system.
- the cyanide source include a metal cyanide such as sodium cyanide or cyanide hydride, or a cyanohydrin compound of a lower alkyl ketone.
- Examples of the lower alkyl ketones, C 3 -C 5 about alkyl ketones such Asetonshianohi drinks or methyl iso pro Building ketone Xia Nohi Dorin.
- a metal cyanide it is preferable to further add a phase transfer catalyst such as a crown ether during the reaction in order to make the reaction proceed more smoothly.
- the hydrogen cyanide or cyanide source is usually used in an amount of 0.01 to 0.5 mole equivalent, preferably 0.05 to 0.2 mole equivalent, relative to the compound of the formula (V).
- the reaction temperature in step (c) is not particularly limited, but is usually 0 to 80 ° C, preferably 20 to 40 ° C.
- step (d) In order to obtain the compound of the formula (V), the method shown in the step (d) can be used.
- compound (V) is produced by subjecting compound ( ⁇ ) and compound (IV) to a condensation reaction in the presence of a dehydrating agent such as DCC in the presence of a solvent.
- a dehydrating agent such as DCC
- the solvent used in the condensation reaction is not particularly limited as long as it is inert to the reaction. Usually, acetonitrile and tertiary amyl alcohol are preferably used.
- the reaction temperature in step (d) is not particularly limited as long as it is in the range of 0 ° C. to the boiling point of the solvent, but a temperature around room temperature is preferred.
- the dehydrating agent in addition to the above-mentioned DCC, 1,1-carbonyldiimidazole (CDI) and 1- (3-dimethylaminopropyl) -3-ethylcarboimide (EDC) can also be used. it can.
- the dehydrating agent is used in an amount of 1.0 to 3.0 equivalents, preferably 1.0 to 1.5 equivalents, relative to compound (II).
- Compound ( ⁇ ) and compound (IV) are in a molar ratio (compound ( ⁇ ) Z compound (IV)) in the range of 1: 1 to 1: 3, preferably in the range of 1: 1 to 1: 1.5. Mix You.
- This condensation reaction is usually completed in about 8 hours, but may be appropriately selected from the range of 1 to 48 hours, preferably 5 to 15 hours, depending on the type of compound (II) and compound (IV).
- the compound of the formula (V) obtained in the steps (a) and (b) or the step (d) is usually used in the next step (c) after isolation, but is used without isolation. Is also good.
- the compound represented by formula (II) used as a starting material in the process for producing a triketone derivative of the present invention can be produced by the method described in US Pat. No. 5,607,898 or a similar method. Many of the compounds represented by the formula (IV) are known compounds or can be produced by known methods.
- the triketone derivative of the present invention is represented by the formula (I). Preferred compounds are shown in Table 1.
- 8—CH 3 in the Y 2 column in Table 1 means that the methyl group is substituted at the 8-position on the chiochroman ring.
- the herbicide of the present invention contains the triketone derivative of the present invention represented by the formula (I) and / or a salt thereof as an active ingredient, and contains the triketone derivative or the like as a liquid carrier such as a solvent or a mineral substance. It is mixed with a solid carrier such as fine powder and used as a formulation in the form of wettable powders, emulsions, powders, and granules.
- a surfactant in order to enhance the emulsifying, dispersing and spreading properties of the triketone derivative and the like.
- an organic solvent is usually used as the solvent used for the liquid carrier.
- aromatic hydrocarbons such as benzene, toluene, and xylene
- chlorinated hydrocarbons such as o-chlorotoluene, trichloroethane, trichloroethylene, etc., cyclohexanol, aminoleanol, ethylene glycol, etc.
- Ketones such as anoreconore, isophorone, cyclohexanone, cyclohexeninolecyclohexanone, etc., ethers such as ptinoresenosolve, methyl ether, methylethyl ether, etc., and esters such as isopropyl acetate, benzyl acetate, methyl phthalate And amides such as dimethylformamide and mixtures thereof.
- fine powder of a mineral substance is used as the solid carrier.
- fine powder of this mineral substance include oxides such as diatomaceous earth and slaked lime, phosphates such as apatite, sulfates such as gypsum, talc, pyrophyllite, clay, kaolin, bentonite, acid clay, Examples include white carbon, and quartz salts such as quartz powder and kaite powder.
- surfactants include alkyl sulfonates, alkyl benzene sulfonates, dialkyl sulfosuccinates, anionics such as naphthalenesulfonic acid formaldehyde condensates, polyoxyethylene alkyl ethers, polyoxyethylene alkylphenol ethers, and the like. Any of nonionics such as polyoxyethylene alkylamine and sorbitan fatty acid ester, cations such as fatty acid alkylamine salts and quaternary ammonium salts, and amphoteric ions such as amino acids or betaines can be used.
- a triketone derivative or the like in the form of a wettable powder, is usually 10 to 55% by weight, and a solid carrier is 40 to 88% by weight. /. And a surfactant in a proportion of 2 to 5% by weight.
- the triketone derivative and the like are usually 20 to 50% by weight, and the solvent is 35 to 75% by weight. / 0 and 5 to 15 weight of surfactant. / 0 ratio.
- the triketone derivative of the present invention is usually 1 to 15% by weight, the solid carrier is 80 to 97% by weight, and the surfactant is 2 to 5% by weight. / 0 ratio.
- a triketone derivative is used in an amount of 1 to 15% by weight. / 0 , the solid carrier is blended at a ratio of 80 to 97% by weight and the surfactant is blended at a ratio of 2 to 5% by weight.
- the herbicide of the present invention may contain other herbicidally active ingredients, if necessary, together with the triketone derivative represented by the formula (I) as an active ingredient.
- other herbicidally active ingredients include conventionally known herbicides such as phenoxy, difuunylether, triazine, urea, force bamate, thiolkabamate, acid anilide, and the like.
- Examples thereof include pyrazole-based, phosphate-based, sulfonylprea-based, and oxadiazine-based, and can be appropriately selected from these herbicides and used.
- the herbicide of the present invention can be mixed with an insecticide, a fungicide, a plant growth regulator, a fertilizer, and the like, if necessary.
- an insecticide a fungicide
- a plant growth regulator a fertilizer
- the present invention will be described in more detail with reference to Production Examples and Herbicide Examples, but the present invention is not limited to these Examples.
- Talc (trade name: G-Cryte, G-Cryte Industries Co., Ltd.) 97 parts by weight, alkylaryl sulfonate as a surfactant (trade names: Neoperex, Kao Atlas Co., Ltd.) 1.5 parts by weight and nonionic and anion type surfactants (SOLPOL 800A, manufactured by Toho Chemical Industry Co., Ltd.) 1. 5 parts by weight are uniformly ground and mixed to prepare a carrier for a wettable powder. Obtained.
- Untreated ratio of residual grass weight (Residual weight of untreated plots) * C obtained by applying the following biological test criteria
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- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Dentistry (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Plant Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR9714941-1A BR9714941A (pt) | 1997-12-24 | 1997-12-24 | "derivados de tricetona" |
PCT/JP1997/004797 WO1999033820A1 (fr) | 1997-12-24 | 1997-12-24 | Derives de la tricetone |
KR1020007007036A KR20010015892A (ko) | 1997-12-24 | 1997-12-24 | 트리케톤 유도체 |
EP19970949227 EP1043323A4 (en) | 1997-12-24 | 1997-12-24 | Triketone DERIVATIVES |
US09/581,231 US6316390B1 (en) | 1997-12-24 | 1997-12-24 | Triketone derivatives |
CA002316390A CA2316390A1 (en) | 1997-12-24 | 1997-12-24 | Triketone derivatives |
EA200000710A EA002310B1 (ru) | 1997-12-24 | 1997-12-24 | Производные трикетона |
AU41190/99A AU742879B2 (en) | 1997-12-24 | 1997-12-24 | Triketone derivatives |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1997/004797 WO1999033820A1 (fr) | 1997-12-24 | 1997-12-24 | Derives de la tricetone |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999033820A1 true WO1999033820A1 (fr) | 1999-07-08 |
Family
ID=14181746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1997/004797 WO1999033820A1 (fr) | 1997-12-24 | 1997-12-24 | Derives de la tricetone |
Country Status (7)
Country | Link |
---|---|
US (1) | US6316390B1 (ja) |
EP (1) | EP1043323A4 (ja) |
KR (1) | KR20010015892A (ja) |
AU (1) | AU742879B2 (ja) |
CA (1) | CA2316390A1 (ja) |
EA (1) | EA002310B1 (ja) |
WO (1) | WO1999033820A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000078146A1 (fr) * | 1999-06-23 | 2000-12-28 | Idemitsu Kosan Co., Ltd. | Derives tricetone et herbicides pour rizieres |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10045131A1 (de) * | 2000-09-13 | 2002-03-21 | Basf Ag | Verfahren zur Herstellung eines Cyclohexenonoximether-Lithiumsalzes, damit erhältliche Produkte, deren Verwendung sowie entsprechende Pflanzenschutzmittel |
US7501544B2 (en) * | 2004-04-30 | 2009-03-10 | Syngenta Crop Protection, Inc. | Process for the production of cyclic diketones |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0820573A (ja) * | 1994-02-07 | 1996-01-23 | Basf Ag | 2−アロイルシクロヘキサンジオンならびにその除草剤または植物成長調節剤としての使用方法 |
JPH08245618A (ja) * | 1995-03-08 | 1996-09-24 | Nippon Soda Co Ltd | 置換ビシクロヘプタンジオン誘導体および除草剤 |
WO1997001550A1 (en) * | 1995-06-29 | 1997-01-16 | E.I. Du Pont De Nemours And Company | Herbicidal ketals and spirocycles |
JPH0925279A (ja) * | 1995-07-12 | 1997-01-28 | Idemitsu Kosan Co Ltd | トリケトン誘導体 |
WO1997019087A1 (en) * | 1995-11-17 | 1997-05-29 | E.I. Du Pont De Nemours And Company | Tricyclic herbicidal heterocycles |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994004524A1 (en) * | 1992-08-18 | 1994-03-03 | Idemitsu Kosan Co., Ltd. | Cyclohexanedione derivative |
AU5118693A (en) * | 1992-10-15 | 1994-05-09 | Idemitsu Kosan Co. Ltd | Cyclohexanedione derivative |
US5607898A (en) | 1993-08-02 | 1997-03-04 | Idemitsu Kosan Company, Ltd. | Pyrazole derivatives |
AU6777896A (en) | 1995-08-25 | 1997-03-19 | E.I. Du Pont De Nemours And Company | Bicyclic herbicides |
US5801121A (en) * | 1996-12-27 | 1998-09-01 | Idemitsu Kosan Co., Ltd. | Cyclohexanedione derivatives and herbicide containing them |
US5990049A (en) * | 1997-12-19 | 1999-11-23 | Idemitsu Kosan Co., Ltd. | Triketone derivatives |
-
1997
- 1997-12-24 AU AU41190/99A patent/AU742879B2/en not_active Ceased
- 1997-12-24 KR KR1020007007036A patent/KR20010015892A/ko not_active Application Discontinuation
- 1997-12-24 EA EA200000710A patent/EA002310B1/ru not_active IP Right Cessation
- 1997-12-24 WO PCT/JP1997/004797 patent/WO1999033820A1/ja not_active Application Discontinuation
- 1997-12-24 EP EP19970949227 patent/EP1043323A4/en not_active Withdrawn
- 1997-12-24 CA CA002316390A patent/CA2316390A1/en not_active Abandoned
- 1997-12-24 US US09/581,231 patent/US6316390B1/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0820573A (ja) * | 1994-02-07 | 1996-01-23 | Basf Ag | 2−アロイルシクロヘキサンジオンならびにその除草剤または植物成長調節剤としての使用方法 |
JPH08245618A (ja) * | 1995-03-08 | 1996-09-24 | Nippon Soda Co Ltd | 置換ビシクロヘプタンジオン誘導体および除草剤 |
WO1997001550A1 (en) * | 1995-06-29 | 1997-01-16 | E.I. Du Pont De Nemours And Company | Herbicidal ketals and spirocycles |
JPH0925279A (ja) * | 1995-07-12 | 1997-01-28 | Idemitsu Kosan Co Ltd | トリケトン誘導体 |
WO1997019087A1 (en) * | 1995-11-17 | 1997-05-29 | E.I. Du Pont De Nemours And Company | Tricyclic herbicidal heterocycles |
Non-Patent Citations (1)
Title |
---|
See also references of EP1043323A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000078146A1 (fr) * | 1999-06-23 | 2000-12-28 | Idemitsu Kosan Co., Ltd. | Derives tricetone et herbicides pour rizieres |
Also Published As
Publication number | Publication date |
---|---|
AU742879B2 (en) | 2002-01-17 |
EP1043323A4 (en) | 2002-10-17 |
AU4119099A (en) | 1999-07-19 |
CA2316390A1 (en) | 1999-07-08 |
KR20010015892A (ko) | 2001-02-26 |
EP1043323A1 (en) | 2000-10-11 |
EA002310B1 (ru) | 2002-02-28 |
EA200000710A1 (ru) | 2000-12-25 |
US6316390B1 (en) | 2001-11-13 |
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