Derivatives of pyrimidine, herbicide composition and method of weed control with the use of the composition

 

(57) Abstract:

Usage: in agriculture, in particular in the means for weed control. The inventive composition herbicide compositions are derivatives of pyrimidine F.-ly (I), where R1-H, lower alkyl, halogen - (C1-C4- alkyl, C1-C4-alkoxy-C1-C4-alkyl, cyano-C1-C4-alkyl, C1-C4-alkoxycarbonylmethyl benzyl; R2C1-C6-alkyl, cyclo-C3-C6the alkyl halide - C1-C4-alkyl, C1-C4-alkoxy - C1-C4-alkyl, cyano-C1-C4-alkyl, C1-C4-alkoxycarbonyl-C1-C4-alkyl, or R1and R2together form a C4-C6-alkylene, which may be substituted mlinovima groups, C4-C5-alkylene containing in-chain oxygen; Y1-H, - H, lower alkyl, C1-C4-alkoxy or halogen; Y2-N lower alkyl; Y3-H, C1-C4-alkyl, C1-C4-alkoxy or halogen; C1-C4-alkoxy halogen; X is halogen or sulphur; Z is nitrogen or CY4when Y4- H, halogen, C1-C4-alkyl, C1-C4-alkoxy, halogen-(C1-C4-alkyl, phenyl, C1-C4-alkoxyacetic 2 - 50 wt. % and the rest is additives. Method of weed control are processing their habitats specified composition at a dose of pyrimidine derivative of 0.005 to 10 g/PR. 2 C. p. F.-ly, 17 PL.

The invention relates to the derivatives of pyrimidine, herbicide compositions and chemical method of weed control with their use.

Know the use of substituted pyrimidine as herbicides. However, the known compounds exhibit insufficient herbicide action.

The aim of the invention is the enhancement of herbicide action.

This goal is achieved by pyrimidine derivatives of the formula

< / BR>
(1) where R1is hydrogen, lower alkyl, halogen-C1-C4-alkyl, C1-C4-alkoxy-C1-C4-alkyl, cyano-C1-C4-alkyl, C1-C4-alkoxycarbonyl, benzyl;

R2- C1-C6-alkyl, cyclo-C3-C6-alkyl, halogen-C1-C4-alkyl, C1-C4-alkoxy-C1-C4-alkyl, cyano-C1-C4-alkyl, C1-C4-Alcock - dicarbonyl-C1-C4-alkyl, or R1and R2together form a4-C6-alkylenes group, which may be somesense alkyl, WITH1-C4-alkoxy, halogen;

Y2is hydrogen, lower alkyl, C1-C4-alkoxy or halogen,

Y3is hydrogen, C1-C4-alkyl, C1-C4-alkoxy or halogen atom; X is oxygen or sulfur;

Z is a nitrogen atom or SU4where Y4is hydrogen, halogen, C1-C4-alkyl, C1-C4-alkoxy, halogen-C1-C4-alkyl, phenyl, C1-C4-alkoxycarbonyl or the nitro-group;

R3- lower alkyl, C1-C4-alkoxy;

R4- lower alkyl, C1-C4-alkoxy, halogen, and herbicide composition containing the compound of formula (1) in an amount of 2-50 wt.%, targeted supplements - rest, and a method of weed control by processing their habitats above herbicide composition at a dose of pyrimidine derivative of 0.005 to 10 g/ar.

P R I m e R 1. The way to obtain 4,6-dimethoxy-2-2-(N,N-dimethylaminoacetyl - nil)phenoxy-pyrimidine (compound I).

0.55 g of 2-(4,6-dimethoxypyrimidine-2-yl) oksibenzoynoy acid was dissolved in 3 ml of dry tetrahydrofuran, was added 0.35 g of N,N-carbonyldiimidazole. After stirring at room temperature for 20 min was added methylenchloride a solution of N,N-shivanie was carried out at room temperature for 12 hours The reaction mixture was poured into 1 N. hydrochloric acid, and the resulting mixed solution was extracted with ethyl acetate, the organic layer was separated, washed twice with a saturated aqueous solution of sodium chloride and dried over anhydrous magnesium sulfate. The solvent was removed under reduced pressure, and the residue obtained was subjected to chromatography on a column of silica gel, and was obtained 0.50 g of 4,6-dimethoxy-2-2-(N,N-dimethylaminostyryl)phenoxy-Piri - Medina (the present compound (I). So pl. 71,0 is 72.5aboutC.

1H - NMR (l3), : 2,62 (c. 6H), 3,75 (c. 6H), 5,70 (c. 1H), 6,09 shed 8.01 (m, 4H).

IR (nujol): 1750, 1614 cm-1. Other compounds of formula I are obtained in a similar way. These compounds are presented in table.1.

Below shows examples of preparative forms. In the examples, the compound (I) shows the number of connections given in table.1, and parts are expressed by weight.

P R I m m e R 2. 50 o'clock this connection(1), (10), (12), (16), (20), 3 hours of calcium lignosulfonate, 2 hours lauryl sodium and 45 hours of synthetic hydrated silicon oxide are thoroughly mixed, they were turned into powder, giving a wettable powder.

P R I m e R 3. 10 o'clock this link is of clohexane carefully blended to obtain emulsifiable concentrate.

P R I m e R 4. 2 hours of this connection(1), (11), (12), (16), (20), 1 including synthetic hydrated silicon dioxide, 2 hours of calcium lignosulfonate, 30 hours of bentonite and 65 hours kaolin clay thoroughly crushed into powder and mixed. The resulting mixture is thoroughly mixed with water, granulated and dried to obtain granules.

P R I m e R 5. 25 o'clock of the present compounds (1) to(27), 3 p.m monooleate of polyoxyethylenesorbitan, 3 hours of CMC and 69 hours of water are mixed and sprayed in the wet state up until the particle size is reduced to 5 μm or less. Thus obtained suspension preparative form.

These preparative forms used in the biological examples below.

As objects of comparison in the biological examples used are known compounds listed in table.2.

Evaluation of herbicide activity and phytotoxicity in biological examples were carried out as follows. When the state of germination and growth of the treated experimental plants (weeds and crops) during the evaluation were completely the same or almost did not differ from that of the raw experimental plants, measures were taken for the fell, rate estimates were taken as "5", and the interval between "0" and "5" was divided into four stages, i.e.,"1", "2", "3" and "4". Thus the assessment was conducted in six stages.

P R I m e R 6. Test for surface treatment of the soil on the upland soils of the fields.

Cylindrical plastic pots of 10 cm diameter and a depth of 10 cm were filled with upland soil in the appropriate fields and pots were inoculated seeds Paisy, oats, ipomea and limnocharis and covered with soil. Test compounds were transformed into the form of emulsifiable concentrates according to example 3 and the specified number of each emulsifiable concentrate was diluted with water to obtain the corresponding equivalent of 10 l/ar, and uniformly applied on the entire surface of the soil using an automatic dispenser. After application, the test plants were grown for 19 days in the greenhouse and were assessed herbicide activity. The results are shown in table.3 and 4.

P R I m e R 7. Test processing of the leaves on the soil upland fields.

Cylindrical plastic pots of 10 cm diameter and a depth of 10 cm were filled with upland field soil, and in appropriate pots were sown the seeds Paisy, oats, is soedineniya formed into emulsifiable concentrates according to example 3 and the specified number of each emulsifiable concentrate was diluted with water, containing the agent distribution to achieve compliance with the 10 l/ar and evenly applied on top of the leaves of the experimental plants with an automatic sprayer. After applying the experimental plants were grown for 19 days in the greenhouse and tested for herbicide activity.

The results are shown in table.5 and 6.

P R I m e R 8. Test the soil on upland field soil.

Capacity area h sq. cm and a depth of 11 cm were filled with upland field soil, and sown the seeds of barnyard grass, Rogovik unioloides, spickle green, wild oats and Alopecurus myservicename in appropriate containers, covered with soil of a thickness of 1-2 cm of the Test compounds were formed into emulsifiable concentrates according to example 2 preparative forms, and a set number of each emulsifiable concentrate was diluted with water to achieve compliance with the 10 l/ar and uniformly applied on the entire surface of the soil with an automatic sprayer. After application, the test plants were grown in the greenhouse for 18 days and tested herbicide activity.

The results are shown in table.7.

P R I m e R 9. Test processing of foliage on Soi soil and in appropriate containers were sown the seeds of corn, of barnyard grass and the results of the analysis of green and cultivated for 16 days. After that, the test compounds were formed into emulsifiable concentrates according to example 2 preparative forms, and a set number of each emulsifiable concentrate was diluted with water to obtain a volume corresponding to a dispersion of 10 l/ar, and evenly applied on top of the whole leaves of the experimental plants with an automatic sprayer. Conditions for growth of weeds and crops varied depending on the pilot plant, but the test plants were at stage 1 - 4 of leaves and the height was 5-12 see 18 days after application of the tested herbicide activity and phytotoxicity. The results are shown in table.8.

This test was conducted in the greenhouse during the entire test period.

P R I m e R 10. Test the soil on upland field soil.

Capacity area h sq. cm and a depth of 11 cm was filled with soil upland fields and in appropriate containers were sown the seeds of soybean, cotton, corn, limnocharis, nightshade black crusgalli, spickle green and Rakovica unioloides and covered with a soil layer with thickness of 1-2 cm of the Test compounds preost each emulsifiable concentrate was diluted with water to obtain volume, the 10 l/ar and uniformly applied on the entire surface of the soil with an automatic sprayer.

After the application subjects the plants were grown in the greenhouse and tested herbicide activity and phytotoxicity.

The results are shown in table.9.

P R I m e R 11. Test processing of foliage on upland field soil.

Capacity area h sq. cm and a depth of 11 cm were filled with upland field soil, and in appropriate containers were sown the seeds of corn, ipomea, cocklebur, limnocharis, nesuhi, black nightshade, barnyard grass, spickle green and Rakovica unioloides and cultivated for 16 days. After that, the test compounds were formed into emulsifiable concentrates according to example 2 preparative forms and a set number of each emulsifiable concentrate was diluted with water to obtain the appropriate volume for spraying 10 l/ar and evenly applied on top of the entire foliage of the test plants by means of automatic sprayer. Conditions for growth of weeds and crops at the time varied depending on the type of pilot plants, pilot plants were at the stage of 0.5 to 4 leaves and had a height 5-30 see Through 18 dabl. 10. This test was carried out on the entire experience in the greenhouse.

P R I m e R 12. Test the soil on upland field soil.

Capacity area h sq. cm and a depth of 11 cm were filled with upland field soil, and in appropriate containers were sown the seeds of beet, wheat, barley, mountaineer leaf, cleaver, chickweed average, Veronica Persian violet field, campfire roofing, wild oats, Alopecurus myservicename and annual bluegrass, and covered with a soil layer with thickness of 1-2 cm of the Test compounds were converted into emulsifiable concentrates according to example 2 preparative forms, and a set number of each emulsifiable concentrate was diluted with water to a volume corresponding to 10 l/ar, and uniformly applied to the entire surface of the soil with an automatic sprayer. After applying the experimental plants were grown for 25 days in the greenhouse and tested herbicide activity and phytotoxicity. The results are shown in table.11.

The test example 13. Test processing of foliage on upland field part.

Capacity area h sq. cm and a depth of 11 cm were filled with upland field soil, and with whom her Veronica Persian violet field, fire cavalinho, wild oats, Alopecurus myservicename and annual bluegrass and grew within 31 days. After that, the test compounds were converted into emulsifiable concentrates according to example 2 preparative forms, and a set number of each emulsifiable concentrate was diluted to a final volume of spray corresponding to 10 l/ar, and evenly applied on top of the whole leaves of the experimental plants with an automatic sprayer. Conditions for growth of weeds and crops at the time varied depending on the pilot plant, but experienced the plants were at the stage of 1-4 leaves and had a height 3-25 see 25 days after application of the tested herbicide activity and phytotoxicity.

The results are shown in table.12. This test throughout the period of experiment was carried out in the greenhouse.

P R I m e R 14. Test processing irrigation in the rice fields.

Cylindrical plastic pots with a diameter of 8 cm and a depth of 12 cm was filled with soil of rice fields and sown the seeds of barnyard grass and reeds to a depth of 1-2 cm below the soil surface. After creating a state of the rice fields by irrigation tubers of strinatii growth of each weed) test compounds were converted into emulsifiable concentrates according to example 2 preparative forms and given the quantity of each emulsifiable concentrate was diluted with 2.5 ml water and applied on the soil surface. After application, the test plants were grown for 19 days in the greenhouse and tested for herbicide activity. The results are shown in table.13.

The test example 15. Test the soil on the soil of the upland fields.

Capacity area h sq. cm and a depth of 11 cm were filled with upland field soil, and in appropriate containers were sown the seeds of ipomea, limnocharis, nesuhi, black nightshade, barnyard grass, spickle green and Rakovica unioloides and covered with a soil layer with thickness of 1-2 cm of the Test compounds were converted into emulsifiable concentrates according to example 2 preparative forms, and a set number of each emulsifiable concentrate was diluted with water to a volume corresponding to 10 l/ar, and uniformly applied to the entire surface of the soil with an automatic sprayer. After applying the experimental plants were grown in the greenhouse for 18 days, and tested herbicide activity.

The results are shown in table.14.

The test example 16. Test processing of foliage on upland field soil.

Capacity tribes ipomea purple, limnocharis, black nightshade, barnyard grass, spickle green and Rakovica unioloides, and they were cultivated for 16 days. After that, the test compounds were converted into emulsifiable concentrates according to example 2 preparative forms, and a set number of each emulsifiable concentrate was diluted to a volume corresponding to 10 l/ar, and evenly applied on top of the entire foliage of the test plants by means of automatic sprayer. Conditions for growth of weeds and crops at the time varied depending on the type of pilot plants, pilot plants were at the stage of 0.5 to 4 leaves and the height was 4-27 see 18 days after application of the tested herbicide activity and phytotoxicity. The results are shown in table. 15.

This test was carried out on the entire experience in the greenhouse.

The test example 17. Test the soil on the soil of the upland fields.

Capacity area h sq. cm and a depth of 11 cm were filled with upland field soil, and in appropriate containers were sown the seeds of Polygonum leaf, chickweed average, Veronica Persian, field violet, wild oats, Alopecurus myservicename and annual bluegrass and plated example 2 preparative forms and given the quantity of each emulsifiable concentrate was diluted with water to a volume corresponding to 10 l/ar, and uniformly applied to the entire surface of the soil with an automatic sprayer. After applying the experimental plants were grown in the greenhouse for 25 days and tested herbicide activity. The results are shown in table.16.

P R I m e R 18. Test processing of the leaves on the soil of the upland fields.

Capacity area h sq. cm and a depth of 11 cm were filled with upland field soil, and in appropriate containers were sown the seeds of Polygonum leaf, cleaver, chickweed average and violets field and were cultured for 31 days. After that, the test compounds were converted into emulsifiable concentrates according to example 2 preparative forms and a set number of each emulsifiable concentrate was diluted to a final volume of spray corresponding to 10 l/ar and evenly applied on top of the entire foliage of the test plants by means of automatic sprayer. Conditions for growth of weeds and crops at the time varied depending on the type of pilot plants and pilot plants were at the stage of 1-4 leaves and had a height 4-22 the growth was carried out on the entire experience in the greenhouse.

DERIVATIVES OF PYRIMIDINE, HERBICIDE COMPOSITION AND METHOD OF WEED CONTROL WITH THE USE OF THE COMPOSITION.

1. Derivatives of pyrimidine of the General formula I

< / BR>
where R1is hydrogen, lower alkyl, halogen-(C1-C4-alkyl, C1-C4-alkoxy-C1-C4-alkyl, cyano-C1-C4-alkyl, C1-C4-alkoxycarbonyl-C1-C4-alkyl benzyl;

R2-C1-C6-alkyl, cyclo-C3-C6-alkyl, halogen-(C1-C4-alkyl, C1-C4-alkoxy-C1-C4-alkyl, cyano-C1-C4-alkyl, C1-C4-alkoxycarbonyl-C1-C4-alkyl, or R1and R2together form a C4-C6-alkylenes group which may be substituted by methyl groups, C4-C5-Allenova group containing in-chain oxygen;

Y1is hydrogen, lower alkyl, C1-C4-alkoxy, halogen;

Y2is hydrogen, lower alkyl, C1-C4-alkoxy, halogen;

Y3is hydrogen, C1-C4-alkyl, C1-C4-alkoxy or halogen;

X is oxygen or sulfur;

Z is nitrogen or C Y4where Y4is hydrogen, halogen, C1-C4-alkyl, C1-C4-alkoxy, halogen-(C1B>-C4-alkoxy;

R4- lower alkyl, C1-C4-alkoxy, halogen.

2. Herbicide composition containing a derivative of pyrimidine and target additives, characterized in that as a pyrimidine derivative is used as a compound of General formula I

< / BR>
where R1is hydrogen, lower alkyl, halogen-(C1-C4-alkyl, C1-C4-alkoxy-C1-C4-alkyl, cyano-C1-C4-alkyl, C1-C4-alkoxycarbonyl-C1-C4-alkyl, benzyl;

R2- C1-C6-alkyl, cyclo-C3-C6-alkyl, halogen-(C1-C4-alkyl, C1-C4-alkoxy-C1-C4-alkyl,

or R1and R2together form a C4-C6-alkylenes group which may be substituted by methyl groups, C4-C5-Allenova group containing in-chain oxygen;

Y1is hydrogen, lower alkyl, C1-C4-alkoxy, halogen;

Y2is hydrogen, C1-C4-alkyl, C1-C4-alkoxy or halogen;

Y3is hydrogen, C1-C4-alkyl, C1-C4-alkoxy or halogen;

X is oxygen or sulfur;

Z is nitrogen or C Y4where Y4is hydrogen, halogen, C1-C4-alkyl, Sa;

R3- lower alkyl, C1-C4-alkoxy;

R4- lower alkyl, C1-C4-alkoxy, halogen,

and the target of the additive with the following ratio of components, wt.%:

The compound of General formula I - 2 - 50

Targeted supplements - Rest

3. Method of weed control by processing their habitats composition comprising a derivative of pyrimidine and target additives, characterized in that as a pyrimidine derivative is used as a compound of the formula I

< / BR>
where R1is hydrogen, lower alkyl, halogen-(C1-C4-alkyl, C1-C4-alkoxy-C1-C4-alkyl, cyano-C1-C4-alkyl, C1-C4-alkoxycarbonyl-C1-C4-alkyl, benzyl;

R2- C1-C6-alkyl, cyclo-C3-C6-alkyl, halogen-(C1-C4-alkyl, C1-C4-alkoxy-C1-C4-alkyl,

or R1and R2together form a C4-C6-alkylenes group which may be substituted by methyl groups, C4-C5-Allenova group containing in-chain oxygen;

Y1is hydrogen, lower alkyl, C1-C4-alkoxy, halogen;

Y2is hydrogen, C1-C4-alkyl, C1-C4>/BR>X is oxygen or sulfur;

Z is nitrogen or C Y4where Y4is hydrogen, halogen, C1-C4-alkyl, C1-C4-alkoxy, halogen-(C1-C4-alkyl, phenyl, C1-C4-alkoxycarbonyl, the nitro-group;

R3- lower alkyl, C1-C4-alkoxy;

R4- lower alkyl, C1-C4-alkoxy, halogen,

with the following ratio of components, wt.%:

The compound of General formula I - 2 - 50

Targeted supplements - Rest

at the dose of pyrimidine derivative of 0.005 to 10 g/ar.

 

Same patents:

The invention relates to tetrahydropyrimidine derivative of formula (1) or their pharmaceutically acceptable salts, suitable as 3-HT3-capetronic antagonists:

(1) where Неt is a heterocyclic group, possibly substituted by 1-3 substituents selected from lower alkyl, lower alkenyl, lower quinil, group cycloalkyl-lower alkyl, arylalkyl, lower alkoxycarbonyl, halogen atom;

X represents a single bond attached to the carbon atom of the heterocyclic group

The invention relates to new biologically active compounds derived benzoylacetone or their pharmaceutically acceptable salts having anti-tumor activity, which may find application in medicine

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The invention relates to a process for the preparation of new heterocyclic derivatives of acrylic acid, possess valuable fungicidal properties and which can find application in agriculture

The invention relates to chemical methods of plant protection

The invention relates to new biologically active compounds - derivatives of pyrimidine exhibiting herbicide activity, which can find application in agriculture

The invention relates to pyrimidine derivative of the General formula I:

where R1- alkyl-(C1-C4), O-alkyl-(C1-C4), halogen;

R2- alkyl-(C1-C4), O-alkyl-(C1-C4);

n = 3-5;

Z = COOH, COO-alkyl-(C1-C4), CONHSO2C6H5with herbicide activity, and to a method of controlling undesirable vegetation by processing them in the locus, namely, that the treatment is carried out pyrimidine derivatives of General formula I:

where R1- alkyl-(C1-C4), O-alkyl-(C1-C4), halogen;

R2- alkyl-(C1-C4), O-alkyl(C1-C4);

n = 3-5;

Z = COOH, COO-alkyl-(C1-C4), CONHSO2C6H5in the amount of 1-10 kg/ha

The invention relates to methods of producing derivatives of 2-anilinopyrimidines or acid additive salts of novel biologically active compounds, which can find application in agriculture

The invention relates to derivatives of 2,4-bis-(pyridine)hintline, which can find application in agriculture for cotton defoliation

The invention relates to chemical means of plant protection specifically to the herbicide agent on the basis of sulfonylurea derivatives and method of weed control using herbicide tools

FIELD: organic chemistry, herbicides, agriculture.

SUBSTANCE: invention describes substituted benzoylcyclohexanediones of the general formula (I):

wherein m = 0 or 1; n = 0 or 1; A means a single bond or alkanediyl (alkylene) with 1-4 carbon atoms; R1 means hydrogen atom or unsubstituted alkyl with from 1 to 6 carbon atoms; R2 means methyl; R3 means hydrogen atom, nitro-, cyano-group, halogen atom, alkyl with from 1 to 4 carbon atoms substituted with halogen atom, alkoxy-group with from 1 to 4 carbon atoms or alkyl sulfonyl with from 1 to 4 carbon atoms; R4 means nitro-group, halogen atom, unsubstituted alkyl with from 1 to 4 carbon atoms of that substituted with halogen atom; Z means heterocycle, and herbicide agent based on thereof. Also, invention describes substituted derivatives of benzoic acid of the general formula (III):

wherein values n, A, R3, R4 and Z are given above. These compounds represent the parent substances used for preparing compound of the formula (I). Compounds of the formula (I) elicit high and selective herbicide activity.

EFFECT: valuable properties of compounds.

7 cl, 8 tbl, 7 ex

FIELD: agriculture, in particular herbicide compositions.

SUBSTANCE: invention relates to weed controlling method for tolerant cotton crops using (A) road spectrum herbicides selected from group (A1) glufosinate (salt) and related compounds; (A2) glyphosate (salt) and related compounds; and (B) herbicides selected from group containing diurone, trifluraeline, linuron, and pendimethalin; lactofen, oxyfluoren, bispiribac and salts thereof, pyrithiobac and salts thereof; setoxydim, cyclosidim, and cletodim; wherein components (A) and (B) are used in synergistically effective ratio. Also are described herbicide compositions containing compound from group (A1) or (A2) and herbicide from group (B).

EFFECT: effective controlling of weeds in cotton crops.

9 cl, 12 tbl, 3 ex

FIELD: organic chemistry, agriculture.

SUBSTANCE: method involves carrying out a seasonal single treatment of plant leaves with asymmetrical derivative of 4,6-bis-(aryloxy)pyrimidine of the formula: wherein X means chlorine atom (Cl), nitro- or cyano-group. Invention provides enhancing the long-term time of plants protection.

EFFECT: enhanced effectiveness and valuable properties of compounds.

6 cl, 6 tbl

FIELD: organic chemistry, herbicides, agriculture.

SUBSTANCE: invention relates to new derivatives of uracil of the formula [I] eliciting the herbicide effect, herbicide composition based on thereof and a method for suppression of weed growth. In the formula [I] W means oxygen (O), sulfur (S) atom or imino-group; Y means oxygen atom (O) or sulfur atom (S); R1 means (C1-C3)-alkyl or (C1-C3)-halogenalkyl; R2 means (C1-C3)-alkyl; R4 means hydrogen atom (H) or methyl; R5 means (C1-C6)-alkyl, (C1-C6)-halogenalkyl, (C3-C6)-alkenyl, (C3-C6)-halogenalkenyl, (C3-C6)-alkynyl or (C3-C6)-halogenalkynyl; X1 means halogen atom, cyano- or nitro-group; X2 means hydrogen atom (H) or halogen atom; each among X3 and X4 means independently hydrogen atom (H), halogen atom, (C1-C6)-alkyl, (C1-C6)-halogenalkyl, (C3-C6)-alkenyl, (C3-C6)-halogenalkenyl, (C3-C6)-alkynyl, (C3-C6)-halogenalkynyl, (C1-C6)-alkoxy-(C1-C6)-alkyl, (C1-C6)-alkoxy-, (C1-C6)-halogenalkoxy-, (C1-C6)-alkoxycarbonyl-(C1-C6)-alkoxy- or cyano-group. Also, invention relates to new intermediate substances used for preparing compounds of the formula [I] corresponding to formulae [VII] , [XXXIV] and [XXXIII] wherein in compound of the formula [VII] W means oxygen (O), sulfur (S) atom or imino-group; Y means oxygen (O) or sulfur atom (S); in compounds of formulae [XXXIV] and [XXXIII] W means oxygen atom (O); R17 means oxygen atom (O); R4 means hydrogen atom (H) or methyl. Also, invention relates to methyl- or ethyl-[2-(5-amino-2-chloro-4-fluorophenoxy)phenoxy]acetate not early described in the literature.

EFFECT: valuable herbicide properties of compounds.

23 cl, 17 sch, 9 tbl, 11 ex

FIELD: organic chemistry, agriculture.

SUBSTANCE: invention relates to selective herbicidal compositions, containing customary auxiliary substances, as well as: a) herbicidal effective amount of compound of formula I or agriculture acceptable salt thereof wherein R are independently C1-C6-alkyl, C1-C6-haloalkyl, C1-C4-alcoxy-C1-C4-alkyl, or C1-C4-alcoxy-C1-C4-alcoxy-C1-C4-alkyl; m = 2; Q is group of formula wherein R23 is hydroxyl and Y is C1-C4-alkylen bridge; and b) synergetically effective amount of one or more herbicides; and methods for controlling of undesired plants in tame cultures using the said composition. Also disclosed is composition containing customary auxiliary substances, as well as herbicidal and synergetically effective amount of 4-hydroxy-3-(2-methyl-6-trifluoromethylpyridine-3-carbonyl)bicyclo[3.2.1]octo-3-ene-2-one of formula 2.2 and herbicidal antagonistically effective amount of antidote of formula 3.1. Compositions based on 4-hydroxy-3-(2-methyl-6-trifluoromethylpyridine-3-carbonyl)bicyclo[3.2.1]octo-3-ene-2-one and herbicidal antagonistically effective amount of antidote, as well as methods for controlling of weeds and cereal grasses in tame cultures also are described.

EFFECT: compositions useful in effective controlling of many weeds both in pre-spring and post-spring phases.

5 cl, 63 tbl, 12 ex

FIELD: organic chemistry, herbicides, agriculture.

SUBSTANCE: invention elates to novel derivatives of uracil of the formula [I] possessing herbicide activity, a herbicide composition based on thereof and to a method for control of weeds. In derivatives of uracil of the formula [I] the group Q-R3 represents a substituted group taken among:

wherein a heterocyclic ring can be substituted with at least a substitute of a single species taken among the group involving halogen atom, (C1-C6)-alkyl-(C1-C6)-alkoxy; Y represents oxygen, sulfur atom, imino-group or (C1-C3)-alkylimino-group; R1 represents (C1-C3)-halogenalkyl; R2 represents (C1-C3)-alkyl; R3 represents OR7, SR8 or N(R9)R10; X1 represents halogen atom, cyano-group, thiocarbamoyl or nitro-group; X2 represents hydrogen or halogen atom wherein each among R7, R8 and R10 represents independently carboxy-(C1-C6)-alkyl and other substitutes given in the invention claim; R9 represents hydrogen atom or (C1-C6)-alkyl. Also, invention relates to intermediate compounds used in preparing uracil derivatives.

EFFECT: improved preparing method, valuable properties of compounds.

40 cl, 16 sch, 12 tbl, 65 ex

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