摘要:
The invention relates to a method for producing o-choromethyl benzenecarbonyl chlorides of formula (I), wherein R1-R4 can be the same or different and stand for hydrogen, C1-C4-alkyl, halogen or trifluoromnethyl, by converting benzocondensed lactones of formula (II), wherein R1-R4 have the aforementioned meaning, with gaseous or liquid phosgene and the dimers or trimers thereof. The inventive method is characterized in that the conversion is carried out in the presence of catalytical amounts of a Lewis acid and catalytical amounts of a phosgenation catalyst
摘要:
The invention relates to a method for producing o-chloromethyl benzoic acid chlorides of formula (I), in which R1 to R4 can be the same or different and represent hydrogen C1–C4 alkyl, halogen or trifluoromethyl, by reaction benzo condensed lactones of formula (II), in which R1 to R4 have the above-mentioned meaning, with thionyl chloride. The inventive method is characterized in that the reaction is carried out in the presence of catalytic quantities of a Lewis acid and in the presence of catalytic quantities of a phosphine derivative.
摘要:
A process for preparing o-chloromethylbenzoyl chlorides of the formula I, in which R1 to R4 can be identical or different and are hydrogen, C1-C4-alkyl, halogen or trifluoromethyl, by reacting benzo-fused lactones of the formula II, in which R1 to R4 are as defined above, with thionyl chloride, which comprises carrying out the reaction in the presence of catalytic amounts of boric acid, boric anhydride, borate, boronic acid or boronic acid esters and catalytic amounts of a quaternary ammonium salt is described.
摘要:
The invention relates to a process for preparing 1-substituted 5- and/or 3-hydroxypyrazoles of the formulae I and II in which R1 is C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C6-cycloalkyl or C1-C4-alkoxy, where these groups may be substituted by halogen, C1-C4-alkoxy, phenoxy, C1-C6-alkoxycarbonyl, C1-C6-alkylthiocarbonyl or by a cyclic ring system having 3-14 ring atoms, which comprises reacting an alkyl 3-alkoxyacrylate of the formula III in which R2, R3 independently of one another are C1-C6-alkyl or C3-C6-cycloalkyl with a hydrazine of the formula IV in which R1 is as defined above a) at a pH of 6-11 to give 5-hydroxypyrazoles of the formula I or b) at a pH of 11-14 to give 3-hydroxypyrazoles of the formula II.
摘要:
The invention relates to a method for the production of 1-substituted 5-hydroxypyrazoles of formula (I) wherein R1 is C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkinyl, C3-C6-cycloalkyl or C1-C4-alkoxy, whereby these groups can be substituted by halogen, C1-C4-alkoxy, phenoxy, C1-C6-alkoxycarbonyl, C1-C6-alkylthiocarbonyl or a cyclic ring system with 3-14 ring atoms, by reacting a) an alkylvinylether of general formula (III) wherein R2 is C1-C6-alkyl or C3-C6-cycloalkyl, with phosgene (IVa), “diphosgene” (IVb) or “triphosgene” (IVc) to form acid chlorides of formula (V), b) transforming said acid chlorides by eliminating hydrogen chloride into the corresponding 3-alkoxyacrylic acid chloride of formula (VI) and c) reacting said acid chloride with hydrazines of formula (VII) wherein R1 has the above cited meaning, to form 5-hydroxypyrazoles of formula (I).
摘要:
Cyclohexenonequinolinoyl derivatives of the formula I where: R1 is hydrogen, nitro, halogen, cyano, alkyl, haloalkyl, alkoxyiminomethyl, alkoxy, haloalkoxy, alkylthio, C1–C6-haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl, unsubstituted or substituted amino sulfonyl, unsubstituted or substituted sulfonyl amino, unsubstituted or substituted phenoxy, unsubstituted or substituted heterocyclyloxy, unsubstituted or substituted phenylthio or unsubstituted or substituted heterocyclylthio; R2, R3 are hydrogen, alkyl, haloalkyl or halogen; R4 is substituted (3-oxo-1-cyclohexen-2-yl)carbonyl or substituted (1,3-dioxo-2-cyclohexyl)methylidene; and their agriculturally useful salts; processes for preparing the cyclohexenonequinolinoyl derivatives; compositions comprising them, and the use of these derivatives or compositions comprising them for controlling undesirable plants are described.
摘要翻译:式I的环己烯酮喹啉基衍生物其中:R 1是氢,硝基,卤素,氰基,烷基,卤代烷基,烷氧基亚氨基甲基,烷氧基,卤代烷氧基,烷硫基,C 1 -C 未取代或取代的磺酰基氨基,未取代或取代的苯氧基,未取代或取代的杂环氧基,未取代或取代的苯硫基或未取代或取代的杂环硫基; R 2,R 3是氢,烷基,卤代烷基或卤素; R 4是取代的(3-氧代-1-环己烯-2-基)羰基或取代的(1,3-二氧代-2-环己基)亚甲基; 及其农业用盐; 制备环己烯醌喹啉基衍生物的方法; 描述了包含它们的组合物以及包含它们的这些衍生物或组合物用于防治不期望的植物的用途。
摘要:
The present invention relates to 1-cycloalkylpyrazolylbenzoyl derivatives of the formula I wherein all variables are as defined in the specification, their agriculturally useful salts, processes for their preparation, and for the use of these compounds or compositions comprising them, for controlling undesirable plants.
摘要:
A process for preparing bis(oxime) monoethers of the formula I, where: R1 is unsbustituted C1-C4-alkyl or C2-C4-alkenyl-, C2-C4-alkynyl- or phenyl-substituted methyl; R2,R4 independently of one another are hydrogen or methyl; R3,R5 independently of one another are hydrogen or C1-C4-alkyl, trifluoromethyl or phenyl, and intermediates which are obtainable by this process are described.
摘要:
2-[Pyrazolyl- and triazolyl-3′-oxymethylene]phenylisoxazolones, -triazolones and -tetrazolones of formula I where: X is a group A, B or C, where # denotes the bond with the phenyl ring, Ra is hydrogen, halogen, alkyl or alkoxy, Rb is alkyl; Y is N or CRc, where Rc is hydrogen, halogen or alkyl; n is 0, 1, 2, 3 or 4, where the substituents R1 may be different if n is greater than 1; R1 is nitro, cyano, halogen, alkyl with or without substitution or alkoxy with or without substitution or is additionally, if n is 2, an optionally substituted 3 or 4 membered bridge which forms together with the ring to which it is attached a bicyclic partially unsaturated or aromatic radical; R2 is hydrogen, nitro, cyano, halogen, alkyl, haloalkyl, alkoxy, alkylthio or alkoxycarbonyl; R3 is optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted aryl or optionally substituted hetaryl, their preparation and their use for controlling unwanted animal pests or harmful fungi.
摘要翻译:2- [吡唑基 - 和三唑基-3'-甲醛]苯基异恶唑酮,式I的三唑酮和四唑酮其中:X是A,B或C基团,其中#表示与苯环的键,R a 氢,卤素,烷基或烷氧基,R b是烷基; Y是N或CR,其中R c是氢,卤素或烷基; n为0,1,2,3或4,其中如果n大于1,则取代基R 1可以不同; R 1是硝基,氰基,卤素,具有或不具有取代的烷基或具有或不具有取代的烷氧基,或者另外,如果n是2,则与环一起形成的任选取代的3或4元桥 其连接有双环部分不饱和或芳族基团; R 2是氢,硝基,氰基,卤素,烷基,卤代烷基,烷氧基,烷硫基或烷氧基羰基; R 3是任选取代的烷基,任选取代的环烷基,任选取代的芳基或任选取代的杂芳基,它们的制备及其用于防治有害动物害虫或有害真菌的用途。
摘要:
A process for preparing compounds of the formula I in which R1 is hydrogen, an aliphatic group having 1-8 carbon atoms, C1-C6-alkoxycarbonyl, C1-C6-alkylthiocarbonyl or a cyclic ring system having 3-14 ring atoms, and R2 is hydrogen, an aliphatic group having 1-8 carbon atoms, or R1 and R2 together with the carbon atom to which they are bound form a cyclic or bicyclic ring system having 3-14 ring atoms, comprises the preparation of compounds of the formula II in which R3 and R4 are readily detachable groups and R1 and R2 are as defined above, as starting materials or intermediates and the cyclization of these under suitable reaction conditions to give compounds of the formula I.