EP2961739A2 - Furfuralderivate als eine trägersubstanz - Google Patents

Furfuralderivate als eine trägersubstanz

Info

Publication number
EP2961739A2
EP2961739A2 EP14713258.3A EP14713258A EP2961739A2 EP 2961739 A2 EP2961739 A2 EP 2961739A2 EP 14713258 A EP14713258 A EP 14713258A EP 2961739 A2 EP2961739 A2 EP 2961739A2
Authority
EP
European Patent Office
Prior art keywords
group
diglycidyl ether
solvent
alkyl
compound
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP14713258.3A
Other languages
English (en)
French (fr)
Inventor
Manon BERGEZ-LACOSTE
Pascale De Caro
Sophie Thiebaud-Roux
Jean-François FABRE
Zéphirin Mouloungui
Marc Balastre
Philippe Marion
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institut National Polytechnique de Toulouse INPT
Institut National de la Recherche Agronomique INRA
Rhodia Operations SAS
Original Assignee
Institut National Polytechnique de Toulouse INPT
Institut National de la Recherche Agronomique INRA
Rhodia Operations SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institut National Polytechnique de Toulouse INPT, Institut National de la Recherche Agronomique INRA, Rhodia Operations SAS filed Critical Institut National Polytechnique de Toulouse INPT
Publication of EP2961739A2 publication Critical patent/EP2961739A2/de
Withdrawn legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N25/00Biocides, 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
    • A01N25/02Biocides, 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
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N33/00Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
    • A01N33/16Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds containing nitrogen-to-oxygen bonds
    • A01N33/18Nitro compounds
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/48Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/501,3-Diazoles; Hydrogenated 1,3-diazoles
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/64Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
    • A01N43/647Triazoles; Hydrogenated triazoles
    • A01N43/6531,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • C08L63/04Epoxynovolacs
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22Organic compounds
    • C11D7/26Organic compounds containing oxygen
    • C11D7/267Heterocyclic compounds
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22Organic compounds
    • C11D7/32Organic compounds containing nitrogen
    • C11D7/3281Heterocyclic compounds
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/50Solvents
    • C11D7/5004Organic solvents
    • C11D7/5022Organic solvents containing oxygen
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/15Heterocyclic compounds having oxygen in the ring
    • C08K5/151Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
    • C08K5/1535Five-membered rings
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/56Non-aqueous solutions or dispersions

Definitions

  • the present invention relates to the use of furfural derivatives as vehicles for chemicals and / or as solvents, in particular in phyto-sanitary formulations and / or solubilization formulations of resins.
  • the industry uses many chemical compounds as solvents, for example to prepare chemicals and materials, to formulate chemical compounds, or to treat surfaces.
  • solvents are used for the formulation of phytosanitary assets especially in the form of emulsifiable concentrates (Emulsifiable Concentrate "EC") intended to be diluted in water by the farmer, before application on a field.
  • solvents are used for the formulation of phytosanitary active agents, in particular in the form of microemulsions ("ME”) or emulsions in water (emulsion in water “EW”) intended to be diluted in water with water. farmer, before application on a field.
  • Solvents such as for example acetone or dichloromethane, are also used in many industrial applications requiring the removal and / or solubilization of resins.
  • Solubilization formulations of resins are thus necessary for cleaning the application material of said resins (brushes, wipes, nozzles, etc.) or for storing said resins (tanks, tanks, etc.), or else for preparing surfaces before further processing (such as painting or adhesive application), and thus improve in particular the adhesion properties on these surfaces.
  • the present invention is specifically intended to provide new chemical vehicles and / or new solvents, particularly suitable for phytosanitary applications and / or for solubilizing resins.
  • the inventors have unexpectedly found that certain furfural derivatives have good properties as vehicles for chemicals, especially pesticides and / or resins, and meet the needs for low ecotoxicity, high solubilization and low volatility.
  • R represents
  • a -CH CR 'i-COR1 group, wherein R1 represents a hydrogen atom , an OH group, a (C1-C10) alkoxy group, a (C1-C10) alkyl group or a group
  • R 'i represents a hydrogen atom, a group (C 1 -C 5) alkyl or a (C 1 -C 5) alkenyl group, (ii) a group which R 2 represents
  • a (C 1 -C 10) alkyl group or a (C 1 -C 10) alkenyl group said groups being capable of being interrupted by an oxygen atom, and which may be optionally substituted by one or two groups chosen from one of hydroxyl group, a (C 1 -C 4) alkoxy group and a phenyl group, a (C 3 -C 6 ) cycloalkyl group, and a phenyl or furfuryl group,
  • R 3 represents a (C 1 -C 10) alkyl group, said group possibly being substituted by one or two hydroxyl groups or represents a (C 3 -C 6 ) cycloalkyl group and R 3 'represents a hydrogen atom. hydrogen or a (C 1 -C 6) alkyl group which may also be substituted with one or two hydroxyl groups,
  • R4 is (Ci-Cio) alkyl or is (C 3 -C 6) cycloalkyl, or
  • R ' represents a hydrogen atom or a (C 1 -C 4) alkyl group, in particular a methyl group,
  • a chemical carrier as a solvent, a co-solvent, a coalescing agent, a crystallization inhibitor, a plasticizer, a degreasing agent, a cleaning agent, a cleaning agent or agent for increasing the biological activity, and more particularly as a solvent.
  • These compounds can be obtained by subjecting the furfural derivatives of formula (I) to an additional reaction of hydrogenation, according to conventional techniques known to those skilled in the art.
  • chemical vehicle is meant, in the context of the present invention, a chemical compound capable of containing, dissolving, solubilizing and / or transporting a large quantity of a given chemical, for example in order to obtain a homogeneous and unsaturated medium or for the purpose of elimination.
  • a solvent is generally referred to.
  • these compounds in liquid form by applying a temperature above their melting point. If the intended field of application requires to be placed at a temperature below their melting point, for example at room temperature, it is then possible to associate these compounds with other additives or solvents capable of lowering their point of contact. fusion. As examples of such additives, there may be mentioned pour point depressant additives (called "depressant point" in English). The development of such associations is part of the general knowledge of the skilled person.
  • the chemical compound (s) carried by the compounds of formula (I) according to the invention can be of a very varied nature. It may especially be a plant protection product or a resin, in particular an epoxy resin, polyurethane or polyester.
  • solvent is understood in a broad sense, covering in particular the functions of co-solvent, crystallization inhibitor, agent of coalescence and stripper.
  • solvent can in particular designate a liquid product at the temperature of use, preferably with a melting point of less than or equal to 40 ° C., preferably at 20 ° C., which can contribute to making a solid liquid liquid, to make it more fluid a viscous liquid or to prevent or retard the solidification or crystallization of material in a liquid medium.
  • co-solvent is meant that other solvents may be associated with it.
  • the use as a solvent or co-solvent comprises in particular the use for dissolving a compound in a formulation, in a reaction medium, the use for solubilizing totally or partially a product to be removed (degreasing, stripping) and / or to facilitate take-off of material films.
  • the product to be eliminated may especially be an oil, greases, waxes, petroleum, resins, paint, graffiti, and more particularly resins, such as epoxy, polyurethane or polyester resins.
  • a furfural derivative according to the invention may in particular be used as a pretreatment agent facilitating the removal of graffiti after their appearance.
  • agent for increasing the biological activity is meant a compound which, in association with a molecule having a biological activity, will make it possible to increase the biological activity of said molecule (for example synergy).
  • the invention thus also relates to the use of a compound of formula (I) according to the invention as a cleaning agent, crystallization inhibitor, cleaning agent, degreasing agent, plasticizer, coalescing agent or agent. increase in biological activity.
  • the subject of the invention is also the use of a compound of formula (I) according to the invention as a vehicle or solvent for a phytosanitary product or as a vehicle or solvent for a resin, in particular an epoxy resin, a polyurethane resin or a polyester resin.
  • the invention also relates to a phytosanitary formulation comprising at least one compound of formula (I) according to the invention in combination with an active plant protection product.
  • the invention finally relates to a resin solubilization formulation comprising at least one compound of formula (I) according to the invention.
  • R is a group (i) corresponds to furfurylidenecetone derivatives.
  • R is a group (ii) corresponds to furoate derivatives of alkyls.
  • R is a group (iii) corresponds to amides derived from furfural.
  • R is a group (iv) corresponds to imines derived from furfural.
  • R is a group (v) corresponds to substituted furfural on its cycle.
  • the groups "(Ci-C p ) alkyl” represent saturated hydrocarbon groups, straight or branched chain, comprising from 1 to p carbon atoms, preferably from 1 to 10 carbon atoms, for example from 1 to 8 carbon atoms, and even more preferably 1 to 6 carbon atoms (they can typically be represented by the formula C n H 2n + 1, n being an integer representing the number of carbon atoms).
  • ethylbutyl 3-methylpentyl, isoheptyl, sec-heptyl, 3-methylhexyl, 4-methylhexyl, 1-ethylpentyl, 2-ethylpentyl, 3-ethylpentyl, isooctyl, and 3-methylheptyl.
  • (Ci-C p ) alkenyl group is meant a hydrocarbon group having from 1 to 2 unsaturations, comprising from 1 to p carbon atoms, preferably from 1 to 10 carbon atoms, for example from 1 to 8 atoms carbon, and even more preferably from 1 to 6 carbon atoms.
  • (C 3 -C 6) cycloalkyl” group is more particularly contemplated a monocyclic carbocyclic group having 3 to 6 carbon atoms, and preferably 5 or 6 carbon atoms.
  • the cyclopentyl or cyclohexyl group may be mentioned preferentially.
  • alkoxy group is meant a -O-alkyl group, the alkyl group being as defined above.
  • the furfural derivative according to the invention is a compound of formula (I) in which
  • R represents
  • a -CH CH-COR 1 group , wherein R 1 represents a (C 1 -C 6) alkoxy group or a (C 1 -C 6) alkyl group,
  • R 2 represents a (C 1 -C 6) alkyl group, which may be substituted with a phenyl group or a hydroxyl group,
  • a group represents a (C 1 -C 8 ) alkyl group and R 3 'represents a hydrogen atom
  • R4 is (Ci-C 8) alkyl, or
  • R ' represents a hydrogen atom or a methyl group.
  • the furfural derivative according to the invention is a compound of formula (I) in which
  • R represents
  • a -CH CH-CORi group, wherein R1 represents a (C1-C6) alkyl group, or a (C1-C4) alkoxy group, - (ii) a group wherein R 2 represents a (C 1 -C 6) alkyl group which may be substituted with a phenyl group or a hydroxyl group, or
  • R ' represents a hydrogen atom or a methyl group.
  • the furfural derivative according to the invention is a compound of formula (I) in which
  • R represents
  • a -CH CH-CORi group, wherein R1 represents a (C1-C6) alkyl group, or a (C1-C4) alkoxy group, or
  • R 2 represents a (C 1 -C 6) alkyl group which may be substituted by a phenyl group or a hydroxyl group
  • R ' represents a hydrogen atom.
  • compound (17) is commercially available from Sigma Aldrich.
  • furfural has the advantage of being accessible via biomass, in particular corn and bagasse or fibrous residue of sugar cane passed by the mill for extraction of juice.
  • the compounds of formula (I) (i), namely furfurylidenecketone derivatives, for which R 1 is a hydrogen atom, a (C 1 -C 10) alkyl group or a (C 1 -C 10) alkene group can be prepared according to the following scheme 1.
  • furfural can be reacted with a ketone of formula (II), in which R 1 is a hydrogen atom or a (C 1 -C 10) alkyl group or a (C 1 -C 10) alkenyl group and R ' i is a hydrogen atom or a (Ci-Cs) alkyl group, in the presence of sodium hydroxide.
  • the compound of formula (II) may in particular be acetone, butanone or even citronellal.
  • the reaction mixture may be left at ambient temperature or heated for example at a temperature of between 30 ° C. and the boiling temperature of the ketone used, typically at 60 ° C., for example for a period of between 30 minutes and 4 hours. typically 2 hours.
  • reaction mixture can then be decanted, the organic phase washed with, for example, distilled water and the aqueous phase extracted for example with ethyl acetate.
  • the compounds of formula (I) (i), namely the furfurylidenecketone derivatives, for which R 1 is a (C 1 -C 10) alkoxy group may be prepared according to the following scheme 2.
  • furfural can be reacted with a phosphonoester of formula (VI), in which R 5 is a (Cl-ClO) alkyl group in the presence of a base which can be barium hydroxide and in a solvent which can to be 1,4-dioxane added to water.
  • the reaction mixture may be left at room temperature or heated, for example at a temperature between 40 ° C and 80 ° C, typically 70 ° C, for a period of between 30 min and 3 hours, typically 2 hours.
  • the reaction mixture can then be filtered, the cake washed with, for example, 1,4-dioxane.
  • R1 is an OH group
  • the compound is obtained by hydrolysis of the compound, the synthesis of which is described in scheme 2 above.
  • the compounds of formula (I) (ii) may be prepared according to the following scheme 3.
  • TBHP t-butyl hydroperoxide
  • the compounds of formula (I) (iii) may be prepared according to the following scheme 4.
  • an amine of formula (IV) in which R 3 and R 3 'are as defined previously with 2-furoyl chloride can be reacted in a solvent such as dichloromethane or toluene or without added solvent, for a period of between 10 minutes and 2 hours, typically 30 minutes.
  • a solvent such as dichloromethane or toluene or without added solvent
  • an amine of formula (V) in which R4 is as defined above can be reacted with furfural, in the presence of a drying agent, for example magnesium sulfate, in a solvent such as toluene, for a period of between 1 and 2 hours, typically 1 hour.
  • a drying agent for example magnesium sulfate
  • the compound according to the invention of formula (I) may in particular be used as a solvent, co-solvent, etchant, crystallization inhibitor, coalescing agent.
  • the compound according to the invention, of formula (I), may in particular be used, for the functions indicated above or for others, in a phytosanitary formulation, in a cleaning formulation, in a pickling formulation, in a a degreasing formulation, in a lubricant formulation, in a textile cleaning or degreasing formulation, in a coating formulation, for example in a paint formulation, in a pigment or ink formulation, in a plastic formulation, in a resin solubilization formulation, in particular PVDF (polyvinylidene fluoride powder) resins, epoxy, polyurethane or polyester resins, in a "photoresin” cleaning formulation or in a cleaning formulation for screens, in particular screens liquid crystal (LCD).
  • PVDF polyvinylidene fluoride powder
  • the compound may for example be used as a coalescing agent in an aqueous paint formulation. It can be used as a solvent in a non-aqueous paint formulation.
  • the compound may especially be used as a degreasing agent on metal surfaces, for example surfaces of tools, manufactured articles, sheets, molds, in particular steel or aluminum or alloys of these metals.
  • the compound can especially be used as a cleaning solvent on hard surfaces or textile surfaces. It can be used for cleaning industrial sites, for example oil or gas exploitation sites, for example offshore oil platforms or not.
  • the compound may especially be used as a solvent for stripping paint or resins, on tool surfaces, for example foundry molds, on surfaces of industrial sites (floors, partitions, etc.).
  • the compound may especially be used as a resin solvent, for example in the cable coating industry or in the electronics industry, especially as a solvent for PVDF.
  • the compound may especially be used as a cleaning and / or pickling solvent in the electronics industry. It can especially be used in lithium batteries. It can especially be used on photoresistant resins, polymers, waxes, fats, oils.
  • the compound can in particular be used for cleaning inks, for example during the production of inks or when printing ink is used.
  • the compound may especially be useful as a solvent for cleaning or stripping printing tools.
  • the compound may especially be used for bleaching paper.
  • the compound may especially be used for cleaning sieves or other tools used in manufacturing processes and / or recycling paper.
  • the compound may in particular be used for the cleaning of bitumen or tar sand, for example on coated substrates, on the tools used to apply these materials, on contaminated clothing, on soiled vehicles.
  • the compound may especially be used for cleaning flying machines such as airplanes, helicopters, space shuttles.
  • the compound may especially be used as a plasticizer in thermoplastic polymer formulations.
  • the cleaning and / or degreasing formulations may especially be formulations for household care, operated in homes or in public areas (hotels, offices, factories, etc.). This may be a formulation for cleaning hard surfaces such as floors, furniture and equipment surfaces in kitchens and bathrooms, dishes. These formulations can also be used in the industrial sphere to degrease manufactured products and / or clean them.
  • the compound of formula (I) can thus be used as a solvent or co-solvent in a solubilization formulation of resins, in particular epoxy resins, polyester resins and / or resins. polyurethanes.
  • the compound according to the invention may especially be used as a solvent or co-solvent in a solubilization formulation of epoxy resins.
  • Epoxy resins are well known to those skilled in the art.
  • epoxy resins There are two major categories of epoxy resins: glycidyl epoxy resins, and non-glycidyl epoxy resins.
  • the glycidyl epoxy resins are themselves classified as glycidyl ether, glycidyl ester and glycidyl amine.
  • the non-glycidyl epoxy resins are of the aliphatic or cycloaliphatic type.
  • the glycidyl epoxy resins are prepared by a condensation reaction of the appropriate dihydroxy compound with a diacid or a diamine and with epichlorohydrin.
  • the non-glycidyl epoxy resin is formed by peroxidation of the olefinic double bonds of a polymer.
  • DGEBA bisphenol A diglycidyl ether
  • DGEBA-based resins have excellent electrical properties, low shrinkage, good adhesion to many metals and good resistance to moisture, good thermal resistance and mechanical shock.
  • n is the degree of polymerization, which itself depends on the stoichiometry of the synthesis reaction.
  • n varies from 0 to 25.
  • epoxy glycidyl ethers mention may also be made of triglycidyl p-aminophenol ether (TGPA).
  • Novolac epoxy resins are glycidyl ethers of phenolic novolac resins. They are obtained by reacting phenol with formaldehyde in the presence of an acid catalyst to produce a novolac phenolic resin, followed by reaction with epichlorohydrin in the presence of sodium hydroxide as a catalyst.
  • Novolac epoxy resins generally contain several epoxy groups. The multiple epoxide groups make it possible to produce resins of high density of crosslinking. Novolac epoxy resins are widely used to formulate molded compounds for microelectronics because of their superior resistance to elevated temperature, excellent moldability, and superior mechanical, electrical, heat-resistance and thermal properties. 'humidity.
  • the compounds according to the invention can be used to solubilize a wide variety of epoxy resins, for example Novolac epoxy resins, bisphenol A diglycidyl ether (DGEBA), bisphenol F diglycidyl ether (DGEBF), tetraglycidyl methylene dianiline, pentaerythritol tetraglycidyl ether, tetrabromo bisphenol A diglycidyl ether, or hydroquinone diglycidyl ether, ethylene glycol diglycidyl ether, propylene glycol diglycidyl ether, butylene glycol diglycidyl ether, neopentyl glycol diglycidyl ether, 1,4-butanediol diglycidyl ether, 1,6-hexanediol diglycidyl ether, cyclohexanedimethanol diglycidyl ether, polyethylene glycol diglycidyl ether, polypropy
  • TGPA is available from Sigma Aldrich.
  • the compound according to the invention may in particular be used as a solvent or co-solvent in a solubilization formulation of polyester resins.
  • Polyester resins are well known to those skilled in the art.
  • the crosslinking monomer may be styrene, for example.
  • thermosetting polyester resins are commercially available for example under the trade name Alpolit, Ampal, Atlac, Beetle, Cellobond, Crystic, Gabraster, Grilesta, Hetron, Legupren, Leguval, Norsodyne, Palatal, Sirester, Stypol, Synolite, Synres. , Ukapron, Vestopal, Ugikapon.
  • the compounds according to the invention can be used to solubilize a large variety of polyester resins, in particular those listed above, and in particular those available under the trade name Palatal, which contain, as monomers, isophthalic acid or acid. orthophthalic, maleic anhydride and glycol s dissolved in styrene.
  • the compound according to the invention may especially be used as a solvent or co-solvent in a solubilization formulation of polyurethane resins.
  • Polyurethane resins are well known to those skilled in the art. By way of illustration, mention may be made especially of Suprasec diisocyanate resins.
  • the compound of formula (I) can thus be used in phytosanitary formulations comprising a solid active product.
  • the phytosanitary formulation is generally a concentrated phytosanitary formulation comprising an active product.
  • the phytosanitary formulations must allow easy dilution by the farmer, in order to obtain a product in which the phytosanitary product is properly dispersed, for example in the form of solution, emulsion, suspension, or suspo-emulsion.
  • the phytosanitary formulations thus allow the transport of a phytosanitary product in relatively concentrated form, easy packaging and / or easy handling for the end user.
  • Different types of phytosanitary formulations can be used depending on the different plant protection products.
  • Emulsifiable concentrates Emulsifiable Concentrate "EC”
  • EW concentrated emulsions
  • ME microemulsions
  • WP wettable powders
  • WDG Water Dispersible Granules
  • the formulations that can be used depend on the physical form of the phytosanitary product (for example solid or liquid), and its physico-chemical properties in the presence of other compounds such as water or solvents.
  • the phytosanitary product may be in various physical forms: solution, dispersion of solid particles, dispersion of product droplets, droplets of solvent in which the product is dissolved ...
  • Phytosanitary formulations generally comprise compounds which make it possible to obtain these physical forms. It may for example be surfactants, solvents, mineral carriers, and / or dispersants. Very often these compounds do not have an active character, but a character of aid ingredient in the formulation.
  • the phytosanitary formulations may in particular be in liquid form or in solid form.
  • the phytosanitary formulation thus comprises a solution of the product in the solvent.
  • the formulation may be in solid form, for example in the form of a wettable powder (WP) in which the solution soaks an inorganic support, for example kaolin and / or silica.
  • WP wettable powder
  • the formulation may alternatively be in liquid form, for example in the form of an emulsifiable concentrate (EC) having a single clear liquid phase comprising the solvent and the product in solution, capable of forming an emulsion by adding water, without stirring or with a weak agitation.
  • EC emulsifiable concentrate
  • EW concentrated emulsion
  • ME clear microemulsion
  • SE suspoemulsion
  • tebuconazole is a particularly effective and widely used fungicide, particularly for soybean cultivation, which often shows this type of behavior.
  • compositions comprising at least one solvent of the present invention have in particular:
  • the phytosanitary formulation may furthermore be a concentrated phyto-sanitary formulation comprising:
  • Active plant protection products especially solid and insoluble products in water are known to those skilled in the art.
  • the active plant protection product may in particular be a herbicide, an insecticide, an acaricide, a fungicide, or a rodent killing agent ("rodenticide" in English) for example a rat poison.
  • insecticides and acaricides suitable for the invention include those belonging to families:
  • organo-halogenated or chlorinated compounds such as, for example, D.D.T. (dichloro-diphenyl trichloroethane), lindane (gamma isomer of hexachloro-cyclohexane), chlordane (octachlorotetrahydro methanoindene), toxaphene;
  • carbinols such as, for example, dicofol (dichlorophenyl trichloroethanol); organophosphorus compounds such as, for example, bromophos (4-bromo-2,5-dichloro-phenoxy) -dimethoxy-thioxo-phosphorane), diazinon (0,0-diethyl-O- (2-isopropyl-6-methyl) pyrimidin-4-yl) phosphorothioate), feni-trothion (O-dimethyl-O-nitro-4-m-tolylphosphorothioate), malathion (Sl, 2-bis (ethoxycarbonyl) ethyl-0,0-dimethyl) phosphorodithioate), parathion (0,0-diethyl-O-nitro
  • sulphones and sulphonates such as, for example, tetradifon (tetrachloro diphenylsulfone);
  • carbamates such as, for example, carbaryl (naphthyl N-methylcarbamate), methomyl (methylthioethylidene amine) N-methylcarbamate);
  • benzoylureas such as, for example, diflubenzuron (difluoro benzoylchlorophenylurea;
  • acaricides such as, for example, cyhexatin (tricyclohexylhydroxy stannane).
  • carbamates such as, for example, benomyl (methyl butylcarbamoyl benzimidazolyl carbamate), carbendazim (methyl benzimidazolyl carbamate), ziram (zinc dimethyl dithiocarbamate), zineb (zinc ethylene bis dithiocarbamate), maneb (ethylene manganese bis-dithiocarbamate), mancozeb (zinc-manganese ethylene-bis-dithiocarbamate), thiram (bis-dimethyl-thiocarbamoyl disulfide);
  • benzene derivatives such as, for example, PCNB (pentachloronitrobenzene);
  • phenol derivatives for example dinocap (methylhptyl) dinitrophenyl crotonate);
  • quinones for example dithianon (dioxodihydro-naphtho dithiyl dicarbonitrile);
  • dicarboximides for example captan (trichloromethylthio) tetrahydroisoindolinedione), folpel (trichloromethylthio isoindolinedione), iprodione (dichlorophenyl isopropyl carbamoyl dichlorophenyl hydantoin);
  • amines and amides such as, for example, benodanil (iodobenzanilide) or methyl-methyl-dimethylphenyl methoxyacetylalalinate;
  • diazines for example pyrazophos (ethyl thiophosphate and ethoxycarbonyl methyl pyrazolo pyrimidine), fenarimol (chlorophenyl chlorophenyl pyrimidine methanol);
  • sulphonamides and sulfur-containing derivatives for example dichlorofluanid (dichloro-fluoro methylthiodimethylphenylsulfamide);
  • guanidines such as, for example, doguadine dodecylguanidine (docecylguanidine acetate);
  • heterocycles such as, for example, etridiazole (ethoxy trichloromethyl thiadiazole) and triadimefon (chlorophenoxy dimethyltriazol butanone);
  • metal monoethyl phosphites for example phosethyl-Al (aluminum tris-O-ethylphosphonate);
  • organotins for example fentin-acetate (triphenyl tin).
  • fentin-acetate triphenyl tin
  • chemical substances with herbicidal properties those found in the following chemical formulas can be used:
  • phenolic compounds such as, for example, dinoseb (dinitrobutylphenol);
  • carbamates such as, for example, phenmedipham (methyl tolylcarbamoyloxyphenyl carbamate);
  • substituted ureas such as, for example, neburon (butyl dichlorophenyl methyl urea), diuron (dichlorophenyl dimethyl urea), linuron (dichlorophenyl methoxymethyl urea);
  • diazines such as, for example, bromacil (bromobutyl methyl uracil), chloridazone (phenylamino chloropyridazone),
  • triazines such as, for example, simazine (chloro-bis-ethylamino-s-triazine), atrazine (chloroethylamino-isopropylamino-s-triazine), terbuthylazine (chloroethylamino butylamino-s-triazine), terbumeton (tert-butylaminoethylamino) methoxy triazine), prometryne (methylthio bis isopropylamino s-triazine), methacryline (methylthioethylamino isopropylamino s-triazine), metribuzine (methylthio butylamino triazine-one), cyanazine (chloroethylamino-s-triazineylaminomethyl-propionitrile);
  • amides such as, for example, napropamide (naphthoxydiethylpropionamide), propachlor (isopropyl chloroacetanilide);
  • toluidines such as, for example, ethalfluralin (dinitro-ethylmethylpropenyl trifluoromethylaniline), oryzalin (dinitrodipropyl sulphanil-amide);
  • benazoline chloro-oxo-benzothiazoline acetic acid
  • dimfuron chloro-oxo-tert-butyl-oxadiazoline phenyl-dimethyl-urea
  • bromophenoxime dibromo-hydroxy-dinitro-phenyl-benzaldoxime
  • pyridate octyl chlorophenylpyridazinylcarbothiolate
  • suitable active ingredients mention may be made, inter alia, of Amtretryne, Diuron, Linuron, Chlortoluron, Isoproturon, Nicosulfuron, Metamitron, Diazinon, Aclonifen and Atrazine.
  • Chlorothalonil Bromoxynil, Bromoxynil heptanoate, Bromoxynil octanoate, Mancozeb, Maneb, Zineb, Phenmedipham, Propanyl, phenoxyphenoxy series, heteroaryloxyphenoxy series, CMPP, MCPA, 2,4 -D, Simazine, the active products of the imidazolinones series, the organophosphorus family, with in particular Azinphos-ethyl, Azinphos-methyl, Alachlor, Chlorpyriphos, Diclofop-methyl, Fenoxaprop-p Methylchloride, methoxychlor, cypermethrin, fenoxycarb, cymoxanil, chlorothalonyl, neonicotinoid insecticides, triazole family of fungicides such as azaconazole, bromuconazole, cyproconazole, difeno
  • the active plant protection product may in particular be chosen from azoles, preferably triazoles, preferably tebuconazole.
  • Tebuconazole is the usual name for a compound known to those skilled in the art, the formula of which is the following:
  • Tebuconazole is a solid phytosanitary product.
  • triazoles different from tebuconazole there may be mentioned the following compounds: Azaconazole; bitertanol; bromuconazole; cyproconazole; diclobutrazol; difenoconazole; diniconazole; diniconazole-M; epoxiconazole; etaconazole; fenbuconazole; fluotrimazole; fluquinconazole; flusilazole; flutriafol; furconazole; furconazole-cis; hexaconazole; imibenconazole; ipconazole; metconazole; myclobutanil; penconazole; prochloraz, propiconazole; prothioconazole; quinconazole; strobulurin and the like, simeconazole; tetraconazole; triadimefon; triadimenol; triazbutil; triflumizole
  • the active plant protection product may in particular be chosen from dinitroanilines, such as pendimethalin or trifluralin.
  • the phytosanitary product is chosen from the following compounds: Alachlor, Chlorpyrifos, alpha-Cypermethrin, Phenmedipham, Propanil, Pendimethalin, Tebuconazole, Triadimenol, Trifluralin, Difenconazole, Dimethoate, Imidacloprid, Oxyfluorfen, Propoxur, azoxystrobin.
  • the phytosanitary product is chosen from Imidacloprid, Tebuconazole and Trifluralin.
  • the phytosanitary formulation may comprise a surfactant, typically and preferably an emulsifier.
  • the emulsifying agents are agents intended to facilitate the emulsification or dispersion after placing the formulation in contact with water, and / or to stabilize (in time and / or in temperature) the emulsion or the dispersion. for example by avoiding sedimentation and / or phase separation.
  • the surfactant can be an anionic surfactant in salified or acidic form, preferably polyalkoxylated nonionic, cationic, amphoteric (term also including zwitterionic surfactants). It may be a mixture or combination of these surfactants.
  • anionic surfactants mention may be made, without intending to be limited thereto:
  • the alkylsulphonic acids, the arylsulphonic acids, optionally substituted with one or more hydrocarbon groups, and whose acidic function is partially or totally salified such as the Cs-Cso alkylsulphonic acids, more particularly the C8-C30, preferably the C10-C30; C22, benzenesulphonic acids, naphthalenesulphonic acids, substituted with one to three C 1 -C 30 alkyl groups, preferably C 4 -C 16 alkyl groups, and / or C 2 -C 30 alkenyl groups, preferably C 4 -C 16 alkenyls.
  • the Cs-Cso alkylsulphonic acids more particularly the C8-C30, preferably the C10-C30; C22, benzenesulphonic acids, naphthalenesulphonic acids, substituted with one to three C 1 -C 30 alkyl groups, preferably C 4 -C 16 alkyl groups, and / or C 2
  • alkylsulfosuccinic acids of which the linear or branched alkyl part, optionally substituted by one or more hydroxylated and / or alcloxylated, linear or branched C2-C4 (preferably ethoxylated, propoxylated, ethopropoxylated) groups.
  • the phosphate esters chosen more particularly from those comprising at least one saturated, unsaturated or aromatic hydrocarbon group, linear or branched, comprising 8 to 40 carbon atoms, preferably 10 to 30, optionally substituted by at least one alkoxylated (ethoxylated) group, propoxylated, ethopropoxylated).
  • they comprise at least one phosphate ester group, mono- or diesterified so that one or two free acid groups or partially or totally salified.
  • the preferred phosphate esters are of the type mono- and diesters of phosphoric acid and alkoxylated (ethoxylated and / or propoxylated) mono-, di- or tristyryl phenol, or alkoxylated (ethoxylated) mono-, di- or trialkylphenol and / or or propoxylated), optionally substituted with one to four alkyl groups; phosphoric acid and a C8-C30 alcohol, preferably C10-C22 alkoxylated (ethoxylated or ethopropoxylated); phosphoric acid and an alcohol C8-C22, preferably C10-C22, non-alkoxylated.
  • sulphate esters obtained from saturated or aromatic alcohols, optionally substituted with one or more alkoxylated groups (ethoxylated, propoxylated, ethopropoxylated), and for which the sulphate functional groups are in the free acid form, or partially or completely neutralized .
  • sulfate esters obtained more particularly from saturated or unsaturated C 8 -C 20 alcohols, which may comprise 1 to 8 alkoxylated units (ethoxylated, propoxylated, ethopropoxylated); sulphate esters obtained from polyalkoxylated phenol, substituted with 1 to 3 saturated or unsaturated C 2 -C 30 hydroxycarbon groups, and in which the a number of alkoxylated units is between 2 and 40; sulfate esters obtained from polyalkoxylated mono-, di- or tristyrylphenol in which the number of alkoxylated units ranges from 2 to 40.
  • the anionic surfactants may be in acid form (they are potentially anionic), or in partially or totally salified form, with a counterion.
  • the counterion may be an alkali metal, such as sodium or potassium, an alkaline earth metal, such as calcium, or an ammonium ion of formula N (R) 4 + in which R, which may be identical or different, represent a hydrogen atom or a C 1 -C 4 alkyl radical optionally substituted by an oxygen atom.
  • R which may be identical or different, represent a hydrogen atom or a C 1 -C 4 alkyl radical optionally substituted by an oxygen atom.
  • polyalkoxylated phenols ethoxylated, propoxylated, ethopropoxylated substituted with at least one C 4 -C 20 alkyl radical, preferably C 4 -C 12 alkyl, or substituted with at least one alkylaryl radical, the alkyl part of which is C 1 -C 12 alkyl; C 6 . More particularly, the total number of alkoxylated units is between 2 and 100.
  • ethoxylated and / or propoxylated, sulphated and / or phosphated di- or tristyrylphenols mention may be made of ethoxylated di- (phenyl-1 ethyl) phenol, containing 10 oxyethylenated units, ethoxylated di (phenyl-1 ethyl) phenol.
  • ethoxylated fatty acid includes both the products obtained by ethoxylation of a fatty acid with ethylene oxide and those obtained by esterification of a fatty acid with a polyethylene glycol. .
  • polyalkoxylated triglycerides ethoxylated, propoxylated, ethopropoxylated
  • Triglycerides from lard, tallow, peanut oil, butter oil, cottonseed oil, flaxseed, olive oil, palm oil, grape seed oil, fish oil, soybean oil, castor oil, rapeseed oil, coconut oil, coconut oil, and comprising a total number of alkoxylated units of between 1 and 60.
  • the term ethoxylated triglyceride is intended both for the products obtained by ethoxylation of a triglyceride by ethylene oxide than those obtained by trans-esterification of a triglyceride with a polyethylene glycol.
  • the optionally polyalkoxylated (ethoxylated, propoxylated, ethopropoxylated) esters of sorbitan more particularly the cyclized sorbitol esters of C 10 -C 20 fatty acids such as lauric acid, stearic acid or oleic acid, and comprising a total number of alkoxylated units of between 2 and 50.
  • Useful emulsifiers include the following products, all marketed by Rhodia:
  • Soprophor TSP / 724 surfactant based on ethopropoxylated tristyrylphonol
  • Soprophor 796/0 surfactant based on ethopropoxylated tristyrylphonol
  • Soprophor CY 8 surfactant based on ethoxylated tristyrylphonol
  • Soprophor B SU surfactant based on ethoxylated tristyrylphonol
  • Alkamuls OR / 36 surfactant based on ethoxylated castor oil
  • Alkamuls T / 20 surfactant based on an ethoxylated sorbitan ester.
  • the formulation advantageously comprises at least 2%, preferably at least 5%, preferably at least 8%, by weight of dry matter, of at least one surfactant (d).
  • the solvent may be combined with an aromatic and / or nonaromatic surfactant.
  • the phytosanitary formulation does not include significant amounts of water.
  • the water content is less than 50% by weight, preferably less than 25% by weight. It will generally be less than 10% by weight.
  • the formulation is preferably a liquid formulation, for example in the form of an emulsifiable concentrate (EC), a concentrated emulsion (EW), a concentrate soluble (SL), a suspoemulsion (SE) or a microemulsion (ME).
  • EC emulsifiable concentrate
  • EW concentrated emulsion
  • SL concentrate soluble
  • SE suspoemulsion
  • ME microemulsion
  • it preferably comprises less than 500 g / l of water, more preferably less than 250 g / l. It will generally be less than 100 g / L.
  • e from 0 to 30%, preferably from 0 to 20% by weight of water.
  • solid formulations for example formulations in which a liquid comprising the phytosanitary product solubilized in the solvent, is supported by a mineral and / or dispersed in a solid matrix.
  • the formulation may of course include other ingredients (or "other additives") than the active plant protection product, the solvent (s), the optional emulsifying agent (s) and the optional water. It may especially comprise viscosity modifiers, antifoaming agents, in particular silicone antifoams, anti-rebound agents, anti-leaching agents, inert fillers, in particular mineral fillers, antifreeze agents, stabilizers. , dyes, emetic agents, stickers (adhesion promoters).
  • the formulations may comprise co-solvents or other solvents.
  • the formulations include such other solvents in particular when the compound of formula (I) according to the invention is used as co-solvent.
  • the other solvents or co-solvents c) are preferably chosen from the following group:
  • ⁇ aliphatic hydrocarbons saturated or unsaturated, linear or-branched, optionally including a halogen, phosphorus, sulfur and / or nitrogen and / or a functional group
  • ⁇ carbocyclic or heterocyclic hydrocarbons saturated, unsaturated or aromatic, optionally consisting of a halogen atom, phosphorus, sulfur and / or nitrogen and / or a functional group
  • alkanes are chosen from the following group: ⁇ alkanes, cycloalkanes and aromatic derivatives, for example straight or branched chain paraffins such as "white oil” or decalin; mono, di or trialkylbenzenes or naphthalenes, the compounds sold under the name Solvesso 100, 150, 200 standard and D grades;
  • esters aliphatic, cycloaliphatic or aromatic for example alkyl alkanoate such as methyl oleate; benzyl alkanoates; alkyl benzoates; gamma butyrolactone; caprolactone; esters of glycerol and citric acid; alkyl salicylates; phthalates; dibenzoates; acetoacetates; glycol ether acetates; dipropylene glycol diacetate;
  • ⁇ mono, di or tri alkyl phosphates such as triethyl phosphate; tributyl phosphate or tri-2-ethylhexylphosphate;
  • aliphatic ketones cycloaliphatic, or aromatic such as dialkyl ketones; benzyl ketones; the fenchone; acetophenone; cyclohexanone; alkyl cyclohexanone;
  • aliphatic, cycloaliphatic, or aromatic such as glycols; 2-ethylhexanol; cyclohexanol; benzyl alcohols; tetrahydrofurfuryl alcohol;
  • aliphatic ethers such as glycol ethers, in particular ethylene and propylene glycol, and their polymers; diphenyl ether; dipropylene glycol; monomethyl or monobutyl ether; monobutyl ether of propylene glycol; alkoxyalkanols; dimethyl isosorbide;
  • ⁇ fatty acids such as linoleic acid, linolenic acid, oleic acid;
  • ⁇ carbonates such as propylene carbonate or butylene; lactates; fumarates; succinates, adipates, maleates;
  • ⁇ amides such as alkyldiméthylamides, the diméthyldécanoamide; ⁇ alkyl ureas;
  • Amines for example alkanolamines, morpholine; Nalkyl-pyrrolidones;
  • haloalkanes or halogenated aromatic solvents such as chloroalkanes or chlorobenzene.
  • the other particularly preferred solvents are the alkylbenzenes and naphthalenes, the compounds sold under the name Solvesso 100, 150, 200 standard and D grades, the alkanolamides and their alkyl ethers, the fatty acids and their alkyl esters, for example methyl oleate, alkyldimethylamides, N-alkyl-pyrrolidones, tri-alkylphosphates, aliphatic alcohols (linear or branched) and their esters, di-basic esters, paraffins (linear or branched) such as white oil » Glycols and glycol ethers, acetophenone.
  • Solvesso 100, 150, 200 standard and D grades the alkanolamides and their alkyl ethers
  • the fatty acids and their alkyl esters for example methyl oleate, alkyldimethylamides, N-alkyl-pyrrolidones, tri-alkylphosphates,
  • crystallization inhibitors can be solvents mentioned above. It may also be fatty acids or non-polyalkoxylated fatty alcohols, for example the product Alkamuls® OL700 marketed by Rhodia, alkanolamides, polymers, etc. are mentioned.
  • the concentrated phytosanitary formulation is generally intended to be spread over a cultivated field or to be cultivated, for example a soybean field, most often after dilution in water, to obtain a diluted composition.
  • Dilution is generally carried out by the farmer, directly in a tank ("tank-mix"), for example in the tank of a device for spreading the composition.
  • tank-mix a tank
  • the operator adds other phytosanitary products, for example fungicides, herbicides, pesticides, insecticides, fertilizers, adjuvants ...
  • the formulation can be used to prepare a composition diluted in water.
  • water of the active plant protection product by mixing at least one part by weight of concentrated formulation with at least 10 parts of water, preferably less than 10,000 parts. Dilution rates and quantities applied in the field usually depend on the crop product and the desired dose to treat the field (this can be determined by the farmer).
  • the compounds (1), (2), (3) and (4) were prepared according to the general protocol described previously.
  • reaction mixture is decanted, the organic phase washed with distilled water, and the aqueous phase extracted with ethyl acetate.
  • the organic phases are combined and concentrated to dryness.
  • the reaction crude is distilled under reduced pressure.
  • TBHP t-butyl hydroperoxide
  • the mixture is refluxed with alcohol for 20 hours.
  • the reaction mixture is decanted, the organic phase washed with distilled water.
  • the organic phase is concentrated to dryness.
  • the reaction crude is distilled under reduced pressure.
  • the numbers of the compounds correspond to the numbers of the compounds of the preceding Table I.
  • solubility is determined to be in the range (... -%) defined by: maximum concentration of the prepared samples at which all the phytosanitary assets are dissolved-minimum concentration prepared samples to which active grains are not dissolved.
  • Subfamily Active Compound Solubility Solubility at Solubility at temperature number 0 ° C no 0 ° C with
  • the compound (1) is solid at room temperature, the protocol is adapted. The solvent is warmed in a water bath at 30 ° C before the test to make it liquid. Tests (b) and (c) are not made for this compound.
  • a single solubility test was carried out per solvent / resin pair at the working concentration of 100 g / l at room temperature. The tests were carried out on a scale of 1 mL (0.5 g / 5 mL). The tests are carried out in transparent glass bottles. The resin (0.5 g) is weighed in the bottle and then the required volume (5 ml) of The solvent to be tested is introduced into this same bottle. The stirring is carried out using a vortex for 1 to 5 minutes. The solubility results of the resins in the solvents tested, indicated in the table below, are obtained by visual observations.
  • the compound (1) is solid at room temperature, the protocol is adapted.
  • the solvent is warmed in a water bath at 30 ° C before the test to make it liquid.

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EP14713258.3A 2013-02-28 2014-02-24 Furfuralderivate als eine trägersubstanz Withdrawn EP2961739A2 (de)

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FR1351811A FR3002535A1 (fr) 2013-02-28 2013-02-28 Derives du furfural a titre de vehicule
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