WO1998040366A1 - Saccharin-5-carbonyl-cyclohexan-1,3,5-trionderivate, deren herstellung und deren verwendung als herbizide - Google Patents
Saccharin-5-carbonyl-cyclohexan-1,3,5-trionderivate, deren herstellung und deren verwendung als herbizide Download PDFInfo
- Publication number
- WO1998040366A1 WO1998040366A1 PCT/EP1998/000926 EP9800926W WO9840366A1 WO 1998040366 A1 WO1998040366 A1 WO 1998040366A1 EP 9800926 W EP9800926 W EP 9800926W WO 9840366 A1 WO9840366 A1 WO 9840366A1
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- WIPO (PCT)
- Prior art keywords
- methyl
- alkyl
- formula
- derivatives
- ethyl
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D275/00—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings
- C07D275/04—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings condensed with carbocyclic rings or ring systems
- C07D275/06—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings condensed with carbocyclic rings or ring systems with hetero atoms directly attached to the ring sulfur atom
-
- 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
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
Definitions
- the present application relates to saccharin-5-carbonyl-cyclohexane-1, 3, 5-trione derivatives of the formula I.
- the invention further relates to herbicidal compositions comprising the compounds I and processes for controlling unwanted vegetation using the saccharin derivatives I. 5
- EP-A 252 298 describes herbicidal benzoyl-1, 3, 5 -cyclohexanetrione, which, however, have no saccharin structure.
- saccharin derivatives as fungicides, for example JP publications 72/00419 and 73/35457 and in pharmacy, for example EP-A 594 257. 5
- the herbicidal properties of the known compounds and the compatibility with crop plants can only satisfy to a limited extent.
- the task was to find new saccharin derivatives with improved properties.
- the first step of the reaction sequence in Scheme 1 is carried out by adding acid chloride III to the solution or suspension of cyclohexane-1, 3, 5-trione II in the presence of an auxiliary base.
- the reactants and the auxiliary base are preferably used in equimolar amounts, but a slight excess of 1.2 to 1.5 molar equivalents of the auxiliary base can be advantageous.
- Methylene chloride, tetrahydrofuran, ethyl acetate, toluene or preferably acetonitrile can be used as the solvent.
- Alkali carbonates, pyridine or tertiary alkylamines, preferably triethylamine, are suitable as auxiliary bases.
- the reaction mixture is preferably cooled to 0 to 10 ° C, then the mixture is stirred at a temperature of 20 to 70 ° C, in particular 25 to 40 ° C, until the reaction has ended.
- the enol ester IV can be isolated before the rearrangement, but the reaction is preferably carried out in such a way that two to four, preferably 2.5 equivalents of triethylamine are added to the reaction mixture and then 2 to 10, in particular 3 mol% at 25 ° C. a cyano compound such as acetone cyanohydrin or preferably trimethylsilyl cyanide and then stirring at a temperature of 20 to 40 ° C, preferably at 25 ° C until the enol ester IV is no longer present.
- a cyano compound such as acetone cyanohydrin or preferably trimethylsilyl cyanide
- the reaction mixture is worked up by acidifying the reaction mixture with 5% hydrochloric acid or sulfuric acid and then extracting it with a solvent such as ethyl acetate or methylene chloride. After drying the extract over sodium sulfate or magnesium sulfate, the solvent is distilled off in vacuo and, if necessary, the crude product is subjected to purification.
- the reaction product can, for example, be chromatographed (silica gel, cyclohexane / ethyl acetate) or recrystallized (methanol / water or glacial acetic acid / water).
- Another cleaning method is the extraction of an ethyl acetate solution of the crude product with an aqueous alkali carbonate solution, the end product passing into the aqueous phase. Acidification of the aqueous solution and renewed extraction provides the final product in purer form after drying and removal of the solvent.
- cyclohexane-1, 3, 5-triones of the formula II used as starting material are known and can be prepared in a manner known per se [cf. Spitzer, monthly issues of chemistry 1JL, 104 (1890), Riedl et al. , Liebigs Ann. Chem. 5_85., 209 (1954) and
- the acid chlorides of the formula III used as starting material are also known. They are obtained by reacting a suitably substituted saccharin-5-carboxylic acid with thionyl chloride. The synthesis of substituted saccharin-5-carboxylic acids is e.g. described in DE 44 27 996.
- Alkyl straight-chain or branched alkyl groups with 1 to 4 carbon atoms, for example C 1 -C 4 -alkyl such as methyl, ethyl, propyl, 1-methylethyl, butyl, 1-methyl-propyl, 2-methylpropyl and 1, 1-dimethylethyl;
- Alkoxy straight-chain or branched alkyl groups with 1 to 3 carbon atoms as mentioned above, which are bonded to the skeleton via an oxygen atom (-0-), for example C 1 -C 3 -alkoxy such as methyloxy, ethyloxy, propyloxy and 1-methylethyloxy;
- Cvcloalkyl monocyclic alkyl groups with 3 to 8 carbon ring members, e.g. Cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl and cyclooctyl;
- Alkenyl straight-chain or branched alkenyl groups with 2 to 6 carbon atoms and a double bond in any position, for example C 2 -C 6 alkenyl such as ethenyl, 1-propenyl, 2-propenyl, 1-methylethenyl, 1-butenyl, 2-butenyl, 3-butenyl, 1-methyl-l-propenyl, 2-methyl-l-propenyl, l-methyl-2-propenyl, 2-methyl-2-propenyl, 1-pentenyl, 2-pentenyl, 3-pentenyl, 4- Pentenyl, 1-methyl-1-butenyl, 2-methyl-1-butenyl, 3-methyl-1-butenyl, 1-methyl-2-butenyl, 2-methyl-2-butenyl, 3-methyl-2-butenyl, l-methyl-3-butenyl, 2-methyl-3-butenyl, 3-methyl-3-butenyl, 1, l-dimethyl-2-propenyl, 1,
- Alkynyl straight-chain or branched alkynyl groups with 3 to 5 carbon atoms and a triple bond in any position, for example C 3 -Cs-alkynyl such as 2-propynyl, 2-butynyl, 3-butynyl, l-methyl-2-propynyl, 2-pentynyl, 3rd Pentynyl, 4-pentynyl, l-methyl-2-butynyl, l-methyl-3-butynyl, 2-methyl-3-butynyl, 1, 1-dimethyl-2-propynyl and l-ethyl-2-propynyl;
- C 3 -Cs-alkynyl such as 2-propynyl, 2-butynyl, 3-butynyl, l-methyl-2-propynyl, 2-pentynyl, 3rd Pentynyl, 4-pentynyl, l-methyl-2-but
- Halogen fluorine, chlorine, bromine and iodine.
- saccharin-5-carbonyl-cyclohexane-1,3,5-trione derivatives of the formula I are preferred, in which the substituents have the following meaning:
- L methyl, ethyl, methoxy or ethoxy; further preferably methyl and methoxy and particularly preferably methyl;
- Benzyl particularly preferably methyl, ethyl and phenyl and very particularly preferably methyl
- M is hydrogen, methyl, ethyl, methoxy, ethoxy, fluorine, chlorine, cyano, nitro and trifluoromethyl; further preferably hydrogen, methyl, ethyl, methoxy and chlorine; particularly preferably hydrogen, methyl and chlorine;
- R 1 , R 2 , R 3 , R 4 are methyl, ethyl, n-propyl, n-butyl; further preferably methyl and ethyl; particularly preferably methyl.
- the combinations of the abovementioned preferred substituents are also preferred.
- M represents hydrogen, methyl or chlorine.
- the compounds I can be in the form of their agriculturally useful salts, the type of salt generally not being important. Usually the salts of such bases will be considered which do not adversely affect the herbicidal activity of I.
- Particularly suitable as basic salts are those of the alkali metals, preferably the sodium and potassium salts, those of the alkaline earth metals, preferably calcium, magnesium and barium salts and those of the transition metals, preferably manganese, copper, zinc and iron salts and also Ammonium salts, which can carry one to three -CC 4 alkyl, hydroxy -CC 4 -alkyl substituents and / or a phenyl or benzyl substituent, preferably
- the compounds I and their agriculturally useful salts are suitable - both as isomer mixtures and in the form of the pure isomers - as herbicides.
- the herbicidal compositions containing I control vegetation very well on non-cultivated areas, particularly when high amounts are applied. In crops such as wheat, rice, corn, soybeans and cotton, they act against weeds and grass weeds without significantly damaging the crop plants. This effect occurs especially at low application rates.
- the compounds I or compositions containing them can also be used in a further number of crop plants for eliminating undesired plants.
- the following crops are considered, for example: Allium cepa, Ananas comosus, Arachis hypogaea, Asparagus officinalis, Beta vulgaris spec. altissima, Beta vulgaris spec. rapa, Brassica napus var. napus, Brassica napus var. napobrassica, Brassica rapa var.
- Manihot esculenta Manihot esculenta, Medicago sativa, Musa spec, Nicotiana tabacum (N. rustica), Olea europaea, Oryza sativa, Phaseolus lunatus, Phaseolus vulgaris, Picea abies, Pinus spec, Pisum sativum, Prunus avium, Prunus persica, Pyrus communis, Ribes sylestre, Ricinus communis, Saccharum officinarum, Seeale cereale, Solanum tuberosum, Sorghum bicolor (see vulgar), Theobroma cacao, Trifolium pratense, Triticum aestivum, Triticum durum, Vicia faba, Vitis vinifera, Zea mays.
- the compounds I can also be used in crops which are tolerant to the action of herbicides by breeding, including genetic engineering methods.
- the herbicidal compositions or the active compounds can be applied pre- or post-emergence. If the active ingredients are less compatible with certain crop plants, application techniques can be used in which the herbicidal compositions are sprayed with the aid of sprayers in such a way that the leaves of the sensitive crop plants are not hit as far as possible, while the active ingredients are applied to the leaves of undesirable plants growing below them or the uncovered floor area (post-directed, lay-by).
- the compounds I or the herbicidal compositions comprising them can be sprayed or atomized, for example in the form of directly sprayable aqueous solutions, powders, suspensions, including high-strength aqueous, oily or other suspensions or dispersions, emulsions, old-dispersions, pastes, dusts, sprays or granules , Dusting, scattering or pouring.
- the application forms depend on the purposes; in any case, they should ensure the finest possible distribution of the active compounds according to the invention.
- mineral oil fractions of medium to high boiling point such as kerosene or diesel oil, also coal tar oils and oils of vegetable or animal origin, aliphatic, cyclic and aromatic hydrocarbons, for example paraffin, tetrahydronaphthalene, alkylated naphthalenes or their Derivatives, alkylated benzenes or their derivatives, alcohols such as methanol, ethanol, propanol, butanol, cyclohexanol, ketones such as cyclohexanone or strongly polar ⁇ solvents, e.g. B. amines such as N-methylpyrrolidone or water.
- Aqueous use forms can be prepared from emulsion concentrates, suspensions, pastes, wettable powders or water-dispersible granules by adding water.
- the compounds I as such or dissolved in an oil or solvent can be homogenized in water by means of wetting agents, adhesives, dispersants or emulsifiers.
- concentrates consisting of an active substance, wetting agent, tackifier, dispersant or emulsifier and possibly solvent or oil, which are suitable for dilution with water.
- alkali, alkaline earth, ammonium salts of aromatic sulfonic acids e.g. Lignin, phenol, naphthalene and dibutylnaphthalenesulfonic acid, as well as of fatty acids, alkyl and alkylarylsulfonates, alkyl, lauryl ether and fatty alcohol sulfates, as well as salts of sulfated hexa-, hepta- and octadecanols as well as of fatty alcohol glycol ethers, condensation products of sulfonated naphthalene and its derivatives Formaldehyde, condensation products of naphthalene or naphthalenesulfonic acids with phenol and formaldehyde, polyoxyethylene octylphenol ether, ethoxylated isooctyl, octyl or nonylphenol, alkylphenyl, tributylpheny
- Powders, materials for broadcasting and dusts can be prepared by mixing or grinding the active substances together with a solid carrier.
- Granules for example coated granules, impregnated granules and homogeneous granules, can be produced by binding the active ingredients to solid carriers.
- Solid carriers are mineral soils such as silicas, silica gels, silicates, talc, kaolin, limestone, lime, chalk, bolus, loess, clay, dolomite, diatomaceous earth, calcium and Magnesium sulfate, magnesium oxide, ground plastics, fertilizers such as ammonium sulfate, ammonium phosphate, ammonium nitrate, ureas and vegetable products such as cereal flour, tree bark, wood and nutshell flour, cellulose powder or other solid carriers.
- the concentrations of the active ingredients I in the ready-to-use preparations can be varied over a wide range.
- the * "" formulations in general contain from 0.001 to 98 wt .-%, preferably 0.01 to 95 wt .-% of at least one active ingredient.
- the active ingredients are used in a purity of 90% to 100%, preferably 95% to 100% (according to the NMR spectrum).
- the compounds I according to the invention can be formulated, for example, as follows:
- I 20 parts by weight of compound no. 1.1 are dissolved in a mixture consisting of 80 parts by weight of alkylated benzene, 10 parts by weight of the adduct of 8 to 10 mol of ethylene oxide and 1 mol of oleic acid-N-monoethanolamide, 5 parts by weight of calcium salt of dodecylbenzenesulfonic acid and 5 parts by weight of the adduct of 40 moles of ethylene oxide to 1 mole of castor oil.
- aqueous dispersion is obtained which contains 0.02% by weight of the active ingredient.
- 1.1 are mixed well with 3 parts by weight of the sodium salt of diisobutylnaphthalenesulfonic acid, 17 parts by weight of the sodium salt of lignosulfonic acid from a sulfite waste liquor and 60 parts by weight of powdered silica gel and ground in a hammer mill.
- a spray liquor is obtained which contains 0.1% by weight of the active ingredient.
- V 3 parts by weight of active ingredient No. 1.1 are 97
- Wettol® EM 31 non-ionic emulsifier based on ethoxylated castor oil. A stable emulsion concentrate is obtained.
- the compounds I can be mixed with numerous representatives of other herbicidal or growth-regulating active compound groups and applied together.
- 1, 2, 4-thiadiazoles, 1, 3, 4-thiadiazoles, amides, aminophosphoric acid and their derivatives, aminotriazoles, anilides, (het) -aryloxyalkanoic acid and their derivatives, benzoic acid and their derivatives, benzothiadiazinones, 2-aroyl come as mixing partners -l, 3-cyclohexanediones, hetaryl-aryl-ketones, benzylisoxazo-lidinones, meta-CF3-phenyl derivatives, carbamates, quinoline carboxylic acids and their derivatives, chloroacetanilides, cyclohexane-1, 3-dione derivatives, diazines, dichloropropionic acid and their derivatives, dihydrouric acid , Dihydrofuran-3-one
- the active compound application rates are 0.001 to 3.0, preferably 0.01 to 1.0 kg / ha of active substance (see p.)
- the reaction mixture is concentrated to dryness on a rotary evaporator, the residue treated with 30 ml of water, acidified with 5% HC1 to PHL and three times with acetic acid - • »- ethyl acetate. After the extract has been dried over sodium sulfate, the solvent is drawn off on a rotary evaporator, 2.1 g of a solid being obtained. After recrystallization from a mixture of 5 parts of glacial acetic acid and 1 part of water, 0.9 g (43% of theory) of a white solid with mp 210 ° C. is obtained. 5
- Plastic pots with loamy sand with about 3.0% humus served as the culture vessels.
- the seeds of the test plants were sown separately according to species.
- pre-emergence treatment the active ingredients suspended or emulsified in water were applied directly after sowing using finely distributing nozzles.
- the tubes were lightly sprinkled to promote germination and growth, and then covered with clear plastic hoods until the plants had grown. This cover causes the test plants to germinate evenly, provided that this has not been impaired by the active ingredients.
- the application rate for the pre-emergence treatment was 0.5 or 0.25 kg / ha a. S.
- test plants were first grown to a height of 3 to 15 cm, depending on the growth habit, and then treated with the active ingredients suspended or emulsified in water.
- the test plants were either sown directly and grown in the same containers or they were first grown separately as seedlings and transplanted into the test containers a few days before the treatment.
- the plants were kept at temperatures of 10 - 25 ° C or 20 - 35 ° C depending on the species.
- the trial period lasted 2 to 4 weeks. During this time, the plants were cared for and their response to each treatment was evaluated.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
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Abstract
Description
Claims
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98912327A EP0966453B1 (de) | 1997-03-10 | 1998-02-18 | Saccharin-5-carbonyl-cyclohexan-1,3,5-trionderivate, deren herstellung und deren verwendung als herbizide |
US09/380,381 US6083880A (en) | 1997-03-10 | 1998-02-18 | Saccharine-5-carbonyl-cyclohexane-1, 3, 5-trione derivatives, their preparation and their use as herbicides |
AT98912327T ATE245634T1 (de) | 1997-03-10 | 1998-02-18 | Saccharin-5-carbonyl-cyclohexan-1,3,5- trionderivate, deren herstellung und deren verwendung als herbizide |
DE59809082T DE59809082D1 (de) | 1997-03-10 | 1998-02-18 | Saccharin-5-carbonyl-cyclohexan-1,3,5-trionderivate, deren herstellung und deren verwendung als herbizide |
CA002283491A CA2283491A1 (en) | 1997-03-10 | 1998-02-18 | Saccharine-5-carbonyl-cyclohexane-1,3,5-trione derivatives, their preparation and their use as herbicides |
JP53912498A JP2001514635A (ja) | 1997-03-10 | 1998-02-18 | サッカリン−5−カルボニルシクロヘキサン−1,3,5−トリオン誘導体 |
EA199900776A EA002115B1 (ru) | 1997-03-10 | 1998-02-18 | Производные сахарин-5-карбонилциклогексан-1,3,5-трионов |
PL98335740A PL335740A1 (en) | 1997-03-10 | 1998-02-18 | Derivatives of saccharin-5-carbonylcyclohexane-1,3,5-trione |
AU67210/98A AU6721098A (en) | 1997-03-10 | 1998-02-18 | Saccharine-5-carbonyl-cyclohexane-1,3,5-trione derivatives, their preparation and their use as herbicides |
BR9808004-0A BR9808004A (pt) | 1997-03-10 | 1998-02-18 | Derivados de sacarina-5-carbonil-ciclo-hexano-1,3,5-triona, e, composição herbicida. |
NZ337536A NZ337536A (en) | 1997-03-10 | 1998-02-18 | Saccharin-5-carbonyl-cyclohexane-1,3,5-trione derivatives, their preparation and their use as herbicides |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19709697.2 | 1997-03-10 | ||
DE19709697 | 1997-03-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998040366A1 true WO1998040366A1 (de) | 1998-09-17 |
Family
ID=7822776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1998/000926 WO1998040366A1 (de) | 1997-03-10 | 1998-02-18 | Saccharin-5-carbonyl-cyclohexan-1,3,5-trionderivate, deren herstellung und deren verwendung als herbizide |
Country Status (18)
Country | Link |
---|---|
US (1) | US6083880A (de) |
EP (1) | EP0966453B1 (de) |
JP (1) | JP2001514635A (de) |
KR (1) | KR20000076083A (de) |
CN (1) | CN1073093C (de) |
AR (1) | AR011958A1 (de) |
AT (1) | ATE245634T1 (de) |
AU (1) | AU6721098A (de) |
BR (1) | BR9808004A (de) |
CA (1) | CA2283491A1 (de) |
CZ (1) | CZ318399A3 (de) |
DE (1) | DE59809082D1 (de) |
EA (1) | EA002115B1 (de) |
HU (1) | HUP0000957A3 (de) |
NZ (1) | NZ337536A (de) |
PL (1) | PL335740A1 (de) |
WO (1) | WO1998040366A1 (de) |
ZA (1) | ZA981956B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5981758A (en) * | 1998-03-25 | 1999-11-09 | Basf Aktiengesellschaft | Preparation of saccharincarbonyl halides |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0283261A2 (de) * | 1987-03-19 | 1988-09-21 | Zeneca Limited | Herbizide substituierte cyclische Dione |
WO1996005182A2 (de) * | 1994-08-08 | 1996-02-22 | Basf Aktiengesellschaft | Saccharinderivate |
WO1997008164A1 (en) * | 1995-08-25 | 1997-03-06 | E.I. Du Pont De Nemours And Company | Bicyclic herbicides |
DE19532311A1 (de) * | 1995-09-01 | 1997-03-06 | Basf Ag | Benzoylderivate |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NZ220338A (en) * | 1986-06-09 | 1989-09-27 | Stauffer Chemical Co | 2-benzoyl-1,3,5-cyclohexanetrione derivatives and herbicidal compositions |
US5306818A (en) * | 1990-11-01 | 1994-04-26 | Sterling Winthrop Inc. | Tetrahydro 2-saccharinylmerthyl aryl carboxylates |
DE4427996A1 (de) * | 1994-08-08 | 1996-02-15 | Basf Ag | Verfahren zur Herstellung von Saccharincarbonsäuren und -carbonsäureestern |
GB9416902D0 (en) * | 1994-08-20 | 1994-10-12 | Scherer Corp R P | Hydrophilic controlled release device |
-
1998
- 1998-02-18 PL PL98335740A patent/PL335740A1/xx unknown
- 1998-02-18 US US09/380,381 patent/US6083880A/en not_active Expired - Fee Related
- 1998-02-18 AT AT98912327T patent/ATE245634T1/de not_active IP Right Cessation
- 1998-02-18 JP JP53912498A patent/JP2001514635A/ja active Pending
- 1998-02-18 DE DE59809082T patent/DE59809082D1/de not_active Expired - Lifetime
- 1998-02-18 NZ NZ337536A patent/NZ337536A/en unknown
- 1998-02-18 CN CN98803268A patent/CN1073093C/zh not_active Expired - Fee Related
- 1998-02-18 KR KR1019997008171A patent/KR20000076083A/ko not_active Application Discontinuation
- 1998-02-18 HU HU0000957A patent/HUP0000957A3/hu unknown
- 1998-02-18 WO PCT/EP1998/000926 patent/WO1998040366A1/de not_active Application Discontinuation
- 1998-02-18 CZ CZ993183A patent/CZ318399A3/cs unknown
- 1998-02-18 BR BR9808004-0A patent/BR9808004A/pt not_active IP Right Cessation
- 1998-02-18 EA EA199900776A patent/EA002115B1/ru not_active IP Right Cessation
- 1998-02-18 EP EP98912327A patent/EP0966453B1/de not_active Expired - Lifetime
- 1998-02-18 CA CA002283491A patent/CA2283491A1/en not_active Abandoned
- 1998-02-18 AU AU67210/98A patent/AU6721098A/en not_active Abandoned
- 1998-03-09 ZA ZA9801956A patent/ZA981956B/xx unknown
- 1998-03-10 AR ARP980101064A patent/AR011958A1/es not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0283261A2 (de) * | 1987-03-19 | 1988-09-21 | Zeneca Limited | Herbizide substituierte cyclische Dione |
WO1996005182A2 (de) * | 1994-08-08 | 1996-02-22 | Basf Aktiengesellschaft | Saccharinderivate |
WO1997008164A1 (en) * | 1995-08-25 | 1997-03-06 | E.I. Du Pont De Nemours And Company | Bicyclic herbicides |
DE19532311A1 (de) * | 1995-09-01 | 1997-03-06 | Basf Ag | Benzoylderivate |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5981758A (en) * | 1998-03-25 | 1999-11-09 | Basf Aktiengesellschaft | Preparation of saccharincarbonyl halides |
Also Published As
Publication number | Publication date |
---|---|
EA002115B1 (ru) | 2001-12-24 |
HUP0000957A3 (en) | 2001-02-28 |
NZ337536A (en) | 2001-02-23 |
CN1250443A (zh) | 2000-04-12 |
HUP0000957A2 (hu) | 2000-08-28 |
DE59809082D1 (de) | 2003-08-28 |
EA199900776A1 (ru) | 2000-06-26 |
PL335740A1 (en) | 2000-05-08 |
ZA981956B (en) | 1999-09-09 |
AR011958A1 (es) | 2000-09-13 |
CA2283491A1 (en) | 1998-09-17 |
EP0966453A1 (de) | 1999-12-29 |
ATE245634T1 (de) | 2003-08-15 |
EP0966453B1 (de) | 2003-07-23 |
CZ318399A3 (cs) | 1999-12-15 |
CN1073093C (zh) | 2001-10-17 |
BR9808004A (pt) | 2000-03-08 |
AU6721098A (en) | 1998-09-29 |
JP2001514635A (ja) | 2001-09-11 |
KR20000076083A (ko) | 2000-12-26 |
US6083880A (en) | 2000-07-04 |
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