CN100360509C - Compound of 1-pyrimidine ketone group-4-chlorine-5-benzoic ethers and preparation method thereof - Google Patents
Compound of 1-pyrimidine ketone group-4-chlorine-5-benzoic ethers and preparation method thereof Download PDFInfo
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- CN100360509C CN100360509C CNB200510013324XA CN200510013324A CN100360509C CN 100360509 C CN100360509 C CN 100360509C CN B200510013324X A CNB200510013324X A CN B200510013324XA CN 200510013324 A CN200510013324 A CN 200510013324A CN 100360509 C CN100360509 C CN 100360509C
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Abstract
The present invention relates to a 1-pyrimidine ketone group-4-chlorine-5-benzoic ether compound used as herbicides, and a preparation method. The present invention relates to a heterocyclic compound which is not combined with other rings and contains 1, 3-diazine ring. The present invention is a 1-pyrimidine ketone-4-chlorine-5-benzoic single substitute methyl ether compound which has a chemical structural formula shown in a general formula (I), wherein R is (C1 to C6) straight chain alkyl, halogenating (C1 to C6) straight chain alkyl, (C3 to C6) cycloalkyl, (C2 to C6) straight chain alkenyl, (C2 to C6) straight chain alkynyl, (C2 to C6) olefin oxy, (C3 to C6) acetylene oxy, (C1 to C4) alkoxycarbonyl, (C2 to C6) olefin oxygen carbonyl, (C3 to C6) acetylene oxygen carbonyl, phenyl, or substitute phenyl shown as follows. The compounds have herbicidal activity. Single-double cotyledon ruderal can be effectively controlled. Especially, the present invention has unforeseen high activity for broadleaf ruderal.
Description
Technical field
Technical scheme of the present invention relates to the heterogeneous ring compound that does not contain the 1,3-diazines ring with other ring condensed, specifically a kind of 1-pyrimidine ketone group-4-chloro-5-benzoate compounds and preparation method thereof.
Background technology
Because the succession of weeds population, transition and to the drug-fast generation of chemical pesticide with develop rapidly; People to the reinforcement of ecological environmental protection consciousness and to chemical pesticide pollute, agricultural chemicals is to non-target organism influence and the attention of home to return to problem in the agricultural chemicals ecotope; World cultivated area reduces and the population growth strengthens the grain demand amount; Developing rapidly and reason such as updating of cropping system of agriculture production technology, need constantly invention novel with improved herbicidal compound and composition.
EP195346A2, US4943309 and US 6207830 disclose the synthetic and weeding activity of some 1-pyrimidine ketone groups-4-chloro-5-benzoate compounds, but all do not relate in the prior art as 1-pyrimidine ketone group shown in the present-4-chloro-5-phenylformic acid list substituent methyl ester compound.
Summary of the invention
Technical problem to be solved by this invention is: the 1-pyrimidine ketone group-4-chloro-5-phenylformic acid list substituent methyl ester compound as weedicide that a kind of novel structure is provided, these compounds have weeding activity, can effectively control single broadleaf weed as weedicide, especially broadleaf weeds be had beyond thought high reactivity.
The present invention solves this technical problem the technical scheme that is adopted:
1-pyrimidine ketone group of the present invention-4-chloro-5-benzoate compounds is the 1-pyrimidine ketone group-4-chloro-5-phenylformic acid list substituent methyl ester compound with chemical structural formula shown in general formula (I):
Wherein, R is (C
1-C
6) straight chained alkyl, halo (C
1-C
6) straight chained alkyl, (C
3-C
6) cycloalkyl, (C
2-C
6) straight-chain alkenyl, (C
2-C
6) straight-chain alkynyl, (C
2-C
6) alkene oxygen base, (C
3-C
6) alkynyloxy group, (C
1-C
4) carbalkoxy, (C
2-C
6) alkenyloxycarbonyl, (C
3-C
6) alkynes oxygen carbonyl, phenyl or substituted-phenyl as follows
Wherein: W is halogen, methyl, halogenated methyl, methoxyl group, (C
1-C
6) carbalkoxy, (C
1-C
4) carbalkoxy, (C
1-C
2) alkoxyl group; W 2,3,4,5 or 6 on phenyl ring; The thiazolinyl of indication is meant the group of 1 to 2 carbon-carbon double bond among the R; Alkynyl has been meant 1 to 2 carbon carbon triple-linked group; Halogen is meant fluorine, chlorine, bromine or iodine.
In the represented compound of above-mentioned general formula (I) preferably: R is (C
1-C
6) straight chained alkyl, halo (C
1-C
6) straight chained alkyl, (C
3-C
6) cycloalkyl, (C
2-C
6) straight-chain alkenyl, (C
2-C
6) straight-chain alkynyl, (C
2-C
6) alkene oxygen base, (C
3-C
6) alkynyloxy group, (C
1-C
4) carbalkoxy, (C
2-C
6) alkenyloxycarbonyl, (C
3-C
6) alkynes oxygen carbonyl, phenyl.
The thiazolinyl of indication preferably among the R of above-mentioned general formula (I): vinyl, propenyl, allyl group; , alkynyl preferably: ethynyl, proyl, propargyl.
The preparation method of the 1-pyrimidine ketone group shown in the general formula of the present invention (I)-4-chloro-5-phenylformic acid list substituent methyl ester compound is as follows:
Earlier with the existent method step from starting compound (II-1) and (II-2) synthetic compound (II-3)～(II-6)
With mol ratio is that 1: 1.2～1.4 anils (II-2) and trifluoroacetic ethyl acetoacetate (II-1) are dissolved in the solvent toluene fully and react, and temperature of reaction is 10 ℃～100 ℃, reacts 0.5～48 hour, makes midbody compound (II-3); Midbody compound (II-3) and ammonium acetate be dissolved in the solvent toluene fully with 1: 2 mol ratio react, temperature of reaction is 10 ℃～100 ℃, reacts 0.5～48 hour, makes midbody compound (II-4); Fully be dissolved in methylene chloride with 1: 0.64 mol ratio midbody compound (II-4) and triphosgene, the adding molar weight is that the alkaloids triethylamine of 2.3 times of midbody compounds (II-4) reacts, temperature of reaction is 0 ℃～40 ℃, reacted 0.5-48 hour, and made midbody compound (II-5); Fully be dissolved in solvent acetone with 1: 1.2 mol ratio midbody compound (II-5) and methyl iodide, the adding molar weight is that the alkaloids salt of wormwood of 1.2 times of midbody compounds (II-5) reacts, temperature is 0 ℃～50 ℃, reacted 0.5～48 hour, make compound (II-6), compound (II-6) is included in the compound of structural formula shown in the general formula (I) simultaneously;
Use following method steps and (I) again from compound (II-6) synthetic compound (II-7)
Compound (II-6) is dissolved in solvent toluene, ethyl acetate, acetone, methyl alcohol, ethanol, propyl alcohol, Virahol, butanols, THF or the dioxane fully, under normal pressure, feed hydrogen, under the effect of hydrogenation catalyst commonly used, react, temperature of reaction is the boiling point of-10 ℃～solvent for use, reacted 0.5～48 hour, and made compound (II-7); Hydrogenation catalyst is palladium, platinum, nail or nickel; The consumption of hydrogenation catalyst is 0.1%～5% mol with respect to compound (II-6);
With compound (II-7) and RCH
2X is dissolved in solvent chloroform fully with 1: 2 mol ratio, methylene dichloride, tetracol phenixin, hexane, benzene, toluene, ethyl acetate, acetone, DMF, in THF or the dioxane, the adding molar weight is the alkaloids triethylamine of 1.2 times of compounds (II-7), pyridine, sodium hydroxide, potassium hydroxide, yellow soda ash, salt of wormwood, or sodium bicarbonate, react, temperature is the boiling point of-10 ℃～selected solvent, reacted 0.5～48 hour, make the described 1-pyrimidine ketone group-4-chloro-5-phenylformic acid list substituent methyl ester compound of claim 1, above-mentioned RCH with chemical structural formula shown in general formula (I)
2Among the X, R is (C
1-C
6) straight chained alkyl, halo (C
1-C
6) straight chained alkyl, (C
3-C
6) cycloalkyl, (C
2-C
6) straight-chain alkenyl, (C
2-C
6) straight-chain alkynyl, (C
2-C
6) alkene oxygen base, (C
3-C
6) alkynyloxy group, (C
1-C
4) carbalkoxy, (C
2-C
6) alkenyloxycarbonyl, (C
3-C
6) alkynes oxygen carbonyl or substituted-phenyl as follows
Wherein: W is halogen, methyl, halogenated methyl, methoxyl group, (C
1-C
6) carbalkoxy, (C
1-C
4) carbalkoxy, (C
1-C
2) alkoxyl group, W 2,3,4,5 or 6 on phenyl ring, the thiazolinyl of indication is meant the group of 1 to 2 carbon-carbon double bond among the R, and alkynyl has been meant 1 to 2 carbon carbon triple-linked group, and halogen is meant fluorine, chlorine, bromine or iodine; X is halogen or sulphonate.
List respectively in table 1 and the table 26 compounds of the present invention the materialization data and
1H NMR data illustrate the present invention, but do not limit the present invention.
Table 1 records the materialization data of part of compounds in the compound general formula of the present invention (I)
| Compound | R | State | Fusing point (℃) | Productive rate (%) | Ultimate analysis (calculated value) | ||
| C | H | N | |||||
| 1 | CH 3- | White solid | 101～102 | 66 | 47.90(47.82) | 3.20(3.21) | 7.57(7.44) |
| 2 | CH 3CH 2- | White solid | 98～99 | 57 | 49.29(49.18) | 3.87(3.61) | 6.98(7.17) |
| 3 | H 2C＝CH- | White solid | 97～98 | 74 | 49.60(49.44) | 3.35(3.11) | 6.96(7.21) |
| 4 | HC*C- | Yellow oil | 75 | 49.70(49.69) | 2.49(2.61) | 7.37(7.24) | |
| 5 | CH 3OCO- | Yellow oil | 55 | 45.47(45.68) | 3.02(2.87) | 6.58(6.66) | |
| 6 | Ph- | White solid | 113～114 | 83 | 54.66(54.75) | 3.25(3.22) | 6.50(6.38) |
Part of compounds in the compound general formula of the present invention (I) in table 2 table 1
1H NMR data
| Compound | 1H NMR(CDCl 3)ppm |
| 1 | 1.384(t，J＝6.5Hz，3H)，3.555(s，3H)，4.401(q，J＝6.5Hz，2H)，6.379(s， 1H)，7.280(J＝9.0Hz，J＝2.4Hz，，1H)，7.604(d，J＝9Hz，1H)，7.768(d，J ＝2.4Hz，1H) |
| 2 | 1.031(t，J＝6.5Hz，3H)，1.771-1.819(m，2H)，3.565(s，3H)，4.291(q，J ＝6.5Hz，2H)，6.389(s，1H)，7.280(J＝9.0Hz，J＝2.4Hz，1H)，7.604(d，J＝9 Hz，1H)，7.760(d，J＝2.4Hz，1H) |
| 3 | 3.561(s，3H)，4.824(q，J＝6.0Hz，2H)，5.301(q，J＝10.5Hz，1H)，5.420(q， J＝15.6Hz，1H)，5.968-6.060(m，1H)，6.385(s，1H)，7.296(dd，J＝9.0Hz，J ＝2.4Hz，1H)，7.608(d，J＝9Hz，1H)，7.798(d，J＝2.4Hz，1H) |
| 4 | 2.528(t，J＝2.4Hz，1H)，3.564(s，3H)，4.921(d，J＝2.4Hz，2H)，6.389(s， 1H)，7.338(dd，J＝9.0Hz，J＝2.4Hz，1H)，7.618(d，J＝9Hz，1H)，7.835(d，J ＝2.4Hz，1H) |
| 5 | 3.542(s，3H)，3.786(s，3H)，4.848(s，2H)，6.366(s，1H)，7.345(dd，J＝9.0 Hz，J＝2.4Hz，1H)，7.615(d，J＝9Hz，1H)，7.889(d，J＝2.4Hz，1H) |
| 6 | 3.539(s，3H)，5.349(s，2H)，6.359(s，1H)，7.285(dd，J＝9.0Hz，J＝2.4Hz， 1H)，7.342-7.454(m，5H)，7.591(d，J＝9Hz，1H)，7.775(d，J＝2.4Hz，1H) |
The purposes of the 1-pyrimidine ketone group shown in the general formula of the present invention (I)-4-chloro-5-phenylformic acid list substituent methyl ester compound is to be used to control single broadleaf weed.
The method that 1-pyrimidine ketone group shown in the general formula of the present invention (I)-4-chloro-5-phenylformic acid list substituent methyl ester compound is used to control single broadleaf weed is, with the 1-pyrimidine ketone group shown in the general formula (I)-4-chloro-5-phenylformic acid list substituent methyl ester compound is that active ingredient and agricultural go up acceptable at least a liquid or solid carrier and form herbicidal composition, and the 1-pyrimidine ketone group shown in this herbicidal composition formula of (I)-4-chloro-5-phenylformic acid list substituent methyl ester compound is that the weight percentage of active ingredient is between 0.1-99%; The above-mentioned herbicidal composition of herbicidally effective amount is imposed on the surface of growth medium of the places of single broadleaf weed or these weeds or these weeds, these weeds can be effectively controlled.
The invention has the beneficial effects as follows:
Embodiment 7 and 8 shows, 1-pyrimidine ketone group shown in the general formula of the present invention (I)-4-chloro-5-phenylformic acid list substituent methyl ester compound has weeding activity, can effectively control single broadleaf weed as weedicide, especially broadleaf weeds be had beyond thought high reactivity; To be that these weeds can be effectively controlled on the surface of herbicidal composition that active ingredient the is formed growth medium that imposes on the places of weeds described in the table 3 or described weeds or described weeds with the 1-pyrimidine ketone group shown in the general formula of the present invention (I)-4-chloro-5-phenylformic acid list substituent methyl ester compound.
In herbicidal composition of the present invention, add one or more other weedicide, or and other known sterilant, sterilant, weedicide, plant-growth regulator or fertilizer etc. be mixed together use, can produce additional advantage and effect thus.
Embodiment
The following example is used for further specifying the present invention, but does not mean that restriction the present invention.
Embodiment 1
Synthetic compound (II-3)～(II-7)
Step 1: in the there-necked flask of 500mL, add compound (II-2) 30mmol, trifluoroacetic ethyl acetoacetate (II-1) 30～36mmol and toluene 250mL, load onto and stir and water distilling apparatus, stir slowly heating down at 10 ℃, ethanol with toluene in the reaction solution and generation steams simultaneously, on average 20mL per hour; After reaction is carried out 1 hour, add trifluoroacetic ethyl acetoacetate (II-1) 3mmol, continue reaction, add trifluoroacetic ethyl acetoacetate (II-1) 3mmol and toluene 40mL after 2 hours again, stopped reaction after 4 hours.Reaction solution is concentrated, purify through silica gel column chromatography, developping agent is ethyl acetate/normal hexane=1/5, gets waxy solid (II-3) 15mmol, yield 50%.
1HNMR(CDCl
3，300MHz)：δ5.260(s，1H)，5.346(s，2H)，7.425(m，6H)，7.747(m，1H)，7.898(s，1H)。
Add (II-3) 15mmol, ammonium acetate 30mmol and toluene 100mL in the step 2:250mL there-necked flask, 60 ℃ of following heated and stirred 0.5～48 hour.Reaction solution is concentrated, purify through silica gel column chromatography, developping agent is ethyl acetate/normal hexane=1/3, gets waxy solid (II-4) 10mmol, yield 67%.
1H NMR(CDCl
3，300MHz)：δ5.057(s，lH)，5.366(s，2H)，6.473(s，2H)，7.088(s，1H)，7.432(m，6H)，7.746(m，1H)，7.854(s，1H)。
Step 3: triethylamine 23mmol is dissolved among the methylene dichloride 50mL, stir down and slowly be added drop-wise in the methylene dichloride 200mL mixing solutions of water-bath refrigerative (II-4) 10mmol and triphosgene 6mmol, stirred 24 hours down at 25 ℃, add triphosgene 0.4mmol then; Continue to stir 6 hours.Reaction solution is concentrated, purify through silica gel column chromatography, developping agent is ethyl acetate/normal hexane=1/3, gets light yellow oil (II-5) 6mmol, yield 60%.
1H NMR(CDCl
3，300MHz)：δ5.350(s，2H)，6.176(s，1H)，7.285-7.450(m，6H)，7.587(d，J＝9 Hz，1H)，7.796(d，J＝2.4Hz，1H)。
Step 4: in the 200mL there-necked flask, add (II-5) 6mmol, methyl iodide 7.2mmol, salt of wormwood 7.2mmol and acetone 100mL, stirred 3 hours down at 5 ℃.Reaction solution is concentrated, purify through silica gel column chromatography, developping agent is ethyl acetate/normal hexane=1/3, gets white solid (II-6) 5mmol, and this compound also is the compound (I)-6 in the table 1.Fusing point: 113～114 ℃, yield 83%.
1H NMR(CDCl
3，300MHz)：δ3.539(s，3H)，5.349(s，2H)，6.359(s，1H)，7.285(dd，J＝9.0Hz，J＝2.4Hz，1H)，7.342-7.454(m，5H)，7.591(d，J＝9 Hz，1H)，7.775(d，J＝2.4Hz，1H)。
Step 5: in the 200mL there-necked flask, add (II-6) 5mmol, 5% palladium carbon 0.0004mmol, methyl alcohol 100mL is heated to backflow, and normal pressure feeds hydrogen down.Remove by filter insolubles, the filtrate decompression precipitation gets wax (II-7) 3.5mmol, yield 70%.
1H NMR(CDCl
3，300MHz)：δ3.695(s，3H)，6.396(s，1H)，7.375(dd，J＝9.0Hz，J＝2.4Hz，1H)，7.601(d，J＝9Hz，1H)，7.792(d，J＝2.4Hz，1H)。
Embodiment 2
R=CH in the listed compound general formula of the present invention of table 1 (I)
3-synthetic:
In the 20mL there-necked flask, add by embodiment 1 prepared compound (II-7) 0.5mmol, iodoethane 1mmol, salt of wormwood 0.6mmol and DMF 10mL and stirred 3 hours down at 65 ℃.Resistates is poured in 10 ml waters, with ethyl acetate extraction 2 times, each 20 milliliters, anhydrous magnesium sulfate drying is used again with 15 milliliters of saturated sodium-chloride water solution washings in the back, concentrating under reduced pressure, resistates is purified through silica gel column chromatography, and eluent is ethyl acetate/normal hexane=1/3, and the compound (I)-1 that makes in the table 1 is white solid 0.33mmol, yield 66%, fusing point are 101～102 ℃.Solvent DMF is replaced with chloroform, methylene dichloride, tetracol phenixin, hexane, benzene, toluene, ethyl acetate, acetone, THF or dioxane, alkaloids salt of wormwood replaces with triethylamine, pyridine, sodium hydroxide, potassium hydroxide, yellow soda ash or sodium bicarbonate, temperature of reaction elects as-boiling point of 100C～selected solvent, reaction is elected 0.5～48 hour as, makes compound of the present invention (I)-1 equally.
Embodiment 3
R=CH in the listed compound general formula of the present invention of table 1 (I)
3CH
2-synthetic:
Except that iodoethane is replaced with the iodopropane, other operating processes are all with embodiment 2, and the compound (I)-2 that makes in the table 1 is a white solid, fusing point: 98～99 ℃.
Embodiment 4
R=H in the listed The compounds of this invention general formula of table 1 (I)
2C=CH-'s is synthetic:
Except that iodoethane is replaced with the allyl bromide 98, other operating processes are all with embodiment 2, and the compound (I)-3 that makes in the table 1 is a white solid, fusing point: 97～98 ℃.
Embodiment 5
R=HC*C-'s is synthetic in the listed compound general formula of the present invention of table 1 (I):
Except that iodoethane is replaced with the propargyl bromide, other operating processes are all with embodiment 2, and the compound (I)-4 that makes in the table 1 is a yellow oil.
Embodiment 6
R=CH in the listed compound general formula of the present invention of table 1 (I)
3OCO-'s is synthetic:
Except that iodoethane is replaced with the methyl chloroacetate, other operating processes are all with embodiment 2, and the compound (I)-5 that makes in the table 1 is a yellow oil.
In addition, except that iodoethane is replaced with RCH
2X, wherein R gets " (C respectively
1-C
6) straight chained alkyl, halo (C
1-C
6) straight chained alkyl, (C
3-C
6) cycloalkyl, (C
2-C
6) straight-chain alkenyl, (C
2-C
6) straight-chain alkynyl, (C
2-C
6) alkene oxygen base, (C
3-C
6) alkynyloxy group, (C
1-C
4) carbalkoxy, (C
2-C
6) alkenyloxycarbonyl, (C
3-C
6) alkynes oxygen carbonyl or substituted-phenyl as follows
Wherein, W is halogen, methyl, halogenated methyl, methoxyl group, (C
1-C
6) carbalkoxy, (C
1-C
4) carbalkoxy or (C
1-C
2) alkoxyl group; W 2,3,4,5 or 6 on phenyl ring " in CH
3-, CH
3CH
2-, HC*C-, CH
3Other group outside the OCO-, X gets respectively beyond fluorine, chlorine, bromine, the iodine, uses the method identical with embodiment 2, makes other compound in the compound general formula of the present invention (I).
Embodiment 7
Allow seed germination and growing 10～21 days, make the examination material that has a series of growing stages before the processing, select size, the consistent examination material of growing stage then, handle by following described method with the part of compounds of listing in the table 1 of the present invention, processing is placed on the greenhouse and waters, compare with the examination material of not doing any processing, the examination material is broadleaf weed three-coloured amaranth and piemarker, and monocotyledon weed barnyard grass grass and lady's-grass;
With the former medicine of acetone solution, by design dosage (seeing Table 3), join in a certain amount of water that contains 5% tensio-active agent, make preparation by the design concentration that dosage determined.Spray with atomizer, medicament is sprayed onto on the examination material with the covering of the fan Sprayable.To try material and place the greenhouse, after 48 hours every day in addition quantitative clear water to keep normal growth.
Handle the back and investigated in 2 weeks, carry out active classification to 100% (control fully) with inhibiting rate 0% (invalid).Inhibiting rate is the total effect to examination material plant chlorosis, withered spot, retarded growth or leaf angle calcination infringement.The partial test that obtains after relatively with blank the results are shown in Table 3.
Table 3: the weeding activity of part of compounds in the compound general formula of the present invention (I)
| Compound | Dosage (gram/hectare) | Inhibiting rate | |||
| Three-coloured amaranth | Piemarker | The barnyard grass grass | Lady's-grass | ||
| 1 | 200 | 100 | 100 | 100 | 80 |
| 1 | 40 | 100 | 100 | 55 | 45 |
| 2 | 200 | 100 | 100 | 80 | 70 |
| 2 | 40 | 100 | 100 | 30 | 30 |
| 3 | 200 | 100 | 100 | 100 | 75 |
| 3 | 40 | 100 | 100 | 50 | 30 |
| 4 | 200 | 100 | 100 | 50 | 30 |
| 4 | 40 | 100 | 100 | 20 | 10 |
| 5 | 200 | 100 | 100 | 80 | 50 |
| 5 | 40 | 100 | 100 | 30 | 30 |
| 6 | 200 | 100 | 100 | 75 | 50 |
| 6 | 40 | 100 | 100 | 50 | 20 |
Embodiment 8
To be that active ingredient is formed herbicidal composition with the 1-pyrimidine ketone group shown in the general formula of the present invention (I)-4-chloro-5-phenylformic acid list substituent methyl ester compound, the 1-pyrimidine ketone group in this herbicidal composition shown in the general formula of the present invention (I)-4-chloro-5-phenylformic acid list substituent methyl ester compound be that the weight percentage of active ingredient is between 0.1-99%; This herbicidal composition of herbicidally effective amount is imposed on the surface of growth medium of the places of weeds described in the table 3 or described weeds or described weeds, usually the comparatively suitable significant quantity of selecting is that per hectare 5 restrains 5000 grams, preferred significant quantity is that per hectare 25 restrains 1000 grams, and these weeds can be effectively controlled.Comprise also in this herbicidal composition that agricultural goes up acceptable at least a liquid or solid carrier, and when needing, mix suitable tensio-active agent.The compounds of this invention is dissolved in the carrier usually or is mixed with chemicals, so that be easier to disperse when using as weedicide.But these chemicals can be made into wet-milling or missible oil.
Claims (5)
1.1-pyrimidine ketone group-4-chloro-5-benzoate compounds, it is characterized in that: it has the chemical structural formula shown in general formula (I):
Wherein, R is a phenyl.
2. the preparation method of the described 1-pyrimidine ketone group of claim 1-4-chloro-5-benzoate compounds,
With mol ratio is that 1: 1.2～1.4 anils (II～2) and trifluoroacetic ethyl acetoacetate (II-1) are dissolved in the solvent toluene fully and react, and temperature of reaction is 10 ℃～100 ℃, reacts 0.5～48 hour, makes midbody compound (II-3); Midbody compound (II～3) and ammonium acetate be dissolved in the solvent toluene fully with 1: 2 mol ratio react, temperature of reaction is 10 ℃～100 ℃, reacts 0.5～48 hour, makes midbody compound (II-4); Fully be dissolved in methylene chloride with 1: 0.64 mol ratio midbody compound (II-4) and triphosgene, the adding molar weight is that the alkaloids triethylamine of 2.3 times of midbody compounds (II-4) reacts, temperature of reaction is 0 ℃～40 ℃, reacted 0.5-48 hour, and made midbody compound (II-5); Fully be dissolved in solvent acetone with 1: 1.2 mol ratio midbody compound (II-5) and methyl iodide, the adding molar weight is that the alkaloids salt of wormwood of 1.2 times of midbody compounds (II-5) reacts, temperature is 0 ℃～50 ℃, reacted 0.5～48 hour, make compound (II-6), compound (II-6) is included in the compound of structural formula shown in the general formula (I) simultaneously.
3. the described compound of claim 1 is used to control the purposes of single broadleaf weed.
4, a kind of herbicidal composition, it is characterized in that: active ingredient is the described 1-pyrimidine ketone group of claim 1-4-chloro-5-benzoate compounds, the weight content of active ingredient is 0.1-99% in the composition, and surplus is that agricultural goes up acceptable at least a liquid or solid carrier.
5, the using method of the described herbicidal composition of a kind of claim 4 is characterized in that: the herbicidal composition as claimed in claim 4 of using herbicidally effective amount on the growth mediums of weeds or weeds or place.
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| CN100360509C true CN100360509C (en) | 2008-01-09 |
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| US5127935A (en) * | 1989-07-14 | 1992-07-07 | Nissan Chemical Industries Ltd. | Uracil derivatives and herbicides containing the same as active ingredient |
| US5176735A (en) * | 1990-06-28 | 1993-01-05 | Uniroyal Chemical Company, Inc. | Method of desiccating plants employing 3-carbonylphenyl uracil derivatives |
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| WO1995032952A1 (en) * | 1994-05-27 | 1995-12-07 | Ciba-Geigy Ag | Process for the preparation of 3-aryluracils |
| US5527764A (en) * | 1994-09-15 | 1996-06-18 | Uniroyal Chemical Company, Inc. | 3-arylthionouracils useful as herbicides, defoliants, and desiccants |
| US6207830B1 (en) * | 1987-09-23 | 2001-03-27 | Syngenta Crop Protection, Inc. | Process for the production of 3-aryl-uracils |
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2005
- 2005-04-15 CN CNB200510013324XA patent/CN100360509C/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN86101792A (en) * | 1985-03-20 | 1986-11-12 | 弗·哈夫曼-拉罗切有限公司 | The preparation method of heterogeneous ring compound |
| US4941909A (en) * | 1987-06-19 | 1990-07-17 | Hoffmann-La Roche Inc. | Heterocyclic compounds |
| US6207830B1 (en) * | 1987-09-23 | 2001-03-27 | Syngenta Crop Protection, Inc. | Process for the production of 3-aryl-uracils |
| US5041156A (en) * | 1987-10-22 | 1991-08-20 | Ciba-Geigy Corporation | 3-aryluracils for the control of weeds |
| US5183492A (en) * | 1989-06-29 | 1993-02-02 | Ciba-Geigy Corporation | Herbicidal 3-aryluracils |
| US5127935A (en) * | 1989-07-14 | 1992-07-07 | Nissan Chemical Industries Ltd. | Uracil derivatives and herbicides containing the same as active ingredient |
| US5176735A (en) * | 1990-06-28 | 1993-01-05 | Uniroyal Chemical Company, Inc. | Method of desiccating plants employing 3-carbonylphenyl uracil derivatives |
| US5391541A (en) * | 1993-08-11 | 1995-02-21 | Fmc Corporation | Herbicidal 3-(substituted-benzyl)-1-methyl-6-trifluoromethyluracils |
| WO1995032952A1 (en) * | 1994-05-27 | 1995-12-07 | Ciba-Geigy Ag | Process for the preparation of 3-aryluracils |
| US5527764A (en) * | 1994-09-15 | 1996-06-18 | Uniroyal Chemical Company, Inc. | 3-arylthionouracils useful as herbicides, defoliants, and desiccants |
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| CN1687037A (en) | 2005-10-26 |
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