WO2011132888A2 - 시클로프로펜 화합물 및 이를 농작물에 부가하는 방법 - Google Patents
시클로프로펜 화합물 및 이를 농작물에 부가하는 방법 Download PDFInfo
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- WO2011132888A2 WO2011132888A2 PCT/KR2011/002692 KR2011002692W WO2011132888A2 WO 2011132888 A2 WO2011132888 A2 WO 2011132888A2 KR 2011002692 W KR2011002692 W KR 2011002692W WO 2011132888 A2 WO2011132888 A2 WO 2011132888A2
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N27/00—Biocides, pest repellants or attractants, or plant growth regulators containing hydrocarbons
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N3/00—Preservation of plants or parts thereof, e.g. inhibiting evaporation, improvement of the appearance of leaves or protection against physical influences such as UV radiation using chemical compositions; Grafting wax
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
- A01N31/08—Oxygen or sulfur directly attached to an aromatic ring system
- A01N31/14—Ethers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N55/00—Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C13/00—Cyclic hydrocarbons containing rings other than, or in addition to, six-membered aromatic rings
- C07C13/28—Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/02—Ethers
- C07C43/20—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring
- C07C43/215—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring having unsaturation outside the six-membered aromatic rings
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic System
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/0803—Compounds with Si-C or Si-Si linkages
- C07F7/081—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/02—Systems containing only non-condensed rings with a three-membered ring
Definitions
- the present invention relates to a method for preparing a cyclopropene compound in an agricultural field and immediately adding it to a plant. More specifically, a precursor of 1-alkylcyclopropene (1-Alkylcyclopropene Precursor) and fluorine anion (F ⁇ ) Method of inhibiting the action of ethylene to promote the maturation and aging process of plants by preparing chemically unstable 1-alkylcyclopropene compounds (1-Alkylcyclopropenes) and adding them directly to plants without storage It relates to an effective substance.
- Ethylene (C 2 H 4 , Ethylene) acts as a plant hormone to promote the ripening process in plants
- cyclopropenes (Cyclopropenes) is well known to effectively inhibit the action of ethylene in plants [US Patent No. 5,518,988] US Patent No. 6,194,350.
- 1-alkylcyclopropenes of the formula (1) are excellent in efficacy.
- 1-methylcyclopropene (1-methylcyclopropene) is a gas ( ⁇ 10 °C / 1 atm) at room temperature, it can effectively treat the entire closed treatment facility without a special injection device. For this reason, it is widely used for storing fresh fruits, flowers, vegetables and the like such as apples, pears, persimmons, plums, mangoes, kiwis, tomatoes, lilies, carnations, and the like.
- A means a straight chain having a form of (CH 2 ) m Y (CH 2 ) n m, n are each independently an integer of 0 to 3, Y is independently CH 2 , O, S and the like.
- R 1 is substituted or unsubstituted C 3 -C 20 alkyl or C 4 -C 10 aryl, furanyl, pyran, thiofuran, said alkyl or aryl being fluorine, chlorine, bromine, iodine, oxygen, sulfur, nitrogen, It may be a substituent containing silicon, phosphorous and the like.
- cyclopropene 1-methylcyclopropene, 1,2-dimethylcyclopropene, 1,3-dimethylcyclopropene, 1-ethylcyclopropene, 1-hexylcyclopropene, 1-octylcyclo Since cyclopropene compounds such as propene are easily denatured such that their half-life is only 0.5 to 15 hours at room temperature, it is practically impossible to synthesize and store them in a routine manner.
- the modification process of these cyclopropene compounds is a polymerization reaction in which cyclopropene molecules react with each other.
- cyclopropene compounds are more stable in the diluted state.
- 1-methylcyclopropene (boiling point 10 ° C.) is very unstable enough to explode at room temperature if concentrated.
- 1-methylcyclopropene has a half-life of more than 10 days at room temperature at concentrations below 1,000 ppm (v / v).
- the isolation of 1-methylcyclopropene molecules individually using ⁇ -cyclodextrin makes it possible to store them stably for more than one year, which is actually used in agricultural storage applications using 1-methylcyclopropene. [US Patent Nos. 6,017,849, 6,426,319, 6,444,619, 6,548,448, 6,762,153, 6,953,540].
- the method of producing in the field immediately used is also utilized in the field of agricultural product storage.
- the inventor of the present application in the Republic of Korea Patent Application No. 2006-0048121 has presented a technique and apparatus that can directly generate 1-methylcyclopropene at the work site and process it to plants.
- This application discloses a method for generating a cyclopropene compound by reacting ⁇ -halocyclopropylsilane or its chemical equivalents with fluorine ions (F ⁇ ).
- F ⁇ fluorine ions
- 1-alkylcyclopropene is easily decomposed due to its low chemical stability, it is not possible to obtain the expected effect by the production and treatment of general pesticides as described above.
- 1-alkylcyclopropene is generally used in crops or plants in the field, unless a method of 'storage at an ultra-low temperature of 50 ° C. or lower', 'storage by storage in a substance such as cyclodextrin', or the like is not used. It was not easy to separate directly.
- the present invention overcomes these problems and provides a method for freely adding 1-alkylcyclopropene to crops in open agricultural areas such as paddy fields, fields, forests, orchards, greenhouses, etc., as well as in closed spaces. It aims to do it.
- the present invention for achieving the above object, as a method of treating plants with 1-alkylcyclopropene of the general formula
- step (b) phase separating the 1-alkylcyclopropene of formula 1 from the reaction solution simultaneously or continuously with step (a);
- A means a straight chain having a form of (CH 2 ) m Y (CH 2 ) n , m, n are each independently an integer of 0 to 3, Y is independently CH 2 , O, S;
- R 1 is substituted or unsubstituted C 3 -C 20 alkyl or C 4 -C 10 aryl, furanyl, pyran, or thiofuran, wherein the alkyl, aryl, furanyl, pyran, thiofuran is fluorine, chlorine, bromine, It may be a substituent containing one or more selected from the group consisting of iodine, oxygen, sulfur, nitrogen, silicon, phosphorus;
- X is halogen or OSO 2 T, where T is hydrogen, substituted or unsubstituted C 1 -C 10 alkyl, alkoxy, or aryl, aryloxy, amine, halogen, or hydroxy.
- the chemically labile 1-alkylcyclopropene is polymerized by preparing 1-alkylcyclopropene of Chemical Formula 1 in the field and adding it to crops or plants in successive steps. It can be added to crops or plants at any concentration before disappearing.
- the method of adding 1-alkylcyclopropene to a crop or a plant may be various.
- a method of directly dividing the substance, or by adding a hydrating agent or granules may be used. It doesn't happen.
- the alkyl includes alkyl substituted with hydroxy, halogen, alkoxy, cycloalkyl, aryl, amine, thioalkoxy and the like.
- the aryl also includes aryl substituted with lower alkyl, alkoxy, thioalkoxy, nitro, halogen, amine and the like.
- the material of Formula 2 may be synthesized through a series of processes as shown in Scheme 1 based on a method reported by Fumie Sato et al. (J. Org. Chem. 65 (2000), 6217 ⁇ 6222). Can be.
- Alkyl Grignard reagent such as ethyl, propyl, butyl, isopropyl; Titanium (IV) isopropxide or titanium chloride triisopropoxide (Chlorotitanium (IV) triisopropoxide); Trialkylvinylsilanes; And reacting an ester of alkanoic acid to obtain a Trans, Cis (2: 1 to 5: 1) mixture of 1-hydroxy-1-methylcyclopropane compound, which is reacted with methanesulfonylchloride in the form of a mixture.
- a compound of formula 2 can be obtained.
- the material of Formula 3 is based on a method reported by WE Billups et al. (J. Am. Chem. Soc. 113 (1991), 5084-5085) through a series of processes as shown in Scheme 2 below. Can be synthesized.
- the compound of formula 3 can be obtained by reacting 1-alkylvinyltrialkylvinylsilane with carbene produced by the reaction of methyllithium and dichloromethane.
- R 1 of Formulas 1 to 3 is substituted or unsubstituted C 3 -C 20 alkyl or C 4 -C 10 aryl, furanyl, pyran, or thiofuran, and the alkyl, aryl, furanyl, pyran, thiofuran It may be a substituent containing one or more selected from the group consisting of fluorine, chlorine, bromine, iodine, oxygen, sulfur, nitrogen, silicon, phosphorus.
- the cyclopropene precursors of Formulas 2 and 3 may be prepared by simply mixing 1-alkylcyclopropene of Formula 1 by simply mixing with a fluorine anion organic salt or a metal salt (NaF, LiF, KF, CsF, MgF 2 ). Can be.
- a fluorine anion organic salt or a metal salt NaF, LiF, KF, CsF, MgF 2 .
- fluorine anion salts include Bu 4 NF, Pr 4 NF, Me 4 NF Et 4 NF, n-Pentyl 4 NF, n-Hexyl 4 NF, BnBu 3 NF, BnPr 3 NF, BnMe 3 NF, BnEt 3 NF And tetraalkylammonium fluoride compounds represented by the following Chemical Formula 4 are preferable, and alkylammonium having a total of 10 or more carbon atoms such as Bu 4 NF, n-Pentyl 4 NF, n-Hexyl 4 NF, and BnEt 3 NF Salts are particularly preferred.
- R 5 , R 6 , R 7 and R 8 are each independently C 1 -C 20 alkyl or C 6 -C 15 aryl.
- step (a) it is preferred to use a solvent in order to proceed the mixing of the agent (i) and / or the agent (ii) more effectively.
- the solvent include DMSO, DMF, THF, dimethylsulfone, dimethylacetamide, 2-pyrrolidinone, 1-methyl-2-pyrrolidinone, 1,4-dioxane, diethyl ether, tert-butyl methyl ether, 1-methyl-2-pyrrolidinone , diglyme, ethyl acetate, acetonitrile, ethanol, isopropanol, butanol, propanol, ethylene glycol, toluene, xylene, water or a mixed solution thereof.
- the drug (i) and / or the drug (ii) are particularly preferably dissolved in a polar aprotic solvent
- the polar aprotic solvent is DMSO, DMF, dimethylsulfone, dimethylacetamide, 2-pyrrolidinone, 1-methyl-2
- DMSO dimethylsulfone
- dimethylacetamide dimethylacetamide
- 2-pyrrolidinone 1-methyl-2
- Particular preference is given to one or two or more selected from the group consisting of low volatility solvents such as -pyrrolidinone and the like.
- the phase separation in step (b) may be achieved by mixing a polar solvent and a non-polar solvent with the reaction solvent.
- the polar solvent is one or two or more selected from the group consisting of water, acetonitrile, ethylene glycol, and the like
- the nonpolar solvent is xylene, benzene, toluene, methylsilane, and ethylbenzene, propylbenzene, cumene, Composed of a mixed solvent of aromatic compounds, such as Kokosol, pentane, hexane, heptane, octane, saturated hydrocarbon compound, petroleum ether, ethyl ether, butyl ether, MTBE (Methyl Tertiary Butyl Ether) It is preferably one or two or more selected from the group.
- step (c) the 1-alkylcyclopropene is preferably separated in a dissolved state in a nonpolar solvent.
- the step (c) may further comprise the step of adding to the plant in a state in which a liquid solvent, a surfactant and a stabilizer is mixed with the phase-separated 1-alkylcyclopropene.
- a liquid solvent water, alcohol, pentane, hexane, One or two or more selected from the group consisting of petroleum ether, ethyl ether, MTBE and the like may be used.
- the cationic surfactant and the anionic surfactant can be used as the surfactant, anionic surfactants are generally more economical and convenient.
- the stabilizer is a water-soluble polymer such as polyacrylic acid, polymethacrylic acid, HPMC (Hydroxypropylmethyl cellulose), or polyethylene glycol isooctylphenyl ether, polyethylene glycol isooctylcyclohexyl ether, polystyrene It is preferably one or two or more selected from the group consisting of neutral surfactants such as glycol tristyrenylphenyl ether and the like.
- the content of 1-alkylcyclopropene, the solvent, the surfactant and the stabilizer in the preparation step is not particularly limited, but may be in the following ranges as non-limiting examples.
- 1-alkylcyclopropene phase separated from the preparation step (b) may be about 1 to 30% by weight based on the total weight of the solution in the phase separated step.
- the liquid solvent in the preparation step (c) may be 50 to 99% by weight, preferably 60 to 95% by weight based on the total weight of the mixed solution.
- the surfactant in the preparation step (c) may be 1 to 40% by weight, preferably 5 to 30% by weight based on the total weight of the mixed solution.
- the stabilizer may be 0.01 to 20% by weight, preferably 0.1 to 10% by weight based on the total weight of the mixed solution.
- the step (c) may further comprise the step of dividing to the plant in a diluted and dispersed state with a liquid solvent and / or solid extender.
- the liquid solvent that can be used as the extender is one, two or more selected from the group consisting of water, ethylene glycol, alcohol, pentane, hexane, petroleum ether, toluene, xylene, cocosol, MTBE and ethyl ether, and the like
- the extender is preferably one or more selected from the group consisting of starch, quicklime and mud.
- the concentration of the liquid solvent is different depending on the object to be treated, and it is more preferable to dilute 10 to 100,000 times based on the total weight of the mixed solution separated in step (b).
- the solid extender is more preferably diluted to 100 to 10,000 times based on the total weight of the mixed solution phase-separated in step (b).
- the division process to the plant from the preparation of the 1-alkylcyclopropene is usually completed within 50 hours.
- the short half-life of 1-alkylcyclopropene may prevent the proper concentration of 1-alkylcyclopropene from being divided into crops or plants.
- the dividing process is completed within 20 hours, and thus the better the efficacy of the dividing process can be expected.
- the present invention is a method of treating plants with 1-alkylcyclopropene of the formula (1) in the open place,
- step (e) adding the extract, mixture or dilution obtained in step (b), (c) or (d) to the plant; provides a method for performing the process in situ (in situ).
- the present invention also provides a kit for preparing 1-alkylcyclopropene in situ for treating a plant with 1-alkylcyclopropene of formula (1) in an open position, wherein (i) 1-alkylcyclopropene, comprising a 1-alkylcyclopropene precursor-containing agent of formula (2) or (3), (ii) the fluorine anion salt-containing agent, and (iii) a liquid solvent comprising a polar solvent and a nonpolar solvent provided are kits for pen manufacture.
- the kit is provided with a 1-alkylcyclopropene precursor and a fluorine anion salt separately, and additionally with a polar solvent and a nonpolar solvent, thereby providing 1-alkylcycloprop by the method according to the invention immediately prior to addition to the plant or crop.
- a pen is prepared and 1-alkylcyclopropene is separated via phase separation to allow for direct division in the field.
- the present invention is also formulated in situ in the same manner as described above (in situ) when the plant is separated, the formula is characterized in that the formulation is easy, excellent chemical stability, easy to analyze, and excellent performance 6 compound is provided.
- the cyclopropene derivatives developed so far to control the ethylene action of plants are 1-methylcyclopropene, 1-ethylcyclopropene, 1-propylcyclopropene, 1-butylcyclopropene, 1-pentylcycloprop 1-alkyl substituted with a C 1 to C 15 linear alkyl group as a derivative defined by the following Formula 5, such as a pen, 1-hexylcyclopropene, 1-octylcyclopropene, 1-decylcyclopropene, etc. While the efficacy of cyclopropene derivatives is excellent [US Pat. No.
- alkylcyclopropene derivatives including amines are known to be less effective [Postharvest Biology and Technology 51 (2009), 43-48].
- these simple linear alkyl-substituted 1-alkylcyclopropene derivatives do not have chromophores capable of emitting or absorbing light, the analysis method for detecting them is extremely limited. That is, in the case of gas at room temperature, such as cyclopropene, 1-methylcyclopropene, etc., gas chromatography can analyze even at low temperature of 50 degrees C or less.
- 1-alkylcyclopropene derivatives having a total carbon number of 10 or more generally can be subjected to gas chromatography analysis only after exposure to a high temperature oven.
- R 9 in Chemical Formula 5 is straight-chain C 1 -C 15 alkyl.
- A means a straight chain having a form of (CH 2 ) m Y (CH 2 ) n , m, n are each independently an integer of 0 to 3, Y is independently CH 2 , O, S;
- Z is at least one selected from the group consisting of hydrogen, alkyl, alkoxy, halogen, nitro and nitrile.
- the cyclopropene derivative including the aryl group can measure the absorbance in the UV band
- the derivatives of the following Chemical Formula 6 including the aryl group can easily utilize various analytical methods from the synthesis of raw materials, as well as the aryl ring and cyclopropene
- the length of the chain linking the ring was 2 or more, it was confirmed that the chemical stability of the derivative was increased. That is, as shown in Table 1 below, the safety of the cyclopropene derivative including an aryl substituent is 0 ⁇ 1-phenylcyclopropene ⁇ or 1 ⁇ 1-benzyl having a chain linking length between the cyclopropene ring and the aryl ring.
- Table 1 summarizes the relative chemical stability of chain lengths of 2, 3, 4, and 5 based on the degree of stability for chain length 1.
- the length of the chain is 1, the structure can be confirmed by measuring 1 H-NMR within 1 hour simultaneously with the synthesis (50% or more degradation within 1 hour at 30 ° C.), and the length of the chain is 0. Attempted synthesis in accordance with the method of the present invention, but the synthesis itself was impossible by the conventional method.
- the 1-alkylcyclopropene derivatives containing these aryl groups are not only chemically stable, but also when added to the plants in liquid formulations in the form of emulsions or emulsions. It was confirmed that the ethylene action was effectively suppressed. This can be confirmed by comparing the relative speed of red coloration to the tomato in Experimental Examples 1, 2, and 3 below, it was determined that the slower the red coloration rate is excellent in inhibiting the ethylene action of the plant. That is, in the comparative experiments of cyclopropene derivatives containing aryl groups having a chain length of 1 to 5 and 1-hexylcyclopropene, etc., compounds having a chain length of 2 or more, particularly 3 or more were excellent. . That is, the 1-alkylcyclopropene derivative including the aryl group (Formula 6) is much more effective in delaying the coloring of the tomato than the simple linear alkylcyclopropene derivative (Formula 5).
- the 1-alkylcyclopropene derivative including the aryl group has an additional advantage that the formulation is much easier than the simple linear alkylcyclopropene derivative (Formula 5) otherwise.
- the 1-alkylcyclopropene derivative in the simple form (Formula 5) It is still highly volatile and not only evaporates easily, but also forms a colloidal form without forming a perfect formulation with a mixture of liquid solvents and anionic surfactants such as toluene, cocosol and xylene which are commonly used in the formulation process.
- the 1-alkylcyclopropene derivative including the aryl group according to the present invention (Formula 6) has almost no volatility in itself and thus remains stable in solution, as well as liquid solvents such as toluene, cocosol, and anionic surfactants. It is possible to form a perfect formulation by forming a clear and clear solution with a mixture of.
- the formulated derivative of formula 6 was diluted with water and added to the plant in the form of an emulsion (see ⁇ Table 2> in Example 1), or when added to the plant by the emulsion itself ( It can be seen that it shows an excellent efficacy compared to 1-hexylcyclopropene of the formula (5), Example 5 below).
- the present invention provides a 1-alkylcyclopropene material as shown in the above formula (6), which is suitable for in situ formulation and separation into plants.
- a Grignard solution was prepared by slowly adding 6.3 g of 2-chloropropane in a 100 ml three neck round flask filled with 2.02 g of magnesium and 30 ml of ethyl ether in a reactor.
- 10.7 g of titanium (IV) isopropoxide and 3.7 g of vinyltrimethylsilane were added while cooling to -78 ° C, and the Grignard solution prepared above was slowly added for 30 minutes. .
- the reaction solution thus prepared was stirred vigorously for 2 hours while heated to -50 ° C, and then 4.8 g of phenylacetic acid methyl ester was slowly added for 30 minutes while maintaining the reaction solution at -50 ° C.
- reaction solution was stirred vigorously for 1 hour while heated to -20 ° C, and then stirred vigorously for 1 hour while heated to 0 ° C.
- 7 ml of concentrated brine was added, and the mixture was filtered using Celite, and the celite was washed once more with 20 ml of ether.
- the filtrate thus filtered was dried using anhydrous forget-me-not (MgSO 4 ), and then concentrated by distilling the solvent at a low temperature of 30 ° C. or lower.
- a Grignard solution was prepared by slowly adding 6.3 g of 2-chloropropane in a 100 ml three neck round flask filled with 2.02 g of magnesium and 30 ml of ethyl ether in a reactor.
- Another 100 ml three-necked round flask was prepared by adding 10.7 g of titanium (IV) isopropoxide, 3.7 g of vinyltrimethylsilane, and 5.5 g of 4-methoxyphenylacetic acid methyl ester while maintaining the temperature at 35 ° C.
- the nad solution was added slowly for 3 hours.
- the reaction solution was further stirred vigorously for 3 hours while being kept at 35 ° C.
- 1-pentylcyclopropene was obtained following the method of Preparation Example 14 using (trans) -1-pentyl-1- (methanesulfonyloxy) -2- (trimethylsilyl) cyclopropane of Preparation Example 8. However, because of their high volatility, they were difficult to purify by evaporating with the solvent in the process of evaporating and concentrating pentane.
- 1-alkylcyclopropene of Formula 1 illustrated in Preparation Examples 14 to 26 has low stability and thus is not easily stored for a long time. Therefore, the cyclopropene compound prepared here proceeds to the formulation process immediately using a surfactant simultaneously with the synthesis. Since the 1-alkylcyclopropene compound is a pure hydrocarbon compound, it is more convenient to formulate by dissolving in a solvent such as pentane, hexane, benzene, toluene, xylene, mesitylene, ethylbenzene and the like. At this time, the surfactant to be used may be both cationic surfactants and anionic surfactants, but in general, anionic surfactants are more economical and convenient.
- the formulation process will be described in more detail through specific examples such as Examples 1 to 6, but the scope of the present invention is not limited thereto.
- Example 1 In situ, in accordance with Example 1 using (trans) -1- (2-phenylethyl) -1- (methanesulfonyloxy) -2- (trimethylsilyl) cyclopropane of Preparation Example 1 Prepare a formulation of 1.0 mM concentration of-(2-phenylethyl) cyclopropene and dilute to 1 to 100-fold if necessary.
- Example 1 In situ, in accordance with Example 1 using (trans) -1- (4-phenylbutyl) -1- (methanesulfonyloxy) -2- (trimethylsilyl) cyclopropane of Preparation Example 1 Prepare a formulation at a concentration of 1.0 mM-(2-phenylbutyl) cyclopropene and dilute to 1 to 100-fold if necessary.
- Example 1 1- (2-phenylethyl) cyclopropene, 1- (3-phenylpropyl) cyclopropene, 1- (4-phenylbutyl) cyclopropene, 1- (5-phenylpentyl) according to the method of Example 1
- Prepare a 1.0 mM, 100 ⁇ M solution by preparing a formulation of 1.0 mM concentration for five drugs, such as cyclopropene and 1-hexylcyclopropene, and then treated with no treatment, surfactant and stabilizer (Sodium dodecylbezenesulfonate, Tristyrenylphenyl (ethoxy). ) And 12 ethanol) were compared with the control group.
- Tomatoes were harvested by picking tomatoes whose vertices began to be colored in pink, and then grouping them into groups of four, each of 12 groups, including untreated, control, and 100 ⁇ M and 1.0 mM of different concentrations. Divided by. The drug of the formulation prepared previously was treated with a domestic sprayer to soak the surface of the tomato and left for 3 days at room temperature (25 ⁇ 30 °C), the red color of the tomato was evaluated as 0-5.
- the tomato is evaluated based on the red colored area, not the red colored color. It was. That is, when the surface of the tomato is colored pink light is 10% or less, '0', when the surface of the tomato is completely red, '1' when the area is colored 10-40%, the surface of the tomato is red. '2' when the colored area is 40 to 70%, '3' when the surface of the tomato is colored red and '3' when more than 70% of the area is colored green and the bottom of the surface remains green.
- Example 1 in situ, 1- (2-phenylethyl) cyclopropene, 1- (3-phenylpropyl) cyclo according to the methods of Preparation Examples 15, 16, 17, 18, 22
- Five drugs of 1.0 mmol were prepared, including propene, 1- (4-phenylbutyl) cyclopropene, 1- (5-phenylpentyl) cyclopropene, and 1-hexylcyclopropene.
- ml and 5.0 ml of water are added, stirred vigorously for 5 minutes and left to stand.
- the mixture is divided into an organic solution layer (upper layer) and a water layer (lower layer), only the organic solution layer is separated and the water layer is discarded.
- 100 ml of hexane was added to the organic solution layer and mixed well to prepare an emulsion of 1.0 mM concentration.
- the selected tomatoes were grouped into four groups and divided into seven groups, such as an untreated group, a control group (solvent-treated group), and five drugs.
- the drug prepared above was soaked onto the surface of the tomato using a home sprayer and left at room temperature (25 to 30 ° C.) for 3 days to evaluate redness of the tomato as 0-5.
- the test results are shown in ⁇ Table 3>.
- Example 2 According to the method of Example 1 and Example 2, 1- (2- (4-methoxyphenyl) ethyl) cyclopropene, 1- (3- (4-methoxyphenyl) propyl) cyclopropene, 1- ( 1.0 mM emulsifiers and emulsions were prepared for four agents, such as 3-phenoxypropyl) cyclopropene and 1- (4-phenoxybutyl) cyclopropene.
- Tomatoes selected in the same manner as in Experimental Example 1 were grouped into groups of four, each divided into nine groups, such as untreated group, each of the four emulsifiers ( ⁇ ⁇ ⁇ ) and emulsion ( ⁇ ).
- the drug prepared above was soaked onto the surface of the tomato using a home sprayer and left at room temperature (25 to 30 ° C.) for 3 days to evaluate redness of the tomato as 0-5.
- the test results are shown in Table 4 below.
- the present invention is easy and convenient to prepare a 1-alkylcyclopropene derivative well known as a substance that inhibits the ethylene action of plants, such as fruits, flowers, vegetables, etc. in a closed space as well as in the agricultural field is open to all four sides and immediately added to the plant Makes it possible. Through this, it is expected that various physiological effects of ethylene-related plants can be effectively controlled after harvesting and during cultivation.
Abstract
Description
Claims (17)
- 식물체를 화학식 1의 1-알킬시클로프로펜으로 처리하는 방법으로서,(a) 서로 분리되어 공급되는 반응 약제들인 화학식 2 또는 화학식 3의 1-알킬시클로프로펜 전구물질 함유 약제(i)과 불소 음이온염 함유 약제(ii)를 혼합하여, 화학식 1의 1-알킬시클로프로펜을 제조하는 단계;(b) 상기 단계(a)와 동시에 또는 연속하여 반응용액으로부터 화학식 1의 1-알킬시클로프로펜을 상분리하는 단계; 및(c) 상기 상분리된 화학식 1의 1-알킬시클로프로펜을 식물체에 분가하는 단계;를 포함하는 과정을 현장에서(in situ) 실시하는 것을 특징으로 하는 방법:상기 식에서, A는 (CH2)mY(CH2)n의 형태를 갖는 직쇄형의 결합을 의미하고, m, n은 각각 독립적으로 0~3의 정수이고, Y는 각각 독립적으로 CH2, O 또는 S이며;R1은 치환 또는 비치환의 C3-C20 알킬 또는 C4-C10 아릴, 퓨란닐, 피란, 또는 티오퓨란이고, 상기 알킬, 아릴, 퓨란닐, 피란, 티오퓨란은 불소, 염소, 브롬, 요오드, 산소, 황, 질소, 실리콘, 인으로 이루어진 군에서 선택되는 하나 이상을 포함하는 치환기일 수 있으며;R2, R3, R4는 각각 독립적으로 치환 또는 비치환의 C1-C10 알킬 또는 알콕시, C6-C10 아릴 또는 아릴옥시, C1-C10 일차아민 또는 이차아민, 또는 할로겐이며;X는 할로겐 또는 OSO2T 이고, 여기서, T는 수소, 치환 또는 비치환의 C1-C10 알킬, 알콕시, 또는 아릴(aryl), 아릴옥시, 아민, 할로겐, 또는 히드록시이다.
- 제 1 항에 있어서, 상기 R1은 치환 또는 비치환의 C3-C20 알킬 또는 C4-C10 아릴, 퓨란닐, 피란, 티오퓨란인 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 상기 단계(a)에서 약제(i) 및/또는 약제(ii)는 극성 비양자성 용매에 용해되어 있는 것을 특징으로 하는 방법.
- 제 4 항에 있어서, 상기 극성 비양자성 용매는 DMF, DMSO, dimethylacetamide, dimethylsulfone, acetonitrile, 2-pyrrolidinone, 및 1-methyl-2-pyrrolidinone으로 이루어진 군에서 선택되는 하나 또는 둘 이상인 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 상기 단계(b)에서 상분리는 극성 용매와 비극성 용매를 반응용매와 혼합하여 달성되는 것을 특징으로 하는 방법.
- 제 6 항에 있어서, 상기 극성 용매는 물, 에틸렌글리콜 및 아세토니트닐로 이루어진 군에서 선택되는 하나 또는 둘 이상이고, 상기 비극성 용매는 자일렌(Xylene), 벤젠, 톨루엔, 메틸실렌, 에틸벤젠, 프로필벤젠, 이소프로필벤젠, 큐멘, 코코졸, 석유에테르, 펜탄, 헥산, 이소헥산, 헵탄, 옥탄, 데칸, 가솔린, 등유, 경유, 에틸에테르, 부틸에테르 및 MTBE로 이루어진 군에서 선택되는 하나 또는 둘 이상인 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 상기 단계(c)에서 1-알킬시클로프로펜을 비극성 휘발성 용매에 용해시킨 상태에서 휘발시키거나 분산시킴으로써 식물체에 분가시키는 과정을 추가로 포함하는 것을 특징으로 하는 방법.
- 제 8 항에 있어서, 상기 비극성 용매로는 펜탄, 헥산, 벤젠, 톨루엔, 에틸벤젠, 석유에테르, 에틸에테르 및 MTBE로 이루어진 군에서 선택되는 하나 또는 둘 이상인 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 상기 단계(c)는 상분리된 1-알킬시클로프로펜에 액상 용매, 계면활성제 및 안정제를 혼합한 상태에서 식물체에 분가하는 과정을 추가로 포함하는 것을 특징으로 하는 방법.
- 제 10 항에 있어서, 상기 액상 용매는 물, 에틸렌글리콜, 올리고에틸렌글리콜, 알코올, 펜탄, 헥산, 벤젠, 톨루엔, 에틸벤젠, 석유에테르, 에틸에테르 및 MTBE로 이루어진 군에서 선택되는 하나 또는 둘 이상이고, 상기 계면활성제는 음이온 계면활성제 및 양이온 계면활성제로 이루어진 군에서 선택되는 하나 또는 둘 이상이며, 상기 안정화제는 상기 안정화제는 수용성 폴리머 또는 폴리에틸렌글리콜과 같은 중성계면활성제로 이루어진 군에서 선택되는 하나 또는 둘 이상인 것을 특징으로 하는 방법.
- 제 1 항 또는 제 9 항에 있어서, 상기 단계(c)는 액상 용매 및/또는 고형의 증량제로 희석하고 분산시킨 상태에서 식물체에 분가하는 과정을 추가로 포함하는 것을 특징으로 하는 방법.
- 제 12 항에 있어서, 상기 액상 용매는 물, 에틸렌글리콜, 톨루엔, 벤젠, 자일렌, 에틸벤젠, 펜탄, 헥산, 에틸에테르 및 MTBE로 이루어진 군에서 선택되는 하나 또는 둘 이상이고, 상기 고형 증량제는 전분, 생석회, 및 진흙으로 이루어진 군에서 선택되는 하나 또는 둘 이상인 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 상기 1-알킬시클로프로펜을 제조로부터 식물체로의 부가 과정은 50 시간 이내에 완료되는 것을 특징으로 하는 방법.
- 식물체를 제 1 항 정의의 화학식 1의 1-알킬시클로프로펜으로 처리하는 방법으로서,(a) 서로 분리되어 공급되는 반응 약제들인 제 1 항 정의의 화학식 2 또는 화학식 3의 1-알킬시클로프로펜 전구물질 함유 약제(i)과 불소 음이온염 함유 약제(ii)를 혼합하여, 화학식 1의 1-알킬시클로프로펜을 제조하는 단계;(b) 반응 용액으로부터 화학식 1의 1-알킬시클로프로펜을 분리, 추출해 내는 단계;(c) 상기 제조된 1-알킬시클로프로펜을 액상 용매, 계면활성제 및 안정제 등과 혼합하는 단계;(d) 선택적으로, 액상 용매 및/또는 고형의 증량제로 희석하고 분산시키는 단계; 및(e) 상기 단계(b), (c) 또는 (d)에서 얻어진 추출액, 혼합액 또는 희석액을 식물체에 분가하는 단계;를 포함하는 과정을 현장에서(in situ) 실시하는 것을 특징으로 하는 방법.
- 개방된 곳에서 식물체를 화학식 1의 1-알킬시클로프로펜으로 처리하기 위해 현장에서(in situ) 1-알킬시클로프로펜을 제조하기 위한 키트(kit)로서, (i) 제 1 항 정의의 화학식 2 또는 화학식 3의 1-알킬시클로프로펜 전구물질 함유 약제, (ii) 제 1 항 정의의 불소 음이온염 함유 약제, 및 (iii) 극성 용매와 비극성 용매를 포함하는 액상 용매를 포함하고 있는 1-알킬시클로프로펜 제조용 키트(kit).
- 식물체에 처리하여, 식물의 숙성과정 및 노화과정을 촉진하는 에틸렌의 작용을 억제하는 1-알킬시클로프로펜으로서, 아릴기를 포함함으로써 분석이 용이하고, 제형화가 용이하며, 에틸렌 억제 효과가 우수한 것을 특징으로 하는 화학식 6의 1-알킬시클로프로펜:상기 식에서, A는 (CH2)mY(CH2)n의 형태를 갖는 직쇄형의 결합을 의미하고, 상기 m 및 n은 각각 독립적으로 0~3의 정수를 의미하며, 상기 Y는 CH2, O 또는 S이며;Z는 수소, 알킬, 알콕시, 할로겐, 니트로 및 니트릴로 이루어진 군에서 선택되는 하나 이상이다.
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AU2011243466A AU2011243466A1 (en) | 2010-04-22 | 2011-04-15 | Cyclopropene compound, and method for adding same to crops |
BR112012023874A BR112012023874A2 (pt) | 2010-04-22 | 2011-04-15 | ciclopropenos, método para aplicar ciclopropenos a produtos agrícolas ou colheitas e conjunto para preparar 1-alquilciclopropeno in situ |
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CA2800313A CA2800313A1 (en) | 2010-04-22 | 2011-04-15 | Cyclopropene compound, and method for adding same to crops |
EP11772176.1A EP2561754A4 (en) | 2010-04-22 | 2011-04-15 | CYCLOPROPIC COMPOUND AND METHOD OF INSERTING IT IN PLANTS |
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JP2013506068A JP2013525343A (ja) | 2010-04-22 | 2011-04-15 | シクロプロペンおよび農産物または作物にシクロプロペンを施用するための方法 |
US13/581,797 US9072293B2 (en) | 2010-04-22 | 2011-04-15 | Cyclopropenes and method for applying cyclopropenes to agricultural products or crops |
ZA2012/06836A ZA201206836B (en) | 2010-04-22 | 2012-09-12 | Cyclopropene compound, and method for adding same to crops |
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US9622482B2 (en) | 2014-05-12 | 2017-04-18 | Valent Biosciences Corporation | Methods for increasing oil palm yield |
BR112018008910A8 (pt) * | 2015-11-03 | 2019-02-26 | Univ Curtin Tech | método para retardar uma resposta de etileno em uma planta ou parte de planta |
IL292557A (en) * | 2016-02-19 | 2022-06-01 | Hazel Tech Inc | Preparations for the controlled release of active ingredients and methods for their preparation |
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Also Published As
Publication number | Publication date |
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EP2561754A2 (en) | 2013-02-27 |
MX2012010376A (es) | 2013-02-26 |
US9072293B2 (en) | 2015-07-07 |
CN102843906A (zh) | 2012-12-26 |
AR081894A1 (es) | 2012-10-31 |
AU2011243466A1 (en) | 2012-10-04 |
JP2013525343A (ja) | 2013-06-20 |
BR112012023874A2 (pt) | 2015-09-15 |
WO2011132888A3 (ko) | 2012-03-08 |
CL2011000817A1 (es) | 2011-08-26 |
IL222540A0 (en) | 2012-12-31 |
US20120322662A1 (en) | 2012-12-20 |
CA2800313A1 (en) | 2011-10-27 |
CN102843906B (zh) | 2015-07-01 |
KR20110118077A (ko) | 2011-10-28 |
KR101429554B1 (ko) | 2014-08-14 |
EP2561754A4 (en) | 2014-10-08 |
ZA201206836B (en) | 2015-05-27 |
NZ602296A (en) | 2014-04-30 |
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