WO2011142009A1 - 木材保存用防腐剤および木材処理方法 - Google Patents
木材保存用防腐剤および木材処理方法 Download PDFInfo
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- WO2011142009A1 WO2011142009A1 PCT/JP2010/058031 JP2010058031W WO2011142009A1 WO 2011142009 A1 WO2011142009 A1 WO 2011142009A1 JP 2010058031 W JP2010058031 W JP 2010058031W WO 2011142009 A1 WO2011142009 A1 WO 2011142009A1
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- Prior art keywords
- wood
- preservative
- compound
- methyl
- carboxylic acid
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/06—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
- A01N43/08—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings with oxygen as the ring hetero atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/68—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/16—Inorganic impregnating agents
- B27K3/22—Compounds of zinc or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
- B27K3/343—Heterocyclic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
- B27K3/38—Aromatic compounds
- B27K3/40—Aromatic compounds halogenated
Definitions
- the present invention relates to a preservative for preserving wood. More specifically, 3'-isopropyl-5-methyl-2-trifluoromethylfuran-3-carboxylic acid anilide and / or 3'-isopropoxy-5-methyl-2-trifluoromethylfuran- having a bactericidal effect Preservative for wood preservation which contains 3-carboxylic acid anilide and has high antiseptic effect to increase economic efficiency and reduce the burden on the environment, and further 3'-isopropyl-5-methyl-2-trifluoromethyl Furan-3-carboxylic acid anilide and / or 3′-isopropoxy-5-methyl-2-trifluoromethylfuran-3-carboxylic acid anilide and a triazole compound are contained, and the synergistic effect increases the antiseptic effect and economic efficiency.
- the present invention relates to a preservative for preserving wood that further increases and reduces the burden on the environment.
- Wood is a useful material used in various fields, but it has the disadvantage that it deteriorates due to wood decay fungi and causes a significant decrease in strength. Therefore, various inorganic and organic preservatives have been conventionally used to prevent deterioration caused by various wood-rotting fungi.
- various inorganic and organic preservatives have been conventionally used to prevent deterioration caused by various wood-rotting fungi.
- drugs have a large impact on the human body and a large burden on the environment due to the use of high concentrations, and there is a need for a drug that is more effective, more economical, and has a lower burden on the environment. It has been.
- Methyl-2-trifluoromethylfuran-3-carboxylic acid anilide belongs to the acid anilide fungicides.
- acid anilide fungicides there have been many documents for a long time.
- Patent Document 1 discloses o-trifluoromethyl-m′- for controlling rice bran disease.
- Patent Publication No. 53-9739 discloses o-trifluoromethyl-m′- for controlling rice bran disease.
- Patent Document 2 uses 2-methylbenzanilide derivatives as agricultural and horticultural fungicides, and Japanese Patent Publication No. 55-41202 (Patent Document 3) shows agriculture.
- Patent Document 3 a benzamide derivative having a specific structure as a horticultural fungicide, and JP-A-60-197603 (Patent Document 4) discloses o-trifluoromethyl-m′-isopropoxybenzoic acid anilide as an agaricidal agent.
- Patent Document 5 JP-B 63-38966 discloses 2-substituted benzanilide compounds having a specific structure as wood preservatives and fungicides
- Kaihei 1-143804 Patent Document 6; US4942178 discloses a 3′-isopropylbenzanilide derivative having a specific structure as an agricultural and horticultural fungicide
- Patent Document 7 discloses a sterilization.
- Japanese Patent Publication No. 50-10376 Patent Document 8; US3959481) discloses an acid anilide derivative having a specific structure as an agent composition, and a furan having a specific structure as a composition for protecting plants from diseases.
- Patent Document 9 discloses a 3-carboxyamide derivative, a dimethylfurancarboxyanilide derivative having a specific structure as a wood preservative
- Patent Document 10 discloses Japanese Patent No. 2995172
- Patent No. 3083659 discloses 2,5-dimethylfuran as a wood preservative composition or wood preservative.
- the 3-carboxy anilide disclose.
- Compound A and Compound B are not disclosed at all in these documents, and there is no description about synthesis examples, activity against wood-rotting fungi, and the like.
- Japanese Patent Publication No.53-9739 Japanese Examined Patent Publication No. 53-12773 Japanese Patent Publication No.55-41202 JP 60-197603 A Japanese Patent Publication No. 63-38966 Japanese Patent Laid-Open No. 1-143804 Japanese Patent Publication No. 48-1171 Japanese Patent Publication No. 50-10376 Japanese Patent No. 2825745 Japanese Patent No. 2957172 Japanese Patent No. 3083659
- An object of the present invention is to provide a preservative for wood preservation and a method for treating wood, which are more effective, economical, and have a low environmental burden.
- the inventors of the present invention have conducted extensive studies on effective antiseptic components against various wood-rotting fungi. As a result, it was found that by containing Compound A and / or Compound B as an active ingredient, an excellent antiseptic effect can be obtained at an extremely low dose. Furthermore, by including Compound A and / or Compound B and a triazole fungicide as active ingredients, a synergistic effect is recognized in both effects, and an excellent antiseptic effect can be obtained at a much lower dose.
- the headline and the present invention have been completed.
- the present invention provides the following preservatives for wood preservation and wood treatment methods.
- R represents an isopropyl group or an isopropoxyl group.
- An antiseptic for preserving wood characterized by containing -3-carboxylic acid anilide as an active ingredient.
- the wood preservative according to (2) further comprising a triazole fungicide.
- the preservative for wood preservation according to (3) wherein the triazole fungicide is one or more fungicides selected from cyproconazole, epoxiconazole, and tetraconazole.
- the present invention provides a 5-methyl-2-trifluoromethylfuran-3-carboxylic acid anilide derivative useful as a wood preservative, a wood preservative and a wood treatment method using the derivative.
- the preservative for wood preservation of the present invention has an excellent antiseptic effect at a very low dose against various wood-rotting fungi, is excellent in economic efficiency, and has a low environmental burden.
- 5-methyl-2-trifluoromethylfuran-3-carboxylic acid anilide derivative means 3′-isopropyl-5-methyl-2-trifluoromethylfuran-3-carboxylic acid anilide (compound A) and 3 ′ '-Isopropoxy-5-methyl-2-trifluoromethylfuran-3-carboxylic acid anilide (Compound B), Compound A and Compound B can be produced by known methods, and preferably It can be produced by a method showing a reaction formula.
- X represents a halogen atom such as chlorine, bromine or iodine, but is preferably a chlorine atom.
- R represents an isopropyl group or an isopropoxy group.
- the starting compound 1 can be obtained by halogenating a known 5-methyl-2-trifluoromethylfuran-3-carboxylic acid produced by a known method with thionyl chloride, oxalyl chloride or the like.
- the raw material compound 2 known 3-isopropylaniline or 3-isopropoxyaniline produced by a known method can be used.
- compound A or B can be obtained by reacting raw material compound 1 with raw material compound 2 in the presence of a dehydrohalogenating agent in an inert solvent.
- the inert solvent examples include halogenated hydrocarbons such as dichloromethane, chloroform, dichloroethane and carbon tetrachloride, aromatic hydrocarbons such as benzene, toluene and xylene, ethers such as diethyl ether, isopropyl ether, tetrahydrofuran and dioxane. Acetone, ethyl acetate, hexane or a mixed solvent thereof can be used.
- halogenated hydrocarbons such as dichloromethane, chloroform, dichloroethane and carbon tetrachloride
- aromatic hydrocarbons such as benzene, toluene and xylene
- ethers such as diethyl ether, isopropyl ether, tetrahydrofuran and dioxane.
- Acetone, ethyl acetate, hexane or a mixed solvent thereof can be used.
- dehydrohalogenating agents examples include triethylamine, diisopropylethylamine, pyridine and the like.
- reaction temperature a temperature from 0 ° C. to the boiling point of the solvent can be selected, but a temperature of room temperature to 150 ° C. is preferably selected.
- the reaction time is not particularly limited, but is preferably about 0.5 to 3 hours.
- the preservative for preserving wood according to the present invention contains the 5-methyl-2-trifluoromethylfuran-3-carboxyanilide derivative as an active ingredient. Moreover, the antiseptic
- triazole fungicides used in the present invention can be used.
- examples of triazole fungicides include azaconazole, vitertanol, bromconazole, cyproconazole, diniconazole, epoxiconazole, fenbuconazole, fukuquinconazole, flusilazole, flutriazole, hexaconazole, imibenconazole , Ipconazole, metconazole, microbutanyl, paclobutrazol, penconazole, propiconazole, tebuconazole, tetraconazole, triazimephone, triazimenol, triticonazole, uniconazole, etc., but cyproconazole, epoxiconazole And tetraconazole are preferred.
- the preservative for preserving wood in the present invention When actually using the preservative for preserving wood in the present invention, it may be used as it is without adding any other components, but usually mixed with a solid carrier, a liquid carrier, or a gas carrier, If necessary, surfactants and other formulation aids are added to formulate and apply to oils, emulsions, solubilizers, wettable powders, suspensions, flowables, powders and the like.
- an anionic, nonionic, cationic, or zwitterionic surfactant can be used as the surfactant used for formulation.
- the active ingredient (compound A and / or compound B or the total amount of compound A and / or compound B and triazole fungicide) is usually 0.01 to 90% by mass, preferably 0.1 to 50%. It is contained by mass. Further, when compound A and / or compound B and a triazole fungicide are mixed and used, the mixing ratio of compound A and / or compound B and the triazole fungicide in these preparations is a mass ratio, usually 1: 100 to 100: 1, preferably 1:10 to 10: 1.
- the concentration of the preservative for preserving wood in the present invention when applied to wood is usually 0.1 to 500 g / m 3 , preferably 1 to 100 g / m 3 .
- the antiseptic for preserving wood of the present invention can be used in combination with other antibiotic compounds to further enhance the antibiotic effect of the drug or expand the action spectrum.
- Wood treatment with these antibiotic compounds can be carried out as a pretreatment or post-treatment of the preservative treatment according to the present invention, but what is added to the preservative for wood preservation of the present invention is formulated and simultaneously treated with wood. It is useful to save labor.
- a copper compound can be mentioned.
- copper compounds include copper sulfate, copper chloride, copper phosphate, copper hydroxide, copper carbonate, basic copper carbonate, basic copper acetate, basic copper phosphate, basic copper chloride, copper oxide, suboxide Copper, copper acetate, copper naphthenate, copper oleate, copper stearate, copper octoate, copper benzoate, copper citrate, copper lactate, copper tartrate, copper 2-ethylhexanoate, these compounds in water-soluble state And the like, and hydrates of these compounds.
- the compounding ratio of the copper compound and compound A and / or B is usually 10: 1 to 1000: 1, preferably by mass ratio. Is 20: 1 to 500: 1.
- ammonium-based compounds and amine-based compounds can be used in order to make the copper compound a stable solution.
- various carbonate compounds, carboxylic acid compounds, or mineral acids can be further added and used.
- boric acid, naphthenic acid, formic acid, acetic acid, propionic acid can be used.
- Hexanoic acid, heptanoic acid, octanoic acid, stearic acid, palmitic acid, oleic acid benzoic acid, citric acid, lactic acid, tartaric acid, malic acid, succinic acid, adipic acid, fumaric acid, malonic acid, gluconic acid, sebacic acid, Cyclohexane acid, 2-ethylhexanoic acid, isooctanoic acid, sodium bicarbonate, ammonium bicarbonate, phosphoric acid, sodium dihydrogen phosphate, potassium dihydrogen phosphate, and hydrates thereof can be used.
- antibiotic compounds used in combination with the antiseptic for preserving wood of the present invention in order to enhance the antibiotic effect or expand the action spectrum include azoxystrobin, picoxy Strobins such as strobin and pyraclostrobin; Sulfonamides such as dichlorofluanide (eupalene), trifluanide (methyl leuparene), cyclofluoride, folpette, fluorophorpet; carbendazim (MBC), benomyl, fuberitazole, thiabendazole Or benzimidazoles such as their salts; thiocyanates such as thiocyanatomethylthiobenzothiazole (TCMTB), methylebbisthiocyanate (MBT); benzyldimethyltetradecylammonium chloride, benzyl-dimethyl- Sill - ammonium chloride, didecyl - dimethyl - ammonium chloride, N- alkylbenzyl methyl ammonium chloride
- R 1 , R 2 , R 3 , and R 4 are organic substituents having up to 20 carbon atoms linked by a carbon nitrogen bond, and X n ⁇ is an inorganic or organic valence n And n is 1, 2 or 3.)
- the quaternary ammonium compound shown by these is also mentioned as a suitable example of the antibiotic compound which can be used for the objective of this invention.
- Wood treatment with these antibiotic compounds can be carried out as pre-treatment or post-treatment of wood treatment with the wood preservative of the present invention, but the wood of the present invention as in the case of the aforementioned copper compound. It is useful for labor saving to formulate what is added to the preservative for preservation and to treat the wood at the same time.
- the compounding ratio of the antibiotic compound and compounds A and / or B depends on the efficacy of the antibiotic compound used. Although used in various ratios, the mass ratio is usually 0.01: 1 to 1000: 1, preferably 0.1: 1 to 500: 1. Moreover, these antibiotic compounds may be used alone or in combination.
- [Wood-rot fungi] The following fungal species are included in the wood-rotting fungi to which the preservative for preservation of wood of the present invention works effectively.
- Coniophora souna Coniophora souna
- Trametes versicolor Trametes versicolor
- Postia placenta Postia vaporaria , Poria vaillantii ⁇ Sepiariumu (Gloeophylium sepiarium), Guroe office helium-Adoratamu (Gloeophylium adoratum), Guroe office helium-Abietinamu (Gloeophylium abietinum), Guroe office helium-Torabeumu (Gloeophylium trabeum), Guroe office helium-Purotakutamu (Gloeophylium protactum), Rentinasu-Repidousu ( Lentinus lepid
- Wood discoloration bacteria to which the preservative for preservation of wood of the present invention works effectively include the following bacterial species.
- Aureobasidium pullulans (Aureobasidium pullulans), Sukurerofu-Pitiofira (Scleroph pithyophila), Sukopuura-Fikomisesu (Scopular phycomyces), Aspergillus niger (Aspergillus niger), Penicillium Bariabiru (Penicillium variabile), Trichoderma viride (Trichoderma viride) , Trichoderma Rigunoramu (Trichoderma rignorum), Deuteromycetes including Dakutireumu-Fusarioidesu (Dactyleum fusarioides). Ascomycetes including Caratocystis minor . A zygomycete containing Mucor spinosus .
- the preservative for preserving wood according to the present invention can be used as a treatment agent for various wooden substances, such as wood, wood pieces, wood flour, plywood, veneer laminate, fiber board, particle board, wood processed product, fir, cocoon A favorable effect can be obtained in the treatment of bamboo.
- save of this invention can be used for processing of lumber, wood, a timber processed product, and a building.
- the shape of the wood can be applied to any of logs, plates, squares, bars, plywood, veneer laminates, chipboards and the like.
- the treatment using the preservative for preserving wood of the present invention can be applied to the above-mentioned object by a method similar to the method applied as a usual countermeasure against decay.
- wood treatment application, spraying, dipping, pressurization, perforation treatment, etc. are usually carried out, and as treatment for plywood and veneer laminates, veneer treatment, adhesive mixing treatment, laminating treatment, etc. are usually performed. It can be applied to both.
- reaction product was purified by silica gel column chromatography, recrystallized from an ethyl acetate / hexane solvent, and colorless of 3'-isopropyl-5-methyl-2-trifluoromethylfuran-3-carboxylic acid anilide. 1.1 g of crystals were obtained.
- Synthesis Example 2 Compound B Using 0.9 g of 5-methyl-2-trifluoromethylfuran-3-carbonyl chloride, 0.56 ml of triethylamine, and 0.60 g of 3-isopropoxyaniline (Sigma Aldrich Japan Co., Ltd.), the same reaction as in Synthesis Example 1 and Post-treatment was performed to obtain 1.0 g of light yellow crystals of 3′-isopropoxy-5-methyl-2-trifluoromethylfuran-3-carboxylic acid anilide.
- Synthesis Example 3 Comparative Compound 1 (Compound disclosed in Japanese Patent No. 2825745 (US5977168)) The same reaction and post-treatment procedure as in Synthesis Example 1 using 1.0 g of 2,5-dimethylfuran-3-carbonyl chloride (Sigma Aldrich Japan Co., Ltd.), 0.88 ml of triethylamine and 0.85 g of 3-isopropylaniline To obtain 1.2 g of pale yellow crystals of 3′-isopropyl-2,5-dimethylfuran-3-carboxylic acid anilide.
- Synthesis Example 4 Comparative compound 2 (compound disclosed in Japanese Patent No. 2825745 (US5977168)) Using 1.0 g of 2,5-dimethylfuran-3-carbonyl chloride, 0.88 ml of triethylamine and 0.85 g of 3-ethylaniline, the same reaction and post-treatment operations as in Synthesis Example 1 were carried out, and 3′-ethyl Obtained were 1.1 g of white crystals of -2,5-dimethylfuran-3-carboxylic acid anilide.
- Synthesis Example 5 Comparative compound 3 (Japanese Patent No. 3083659 disclosed compound) Using 1.0 g of 2,5-dimethylfuran-3-carbonyl chloride, 0.88 ml of triethylamine and 0.85 g of 3-methylaniline, the same reaction and post-treatment operations as in Synthesis Example 1 were performed, and 3′-methyl Obtained were 1.1 g of white crystals of -2,5-dimethylfuran-3-carboxylic acid anilide. Melting point: 100-102 ° C. 1 HNMR (CDCl 3 ) ⁇ ppm; 7.48-6.09 (5H, m), 2.36 (3H, s), 2.60 (3H, s), 2.28 (3H, s).
- Synthesis Example 6 Comparative compound 4 (Japanese Unexamined Patent Publication No. 53-9739 (US4093743), Japanese Unexamined Patent Publication No. 60-197603 and Japanese Patent Publication No. 63-38966) Using 1.0 g of 2-trifluoromethylbenzoic acid chloride (Sigma Aldrich Japan Co., Ltd.), 0.70 ml of triethylamine and 0.76 g of 3-isopropoxyaniline, the same reaction and post-treatment operations as in Synthesis Example 1 were performed. 1.4 g of pale yellow crystals of 3′-isopropoxy-2-trifluoromethylbenzoic acid anilide was obtained.
- Synthesis Example 7 Comparative compound 5 (disclosed in Japanese Patent Publication No. 63-38966) Using 0.77 g of 2-methylbenzoyl chloride (Sigma Aldrich Japan Co., Ltd.), 0.70 ml of triethylamine and 0.76 g of 3-isopropoxyaniline, the same reaction and post-treatment operations as in Synthesis Example 1 were performed. -1.3 g of colorless crystals of isopropoxy-2-methylbenzoic acid anilide were obtained.
- Synthesis Example 8 Comparative compound 6 (disclosed in Japanese Patent Publication No. 53-12773 (US4123554)) Using 1.0 g of 2-methylbenzoyl chloride (Sigma-Aldrich Japan Co., Ltd.), 0.88 ml of triethylamine and 0.85 g of 3-isopropylaniline, the same reaction and post-treatment operations as in Synthesis Example 1 were performed. 1.5 g of light brown crystals of isopropyl-2-methylbenzoic acid anilide was obtained.
- Synthesis Example 9 Comparative compound 7 Dissolve 0.28 g of 3-furancarboxylic acid (Sigma Aldrich Japan Co., Ltd.) and 0.34 g of 3-isopropylaniline in 20 ml of methylene chloride, add 0.53 g of WSCI / HCl (Tokyo Chemical Industry Co., Ltd.) under ice cooling. After stirring for 1 hour at room temperature, the reaction was carried out by refluxing for 1 hour. Thereafter, the same post-treatment operation as in Synthesis Example 1 was performed to obtain 0.34 g of light yellow crystals of 3′-isopropyl-3-furancarboxylic acid anilide.
- Synthesis Example 10 Comparative compound 8 After dissolving 0.32 g of 2-methyl-3-furancarboxylic acid (Sigma Aldrich Japan Co., Ltd.) and 0.34 g of 3-isopropylaniline in 20 ml of methylene chloride and adding 0.53 g of WSCI / HCl under ice cooling, After stirring for 1 hour, the reaction was carried out by refluxing for 1 hour. Thereafter, the same post-treatment operation as in Synthesis Example 1 was performed to obtain 0.34 g of a pale yellow oily compound of 3′-isopropyl-2-methylfuran-3-carboxylic acid anilide.
- Synthesis Example 11 Comparative compound 9 4-methylthiazole-5-carboxylic acid (Sigma Aldrich Japan Co., Ltd.) (0.36 g) and 3-isopropylaniline (0.34 g) were dissolved in 20 ml of methylene chloride. Under ice-cooling, 0.53 g of WSCI / HCl was added to room temperature. After stirring for 1 hour, the reaction was carried out by refluxing for 1 hour. Thereafter, the same post-treatment operation as in Synthesis Example 1 was performed to obtain 0.40 g of a colorless gum-like compound of 3′-isopropyl-4-methylthiazole-5-carboxylic acid anilide.
- Synthesis Example 12 Comparative compound 10 2,9-dimethyl-1,3-thiazole-5-carboxylic acid (Sigma Aldrich Japan Co., Ltd.) (0.39 g) and 3-isopropylaniline (0.34 g) were dissolved in 20 ml of methylene chloride. After adding 53 g, the mixture was stirred at room temperature for 1 hour and then reacted for 1 hour by refluxing. Thereafter, the same post-treatment operation as in Synthesis Example 1 was carried out to obtain 0.45 g of a pale yellow oily compound of 3′-isopropyl-2,4-dimethyl-1,3-thiazole-5-carboxylic acid anilide.
- Synthesis Example 13 Comparative compound 11 2-methyl-4-trifluoromethyl-1,3-thiazole-5-carboxylic acid (Sigma Aldrich Japan Co., Ltd.) (0.46 g) and 3-isopropylaniline (0.30 g) were dissolved in methylene chloride (20 ml). After adding 0.47 g of WSCI / HCl, the mixture was stirred at room temperature for 1 hour and then reacted for 1 hour by refluxing. Thereafter, the same post-treatment operation as in Synthesis Example 1 was carried out, and 0.54 g of a pale yellow oily compound of 3′-isopropyl-2-methyl-4-trifluoromethyl-1,3-thiazole-5-carboxylic acid anilide was obtained.
- Synthesis Example 14 Comparative compound 12 After dissolving 0.35 g of 2,5-dimethylpyrrole-3-carboxylic acid (Sigma Aldrich Japan Co., Ltd.) and 0.34 g of 3-isopropylaniline in 20 ml of methylene chloride, 0.53 g of WSCI / HCl was added under ice cooling. After stirring for 1 hour at room temperature, the reaction was performed by refluxing for 1 hour. Thereafter, the same post-treatment operation as in Synthesis Example 1 was performed to obtain 0.17 g of light brown crystals of 3′-isopropyl-2,5-dimethylpyrrole-3-carboxylic acid anilide.
- Synthesis Example 15 Comparative compound 13 0.49 g of 1-methyl-3-trifluoromethylpyrazole-4-carboxylic acid (Sigma Aldrich Japan Co., Ltd.) and 0.34 g of 3-isopropylaniline are dissolved in 20 ml of methylene chloride, and 0.53 g of WSCI / HCl is cooled under ice cooling. After stirring, the mixture was stirred at room temperature for 1 hour and refluxed for 1 hour to react. Thereafter, the same post-treatment operation as in Synthesis Example 1 was performed to obtain 0.34 g of colorless crystals of 3′-isopropyl-1-methyl-3-trifluoromethylpyrazole-4-carboxylic acid anilide.
- Example 1 1% w / v dimethyl sulfoxide solutions of compounds A and B and comparative compounds 1 to 13 were prepared. This drug was diluted with dimethyl sulfoxide, and a predetermined amount was sufficiently mixed with sterilized potato dextrose agar medium, poured into a petri dish having a diameter of 90 mm, and allowed to stand at room temperature. As a control, a potato dextrose agar medium to which only dimethyl sulfoxide was added was prepared in the same manner.
- the mycelium was removed from a colony of Fomitopsis palustris , a typical wood-rotting fungus that had been cultured in advance, with a cork borer having a diameter of 5 mm, and inoculated into the center of the test medium.
- the petri dish was cultured at 25 ° C., the diameter of the colony that spread from the inoculation source on the seventh day was measured, and the growth inhibition rate of the bacterium was compared with the diameter of the control colony by the following formula, and expressed as the degree of inhibition.
- Table 1 The effects of Compounds A and B on Prunus edodes were clearly stronger than those previously disclosed.
- Example 2 1% w / v dimethyl sulfoxide solution of compounds A and B, cyproconazole (Wako Pure Chemical Industries, Ltd.), epoxyconazole (Wako Pure Chemical Industries, Ltd.), tetraconazole (Wako Pure Chemical Industries, Ltd.) Were prepared respectively.
- This drug was diluted with dimethyl sulfoxide, and a predetermined amount was sufficiently mixed with sterilized potato dextrose agar medium, poured into a petri dish having a diameter of 90 mm, and allowed to stand at room temperature.
- a potato dextrose agar medium to which only dimethyl sulfoxide was added was prepared in the same manner.
- the mycelium was removed from a colony of Trametes versicolor , a typical wood-rotting fungus that had been cultured in advance, with a cork borer having a diameter of 5 mm, and inoculated into the center of the test medium.
- the petri dish was cultured at 25 ° C., the diameter of the colony that spread from the inoculation source on the seventh day was measured, and the growth inhibition rate of the fungus compared with the diameter of the control colony was obtained by the above formula, and the measured growth inhibition rate was expressed as did.
- Table 2 The results are shown in Table 2.
- Example 3 A wood preservative containing 16% by weight of basic copper carbonate, 40% by weight of monoethanolamine and 5% by weight of benzoic acid was prepared using distilled water as a solvent. To this wood preservative, compounds A and B and epoxiconazole previously dissolved in a small amount of ethanol were added to a predetermined concentration.
- PROTOCOLS FOR ASSESSMENT OF WOOD PRESERVATIVES, LABORATORY DECAY After being diluted with distilled water and pressure-injected into test specimen radiatapine sapwood (20 ⁇ 20 ⁇ 20 mm), it was air-dried and subjected to weathering operation according to the protocol.
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Abstract
Description
しかしながら、化合物Aおよび化合物Bについては、これらの文献に何ら開示されておらず、合成例、木材腐朽菌への活性等について全く記載が無い。
(1)次式
で示される5-メチル-2-トリフルオロメチルフラン-3-カルボキシアニリド誘導体。
(2)前記(1)に記載の3’-イソプロピル-5-メチル-2-トリフルオロメチルフラン-3-カルボン酸アニリドおよび/または3’-イソプロポキシ-5-メチル-2-トリフルオロメチルフラン-3-カルボン酸アニリドを有効成分として含有することを特徴とする木材保存用防腐剤。
(3)さらに、トリアゾール系殺菌剤を含有する前記(2)に記載の木材保存用防腐剤。
(4)トリアゾール系殺菌剤が、シプロコナゾール、エポキシコナゾール、およびテトラコナゾールから選ばれる1以上の殺菌剤である前記(3)に記載の木材保存用防腐剤。
(5)さらに、他の抗生物性化合物を含む前記(2)~(4)のいずれかに記載の木材保存用防腐剤。
(6)抗生物性化合物が、銅化合物から選択されるものである前記(5)に記載の木材保存用防腐剤。
(7)前記(1)~(6)のいずれかに記載の防腐剤を用いて処理を行うことを特徴とする木材保存処理方法。
本発明の木材保存用防腐剤は各種の木材腐朽菌に対して極めて低薬量にて優れた防腐効果を有し、経済性に優れ、環境に対する負荷が小さい。
反応時間は、特に限定されないが、好適には0.5~3時間程度である。
製剤化に使用される界面活性剤としては、アニオン系、ノニオン系、カチオン系、または両性イオン系の界面活性剤を使用することができる。
また、本発明における木材保存用防腐剤を木材に施用する際の濃度は、通常0.1~500g/m3、好ましくは、1~100g/m3である。
で示される第四級アンモニウム化合物も、本発明の目的で用いることのできる抗生物性化合物の好適な例として挙げられる。具体的には、塩化ジデシルジメチルアンモニウム、塩化ベンザルコニウム、塩化ジオクチルジメチルアンモニウム、塩化ジラウリルジメチルアンモニウム、塩化ラウリルトチメチルアンモニウム、塩化セチルトチメチルアンモニウム、塩化オクタデシルピコリニウム、塩化オクチルジデシルピリジニウムアンモニウム、臭化ラウリルイソキノリニウム等が挙げられる。
また、これらの抗生物性化合物は単独で用いても組み合わせて用いてもよい。
本発明の木材保存用防腐剤が有効に作用する木材腐朽菌には以下の菌種が含まれる。コニオフォラ・プテアナ(イドタケ)(Coniophora puteana)、トラメテス・ベルシコラー(カワラタケ)(Trametes versicolor)、ポスティア・プラセンタ(Postia placenta)、ポスティア・バポラリア(Poria vaporaria)、ポリア・バイランティー(Poria vaillantii)、グロエオフィリウム・セピアリウム(Gloeophylium sepiarium)、グロエオフィリウム・アドラタム(Gloeophylium adoratum)、グロエオフィリウム・アビエティナム(Gloeophylium abietinum)、グロエオフィリウム・トラベウム(Gloeophylium trabeum)、グロエオフィリウム・プロタクタム(Gloeophylium protactum)、レンティナス・レピドウス(Lentinus lepideus)、レンティナス・エドデス(Lentinus edodes)、レンティナス・シアチフォルメス(Lentinus cyathiformes)、レンティナス・スクアロロサス(Lentinus squarrolosus)、パキシラス・パヌオイデス(Paxillus panuoides)、ホミトプシス・パルストリス(オオウズラタケ)(Fomitopsis palustris)、プレウロタス・オストレアタス(Pleurotus ostreatus)、ドンキオポリア・エクスパンサ(Donkioporia expansa)、セルプウラ・ラクリマンス(Serpula lacrymans)、セルプウラ・ヒマントイデス(Serpula himantoides)、グレノスポラ・グラフィー(Glenospora graphii)、ホミトプシス・リラシノギルバ(Fomitopsis lilacino-gilva)、ペレニポリア・テフロポラ(Perenniporia tephropora)、アントロディア・キサンタ(Antrodia xantha)、アントロディア・バイランティー(Antrodia vaillantii)を含む担子菌類、クラドスポリウム・ヘルバラム(Cladosporium herbarum)を含む不完全菌類、ケトミウム・グロブサム(Chaetomiumu globsum)、ケトミウム・アルバアレナラム(Chaetomium alba-arenulum)、ペトリエラ・セティフェラ(Petriella setifera)、トリチュラス・スピラリス(Trichurus spiralis)、フミコウラ・グリセラ(Humicola grisera)を含む子嚢菌類。
本発明の木材保存用防腐剤は、様々な木製物質の処理剤として利用可能であり、木材、木片、木粉、合板、単板積層材、ファイバーボード、パーティクルボード、木質加工品、モミ、藁、竹材等の処理において好ましい効果を得ることができる。
本発明の木材保存用防腐剤は、製材、木材、木材加工品および建造物の処理に使用できる。例えば、土台、大引、根太、床板、胴縁、間柱、床下地板、筋かい、垂木、屋根下地板、浴室軸組および床組材、外構部材、ログハウス、バルコニー、テラス、門塀、東屋、ぬれ縁、デッキ材等の屋外建築用部材、枕木、電柱、基礎杭、道路用防音壁、橋梁等の土木用等に用いられる。木材の形状は、丸太、板材、角材、棒材、合板、単板積層材、チップボード等のいずれにも適用できる。
本発明の木材保存用防腐剤を用いる処理は、上記の対象物に対し、通常の腐朽対策として施されている方法と同様の方法で施すことができる。木材処理としては、塗布、吹き付け、浸漬、加圧、穿孔処理等が、合板、単板積層材に対する処理としては、単板処理、接着剤混入処理、成板処理等が通常行われ、これらのいずれにも適用できる。
合成例1:化合物A
5-メチル-2-トリフルオロメチルフラン-3-カルボニルクロライド(ナミキ商事株式会社)1.0gを塩化メチレン20mlに溶解し、氷冷下、トリエチルアミン(和光純薬工業株式会社)0.66mlを加えた。3-イソプロピルアニリン(東京化成工業株式会社)0.64gを加え、室温で1時間撹拌後、1時間リフラックスを行い反応させた。冷却後、塩化メチレン20mlを加え、1N NaOH 40ml、1N HCl 40ml、飽和食塩水40mlで洗浄後、Na2SO4で脱水して、エバポレーターにて濃縮した。得られた反応物をシリカゲルカラムクロマトグラフィーにより精製し、酢酸エチル/ヘキサン系溶媒にて再結晶を行い、3’-イソプロピル-5-メチル-2-トリフルオロメチルフラン-3-カルボン酸アニリドの無色結晶1.1gを取得した。
融点;103~105℃、
1HNMR(CDCl3)δppm;7.56-6.99(5H,m),6.40(1H,s),3.00-2.83(1H,m),2.36(3H,s),1.29(3H,s),1.21(3H,s)。
5-メチル-2-トリフルオロメチルフラン-3-カルボニルクロライド0.9g、トリエチルアミン0.56ml、3-イソプロポキシアニリン(シグマアルドリッチジャパン株式会社)0.60gを用い、合成例1と同様の反応および後処理を行い、3’-イソプロポキシ-5-メチル-2-トリフルオロメチルフラン-3-カルボン酸アニリドの淡黄色結晶1.0gを取得した。
融点;86~89℃、
1HNMR(CDCl3)δppm;7.50-6.62(5H,m),6.40(1H,s),4.70-4.43(1H,m),2.37(3H,s),1.37(3H,s),1.30(3H,s)。
2,5-ジメチルフラン-3-カルボニルクロライド(シグマアルドリッチジャパン株式会社)1.0g、トリエチルアミン0.88mlおよび3-イソプロピルアニリン0.85gを用い、合成例1の場合と同様の反応および後処理操作を行い、3’-イソプロピル-2,5-ジメチルフラン-3-カルボン酸アニリドの淡黄色結晶1.2gを取得した。
融点;81~84℃、
1HNMR(CDCl3)δppm;7.43-6.92(5H,m),6.09(1H,s),2.98-2.75(1H,m),2.58(3H,s),2.28(3H,s),1.29(3H,s),1.22(3H,s)。
2,5-ジメチルフラン-3-カルボニルクロライド1.0g、トリエチルアミン0.88mlおよび3-エチルアニリン0.85gを用い、合成例1の場合と同様の反応および後処理操作を行い、3’-エチル-2,5-ジメチルフラン-3-カルボン酸アニリドの白色結晶1.1gを取得した。
融点;113~115℃、
1HNMR(CDCl3)δppm;7.47-6.95(4H,m),6.09(1H,s),2.66(3H,q),2.58(3H,s),2.28(3H,s),1.25(3H,t)。
2,5-ジメチルフラン-3-カルボニルクロライド1.0g、トリエチルアミン0.88mlおよび3-メチルアニリン0.85gを用い、合成例1の場合と同様の反応および後処理操作を行い、3’-メチル-2,5-ジメチルフラン-3-カルボン酸アニリドの白色結晶1.1gを取得した。
融点;100~102℃、
1HNMR(CDCl3)δppm;7.48-6.09(5H,m),2.36(3H,s),2.60(3H,s),2.28(3H,s)。
2-トリフルオロメチル安息香酸クロライド(シグマアルドリッチジャパン株式会社)1.0g、トリエチルアミン0.70mlおよび3-イソプロポキシアニリン0.76gを用い、合成例1の場合と同様の反応および後処理操作を行い、3’-イソプロポキシ-2-トリフルオロメチル安息香酸アニリドの淡黄色結晶1.4gを取得した。
融点;103~106℃、
1HNMR(CDCl3)δppm;7.88-6.64(9H,m),4.69-4.42(1H,m),1.37(3H,s),1.30(3H,s)。
2-メチルベンゾイルクロライド(シグマアルドリッチジャパン株式会社)0.77g、トリエチルアミン0.70mlおよび3-イソプロポキシアニリン0.76gを用い、合成例1の場合と同様の反応および後処理操作を行い、3’-イソプロポキシ-2-メチル安息香酸アニリドの無色結晶1.3gを取得した。
融点;87~90℃、
1HNMR(CDCl3)δppm;7.49-6.62(9H,m),4.69-4.43(1H,m),2.47(3H,s),1.36(3H,s),1.30(3H,s)。
2-メチルベンゾイルクロライド(シグマアルドリッチジャパン株式会社)1.0g、トリエチルアミン0.88mlおよび3-イソプロピルアニリン0.85gを用い、合成例1の場合と同様の反応および後処理操作を行い、3’-イソプロピル-2-メチル安息香酸アニリドの淡褐色結晶1.5gを取得した。
融点;80~83℃、
1HNMR(CDCl3)δppm;7.53-6.92(9H,m),3.07-2.70(1H,m),2.51(3H,s),1.30(3H,s),1.23(3H,s)。
3-フランカルボン酸(シグマアルドリッチジャパン株式会社)0.28g、3-イソプロピルアニリン0.34gを塩化メチレン20mlに溶解し、氷冷下、WSCI/HCl(東京化成工業株式会社)0.53gを加えた後、室温で1時間撹拌後、1時間リフラックスを行い反応させた。その後、合成例1の場合と同様の後処理操作を行い、3’-イソプロピル-3-フランカルボン酸アニリドの淡黄色結晶0.34gを取得した。
融点;88~91℃、
1HNMR(CDCl3)δppm;8.01-6.70(8H,m),3.05-2.75(1H,m),1.25(3H,s),1.20(3H,s)。
2-メチル-3-フランカルボン酸(シグマアルドリッチジャパン株式会社)0.32g、3-イソプロピルアニリン0.34gを塩化メチレン20mlに溶解し、氷冷下、WSCI/HCl0.53gを加えた後、室温で1時間撹拌後、1時間リフラックスを行い反応させた。その後、合成例1の場合と同様の後処理操作を行い、3’-イソプロピル-2-メチルフラン-3-カルボン酸アニリドの淡黄色油状化合物0.34gを取得した。
1HNMR(CDCl3)δppm;7.43-6.52(7H,m),2.97-2.66(1H,m),2.63(3H,s),1.29(3H,s),1.21(3H,s)。
4-メチルチアゾール-5-カルボン酸(シグマアルドリッチジャパン株式会社)0.36g、3-イソプロピルアニリン0.34gを塩化メチレン20mlに溶解し、氷冷下、WSCI/HCl0.53gを加えた後、室温で1時間撹拌後、1時間リフラックスを行い反応させた。その後、合成例1の場合と同様の後処理操作を行い、3’-イソプロピル-4-メチルチアゾール-5-カルボン酸アニリドの無色ガム状化合物0.40gを取得した。
1HNMR(CDCl3)δppm;8.73(1H,s),7.54-6.98(5H,m),3.07-2.84(1H,m),2.79(3H,s),1.30(3H,s),1.22(3H,s)。
2,4-ジメチル-1,3-チアゾール-5-カルボン酸(シグマアルドリッチジャパン株式会社)0.39g、3-イソプロピルアニリン0.34gを塩化メチレン20mlに溶解し、氷冷下、WSCI/HCl0.53gを加えた後、室温で1時間撹拌後、1時間リフラックスを行い反応させた。その後、合成例1の場合と同様の後処理操作を行い、3’-イソプロピル-2,4-ジメチル-1,3-チアゾール-5-カルボン酸アニリドの淡黄色油状化合物0.45gを取得した。
1HNMR(CDCl3)δppm;7.42-6.98(5H,m),2.99-2.75(1H,m),2.71(6H,s),1.29(3H,s),1.22(3H,s)。
2-メチル-4-トリフルオロメチル-1,3-チアゾール-5-カルボン酸(シグマアルドリッチジャパン株式会社)0.46g、3-イソプロピルアニリン0.30gを塩化メチレン20mlに溶解し、氷冷下、WSCI/HCl0.47gを加えた後、室温で1時間撹拌後、1時間リフラックスを行い反応させた。その後、合成例1の場合と同様の後処理操作を行い、3’-イソプロピル-2-メチル-4-トリフルオロメチル-1,3-チアゾール-5-カルボン酸アニリドの淡黄色油状化合物0.54gを取得した。
1HNMR(CDCl3)δppm;7.78-7.00(5H,m),2.99-2.79(1H,m),2.75(3H,s),1.29(3H,s),1.22(3H,s)。
2,5-ジメチルピロール-3-カルボン酸(シグマアルドリッチジャパン株式会社)0.35g、3-イソプロピルアニリン0.34gを塩化メチレン20mlに溶解し、氷冷下、WSCI/HCl0.53gを加えた後、室温で1時間撹拌後、1時間リフラックスを行い反応させた。その後、合成例1の場合と同様の後処理操作を行い、3’-イソプロピル-2,5-ジメチルピロール-3-カルボン酸アニリドの淡褐色結晶0.17gを取得した。
融点;126~129℃、
1HNMR(CDCl3)δppm;7.46-6.00(6H,m),2.97-2.74(1H,m),2.54(3H,s),2.22(3H,s),1.29(3H,s),1.21(3H,s)。
1-メチル-3-トリフルオロメチルピラゾール-4-カルボン酸(シグマアルドリッチジャパン株式会社)0.49g、3-イソプロピルアニリン0.34gを塩化メチレン20mlに溶解し、氷冷下、WSCI/HCl0.53gを加えた後、室温で1時間撹拌後、1時間リフラックスを行い反応させた。その後、合成例1の場合と同様の後処理操作を行い、3’-イソプロピル-1-メチル-3-トリフルオロメチルピラゾール-4-カルボン酸アニリドの無色結晶0.34gを取得した。
融点;131~134℃、
1HNMR(CDCl3)δppm;7.99-6.97(6H,m),3.97(3H,s),3.07-2.76(1H,m),1.30(3H,s),1.22(3H,s)。
化合物AおよびB、比較化合物1~13の1%w/vジメチルスルホオキシド溶液をそれぞれ調製した。この薬剤をジメチルスルホオキシドで希釈し、所定量を滅菌後のポテトデキストロース寒天培地に十分混合し、直径90mmのシャーレ内に15ml注ぎ込み、室温に放置した。なお、コントロールとして、ジメチルスルホオキシドのみを添加したポテトデキストロース寒天培地も同様に作成した。培地が固まった後、あらかじめ培養しておいた代表的な木材腐朽菌であるオオウズラタケ(Fomitopsis palustris)のコロニーから、菌糸を直径5mmのコルクボーラーで培地ごとくり抜き試験培地の中央に接種した。シャーレを25℃にて培養し、7日目に接種源から広がったコロニーの直径を測定し、下記式によってコントロールのコロニーの直径と比較した菌の生育阻害率を求め、阻害度として表した。結果を表1に示す。化合物A及びBのオオウズラタケに対する効果はこれまで開示されてきた化合物に比べ明らかに強いものであった。
化合物AおよびB、シプロコナゾール(和光純薬工業株式会社)、エポキシコナゾール(和光純薬工業株式会社)、テトラコナゾール(和光純薬工業株式会社)の1%w/vジメチルスルホオキシド溶液をそれぞれ調製した。この薬剤をジメチルスルホオキシドで希釈し、所定量を滅菌後のポテトデキストロース寒天培地に十分混合し、直径90mmのシャーレ内に15ml注ぎ込み、室温に放置した。なお、コントロールとして、ジメチルスルホオキシドのみを添加したポテトデキストロース寒天培地も同様に作成した。培地が固まった後、あらかじめ培養しておいた代表的な木材腐朽菌であるカワラタケ(Trametes versicolor)のコロニーから、菌糸を直径5mmのコルクボーラーで培地ごとくり抜き試験培地の中央に接種した。シャーレを25℃にて培養し、7日目に接種源から広がったコロニーの直径を測定し、上記式によってコントロールのコロニーの直径と比較した菌の生育阻害率を求め、実測生育阻害率として表した。結果を表2に示す。活性成分の混合物の理論有効率(理論生育阻害率)は、下記コルビーの式[R. S. Colby, Weeds 15, 20-22 (1967)]を用いて求め、実測有効率(理論生育阻害率)と比較した。この結果は、化合物AおよびBとトリアゾール系殺菌剤とに相乗効果があることを明白に示している。
蒸留水を溶媒として、塩基性炭酸銅16重量%、モノエタノールアミン40重量%、安息香酸5重量%を含む木材保存薬剤を調製した。この木材保存薬剤に、少量のエタノールにあらかじめ溶解した化合物A、Bおよびエポキシコナゾールを、所定の濃度になるように添加した。
木材保存剤の実験室での腐朽評価用プロトコル(オーストララシアン木材保存委員会)(PROTOCOLS FOR ASSESSMENT OF WOOD PRESERVATIVES, LABORATORY DECAY(THE AUSTRALASIAN WOOD PRESERVATION COMMITTEE))に準拠し、この木材保存薬剤を所定濃度になるように蒸留水で希釈し、試験体ラジアタパイン辺材(20×20×20mm)に加圧注入した後、風乾し、プロトコルに従って耐侯操作を行った。この試験体をプロトコルに従い生育させたイドタケ(Coniophora puteana)の菌叢上に設置し、25℃で12週間腐朽させた後、試験前後の試験体の腐朽による質量減少率を測定した。なお、結果は1条件につきいずれも試験体9個を用いて平均値を算出したものである。結果を表3に示す。化合物AおよびBを用いることにより、低薬量にて効果の高い木材保存用防腐剤が得られ、さらにトリアゾール系殺菌剤を同時に配合することで、極めて低薬量にて効果の高い木材保存用防腐剤が得られることが明らかとなった。
Claims (7)
- 請求項1に記載の3’-イソプロピル-5-メチル-2-トリフルオロメチルフラン-3-カルボン酸アニリドおよび/または3’-イソプロポキシ-5-メチル-2-トリフルオロメチルフラン-3-カルボン酸アニリドを有効成分として含有することを特徴とする木材保存用防腐剤。
- さらに、トリアゾール系殺菌剤を含有する請求項2に記載の木材保存用防腐剤。
- トリアゾール系殺菌剤が、シプロコナゾール、エポキシコナゾール、およびテトラコナゾールから選ばれる1以上の殺菌剤である請求項3に記載の木材保存用防腐剤。
- さらに、他の抗生物性化合物を含む請求項2~4のいずれかに記載の木材保存用防腐剤。
- 抗生物性化合物が、銅化合物から選択されるものである請求項5に記載の木材保存用防腐剤。
- 請求項1~6のいずれかに記載の防腐剤を用いて処理を行うことを特徴とする木材保存処理方法。
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PCT/JP2010/058031 WO2011142009A1 (ja) | 2010-05-12 | 2010-05-12 | 木材保存用防腐剤および木材処理方法 |
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JPS539739A (en) | 1976-07-12 | 1978-01-28 | Nippon Nohyaku Co Ltd | #-trifluoromethyl-##-isoproxybenzoic acid anilide, its preparation and its use |
JPS57149204A (en) | 1981-03-10 | 1982-09-14 | Kumiai Chem Ind Co Ltd | Preservative and mildew-proofing agent of wood |
JPS60197603A (ja) | 1984-03-19 | 1985-10-07 | Nippon Nohyaku Co Ltd | ナミダタケ防除剤 |
JPH01143804A (ja) | 1987-12-01 | 1989-06-06 | Aguro Kanesho Kk | 農園芸用殺菌剤 |
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JPS62249975A (ja) * | 1986-04-22 | 1987-10-30 | Sumitomo Chem Co Ltd | アニリド誘導体およびそれを有効成分とする殺菌剤 |
JPH06220035A (ja) * | 1992-10-16 | 1994-08-09 | Sankyo Co Ltd | ジメチルフランカルボキシアニリド誘導体 |
JP2009096751A (ja) * | 2007-10-16 | 2009-05-07 | Sds Biotech Corp | 工業材料保護薬剤、工業材料処理方法及び工業材料処理物 |
JP2010150186A (ja) * | 2008-12-25 | 2010-07-08 | Sds Biotech Corp | 木材保存用防腐剤および木材処理方法 |
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