40 results about "Isoxadifen ethyl" patented technology

Disclosed is a herbicidal mixture comprising (a) at least one herbicide compound selected from the pyrimidines of Formula 1, including all geometric and stereoisomers, N-oxides, and salts thereof:whereinR1 is cyclopropyl, 4-Br-phenyl or 4-Cl-phenyl;X is Cl or Br;R2 is H, C1-C14 alkyl, C2-C14 alkoxyalkyl, C3-C14 alkoxyalkoxyalkyl, C2-C14 hydroxyalkyl or benzyl; and(b) at least one additional herbicide or herbicide safener compound selected from the group consisting of (b1) ACCase inhibitors, (b2) AHAS inhibitors, (b3) photosystem II inhibitors, (b4) photosystem I electron diverters, (b5) PPO inhibitors, (b6) EPSP synthase inhibitors, (b7) GS inhibitors, (b8) VLCFA inhibitors, (b9) auxin mimics, (b10) auxin transport inhibitors, (b11) other herbicides selected from the group consisting of flamprop-M-methyl, flamprop-M-isopropyl, difenzoquat, DSMA, MSMA, bromobutide, flurenol, cinmethylin, cumyluron, dazomet, dymron, methyldymron, etobenzanid, fosamine-ammonium, isoxaflutole, asulam, clomazone, mesotrione, metam, oxaziclomefone, oleic acid, pelargonic acid and pyributicarb, (b12) herbicide safeners selected from the group consisting of benoxacor, 1-bromo-4-[(chloromethyl)sulfonyl]benzene, cloquintocet-mexyl, cyometrinil, dichlormid, 2-(dichloromethyl)-2-methyl-1,3-dioxolane, fenchlorazole-ethyl, fenclorim, flurazole, fluxofenim, furilazole, isoxadifen-ethyl, mefenpyr-diethyl, methoxyphenone, naphthalic anhydride and oxabetrinil, and their salts. Also disclosed is a method for controlling the growth of undesired vegetation comprising contacting the vegetation or its environment with a herbicidally effective amount of a mixture of the invention (e.g., as a composition described herein).

Herbicidal injury caused by 6-(trisubstituted phenyl)-4-amino-2-pyridinecarboxylates in wheat and barley is reduced with the use of AD67 (MON 4660), benoxacor, 2-CBSU, daimuron, dichlormid, dicyclonon (BAS 145 138H), fenchlorazole-ethyl, fenclorim, fluxofenim, furilazole (MON 13900), glyphosate, isoxadifen-ethyl, mefenpyr-diethyl, naphthalic anhydride, oxabetrinil and mixtures thereof.

The invention discloses a synthetic method of herbicide safener isoxadifen-ethyl, the isoxadifen-ethyl is prepared by reaction of 1, 1-diphenyl ethylene and ethyl 2-chloro-2-(hydroxyimino)acetate under the effects of an alkali metal compound. The synthetic method is mild in reaction, simple in operation, high in yield, low in pollution, and easy to industrial production.

The invention provides a preparation method of a chiral isoxadifen-ethyl compound. The compound prepared by the method is a single enantiomer. The preparation method is simple, few in byproduct, highin product yield and wide in application prospect. In addition, the invention further provides a herbicide safener. The herbicide safener contains the chiral isoxadifen-ethyl compound serving as an active ingredient, so that application range of herbicide can be expanded effectively.

Herbicidal injury caused by 6-(trisubstituted phenyl)-4-amino-2-pyridinecarboxylates in wheat and barley is reduced with the use of AD67 (MON 4660), benoxacor, 2-CBSU, daimuron, dichlormid, dicyclonon (BAS 145 138H), fenchlorazole-ethyl, fenclorim, fluxofenim, furilazole (MON 13900), glyphosate, isoxadifen-ethyl, mefenpyr-diethyl, naphthalic anhydride, oxabetrinil and mixtures thereof.

The invention relates to the field of herbicides and in particular discloses a herbicide composition aiming at corn safety. The herbicide composition aiming at corn safety is characterized in that active components comprise isoxadifen-ethyl salt, nicosulfuron and / or rimsulfuron; the weight ratio of the isoxadifen-ethyl salt, nicosulfuron and / or rimsulfuron is 1:(0-50):(0-50). The herbicide composition disclosed by the invention is easy to prepare and safe to use, can be applied to sweet corns, sticky corns, pop corns, corns for seeds and the like as well as common corns with more than five leaf stages and is very safe to the corns; the using amount can be four times larger than those of the common nicosulfuron and the common rimsulfuron.

The invention discloses a herbicide composition for a corn field. The herbicide composition comprises sulfentrazone, atrazine and isoxadifen-ethyl (or salt of isoxadifen-ethyl), wherein the weight ratio of sulfentrazone to atrazine to isoxadifen-ethyl is (1-50) to (1-50) to (1-25). The herbicide composition can be prepared into the following preparations: wettable powder, suspending agent, dispersed oil suspending agent, microemulsion, emulsion in water or water dispersible granules. The herbicide composition has a remarkable synergistic effect, and can be used for controlling graminaceous weeds, broad-leaved weeds and cyperaceae weeds including crab grass, green bristlegrass, eleusine indica, chenopodium album, dayflower, sonchus brachyotus, cephalanoplos seyetum, purslane, abutilon and the like which are difficult to control; after the herbicide composition is used, the effectiveness of all single preparations can be improved, the drug resistance of the weeds can be obviously delayed, the usage amount of the pesticide is reduced, and the agricultural cost is lowered. Isoxadifen-ethyl (or salt of isoxadifen-ethyl) is fed into the herbicide composition, so that the herbicide composition is safe for crop corns and is also used for sweet corns.

Synergistic combinations are provided which are compatible with cultivated plants and which comprise herbicides selected from the group consisting of benzoylcyclohexanediones for use in rice cropsHerbicidal combinations are provided comprising bensulfuron-methyl, benzobicyclon, bromobutide, cyhalofop-butyl, ethoxysulfuron, fenoxaprop-P-ethyl, fentrazamide, pyrazolynate, pyrimisulfan, sulcotrione, tefuryltrione, tembotrione and, if appropriate, isoxadifen-ethyl are described. These combinations exhibit an effect which is superior to that of the herbicides used individually.

The invention provides a synthesizing method of isoxadifen-ethyl for industrialized production. The synthesizing method comprises the following steps of using chlorobenzene as a raw material, using tetrahydrofuran as a solvent, and reacting with magnesium, so as to obtain a phenyl magnesium chloride Grignard reagent; performing nucleophilic addition reaction with acetophenone to generate 1,1-diphenylethanol; adding p-toluenesulfonic acid to dewater, so as to generate 1,1-diphenylethene; reacting with ethyl 2-chloro-2-(hydroxyimino)acetate, so as to generate an isoxadifen-ethyl product, whereinthe purity can reach 99%.

A cornfield herbicidal composition comprising pyrazolone compounds and an application thereof is provided. The cornfield herbicidal composition comprises an herbicidally effective amount of an active ingredient A, an active ingredient B, and a safener compound C, wherein the active ingredient A is a compound of the formula (I); the active ingredient B is selected from one or more of the following compounds: triazines, nitriles, sulfonylureas, pyridine carboxylic acids, benzyl carboxylic acids, bentazone, amides, pyridines and amicarbazone; and the safener compound C is selected from one or more of the following compounds: C1 isoxadifen-ethyl, C2 cyprosulfamide, C3 mefenpyr-diethyl, C4 cloquintocet-mexyl, C5 gibberellic acid, C6 furilazole and C7 N-(2-methoxybenzoyl)-4-[(methylaminocarbonyl)amino]benzenesulfonamide. The composition can effectively prevent and remove weeds in the cornfield, and has the characteristics of extending the weed control spectrum, reducing the application dose, being safe for crops, being able to remove resistant weeds and the like.

A safened herbicidal composition for use in rice comprising a herbicidally effective amount of (a) a compound of formula (I): or an agriculturally acceptable salt or ester thereof and (b) a safener or a compatible herbicide capable of safening such as a chemical from the quinolinyloxyacetate family of chemicals, bicyclonon, daimuron, dimepiperate, fenclorim, furilazole, halosulfuron, isoxadifen-ethyl, mefenpyr-diethyl, naphthalic anhydride (NA), or agriculturally acceptable salts, esters, or mixtures thereof, for use in direct-seeded, water-seeded or transplanted rice.

A crystalline form of isoxadifen-ethyl of formula (I), the crystal preparation process, the analyses of the crystal through various analytical methods and using the crystal to prepare stable agrochemical formulation. The invention also describes the use of various solvents towards the crystalline form preparation conditions.

The invention relates to a post-emergence herbicide composition for paddy seedlings and a herbicide made of the post-emergence herbicide composition. The post-emergence herbicide composition comprises fenoxaprop-p-ethyl, metamifop and isoxadifen-ethyl, wherein the mass ratio of the fenoxaprop-p-ethyl, the metamifop and the isoxadifen-ethyl is (1-5):(1-20):(0-20). An addition agent is added to the herbicide composition, and the herbicide is prepared, wherein the addition agent is prepared from two or more than two of a surfactant, a filling, a solvent or a suspending agent. The fenoxaprop-p-ethyl and the metamifop are mixed for use, so that the activity on barnyard grass can be significantly improved, and the synergistic effect is significant; and after the fenoxaprop-p-ethyl and the metamifop are mixed for use, all main grassy weed in current rice paddies can be prevented and controlled, and a weed control spectrum can be extended. The fenoxaprop-p-ethyl has high phytotoxicity risks on a part of rice varieties, phytotoxicity appears easily, but the isoxadifen-ethyl can improve the safety of the fenoxaprop-p-ethyl to rice under the condition that the activity of the fenoxaprop-p-ethyl is not influenced.

A crystalline form of isoxadifen-ethyl of formula (I), the crystal preparation process, the analyses of the crystal through various analytical methods and using the crystal to prepare stable agrochemical formulation. The invention also describes the use of various solvents towards the crystalline form preparation conditions.

The invention relates to a weeding compound containing tembotrions, atrazine and isoxadifen-ethyl. In the weeding compound, the ratio of three components in the weeding compound is (1-10):(1-50):(0.5-10) in parts by weight, the total weight of effective components accounts for 2.5-70 percent of the total weight of the entire weeding compound, the weeding compound is prepared into dosage forms such as a wettable powder, a suspending agent, a dispersible suspending agent, microemulsion in water, emulsion in water, granules and water dispersible granules, and is used for preventing and treating various gramineous weeds, broadleaved weeds and cyperaceous weeds. The weeding compound provided by the invention can improve the durable effect of each component single dosage, obviously delays the production of herbicide resistance, is safe for corn crops, reduces repeated usage amount of pesticides, lowers agricultural utilization cost, can be easily degraded after a period of preserving effect, improves the safety of the compound to next-stubble crops, and reduces pollution to environment.

The invention relates to a weedicide composition containing Tembotrione, Terbuthylazine and Isoxadifen-ethyl. The weight part ratio of the three active components in the preparation is (1-10):(1-50):(0.5-10), and the total weight part of the active components accounts for 2.5-70% of the total weight part of the whole preparation. The weedicide composition can be prepared into multiple agricultural chemical preparation forms such as wettable powder, suspending agents, dispersible suspending agents, microemulsion, emulsion in water, granules and water-dispersible granules, and is used for controlling multiple grassy weeds, broadleaf weeds and sedge weeds. The weedicide composition can control the multiple grassy weeds, broadleaf weeds and sedge weeds capable of being controlled by single use of the Tembotrione, improves the control effect on part of the grassy weeds and broadleaf weeds, widens the weed control spectrum, additionally has a particular sealing effect of the Terbuthylazine, improves the degree of safety for corns, lowers the dosage, saves the control cost, improves the safety for succeeding crops, and reduces pollution to the environment.

The invention relates to the field of herbicides and in particular discloses a herbicide composition aiming at corn safety. The herbicide composition aiming at corn safety is characterized in that active components comprise isoxadifen-ethyl salt, nicosulfuron and / or rimsulfuron; the weight ratio of the isoxadifen-ethyl salt, nicosulfuron and / or rimsulfuron is 1:(0-50):(0-50). The herbicide composition disclosed by the invention is easy to prepare and safe to use, can be applied to sweet corns, sticky corns, pop corns, corns for seeds and the like as well as common corns with more than five leaf stages and is very safe to the corns; the using amount can be four times larger than those of the common nicosulfuron and the common rimsulfuron.

The invention discloses a crop herbicide composition, wherein the composition is prepared from the following raw materials in parts by weight: 20-30 parts of tri-isopropanolamine chlorine pyridine ammonia acid, 8-15 parts of cloransulam-methyl, 23-35 parts of desmedipham, 22-25 parts of ethoxysulfuron, 5-10 parts of isoxadifen-ethyl, 4-8 parts of Pendimethalin, and 8-15 parts of prosulfocarb. The crop herbicide composition provided by the invention takes effect quickly in pharmacological function, and has a long lasting period of pharmacological effects, saving time as well as energy is realized.

The invention relates to a weeding composition containing tembotrione and isoxadifen-ethyl. The weeding composition preparation comprises tembotrione and isoxadifen-ethyl or a salt of isoxadifen-ethyl, wherein the weight part ratio of the two effective components in the preparation is 55:1 to 0.1:30, and the total weight parts of the effective components in the weeding composition preparation accounts for 1%-60% of the total weight parts of the whole preparation. The weeding composition preparation can be made into pesticide preparation dosage forms such as a wettable powder, a suspending agent, an emulsifiable concentrate, a micro-emulsion, an emulsion in water, granules and water dispersible granules. The weeding composition has a remarkable synergistic effect, improves the persistence of single agents, significantly delays the generation of weed drug resistance, reduces the number of times of pesticide repeated use, lowers the using amount of pesticides, and lowers agricultural costs; and the weeding composition is safe to agricultural crops, is easy to degrade in the environment after an effect preserving period, improves the safety of the composition on next-stubble crops, and has Important significance on protection of the ecological environment.

The invention relates to isoxadifen-ethyl with low content of impurity compounds shown in a formula (II), a preparation method of the isoxadifen-ethyl, a quantitative method of the compound shown in the formula (II), and application of the compound shown in the formula (II) as a standard substance to control the quality of the isoxadifen-ethyl.

A cornfield herbicide composition and its application method, the invention relates to pesticide herbicide technology. The invention aims to solve the technical problem that isoxaflutole easily causes phytotoxicity to crops. The cornfield herbicidal composition of the present invention is composed of amfenflutole, isoxaflutole, safener and auxiliary agents; wherein the weight percentage of amfenflutole is 1% to 50%, and the weight percentage of isoxaflutole is 1% to 20%, the weight percentage of safener is 1% to 20%, and the rest are auxiliary agents; the safener is composed of isoxadifen and cyclanesulfonamide in a mass ratio of 1:(0.3~3) The ratio is mixed. The corn field herbicide composition of the present invention is used in the method of spraying corn stems and leaves after seedlings. After 30 days of application, the medicine in the soil is completely degraded and can promote the growth of corn.

The invention discloses a multiple herbicidal composition for paddy rice field and an application of same. The herbicidal composition includes the following active components: cyhalofop-butyl, fluroxypyr-mepthyl, fenoxaprop-p-ethyl and a safety agent isoxadifen-ethyl, wherein weight ratio of the cyhalofop-butyl, the fluroxypyr-mepthyl to the fenoxaprop-p-ethyl is (8-24):(1-5):(1-5), and the weightratio of the fenoxaprop-p-ethyl to the isoxadifen-ethyl is 1-2:1. The multiple herbicidal composition has a synergistic effect and can be used for preventing and removing annual weeds in the paddy rice field, is significantly better than single preparation in effect, is enlarged in herbicidal spectrum and reduced in usage amount, reduces environment pollution, delays generation of drug resistanceof weeds, and is an excellent novel medicine composition for preventing and removing the annual weeds in the paddy rice field.

Synergistic combinations are provided which are compatible with cultivated plants and which comprise herbicides selected from the group consisting of benzoylcyclohexanediones for use in rice cropsHerbicidal combinations are provided comprising bensulfuron-methyl, benzobicyclon, bromobutide, cyhalofop-butyl, ethoxysulfuron, fenoxaprop-P-ethyl, fentrazamide, pyrazolynate, pyrimisulfan, sulcotrione, tefuryltrione, tembotrione and, if appropriate, isoxadifen-ethyl are described. These combinations exhibit an effect which is superior to that of the herbicides used individually.

The invention relates to a safener for rice herbicide. The active ingredient of the safener is prepared from isoxadifen-ethyl and furilazole. The weight ratio of the isoxadifen-ethyl to the furilazolein the rice herbicide is 1: 30-30:1. The safener significantly improves the adverse effect of rice herbicide resistance, enhances the effect of rice herbicide tolerance, and a purpose of safe and efficient weed control is achieved.

Compositions contain (A) haloalkyl-nicotinic acid derivative(s) (I), phthalic acid diamide derivative(s) (II) or anthranilamide derivative(s) (III) and (B) safener(s) selected from about 60 specific compounds (e.g. cloquintocet-mexyl, isoxadifen-ethyl, fenclorim or mefenpyr-diethyl) and 4 general classes of azole, quinoline, alkanamide or N-(phenylsulfonyl)-benzamide compounds (IVa)-(IVd). Compositions comprise: (1) at least one haloalkyl-nicotinic acid derivative of formula (I), phthalic acid diamide derivative of formula (II) or anthranilamide derivative of formula (III) (optionally in N-oxide or salt form) as active agent (A); and (2) at least one safener (B) selected from e.g. azole derivatives of formula (IV-a), quinoline derivatives of formula (IV-b), alkanamides of formula R 10d>-CO-NR 11d>R 12d> (IV-c) and N-(phenylsulfonyl)-benzamide compounds of formula (IV-d). A a>C(W a>)-NR 2a>R 3a>, C(W a>)-N=SR 9a>R 10a> or Het; R 1a>haloalkyl; R 2a>, R 3a>e.g. U-cycloalkyl (optionally substituted (os) by R 4a> or Q a>), C(X a>)-Y a>; or CH 2-heterocyclyl (os by R 5a>); or NR 2a>R 3a>e.g. heteroaryl os by R 4a>, U' or Q a>; Q a>hydrazono (os); R 4a>e.g. S(O) n-U'; X a>, W a>O or S; Y a>e.g. R 6a> or NR 7a>R 8a>; R 6a>e.g. -U-cycloalkyl (os); R 7a>e.g. U-cycloalkyl (os); R 8a>e.g. aryl (os by R 5a>); R 9a>, R 10a>e.g. C(X a>)-Y a>; or R 9a>R 10a>heterocycle; Het : e.g. heterocycle os by R 4a>, U' or Q a>; X b>e.g. haloalkoxy; R 1b>-R 3b>e.g. M 1b>-Q b>; or R 1b>+R 2b>e.g. complete ring; M 1b>e.g. os alkylene; Q b>e.g. T b>-R 4b>; T b>e.g. S(O) m or N(R 5b>); R 4b>e.g. T-heteroaryl (os); R 5b>e.g. CO-O-T-Ph (os); k : 1-4; m : 0-2; L 1b>, L 3b>e.g. S(O) m-U; L 2b>e.g. M 2b>-R 6b>; or L 1b>+L 3b>e.g. complete ring; M 2b>e.g. S(O) m; R 6b>e.g. heteroaryl (os); A 1c>, A 2c>e.g. S; X c>e.g. CR 10c>; R 1c>e.g. V (os by R 6c> or R 11c>); R 2c>e.g. H; R 3c>e.g. R 11c> or heteroaryl (os by 1-3 W c> or R 12c>)); or R 2c>+R 3c>complete ring M c>; R 4c>e.g. OT' (os); R 5c>, R 8c>e.g. G c>, J c> or S(O) p-Ph (all os by e.g. V (os by e.g. Ph (os by W or R 12c>))); G c>e.g. carbocycle; J c>e.g. heteroaryl (os); R 6c>e.g. C(E c>)-R 19c>, OP(Q c>)(OR 19c>) 2, SO 2L c>R 18c> or L c>SO 2L c>R 19c>; E 1c>e.g. NR 19c>; R 7c>e.g. SO 2T'; R 9c>e.g. halo; R 10c>e.g. T'; R 11>e.g. phenylsulfenyl (os by W c>, S(O) n(R 16c>) 2 or S(O) nNR 13c>SO 2L c>R 14c>); L c>e.g. NR 18c>; R 12c>e.g. B(OR 17c>) 2; Q c>O or S; R 13c>e.g. V (os); R 14c>e.g. Cyc (os by e.g. R 6>); R 15c>U' (os by e.g. SOT' or Ph (os by 1-3 W c> or R 12c>); R 16c>e.g. haloalkyl; or N(R 15c>) 2 or N(R 16c>) 2M c>; R 17c>e.g. T; R 18c>e.g. U'; or NR 13c>R 18c>M c>; R 19c>e.g. U (os) M c>e.g. ring W c>e.g. T; n : 0 or 1; p : 0-2; A 12>group of formula (a)-(c); r, s : 0-5; A 11d>e.g. N; A 2d>e.g. alkanediyl (os); R 8d>e.g. NT 2; R 9d>e.g. NT 2; R 10d>T (os); R 11d>, R 12d>e.g. V (os); or R 11d>+R 12d>e.g. alkanediyl; R 13d>, R 15d>e.g. halo; R 14d>e.g. U (os); X 1d>e.g. T'; X 2d>, X 3d>e.g. H; Q : N(R 17d>)-COR 18d> or CO-NR 19d>R 20d>; t : 0-5; v : 0-4; R 16d>, R 17d>e.g. T; R 18d>e.g. NT 2 (os); R 19d>e.g. U (os); R 20d>e.g. phenyl (os by e.g.T' or OT'); or R 19d>+R 20d>e.g. 3-6C alkanediyl ( os); X 4d>, X 5d>e.g. T'; T : 1-4C alkyl, U : 1-6C alkyl; T' : T or 1-4C haloalkyl; U' : U or 1-6C haloalkyl; V : 2-6C alkenyl or 2-6C alkynyl; Cyc : 3-6C cycloalkyl; and with provisos. Full Definitions are given in Definitions (Full Definitions) Field. An independent claim is included for controlling insects and / or acarina, involving applying the composition to insects and / or acarina and / or their habitat. [Image] [Image] [Image] [Image] - ACTIVITY : Insecticide; acaricide; safener; nematocide. In pre-tests for control of Aphis gosspii aphids on cotton plants, mortality after 2 days was 0% using 120 g / ha N-cyanomethyl-4-trifluoromethyl-nicotinamide (flonicamid) (A'), 0% using 50 g / ha isoxadifen-ethyl (B') and 50% using a combination of 120 g / ha (A') and 50 g / ha (B'). - MECHANISM OF ACTION : None given.