EP0988287A1 - Procede de preparation de derives de nitroguanidine - Google Patents
Procede de preparation de derives de nitroguanidineInfo
- Publication number
- EP0988287A1 EP0988287A1 EP98934916A EP98934916A EP0988287A1 EP 0988287 A1 EP0988287 A1 EP 0988287A1 EP 98934916 A EP98934916 A EP 98934916A EP 98934916 A EP98934916 A EP 98934916A EP 0988287 A1 EP0988287 A1 EP 0988287A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- formula
- alkyl
- compound
- preparation
- cyclopropyl
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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
- C07D213/61—Halogen atoms or nitro radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/89—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members with hetero atoms directly attached to the ring nitrogen atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
- C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D277/22—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
- C07D277/28—Radicals substituted by nitrogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D307/10—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/14—Radicals substituted by nitrogen atoms not forming part of a nitro radical
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/06—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
Definitions
- the invention relates to a method for producing a compound of the formula
- R hydrogen or -CC 4 alkyl
- R 2 is hydrogen, -CC 6 alkyl, C 3 -C 6 cycloalkyl or a radical -CH 2 B;
- A is an unsubstituted or - depending on the possibilities of substitution of the ring system - one to five times with substituents selected from the group consisting of halogen, C 1 -C 3 -alkyl, d-Cs-alkoxy, halogen-C C3-alkyl, C 1 -C 3 - Haiogenalkoxy, cyclopropyl propyl, halogenocyclopropyl, C 2 -C 3 alkenyl, C 2 -C 3 alkynyl, C 2 -C 3 haloalkenyl and C 2 - C 3 haloalkynyl, CrC 3 alkylthio, -C 3 haloalkylthio, Allyloxy, propargyloxy, allylthio, propargylthio, haiogenallyloxy, haloallylthio, cyano and nitro-substituted aromatic or non-aromatic, monocyclic or bicyclic heterocycl
- B phenyl, 3-pyridyl or thiazolyl, which are optionally substituted by one to three substituents from the group consisting of CrC alkyl, CrC 3 haloalkyl, cyclopropyl, halocyclopropyl, C 2 -C 3 alkenyl, C 2 -C 3 alkynyl, d-Cs-alkoxy, C 2 -C 3 haloalkenyl, C 2 -C 3 haloalkynyl, CrC 3 -Halogenaikoxy, C Cs alkylthio, C Cs haloalkylthio, allyloxy, propargyloxy, allylthio, propargylthio, Haiogenallyloxy, haloallylthio, halogen , Cyano and nitro are substituted; and optionally their possible E / Z isomers, E / Z isomer mixtures and / or tautomers, in each case in
- R 1 f R 2 and A have the same meaning as indicated in formula (I) and
- R 3 is unsubstituted or substituted C ⁇ C 0 alkyl, C 3 -C 6 cycloalkyl, phenyl or benzyl; characterized in that the reaction is carried out at a pH between 7 and 14.
- the compounds of formula (I) can exist as E / Z isomers, e.g. B. in the following two isomeric forms
- the compounds of formula (I) and optionally their E / Z isomers and tautomers can be present as salts.
- Compounds of formula (I) which have at least one basic center can e.g. B. Form acid addition salts. These are, for example, with strong inorganic acids such as mineral acids, e.g. B. sulfuric acid, a phosphoric acid or a hydrohalic acid, with strong organic carboxylic acids, such as, if necessary, for. B. by halogen, substituted -CC 4 alkane carboxylic acids, for. B. acetic acid, such as unsaturated dicarboxylic acids, e.g. B.
- oxalic, malonic, maleic, fumaric or phthalic acid such as hydroxycarboxylic acids, e.g. B. ascorbic, milk, apple, wine or citric acid, or like benzoic acid, or with organic sulfonic acids, such as optionally, e.g. B. by halogen, substituted CC alkane or aryl sulfonic acids, for. B. methane or p-toluenesulfonic acid.
- Salts of compounds of formula (I) with acids of the type mentioned are preferably obtained in the working up of the reaction mixtures.
- compounds of the formula (I) with at least one acidic group can form salts with bases.
- Suitable salts with bases are, for example, metal salts such as alkali or alkaline earth metal salts, e.g. As sodium, potassium or magnesium salts, or salts with ammonia or an organic amine, such as morpholine, piperidine, pyrrolidine, a mono-, di- or tri-lower alkylamine, e.g. B. ethyl, diethyl, triethyl or dimethyl propyl amine, or a mono-, di- or trihydroxy-lower alkylamine, e.g. B. mono-, di- or triethanolamine.
- Corresponding internal salts can optionally also be formed.
- halogen atoms which are suitable as substituents are both fluorine and chlorine and also bromine and iodine, fluorine, chlorine and bromine, especially chlorine, being preferred.
- Halogen is to be understood as an independent substituent or as part of a substituent, as in haloalkyl, haloalkylthio, haloalkoxy, halocycloalkyl, haloalkenyl, haloalkynyl, haiogenallyloxy or haloallylthio.
- the alkyl, alkylthio, alkenyl, alkynyl and alkoxy radicals which are suitable as substituents can be straight-chain or branched.
- alkyls examples are methyl, ethyl, propyl, isopropyl, butyl, i-butyl, sec-butyl or tert-butyl.
- Suitable alkoxy radicals include: methoxy, ethoxy, propoxy, isopropoxy or butoxy and their isomers.
- Alkylthio stands for example for methylthio, ethylthio, isopropylthio, propylthio or the isomeric butylthio. If the alkyl, alkoxy, alkenyl, alkynyl or cycloalkyl groups which are suitable as substituents are substituted by halogen, they can only be partially or also perhalogenated.
- alkyl elements of these Groups are methyl which is mono- to trisubstituted by fluorine, chlorine and / or bromine, for example CHF 2 or CF 3 ; the one to five times substituted by fluorine, chlorine and / or bromine ethyl such as CH 2 CF 3 , CF 2 CF 3 , CF 2 CCI 3 , CF 2 CHCI 2 , CF 2 CHF 2 .
- alkyl, alkoxy or cycloalkyl groups are substituted by other substituents, they can be substituted one or more times by the same or different of the substituents listed.
- One or two further substituents are preferably present in the substituted groups.
- the cycloalkyl radicals which are suitable as substituents are, for example, cyclopropyl, cyclobutyl, cyclopentyl or cyclohexyl.
- Alkenyl and alkynyl groups contain an unsaturated carbon-carbon bond. Typical representatives are allyl, methallyl or propargyl, but also vinyl and ethynyl. The double or triple bonds in allyloxy, propargyloxy, allylthio or propargylthio are preferably separated from the point of attachment to the heteroatom (O or S) by a saturated carbon atom.
- EP-A-0.483.062 describes a process for the preparation of the compounds of the formula (I), in which a compound of the above formula (II) is hydrolyzed.
- the hydrolysis process according to the invention is preferably carried out at a pH greater than 7 to 12, particularly 8 to 12, in particular 8 to 10, likewise preferably 7 to 10; carried out under normal pressure and at a temperature of 0 to 120 ° C, preferably 20 to 80 ° C.
- the reaction is carried out in a solvent or diluent which is inert to the reactants.
- solvents are alcohols, such as methanol, ethanol, propanol and isopropanol, and especially water.
- suitable solvents are e.g. Ethers such as tetrahydrofuran and dioxane, as well as other solvents that do not affect the reaction.
- the solvents can also be used as mixtures.
- a compound of formula (II) is preferably hydrolyzed in an aqueous medium or a mixture of water with an alcohol.
- Suitable bases for carrying out the process are preferably hydroxides of alkali and alkaline earth metals, such as NaOH and KOH; Carbonates such as Na 2 CO 3 , NaHCO 3 , K 2 CO 3 ; Phosphates such as Na 3 PO, Na 2 HPO 4 , alcoholates such as sodium methoxide, sodium ethoxide and K-tert-butoxide, organic amines such as morpholine, piperidine, pyrrolidine, a mono-, di- or tri-lower alkylamine, e.g. B. ethyl, diethyl, triethyl or dimethyl propyl amine, or a mono-, di- or trihydroxy-lower alkylamine, e.g.
- B mono-, di- or triethanolamine, or dialkylaniline, such as N, N-dimethyl or N, N-diethylaniline; as well as salts of organic acids such as sodium acetate, potassium acetate or sodium benzoate; or mixtures thereof, such as acetate or phosphate buffers.
- the process according to the invention is preferably used to prepare compounds of the formula (I) in which the heterocyclic radical A is unsaturated and is bonded to the base body via a carbon atom as a ring member.
- Particularly preferred radicals A are pyridyl, Thiazolyl, tetrahydrofuranyl, dihydrofuranyl, furanyl, N-oxidopyridinio, oxazolyl, isoxazolyl, thienyl, morpholinyl, piperidinyl, pyridinyl and pyrazinyl; very particularly pyridyl, thiazolyl, tetrahydrofuranyl and N-oxidopyridinio, especially 3-pyridyl, 2-halopyrid-5-yl, 2,3-dihalopyrid-5-yl, 2-halothiazol-5-yl, tetrahydrofuran-3-yl , 5-methyl-tetrahydrofuran-3-
- the heterocycles A carry from one to three substituents from the group halogen, CC 3 alkyl, -C 3 haloalkyl and -C 3 haloalkoxy, each with 1 to 7 halogen atoms, and dC 3 alkoxy.
- radical B represents a phenyl, pyridyl or thiazolyl, which is unsubstituted or substituted by a 3 haloalkyl or two radicals from the group halogen, -C 3 alkyl, CrC and CrC 3 -Halogenalkoxy with 1 to 7 halogen atoms and CrC 3 -alkoxy may be substituted.
- R 1 is hydrogen
- R 2 is hydrogen, methyl, ethyl or cyclopropyl
- A are pyridyl, 1 -oxopyridyl, tetrahydrofuranyl, thiazolyl or in each case by one to three substituents from the group halogen , C r C 3 -alkyl, C 3 haloalkyl and C 1 -C 3 - mean halogenoalkoxy having 1 to 7 halogen atoms, and dC 3 alkoxy substituted pyridyl, 1-oxidopyridinio, thiazolyl or tetrahydrofuranyl.
- Ri is hydrogen
- R 2 is hydrogen, CrC 3 alkyl or cyclopropyl, especially methyl
- A is 2-chloropyrid-5-yl, tetrahydrofuran-3-yl, 5-methyl-tetrahydrofuran-3-yl or 2-chlorothiazol-5-yl
- R 3 is C 1 -C 3 -alkyl, cyclopropyl, cyclohexyl, phenyl or benzyl.
- formula (II) come as substituents for the radical R 3 in particular halogen, dC 4 - alkyl, halo -CC alkyl, nitro, -C -alkoxy and halogen-dC 4 alkoxy in question.
- the compounds of the formula (I) prepared according to the invention are valuable active ingredients in pest control, while being well tolerated by warm-blooded animals, fish and plants.
- the compounds of the formula (I) are suitable for controlling insects and arachnids which are found in useful and ornamental plants in agriculture, in particular re in cotton, vegetable and fruit plantations, in the forest, in the protection of stored goods and materials as well as in the hygiene sector, particularly in domestic and farm animals.
- the compounds are particularly effective against sucking insect pests, especially against aphids and cicadas.
- Substituted pesticidal 2-nitroguanidines of the type which can be prepared according to the invention are described, for example, in EP patent applications 376.279, 375.907 and 383.091.
- R 4 halogen, dC 3 alkyl, dC 3 alkoxy, halogen-CrC alkyl, dC 3 haloalkoxy, cyclopropyl, halocyclopropyl, C 2 -C 3 alkenyl, C 2 -C 3 alkynyl, C 2 -C 3 -Halogenalkenyl and C 2 -C 3 -haloalkynyl, dC 3 -alkylthio, C ⁇ -C 3 -haloalkylthio, allyloxy, propargyloxy, allylthio, propargylthio, Haiogenallyloxy, haloallylthio, cyano and nitro, preferably dC 3 -alkyl, and n , 2 or 3, preferably 0 or 1; and optionally their possible E / Z isomers, E / Z isomer mixtures and / or tautomers, in each case in free form or in salt
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
- Thiazole And Isothizaole Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyridine Compounds (AREA)
Abstract
L'invention concerne un procédé de préparation de composés de la formule (I) dans laquelle R1 désigne hydrogène ou alkyle C1-C4; R2 désigne hydrogène, alkyle C1-C4, cycloalkyle C3-C6 ou un reste -CH2B; A désigne un reste hétérocyclique monocyclique ou bicyclique, aromatique ou non aromatique, non substitué ou substitué entre une et cinq fois; et B désigne phényle, 3-pyridyle ou thiazolyle, qui sont éventuellement substitués par un à trois substituants; par hydrolyse d'un composé de la formule (II), dans laquelle R1, R2 et A ont la signification mentionnée dans la formule (I) et R3 désigne alkyle C1-C10 non substitué ou substitué, cycloalkyle C3-C6, phényle ou benzyle. Ce procédé se caractérise en ce que la réaction est effectuée à un pH compris entre 7 et 14. L'invention concerne également des produits de départ nécessaires pour mettre ledit procédé en oeuvre. Les composés de la formule (I) s'utilisent comme produits intermédiaires pour préparer des mélanges pesticides.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH142397 | 1997-06-09 | ||
CH142397 | 1997-06-09 | ||
PCT/EP1998/003358 WO1998056764A1 (fr) | 1997-06-09 | 1998-06-05 | Procede de preparation de derives de nitroguanidine |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0988287A1 true EP0988287A1 (fr) | 2000-03-29 |
Family
ID=4210115
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98934916A Withdrawn EP0988287A1 (fr) | 1997-06-09 | 1998-06-05 | Procede de preparation de derives de nitroguanidine |
Country Status (14)
Country | Link |
---|---|
US (1) | US6252072B1 (fr) |
EP (1) | EP0988287A1 (fr) |
JP (1) | JP2002505669A (fr) |
KR (1) | KR20010013567A (fr) |
CN (1) | CN1259936A (fr) |
AU (1) | AU735515B2 (fr) |
BR (1) | BR9809986A (fr) |
CA (1) | CA2293681A1 (fr) |
HU (1) | HUP0003024A3 (fr) |
ID (1) | ID23019A (fr) |
IL (1) | IL133346A0 (fr) |
PL (1) | PL337228A1 (fr) |
RU (1) | RU2194039C2 (fr) |
WO (1) | WO1998056764A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19806469A1 (de) * | 1998-02-17 | 1999-08-19 | Bayer Ag | Verfahren zur Herstellung von 1,3-disubstituierten 2-Nitroguanidinen |
US6518433B1 (en) | 1998-03-19 | 2003-02-11 | Syngenta Crop Protection, Inc. | Process for the preparation of nitroguanidine derivatives |
WO2006089426A1 (fr) | 2005-02-28 | 2006-08-31 | Robarts Research Institute | Systeme et procede pour la realisation d'une biopsie d'un volume cible et dispositif informatique pour sa planification |
CN108610300A (zh) * | 2016-12-10 | 2018-10-02 | 海利尔药业集团股份有限公司 | 一种制备噻虫胺的方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW198724B (fr) | 1990-10-24 | 1993-01-21 | Ciba Geigy Ag | |
JP2766848B2 (ja) * | 1993-10-26 | 1998-06-18 | 三井化学株式会社 | フラニル系殺虫剤 |
JP3258502B2 (ja) | 1993-10-26 | 2002-02-18 | 三井化学株式会社 | 殺虫性テトラヒドロフラン誘導体 |
JP3387723B2 (ja) * | 1996-02-27 | 2003-03-17 | 三井化学株式会社 | 2−ニトロイミノヘキサヒドロ−1,3,5−トリアジン類の製造法 |
-
1998
- 1998-06-05 US US09/445,608 patent/US6252072B1/en not_active Expired - Fee Related
- 1998-06-05 PL PL98337228A patent/PL337228A1/xx not_active Application Discontinuation
- 1998-06-05 IL IL13334698A patent/IL133346A0/xx unknown
- 1998-06-05 HU HU0003024A patent/HUP0003024A3/hu not_active Application Discontinuation
- 1998-06-05 WO PCT/EP1998/003358 patent/WO1998056764A1/fr not_active Application Discontinuation
- 1998-06-05 JP JP50152899A patent/JP2002505669A/ja active Pending
- 1998-06-05 KR KR19997011574A patent/KR20010013567A/fr not_active Application Discontinuation
- 1998-06-05 EP EP98934916A patent/EP0988287A1/fr not_active Withdrawn
- 1998-06-05 BR BR9809986-8A patent/BR9809986A/pt not_active IP Right Cessation
- 1998-06-05 CN CN98806002A patent/CN1259936A/zh active Pending
- 1998-06-05 RU RU2000100281/04A patent/RU2194039C2/ru not_active IP Right Cessation
- 1998-06-05 AU AU84362/98A patent/AU735515B2/en not_active Ceased
- 1998-06-05 ID IDW991531A patent/ID23019A/id unknown
- 1998-06-05 CA CA002293681A patent/CA2293681A1/fr not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO9856764A1 * |
Also Published As
Publication number | Publication date |
---|---|
HUP0003024A3 (en) | 2002-01-28 |
US6252072B1 (en) | 2001-06-26 |
RU2194039C2 (ru) | 2002-12-10 |
AU8436298A (en) | 1998-12-30 |
WO1998056764A1 (fr) | 1998-12-17 |
BR9809986A (pt) | 2000-08-01 |
PL337228A1 (en) | 2000-08-14 |
KR20010013567A (fr) | 2001-02-26 |
JP2002505669A (ja) | 2002-02-19 |
CA2293681A1 (fr) | 1998-12-17 |
IL133346A0 (en) | 2001-04-30 |
HUP0003024A2 (hu) | 2001-01-29 |
ID23019A (id) | 1999-12-30 |
CN1259936A (zh) | 2000-07-12 |
AU735515B2 (en) | 2001-07-12 |
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