WO2009027624A2 - Improvements in or relating to organic compounds - Google Patents

Improvements in or relating to organic compounds Download PDF

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Publication number
WO2009027624A2
WO2009027624A2 PCT/GB2008/002730 GB2008002730W WO2009027624A2 WO 2009027624 A2 WO2009027624 A2 WO 2009027624A2 GB 2008002730 W GB2008002730 W GB 2008002730W WO 2009027624 A2 WO2009027624 A2 WO 2009027624A2
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WO
WIPO (PCT)
Prior art keywords
lactamide
methyl
compound
composition according
alkyl
Prior art date
Application number
PCT/GB2008/002730
Other languages
French (fr)
Other versions
WO2009027624A3 (en
Inventor
Gordon Alastair Bell
Clair Louise Harris
Ian David Tovey
Original Assignee
Syngenta Limited
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
Priority to NZ583089A priority Critical patent/NZ583089A/en
Priority to CA2695171A priority patent/CA2695171C/en
Priority to ES08788299.9T priority patent/ES2621360T3/en
Priority to EA201070305A priority patent/EA017314B1/en
Priority to BRPI0816238A priority patent/BRPI0816238B1/en
Priority to AU2008292009A priority patent/AU2008292009B2/en
Priority to DK08788299.9T priority patent/DK2194778T3/en
Application filed by Syngenta Limited filed Critical Syngenta Limited
Priority to AP2010005160A priority patent/AP2713A/en
Priority to UAA201003389A priority patent/UA100529C2/en
Priority to CN200880104213.1A priority patent/CN101784186B/en
Priority to US12/674,727 priority patent/US20110190129A1/en
Priority to JP2010521463A priority patent/JP5539873B2/en
Priority to EP08788299.9A priority patent/EP2194778B1/en
Priority to MX2010001915A priority patent/MX2010001915A/en
Publication of WO2009027624A2 publication Critical patent/WO2009027624A2/en
Publication of WO2009027624A3 publication Critical patent/WO2009027624A3/en
Priority to IL203736A priority patent/IL203736A/en
Priority to TNP2010000084A priority patent/TN2010000084A1/en
Priority to EG2010020292A priority patent/EG26581A/en

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
    • 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
    • A01N35/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical
    • A01N35/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical at least one of the bonds to hetero atoms is to nitrogen
    • A01N35/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical at least one of the bonds to hetero atoms is to nitrogen containing a carbon-to-nitrogen double bond
    • 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
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/34—Nitriles
    • 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
    • A01N39/00—Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
    • A01N39/02—Aryloxy-carboxylic acids; Derivatives thereof
    • 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
    • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
    • 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
    • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
    • 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
    • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
    • 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
    • A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
    • A01N43/647—Triazoles; Hydrogenated triazoles
    • A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
    • 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
    • A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
    • A01N43/66—1,3,5-Triazines, not hydrogenated and not substituted at the ring nitrogen atoms
    • A01N43/68—1,3,5-Triazines, not hydrogenated and not substituted at the ring nitrogen atoms with two or three nitrogen atoms directly attached to ring carbon atoms
    • A01N43/70—Diamino—1,3,5—triazines with only one oxygen, sulfur or halogen atom or only one cyano, thiocyano (—SCN), cyanato (—OCN) or azido (—N3) group directly attached to a ring carbon atom
    • 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
    • A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
    • 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
    • A01N45/00—Biocides, pest repellants or attractants, or plant growth regulators, containing compounds having three or more carbocyclic rings condensed among themselves, at least one ring not being a six-membered ring
    • A01N45/02—Biocides, pest repellants or attractants, or plant growth regulators, containing compounds having three or more carbocyclic rings condensed among themselves, at least one ring not being a six-membered ring having three carbocyclic rings
    • 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
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/30—Derivatives containing the group >N—CO—N aryl or >N—CS—N—aryl
    • 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
    • A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring

Definitions

  • compositions particularly for agrochemical use, comprising certain lactamides and biologically active compounds, and to methods of making and using such compositions.
  • present invention relates to such compositions when formulated as, or comprised by, an emulsion concentrate (EC).
  • EC emulsion concentrate
  • a suitable solvent will display many or all of the following properties: an excellent dissolving power for pesticides or other biologically active compounds; made from plant or animal renewable resources; low skin irritation; an ability to reduce the skin irritation associated with aggressive formulation components, such as sodium lauryl sulphate; low ecotoxicity, for example to daphnia; low volatile organic content; and a high flash point.
  • the compositions of the present invention comprise a solvent which displays all or many of these attractive properties.
  • R 1 and R 2 are each independently hydrogen; or Ci -6 alkyl, C 2-6 alkenyl or C 3-6 cycloalkyl, each of which is optionally substituted by up to three substituents independently selected from phenyl, hydroxy, Ci -5 alkoxy, morpholinyl and NR R where R 3 and R 4 are each independently Ci -3 alkyl; or phenyl optionally substituted by up to three substituents independently selected from Ci -3 alkyl; or R 1 and R 2 together with the nitrogen atom to which they are attached form a morpholinyl, pyrrolidinyl, piperidinyl or azepanyl ring, each of which is optionally substituted by up to three substituents independently selected from Ci -3 alkyl;
  • At least one biologically active compound which comprises at least one aromatic five and/or six membered ring wherein the ring contains at least one nitrogen as a ring member,
  • composition does not contain cyproconazole when the compound of formula 1 is selected from the group consisting of N-butoxypropyl lactamide; l-(hydroxyethyl) piperidinyl lactamide; N-methyl-N-propyl lactamide; N-(I- ethylpropyl) lactamide; N,N-dimethyl lactamide; N-l,4-dimethylpentyl lactamide; N-(2-hydroxyethyl)-N-benzyl lactamide; N-Morpholinyl lactamide; N-methyl-N-butyl lactamide; N-Isobutyl lactamide; N-AlIyI lactamide; N- Ethyl lactamide; N-Ethyl-N-(2-hydroxyethyl) lactamide; and N-isopropyl lactamide; and (ii) that the biologically active compound is not nicotinic acid when the compound of
  • Alkyl groups and moieties are straight or branched chains. Examples are methyl, ethyl, iso-propyl, n-propyl, n-butyl, sec-butyl, tert-bwXy ⁇ , n-amyl and /so-amyl [3-methylbutyl].
  • Alkenyl groups and moieties may be in the form of straight or branched chains and, where appropriate, may be of either the (E)- or (Z)-conf ⁇ guration. Examples are vinyl and allyl. Cycloalkyl includes cyclopropyl, cyclopentyl and cyclohexyl.
  • R and R are each independently hydrogen; or Ci -6 alkyl which is optionally substituted by up to three substituents independently selected from phenyl, hydroxy, Ci -5 alkoxy, morpholinyl and NR 3 R 4 where R 3 and R 4 are each independently C 1-3 alkyl; or R 1 and R 2 together with the nitrogen atom to which they are attached form a morpholinyl ring which is optionally substituted by up to three substituents independently selected from C] -3 alkyl.
  • R 1 and R 2 are each independently hydrogen; or C] -6 alkyl; or R 1 and R 2 together with the nitrogen atom to which they are attached form a morpholinyl ring.
  • R 1 is methyl and R 2 is methyl, propyl or butyl; or R 1 and R 2 together with the nitrogen atom to which they are attached form a morpholinyl ring.
  • R 3 may be methyl, as may R 4 .
  • R 4 For each optional substituent, it is preferred that it is a methyl group.
  • alkyl groups are branched; most suitably with methyl groups.
  • the active compound in the composition may be an agrochemical.
  • R 1 is not hydrogen, methyl, ethyl, propyl, n-butyl, sec-butyl, wo-butyl, w-amyl, iso-amyl, iso- butylenyl, H-hexyl, 1 -3-dimethylbutyl, allyl, CH 2 CH 2 OH, 2-hydroxypropyl, 2- hydroxy- isobutyl, l,3-dihydroxy-2-methyl-2-propyl, tris-hydroxy-methyl-methyl, CH 2 CH 2 OCH 3 , cyclohexyl, phenyl, benzyl, ⁇ -methylbenzyl, ⁇ -phenylethyl, 3-hydroxypropyl or 1- hydroxy-2-butyl when R 2 is hydrogen;
  • R 1 is not methyl, allyl or phenyl when R 2 is methyl; R 1 is not ethyl when R 2 is ethyl;
  • R 1 is not «-butyl when R 2 is n-butyl
  • R 1 is not zso-butyl when R 2 is is ⁇ -butyl;
  • R 1 is not M-amyl when R 2 is n-amyl
  • R 1 is not iso-amyl when R 2 is iso-amyl; R 1 is not «-hexyl when R 2 is n-hexyl; R 1 is not allyl when R 2 is allyl; R 1 is not butyl or phenyl when R 2 is phenyl; R 1 is not benzyl when R 2 is benzyl; R 1 is not CH 2 CH 2 OH or ethyl when R 2 is CH 2 CH 2 OH;
  • R 1 is not 2-hydroxypropyl when R 2 is 2-hydroxypropyl
  • R 1 and R 2 together with the nitrogen atom to which they are attached do not form a morpholinyl, pyrrolidinyl or piperidinyl unsubstituted ring.
  • the composition may further comprise a solvent selected from the group consisting of aliphatic solvents; straight or branched chain paraffins; cyclic hydrocarbons; aromatic solvents; phosphorus containing solvents; sulphur containing solvents; nitrogen containing solvents; aliphatic mono, di or triesters; aromatic mono and di esters; cyclic esters; cyclic, aliphatic and aromatic ketones; alkyl cyclohexanones, dialkyl ketones, acetoacetates, benzyl ketones,; acetophenone; alcohols; cycloalcohols; glycols; glycol ethers and their polymers; propylene glycols; glycol ether acetates; aromatic alcohols; carbonates; ethers and halogenated solvents.
  • a solvent selected from the group consisting of aliphatic solvents; straight or branched chain paraffins; cyclic hydrocarbons; aromatic solvents; phosphorus containing solvents; sulphur
  • Particularly preferred further solvents are white oil; decalin; mono, di or tri alkylated benzenes; Solvesso 100 or 200ND (t); tri ethyl phosphate;tributyl phosphate; tri- 2-ethylhexylphosphate;methyl oleate;linoleic acid;linolenic acid;oleic acid;dimethyl decanoamide; tetramethyl sulphone; dimethyl sulphoxide;alkyl ureas; alkanolamines; morpholines; amides; alkyl alkanoates, lactates and acetoacetates; fumarates; succinates; adipates; maleates; glycerol and citric acid esters;alkyl benzoates; benzyl alkanoates; alkyl salicylates; phthalates and dibenzoates; gamma butyrolactone; caprolactone; terpene fenchone;
  • the biologically active compound may comprise a five membered nitrogen containing aromatic ring which may be selected from the group consisting of pyrrole, pyrazole, imidazole, 1,2,3-triazoles and 1 ,2,4-triazole, and/or a six membered nitrogen containing aromatic ring which may be selected from the group consisting of pyridine, pyridazine, pyrimidine, pyrazine, 1,2,3-triazine, 1,2,4-triazine and 1,3,5 -triazine.
  • the compound is an agrochemical it may be selected from the group consisting of insecticides, herbicides, plant growth regulators acaricides, nematocides, miticides, plant activators and fungicides.
  • the insecticide may be selected from the group consisting of neonicotinoids, bisamides, benzoylureas and carbamates;
  • the herbicide may be selected from the group consisting of triazines and other photosystem 2 inhibitors, 2,6-dinitroanilines, ACCase inhibitors, PPO inhibitors, synthetic auxins, sulphonyl ureas, bipyrillium herbicides, chloroacetanilides, triazolopyrimidines, pyrazoles and herbicidal safeners;
  • the plant growth regulators may be selected from the group consisting of paclobutrazol and maleic hydrazide;
  • the fungicides may be selected from the group consisting of triazolopyrimidines, pyrimidines, anilinopyrimidines, triazoles and other sterol demethylation inhibitors, MAP kinase inhibitors, strobilurins, adenosine deaminase inhibitors, pyrazoles
  • Figure 1 shows the structure of a particularly preferred fungicidal triazolopyrimidine which may be present in the composition of the invention.
  • FIG. 1 A first figure.
  • the neonicotinoids may be thiamethoxam and imidiacloprid
  • the bisamide may be rynaxypyr
  • the benzoylurea may be chlorfluazuron
  • the carbamate may be pirimicarb
  • the triazines are atrazine, simazine and cyanazine
  • the other photosystem 2 inhibitors may be diuron, prometryn and ametryn
  • the 2,4-dinitroaniline may be fluazinam
  • the ACC ase inhibitors may be fluazifop-P-butyl and clodinafop propargyl
  • the PPO inhibitor may be butafenacil
  • the synthetic auxins may be fluroxypyr meptyl
  • the sulfonyl ureas may be nicosulfuron, cinosulfuron, imazosulfuron, primisulfuron methyl, prosulfuron and imazosulfuron
  • Figure 3 shows the structure of a further preferred fungicide which may be present in the composition of the invention.
  • the composition may further comprise at least one compound selected from the group consisting of adjuvants, surfactants, polymers, thickening agents, dyestuffs or pigments, ultraviolet light absorbers, anti bacterial agents, salts, density modifiers, stenching or odour improving agents, taste modifiers, cosolvents, and humectants.
  • the surfactant may be non-ionic (for example a nonylphenol ethoxylate or an alcohol ethoxylate), anionic (for example an alkyl sulphate, such as sodium lauryl sulphate, or a sulphonate, such as calcium dodecylbenzene sulphonate) or cationic (for example a tertiary amine).
  • the compound of formula 1 may be present in the composition in an amount of from 0.1 to 99 % by weight of the composition and the biologically active compound, which is preferably an agrochemical, may be present in an amount of 0.1 to 75 %, likewise by weight.
  • the compound of formula 1 may be present in an amount of from 0.1 to 99 % by weight of the composition, the agrochemical may be present in an amount of 0.1 to 75 %, by weight and the solvent may be present in an amount of 0.1 to 90 %, likewise by weight.
  • the ratio of compound of formula 1 to agrochemical to solvent may be varied according to needs, a ratio of 1 : 1 : 1 or near to these limits is likely to be valuable for many of the desired formulations however the limits on each component could be as low as 0.01 :1 for the ratio of any two parts of the formulation.
  • the lactamide component of the present compositions may be prepared by reacting a compound of formula (III) [CH 3 CH(OH)C(O)OR 5 (III)] where OR 5 is a leaving group, with a compound of formula (II) [HNR 1 R 2 (H)] where R 1 and R 2 are as defined above.
  • R 5 may be Ci -4 alkyl.
  • the lactamide component of the composition of the present invention may also be prepared by reacting lactide [3,6-dimethyl-[l,4]- dioxane-2,5-dione] with a compound of formula (II) [HNR 1 R 2 (II)] where R 1 and R 2 are as defined above. Schematically, such a reaction is shown below:
  • lactide 3,6-dimethyl-[l,4]-dioxane-2,5-dione
  • a lactamide by reacting lactide with an amine [suitably a primary or secondary amine] which may be carried out under "solvent- free" conditions as the skilled artisan will appreciate.
  • the ratio of compound of formula 1 to agrochemical to solvent is 1 :1 :1 or 2:1:1 or 2:1 :2 or 3:1 :1 or 3:1 :2 or 4.5: 1 :4.5 or 6:1:3 and in a still more preferred embodiment, the compound of formula 1 is dimethyl lactamide (DML) and the agrochemical is the compound 3-difluoromethyl- 1 -methyl- 1 H- pyrazole-4-carboxylic acid(9-isopropyl- l,2,3,4-tetrahydro-l,4-methano-naphthalen-5-yl)-amide shown in Figure 2.
  • DML dimethyl lactamide
  • FIG. 2 Specific embodiments of the present composition comprise 5 to 95 % DML, 0.5 to 50 % of the Figure 2 compound and 5 to 95 % of a further solvent selected from the group consisting of Solvesso 200ND, dipropylene glycol monobutyl ether, dipropylene glycol diacetate, methyl benzoate, benzyl benzoate, dimethyl decanoamide, dipropylene glycol monomethyl ether and butyl benzoate.
  • a further solvent selected from the group consisting of Solvesso 200ND, dipropylene glycol monobutyl ether, dipropylene glycol diacetate, methyl benzoate, benzyl benzoate, dimethyl decanoamide, dipropylene glycol monomethyl ether and butyl benzoate.
  • compositions may be formulated as emulsion concentrates, emulsions in water or oil, microencapsulated formulations, aerosol sprays or fogging formulations; and these may be further formulated into granular materials or powders, for example for dry application or as water-dispersible formulations.
  • the solutions so formed may also be used directly on soil or plants or in other, non-agrochemical, applications.
  • the particularly preferred formulated form of the composition is as an emulsion concentrate (EC).
  • compositions other than the biologically active compound in the case that it is a pesticide, make the composition particularly suitable for inclusion in, or formulation as, skin creams, lotions, sun creams, personal hygiene products and pharmaceutical formulations, such as tablets, suppositories, inhalers, dermal creams and potions, depending on the nature of the pharmaceutically or cosmetically active ingredient.
  • the present inventive compositions have a low toxicity and excellent environmental profile meaning that they are particularly useful in applications where the minimisation of pollution is desired.
  • applications include paper making, water treatment, forestry applications, public health treatments, use in municipal pools and other water courses, in applications near rivers, lakes, reservoirs or seas and in applications where release to the atmosphere has to be minimised or controlled and where damage to the atmosphere is not desirable.
  • examples include use of fungicide containing compositions according to the present invention in exterior and interior paints, coatings, varnishes, waxes or other protectant layers or opacif ⁇ ers, colourants or screens; in dyeing, pigmentation or the use of inks; in cleaning products designed for the home, garden or industrial applications; and in soap or detergent applications for industrial, home or environmental usage.
  • compositions of the present invention may also be used in shampoos, and in househould detergents and household cleaners (for example surface cleaners), in which the active ingredient may be a fungicide (possibly azoxystrobin) in the case of shampoo or a bacteriocide in the case of the detergents and cleaners.
  • active ingredient may be a fungicide (possibly azoxystrobin) in the case of shampoo or a bacteriocide in the case of the detergents and cleaners.
  • the present invention also provides a method of making the inventive composition disclosed above by admixing a compound of formula 1 as indicated above with a biologically active compound.
  • the present invention also provides a method of controlling an agricultural pest comprising application to the pest or to a surface on which it is capable of being present of an pesticidally effective amount of a composition according to the invention.
  • the pest may be a fungus and the agrochemical may be a fungicide, in particular 3- difluoromethyl- 1 -methyl- 1 H- pyrazole-4-carboxylic acid(9-isopropyl- 1 ,2,3 ,4-tetrahydro- l,4-methano-naphthalen-5-yl)-amide (Figure 2 above) or the fungicide shown in Figure 3.
  • the invention still further provides the use of the present inventive composition to control a plant pest.
  • the pest is a phytopathogenic fungus
  • the compound of formula 1 is dimethyl lactamide
  • the agrochemical has the structure 3-difluoromethyl-l -methyl- IH- pyrazole-4-carboxylic acid(9-isopropyl-l,2,3,4- tetrahydro-l,4-methano-naphthalen-5-yl)-amide ( Figure 2) and the composition comprises a further solvent selected from the group consisting of Solvesso 200ND, dipropylene glycol monobutyl ether or dipropylene glycol diacetate, methyl benzoate, benzyl benzoate, dimethyl decanoamide, dipropylene glycol monomethyl ether and butyl benzoate.
  • compositions of the present invention are particularly valuable in formulations where contact with either human or animal skin or eyes is required or may occur by accident.
  • Applications such as the use of shampoo or body cleaning fluids (such as shower gels, hand or body wipes and medical wipes) may benefit from the safe nature of these lactamide solvent present in the composition, which may form part of a cleaning formulation and which may also reduce the irritancy of some of the other ingredients, such as surfactants.
  • the irritation to skin or eyes caused by the direct application of pharmaceutical or veterinary compositions to them may be reduced relative to the like application of prior art compositions containing the same pharmaceutically active ingredients.
  • the compositions of the present invention may also be used for anti-bacterial purposes.
  • Hand cleansers and fluids used to clean floors, kitchens or vehicles may also benefit from the inherent reduction in risk associated with the safening nature of the lactamide solvent.
  • Example 1 The following general method is used to measure the solubility of pesticide samples in solvents. A 2 ml aliquot of solvent is added to a 5 ml volume glass vial. Pesticide is added such that half of the volume of the liquid is filled. The sample is shaken for one minute and left to stand for 24 hours. Samples which have dissolved are refilled with more of the pesticide, shaken and left for a further 24 hours. This process is continued until the samples have equilibrated for three days without the need for further pesticide addition. The samples are then placed in a temperature controlled oven at 25 C for one week prior to analysis by high pressure liquid chromatography. All samples are filtered and centrifuged prior to chromatographic analysis.
  • Example 2 The compounds chlorothalonil, tralkoxoydim and napropamide have chemical structures which do not contain aromatic heterocyclic rings. Table 2 displays the solubility of the three solvents dimethyl lactamide, Solvesso 200ND and acetophenone. In each case the solubility of the compounds in dimethyl lactamide is lower than that for the other two solvents.

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Abstract

A composition comprising a compound of formula (I) CH3CH(OH)C(=O)NR1R2 where R1 and R2 are each independently hydrogen; or C1-6 alkyl, C2-6 alkenyl or C3-6 cycloalkyl, each of which is optionally substituted by up to three substituents independently selected from phenyl, hydroxy, C1-5 alkoxy, morpholinyl and NR3R4 where R3 and R4 are each independently C1-3 alkyl; or phenyl optionally substituted by up to three substituents independently selected from C1-3 alkyl; or R1 and R2 together with the nitrogen atom to which they are attached form a morpholinyl, pyrrolidinyl, piperidinyl or azepanyl ring, each of which is optionally substituted by up to three substituents independently selected from C1-3 alkyl; and at least one biologically active compound, which comprises at least one aromatic five and/or six tnembered ring wherein the ring contains at least one nitrogen as a ring member, with the provisos (i) that the composition does not contain cyproconazole when the compound of formula (1) is selected from the group consisting of N-butoxypropyl lactamide; 1-(hydroxyethyl) piperidinyl lactamide; N-methyl-N-propyl lactamide; N-(1-ethylpropyl) lactamide; N,N-dimethyl lactamide; N-1,4-dimethylpentyl lactamide; N-(2-hydroxyethyl)-N-benzyl lactamide; N-Morpholinyl lactamide; N-methyl-N-butyl lactamide; N-Isobutyl lactamide; N-AlIyI lactamide; N-Ethyl lactamide; N-Ethyl-N-(2-hydroxyethyl) lactamide; and N-isopropyl lactamide; and (ii) that the biologically active compound is not nicotinic acid when the compound of formula (1) is diethyl-lactamide. Such compositions may be, or may be comprised by, emulsion concentrates, particularly so in the case that the compound of formula (I) is dimethyl lactamide and the biologically active compound is the fungicide 3-difluoromethyl-1-methyl-1H-pyrazole-4-carboxylic acid(9-isopropyl-1,2,3,4-tetrahydro-1,4-methano-naphthalen-5-yl)-amide shown in Figure 2.

Description

IMPROVEMENTS IN OR RELATING TO ORGANIC COMPOUNDS
This invention relates to compositions, particularly for agrochemical use, comprising certain lactamides and biologically active compounds, and to methods of making and using such compositions. In particular the present invention relates to such compositions when formulated as, or comprised by, an emulsion concentrate (EC).
An agrochemical (fungicidal) composition comprising dimethyl lactamide and triforine is disclosed in DE 41 12 873 Al.
Certain lactamides are disclosed in Ratchford, W. P. and Fisher, C. H., Journal of Organic Chemistry, 1950, 15, 317-325; Ratchford, W. P., Journal of Organic Chemistry, 1950, 15, 326-332; Fein, M. L. and Filachione, E.M., Journal of the American Chemical Society, 1953, 75, 2097-2099; and US 4,143,159.
Nowadays, the Formulation Chemist is required to address a number of environmental criteria when developing new formulations. Ideally, a suitable solvent will display many or all of the following properties: an excellent dissolving power for pesticides or other biologically active compounds; made from plant or animal renewable resources; low skin irritation; an ability to reduce the skin irritation associated with aggressive formulation components, such as sodium lauryl sulphate; low ecotoxicity, for example to daphnia; low volatile organic content; and a high flash point. The compositions of the present invention comprise a solvent which displays all or many of these attractive properties.
However, not all solvents are equal with respect to their capacity to dissolve biologically active compounds - the nature of the compound and its interaction with the solvent is substantially decisive. It has surprisingly been found that a particular class of solvent is surprisingly effective in dissolving a particular class of biologically active compound.
According to the present invention there is provided a composition comprising a compound of formula I CH3CH(OH)CC=O)NR1R2 (I)
where R1 and R2 are each independently hydrogen; or Ci-6 alkyl, C2-6 alkenyl or C3-6 cycloalkyl, each of which is optionally substituted by up to three substituents independently selected from phenyl, hydroxy, Ci-5 alkoxy, morpholinyl and NR R where R3 and R4 are each independently Ci-3 alkyl; or phenyl optionally substituted by up to three substituents independently selected from Ci-3 alkyl; or R1 and R2 together with the nitrogen atom to which they are attached form a morpholinyl, pyrrolidinyl, piperidinyl or azepanyl ring, each of which is optionally substituted by up to three substituents independently selected from Ci-3 alkyl;
and at least one biologically active compound, which comprises at least one aromatic five and/or six membered ring wherein the ring contains at least one nitrogen as a ring member,
with the provisos
(i) that the composition does not contain cyproconazole when the compound of formula 1 is selected from the group consisting of N-butoxypropyl lactamide; l-(hydroxyethyl) piperidinyl lactamide; N-methyl-N-propyl lactamide; N-(I- ethylpropyl) lactamide; N,N-dimethyl lactamide; N-l,4-dimethylpentyl lactamide; N-(2-hydroxyethyl)-N-benzyl lactamide; N-Morpholinyl lactamide; N-methyl-N-butyl lactamide; N-Isobutyl lactamide; N-AlIyI lactamide; N- Ethyl lactamide; N-Ethyl-N-(2-hydroxyethyl) lactamide; and N-isopropyl lactamide; and (ii) that the biologically active compound is not nicotinic acid when the compound of formula 1 is diethyl-lactamide.
Alkyl groups and moieties are straight or branched chains. Examples are methyl, ethyl, iso-propyl, n-propyl, n-butyl, sec-butyl, tert-bwXy\, n-amyl and /so-amyl [3-methylbutyl].
Alkenyl groups and moieties may be in the form of straight or branched chains and, where appropriate, may be of either the (E)- or (Z)-confϊguration. Examples are vinyl and allyl. Cycloalkyl includes cyclopropyl, cyclopentyl and cyclohexyl.
In one aspect of the composition, in the compound of formula I R and R are each independently hydrogen; or Ci-6 alkyl which is optionally substituted by up to three substituents independently selected from phenyl, hydroxy, Ci-5 alkoxy, morpholinyl and NR3R4 where R3 and R4 are each independently C1-3 alkyl; or R1 and R2 together with the nitrogen atom to which they are attached form a morpholinyl ring which is optionally substituted by up to three substituents independently selected from C]-3 alkyl.
In an even more suitable aspect, R1 and R2 are each independently hydrogen; or C]-6 alkyl; or R1 and R2 together with the nitrogen atom to which they are attached form a morpholinyl ring.
In an even further suitable aspect, R1 is methyl and R2 is methyl, propyl or butyl; or R1 and R2 together with the nitrogen atom to which they are attached form a morpholinyl ring. R3 may be methyl, as may R4 . For each optional substituent, it is preferred that it is a methyl group. Suitably alkyl groups are branched; most suitably with methyl groups.
The active compound in the composition may be an agrochemical.
In one embodiment of the composition, in the compound of formula 1, R1 is not hydrogen, methyl, ethyl, propyl, n-butyl, sec-butyl, wo-butyl, w-amyl, iso-amyl, iso- butylenyl, H-hexyl, 1 -3-dimethylbutyl, allyl, CH2CH2OH, 2-hydroxypropyl, 2- hydroxy- isobutyl, l,3-dihydroxy-2-methyl-2-propyl, tris-hydroxy-methyl-methyl, CH2CH2OCH3, cyclohexyl, phenyl, benzyl, α-methylbenzyl, β-phenylethyl, 3-hydroxypropyl or 1- hydroxy-2-butyl when R2 is hydrogen;
R1 is not methyl, allyl or phenyl when R2 is methyl; R1 is not ethyl when R2 is ethyl;
R1 is not «-butyl when R2 is n-butyl;
R1 is not zso-butyl when R2 is isø-butyl;
R1 is not M-amyl when R2 is n-amyl;
R1 is not iso-amyl when R2 is iso-amyl; R1 is not «-hexyl when R2 is n-hexyl; R1 is not allyl when R2 is allyl; R1 is not butyl or phenyl when R2 is phenyl; R1 is not benzyl when R2 is benzyl; R1 is not CH2CH2OH or ethyl when R2 is CH2CH2OH;
R1 is not 2-hydroxypropyl when R2 is 2-hydroxypropyl; and
R1 and R2 together with the nitrogen atom to which they are attached do not form a morpholinyl, pyrrolidinyl or piperidinyl unsubstituted ring.
The composition may further comprise a solvent selected from the group consisting of aliphatic solvents; straight or branched chain paraffins; cyclic hydrocarbons; aromatic solvents; phosphorus containing solvents; sulphur containing solvents; nitrogen containing solvents; aliphatic mono, di or triesters; aromatic mono and di esters; cyclic esters; cyclic, aliphatic and aromatic ketones; alkyl cyclohexanones, dialkyl ketones, acetoacetates, benzyl ketones,; acetophenone; alcohols; cycloalcohols; glycols; glycol ethers and their polymers; propylene glycols; glycol ether acetates; aromatic alcohols; carbonates; ethers and halogenated solvents.
Particularly preferred further solvents are white oil; decalin; mono, di or tri alkylated benzenes; Solvesso 100 or 200ND (t); tri ethyl phosphate;tributyl phosphate; tri- 2-ethylhexylphosphate;methyl oleate;linoleic acid;linolenic acid;oleic acid;dimethyl decanoamide; tetramethyl sulphone; dimethyl sulphoxide;alkyl ureas; alkanolamines; morpholines; amides; alkyl alkanoates, lactates and acetoacetates; fumarates; succinates; adipates; maleates; glycerol and citric acid esters;alkyl benzoates; benzyl alkanoates; alkyl salicylates; phthalates and dibenzoates; gamma butyrolactone; caprolactone; terpene fenchone; cyclohexanone; alkyl cyclohexanones; 2-ethylhexanol and other alkyl alcohols; cyclohexanol; tetrahydrofurfuryl alcohol; ethylene and propylene glycol and their polymers; dipropylene glycol; monomethyl or monobutyl ether; dipropylene glycol diacetate or other glycol ether acetates, or tripropylene glycol monobutyl ether; benzyl alcohol; propylene or butylene carbonate; dimethyl isosorbide; alkoxyalkanols; diphenyl ether; chlorobenzene and the chloroalkanes.
The biologically active compound may comprise a five membered nitrogen containing aromatic ring which may be selected from the group consisting of pyrrole, pyrazole, imidazole, 1,2,3-triazoles and 1 ,2,4-triazole, and/or a six membered nitrogen containing aromatic ring which may be selected from the group consisting of pyridine, pyridazine, pyrimidine, pyrazine, 1,2,3-triazine, 1,2,4-triazine and 1,3,5 -triazine.
In the case that the compound is an agrochemical it may be selected from the group consisting of insecticides, herbicides, plant growth regulators acaricides, nematocides, miticides, plant activators and fungicides.
The insecticide may be selected from the group consisting of neonicotinoids, bisamides, benzoylureas and carbamates; the herbicide may be selected from the group consisting of triazines and other photosystem 2 inhibitors, 2,6-dinitroanilines, ACCase inhibitors, PPO inhibitors, synthetic auxins, sulphonyl ureas, bipyrillium herbicides, chloroacetanilides, triazolopyrimidines, pyrazoles and herbicidal safeners; the plant growth regulators may be selected from the group consisting of paclobutrazol and maleic hydrazide; and the fungicides may be selected from the group consisting of triazolopyrimidines, pyrimidines, anilinopyrimidines, triazoles and other sterol demethylation inhibitors, MAP kinase inhibitors, strobilurins, adenosine deaminase inhibitors, pyrazoles and carboxamides.
Figure 1 shows the structure of a particularly preferred fungicidal triazolopyrimidine which may be present in the composition of the invention.
Figure imgf000006_0001
FIG. 1
The neonicotinoids may be thiamethoxam and imidiacloprid, the bisamide may be rynaxypyr, the benzoylurea may be chlorfluazuron, the carbamate may be pirimicarb; the triazines are atrazine, simazine and cyanazine, the other photosystem 2 inhibitors may be diuron, prometryn and ametryn, the 2,4-dinitroaniline may be fluazinam, the ACC ase inhibitors may be fluazifop-P-butyl and clodinafop propargyl, the PPO inhibitor may be butafenacil, the synthetic auxins may be fluroxypyr meptyl, the sulfonyl ureas may be nicosulfuron, cinosulfuron, imazosulfuron, primisulfuron methyl, prosulfuron and imazosulfuron, the bipyrillium herbicides may be paraquat and diquat, the chloroacetanilide may be metazachlor, the triazolopyrimidines are cloransulam methyl, florasulam, and penoxsulam, the pyrazole is benzofenap, the herbicidal safener may be cloquintocet, the plant growth regulators may be paclobutrazol and maleic hydrazide; the plant activator is acibenzolar-s-methyl; the pyrimidines may be bupirimate, dimethirimol and ethirimol, the anilinopyrimidines may be cyprodinil and pyrimethanil, the triazoles may be bitertanol, diniconazole, epoxiconazole, fenbuconazole, fluquinconazole, flutriafol, penconazole, tebuconazole, triadimefon, triadimenol, difenoconazole, propiconazole, and hexaconazole, the other sterol demethylation inhibitors are flutriafol, imazalil, and prochloraz, the triazolopyrimidine fungicide may be that shown in Figure 1 , the MAP kinase inhibitor may be fludioxonil, the strobilurins may be azoxystrobin and picoxystrobin, the adenosine deaminase inhibitor may be ethirimol, the pyrazole is bixafen and the carboxamides may be boscalid furametpyr, penthiopyrad, thifluzamide, fluopyram and, in particular, the compound 3 -difluoromethyl-1 -methyl- IH- pyrazole-4- carboxylic acid(9-isopropyl-l,2,3,4-tetrahydro-l,4-methano-naphthalen-5-yl)-amide, shown in Figure 2 below.
Figure imgf000007_0001
FIG. 2
Figure 3 shows the structure of a further preferred fungicide which may be present in the composition of the invention.
Figure imgf000008_0001
FIG. 3
The composition may further comprise at least one compound selected from the group consisting of adjuvants, surfactants, polymers, thickening agents, dyestuffs or pigments, ultraviolet light absorbers, anti bacterial agents, salts, density modifiers, stenching or odour improving agents, taste modifiers, cosolvents, and humectants. The surfactant, may be non-ionic (for example a nonylphenol ethoxylate or an alcohol ethoxylate), anionic (for example an alkyl sulphate, such as sodium lauryl sulphate, or a sulphonate, such as calcium dodecylbenzene sulphonate) or cationic (for example a tertiary amine).
The compound of formula 1 may be present in the composition in an amount of from 0.1 to 99 % by weight of the composition and the biologically active compound, which is preferably an agrochemical, may be present in an amount of 0.1 to 75 %, likewise by weight.
In a preferred embodiment of the composition, the compound of formula 1 may be present in an amount of from 0.1 to 99 % by weight of the composition, the agrochemical may be present in an amount of 0.1 to 75 %, by weight and the solvent may be present in an amount of 0.1 to 90 %, likewise by weight.
The ratio of compound of formula 1 to agrochemical to solvent may be varied according to needs, a ratio of 1 : 1 : 1 or near to these limits is likely to be valuable for many of the desired formulations however the limits on each component could be as low as 0.01 :1 for the ratio of any two parts of the formulation. The lactamide component of the present compositions may be prepared by reacting a compound of formula (III) [CH3CH(OH)C(O)OR5 (III)] where OR5 is a leaving group, with a compound of formula (II) [HNR1R2 (H)] where R1 and R2 are as defined above. R5 may be Ci-4 alkyl. This process produces HOR5 as a by-product; a cleaner reaction avoids this by-product: the lactamide component of the composition of the present invention may also be prepared by reacting lactide [3,6-dimethyl-[l,4]- dioxane-2,5-dione] with a compound of formula (II) [HNR1R2 (II)] where R1 and R2 are as defined above. Schematically, such a reaction is shown below:
+ 2 HNR1R2 (II) *■ 2 CH3CH(OH)C(=O)NR1R2 (I)
Figure imgf000009_0001
The synthesis is not limited to the above reaction scheme; it illustrates how lactide [3,6-dimethyl-[l,4]-dioxane-2,5-dione] may be converted to a lactamide by reacting lactide with an amine [suitably a primary or secondary amine] which may be carried out under "solvent- free" conditions as the skilled artisan will appreciate.
In a particularly preferred embodiment of the present inventive composition, the ratio of compound of formula 1 to agrochemical to solvent is 1 :1 :1 or 2:1:1 or 2:1 :2 or 3:1 :1 or 3:1 :2 or 4.5: 1 :4.5 or 6:1:3 and in a still more preferred embodiment, the compound of formula 1 is dimethyl lactamide (DML) and the agrochemical is the compound 3-difluoromethyl- 1 -methyl- 1 H- pyrazole-4-carboxylic acid(9-isopropyl- l,2,3,4-tetrahydro-l,4-methano-naphthalen-5-yl)-amide shown in Figure 2.
Figure imgf000009_0002
FIG. 2 Specific embodiments of the present composition comprise 5 to 95 % DML, 0.5 to 50 % of the Figure 2 compound and 5 to 95 % of a further solvent selected from the group consisting of Solvesso 200ND, dipropylene glycol monobutyl ether, dipropylene glycol diacetate, methyl benzoate, benzyl benzoate, dimethyl decanoamide, dipropylene glycol monomethyl ether and butyl benzoate.
The skilled man will recognise that the present compositions may be formulated as emulsion concentrates, emulsions in water or oil, microencapsulated formulations, aerosol sprays or fogging formulations; and these may be further formulated into granular materials or powders, for example for dry application or as water-dispersible formulations. The solutions so formed may also be used directly on soil or plants or in other, non-agrochemical, applications.
The particularly preferred formulated form of the composition is as an emulsion concentrate (EC).
The low toxicity of the components of the composition, other than the biologically active compound in the case that it is a pesticide, makes the composition particularly suitable for inclusion in, or formulation as, skin creams, lotions, sun creams, personal hygiene products and pharmaceutical formulations, such as tablets, suppositories, inhalers, dermal creams and potions, depending on the nature of the pharmaceutically or cosmetically active ingredient.
The present inventive compositions have a low toxicity and excellent environmental profile meaning that they are particularly useful in applications where the minimisation of pollution is desired. Examples of such applications include paper making, water treatment, forestry applications, public health treatments, use in municipal pools and other water courses, in applications near rivers, lakes, reservoirs or seas and in applications where release to the atmosphere has to be minimised or controlled and where damage to the atmosphere is not desirable. Examples include use of fungicide containing compositions according to the present invention in exterior and interior paints, coatings, varnishes, waxes or other protectant layers or opacifϊers, colourants or screens; in dyeing, pigmentation or the use of inks; in cleaning products designed for the home, garden or industrial applications; and in soap or detergent applications for industrial, home or environmental usage. The compositions of the present invention may also be used in shampoos, and in househould detergents and household cleaners (for example surface cleaners), in which the active ingredient may be a fungicide (possibly azoxystrobin) in the case of shampoo or a bacteriocide in the case of the detergents and cleaners.
The present invention also provides a method of making the inventive composition disclosed above by admixing a compound of formula 1 as indicated above with a biologically active compound.
The present invention also provides a method of controlling an agricultural pest comprising application to the pest or to a surface on which it is capable of being present of an pesticidally effective amount of a composition according to the invention. The pest may be a fungus and the agrochemical may be a fungicide, in particular 3- difluoromethyl- 1 -methyl- 1 H- pyrazole-4-carboxylic acid(9-isopropyl- 1 ,2,3 ,4-tetrahydro- l,4-methano-naphthalen-5-yl)-amide (Figure 2 above) or the fungicide shown in Figure 3.
The invention still further provides the use of the present inventive composition to control a plant pest. In a particularly preferred use, the pest is a phytopathogenic fungus, the compound of formula 1 is dimethyl lactamide, the agrochemical has the structure 3-difluoromethyl-l -methyl- IH- pyrazole-4-carboxylic acid(9-isopropyl-l,2,3,4- tetrahydro-l,4-methano-naphthalen-5-yl)-amide (Figure 2) and the composition comprises a further solvent selected from the group consisting of Solvesso 200ND, dipropylene glycol monobutyl ether or dipropylene glycol diacetate, methyl benzoate, benzyl benzoate, dimethyl decanoamide, dipropylene glycol monomethyl ether and butyl benzoate.
The compositions of the present invention are particularly valuable in formulations where contact with either human or animal skin or eyes is required or may occur by accident. Applications such as the use of shampoo or body cleaning fluids (such as shower gels, hand or body wipes and medical wipes) may benefit from the safe nature of these lactamide solvent present in the composition, which may form part of a cleaning formulation and which may also reduce the irritancy of some of the other ingredients, such as surfactants. In a similar fashion the irritation to skin or eyes caused by the direct application of pharmaceutical or veterinary compositions to them may be reduced relative to the like application of prior art compositions containing the same pharmaceutically active ingredients. The compositions of the present invention may also be used for anti-bacterial purposes. Hand cleansers and fluids used to clean floors, kitchens or vehicles may also benefit from the inherent reduction in risk associated with the safening nature of the lactamide solvent.
The invention is illustrated by the following non limiting Examples.
Example 1. The following general method is used to measure the solubility of pesticide samples in solvents. A 2 ml aliquot of solvent is added to a 5 ml volume glass vial. Pesticide is added such that half of the volume of the liquid is filled. The sample is shaken for one minute and left to stand for 24 hours. Samples which have dissolved are refilled with more of the pesticide, shaken and left for a further 24 hours. This process is continued until the samples have equilibrated for three days without the need for further pesticide addition. The samples are then placed in a temperature controlled oven at 25 C for one week prior to analysis by high pressure liquid chromatography. All samples are filtered and centrifuged prior to chromatographic analysis.
Two common solvents used in the pesticide industry are Solvesso 200 and acetophenone. They have been used to manufacture many commercial emulsion concentrate formulations. As a comparison the solubility of fludioxynil, hexaconazole, 3 -difluoromethyl-1 -methyl- IH- pyrazole-4-carboxylic acid(9-isopropyl-l,2,3,4- tetrahydro-l,4-methano-naphthalen-5-yl)-amide (Figure 2), prometryn, thiamethoxam and cyprodinil, have been compared in these two solvents to dimethyl lactamide. All of these compounds contain either five or six membered aromatic heterocyclic rings. In each case the solubility in dimethyl lactamide is better than in ether Solvesso 200ND or acetophenone.
Figure imgf000013_0001
Table 1
* Analysis by chromatography was not available for this sample. Diuron was not soluble at 0.2 % w/w. to
Example 2. The compounds chlorothalonil, tralkoxoydim and napropamide have chemical structures which do not contain aromatic heterocyclic rings. Table 2 displays the solubility of the three solvents dimethyl lactamide, Solvesso 200ND and acetophenone. In each case the solubility of the compounds in dimethyl lactamide is lower than that for the other two solvents.
Figure imgf000014_0001
Table 2

Claims

1. A composition comprising a compound of formula I
CH3CH(OH)C(=O)NR1R2 (I)
where R1 and R2 are each independently hydrogen; or C1-6 alkyl, C2-6 alkenyl or C3-6 cycloalkyl, each of which is optionally substituted by up to three substituents independently selected from phenyl, hydroxy, Ci-5 alkoxy, morpholinyl and NR3R4 where R3 and R4 are each independently Ci-3 alkyl; or phenyl optionally substituted by up to three substituents independently selected from Ci-3 alkyl; or R1 and R2 together with the nitrogen atom to which they are attached form a morpholinyl, pyrrolidinyl, piperidinyl or azepanyl ring, each of which is optionally substituted by up to three substituents independently selected from Ci-3 alkyl;
and at least one biologically active compound, which comprises at least one aromatic five and/or six membered ring wherein the ring contains at least one nitrogen as a ring member,
with the provisos
(i) that the composition does not contain cyproconazole when the compound of formula 1 is selected from the group consisting of N-butoxypropyl lactamide; l-(hydroxyethyl) piperidinyl lactamide; N-methyl-N-propyl lactamide; N-(I- ethylpropyl) lactamide; N,N-dimethyl lactamide; N-l,4-dimethylpentyl lactamide; N-(2-hydroxyethyl)-N-benzyl lactamide; N-Morpholinyl lactamide; N-methyl-N-butyl lactamide; N-Isobutyl lactamide; N-AlIyI lactamide; N- Ethyl lactamide; N-Ethyl-N-(2-hydroxyethyl) lactamide; and N-isopropyl lactamide; and (ii) that the biologically active compound is not nicotinic acid when the compound of formula 1 is diethyl-lactamide.
2. A composition according to claim 1 , wherein the active compound is an agrochemical.
3. A composition according to any preceding claim, wherein in the compound of formula 1 R1 is not hydrogen, methyl, ethyl, propyl, n-butyl, sec-butyl, wo-butyl, «-amyl, iso-amyl, zso-butylenyl, «-hexyl, 1-3-dimethylbutyl, allyl, CH2CH2OH, 2-hydroxypropyl, 2- hydroxy-isobutyl, l,3-dihydroxy-2-methyl-2-propyl, tris- hydroxy-methyl-methyl, CH2CH2OCH3, cyclohexyl, phenyl, benzyl, α- methylbenzyl, β-phenylethyl, 3-hydroxypropyl or l-hydroxy-2-butyl when R2 is hydrogen;
R1 is not methyl, allyl or phenyl when R2 is methyl; R1 is not ethyl when R2 is ethyl;
R1 is not M-butyl when R2 is w-butyl;
R1 is not z'so-butyl when R2 is isø-butyl;
R1 is not n-amyl when R2 is «-amyl;
R1 is not iso-amyl when R2 is iso-amyl; R1 is not «-hexyl when R2 is n-hexyl;
R1 is not allyl when R2 is allyl;
R1 is not butyl or phenyl when R2 is phenyl;
R1 is not benzyl when R2 is benzyl;
R1 is not CH2CH2OH or ethyl when R2 is CH2CH2OH; R1 is not 2-hydroxypropyl when R2 is 2-hydroxypropyl; and
R1 and R2 together with the nitrogen atom to which they are attached do not form a morpholinyl, pyrrolidinyl or piperidinyl unsubstituted ring.
4. A composition according to any preceding claim, which further comprises a solvent selected from the group consisting of aliphatic solvents; straight or branched chain paraffins; cyclic hydrocarbons; aromatic solvents; phosphorus containing solvents; sulphur containing solvents; nitrogen containing solvents; aliphatic mono, di or triesters; aromatic mono and di esters; cyclic esters; cyclic, aliphatic and aromatic ketones; alkyl cyclohexanones, dialkyl ketones, acetoacetates, benzyl ketones,; acetophenone; akyl alcohols; cycloalcohols; glycols; glycol ethers and their polymers; propylene glycols; glycol ether acetates; aromatic alcohols; carbonates; ethers and halogenated solvents.
5. A composition according to the preceding claim, wherein the solvent is selected from the group consisting of white oil; decalin; mono, di or tri alkylated benzenes; Solvesso 100 or 200ND (t); triethyl phosphate, tributyl phosphate or tris-2-ethylhexylphosphate;methyl oleate;linoleic acid;linolenic acid;oleic acid;dimethyl decanoamide; tetramethyl sulphone; dimethyl sulphoxide; alkyl ureas; alkanolamines; morpholines; amides; alkyl alkanoates, lactates and acetoacetates; fumarates; succinates; adipates; maleates; glycerol and citric acid esters;alkyl benzoates; benzyl alkanoates; alkyl salicylates; phthalates and dibenzoates; gamma butyrolactone; caprolactone; terpene fenchone; cyclohexanone; alkyl cyclohexanones; 2-ethylhexanol; cyclohexanol; tetrahydrofurfuryl alcohol; ethylene and propylene glycol and their polymers; dipropylene glycol; monomethyl or monobutyl ether; dipropylene glycol diacetate, or tripropylene glycol monobutyl ether; benzyl alcohol; propylene or butylene carbonate; dimethyl isosorbide; alkoxyalkanols; diphenyl ether; chlorobenzene and chloroalkanes.
6. A composition according to any preceding claim, wherein the five membered nitrogen containing aromatic ring is selected from the group consisting of pyrrole, pyrazole, imidazole, 1,2,3-triazoles and 1,2,4-triazole.
7. A composition according to any preceding claim, wherein the six membered nitrogen containing aromatic ring is selected from the group consisting of pyridine, pyridazine, pyrimidine, pyrazine, 1 ,2,3-triazine, 1,2,4-triazine and 1,3,5 -triazine.
8. A composition according to any preceding claim, wherein the agrochemical is selected from the group consisting of insecticides, herbicides, plant growth regulators, plant activators, acaricides, nematocides, miticides and fungicides.
9. A composition according to the preceding claim, wherein the insecticide is selected from the group consisting of neonicotinoids, bisamides, benzoylureas and carbamates; the herbicide is selected from the group consisting of triazines and other photosystem 2 inhibitors, 2,6-dinitroanilines, ACCase inhibitors, PPO inhibitors, synthetic auxins, sulphonyl ureas, bipyrillium herbicides, chloroacetanilides, triazolopyrimidines, pyrazoles and herbicidal safeners; the plant growth regulators are selected from the group consisting of paclobutrazol and maleic hydrazide; and the fungicides are selected from the group consisting of pyrimidines, anilinopyrimidines, triazoles and other sterol demethylation inhibitors, triazolopyrimidines MAP kinase inhibitors, strobilurins, adenosine deaminase inhibitors, pyrazoles and carboxamides.
10. A composition according to the preceding claim, wherein neonicotinoids are thiamethoxam and imidiacloprid, the bisamide is rynaxypyr, the benzoylurea is chlorfluazuron, the carbamate is pirimicarb; the triazines are atrazine, simazine and cyanazine, the other photosystem 2 inhibitors are diuron, prometryn and ametryn, the 2,4-dinitroaniline is fluazinam, the ACC ase inhibitors are fluazifop- P-butyl and clodinafop propargyl, the PPO inhibitor is butafenacil, the synthetic auxins are fluroxypyr meptyl, the sulfonyl ureas are nicosulfuron, cinosulfuron, imazosulfuron, primisulfuron methyl, prosulfuron and imazosulfuron, the bipyrillium herbicides are paraquat and diquat, the chloroacetanilide is metazachlor, the triazolopyrimidines are cloransulam methyl, florasulam, and penoxsulam, the pyrazole is benzofenap, the herbicidal safener is cloquintocet, the plant growth regulators are paclobutrazol and maleic hydrazide; the plant activator is acibenzolar-s-methyl the pyrimidines are bupirimate, dimethirimol and ethirimol, the anilinopyrimidines are cyprodinil and pyrimethanil, the triazolopyrimidine fungicide has the structure shown in Figure 1 , the triazoles are bitertanol, diniconazole, epoxiconazole, fenbuconazole, fluquinconazole, flutriafol, penconazole, tebuconazole, triadimefon, triadimenol, difenoconazole, propiconazole, and hexaconazole, the other sterol demethylation inhibitors are flutriafol, imazalil, and prochloraz, the MAP kinase inhibitor is fludioxonil, the strobilurins are azoxystrobin and picoxystrobin, the adenosine deaminase inhibitor is ethirimol, the pyrazole is bixafen and the carboxamides are boscalid furametpyr, penthiopyrad, thifluzamide, fluopyram and the compound 3- difluoromethyl-1 -methyl- IH- pyrazole-4-carboxylic acid(9-isopropyl-l, 2,3,4- tetrahydro-l ,4-methano-naphthalen-5-yl)-amide, as shown in Figure 2.
Figure imgf000019_0001
FIG. 2
11. A composition according to any preceding claim, which further comprises at least one compound selected from the group consisting of adjuvants, surfactants, polymers, thickening agents, dyestuffs or pigments, ultraviolet light absorbers, anti bacterial agents, salts, density modifiers, stenching or odour improving agents, taste modifiers, cosolvents, and humectants.
12. A composition according to any preceding claim, wherein the compound of formula 1 is present in an amount of from 0.1 to 99 % by weight of the composition and the agrochemical is present in an amount of 0.1 to 75 %, likewise by weight.
13. A composition according to any one of claims 2 to 12, wherein the compound of formula 1 is present in an amount of from 0.1 to 99 % by weight of the composition, the agrochemical is present in an amount of 0.1 to 75 %, by weight and the solvent is present in an amount of 0.1 to 90 %, likewise by weight.
14. A composition according to the preceding claim, wherein the ratio of compound of formula 1 to agrochemical to solvent is defined within the limits 0.01 to 1 : 0.01 to 1 : 0.01 to 1.
15. A composition according to the preceding claim wherein the ratio of compound of formula 1 to agrochemical to solvent is 1:1: 1 or 2:1:1 or 2:1 :2 or 3:1:1 or 3:1 :2 or 4.5:1 :4.5 or 6: 1 :3.
16. A composition according to any preceding claim, wherein the compound of formula 1 is dimethyl lactamide and the agrochemical is 3-difluoromethyl-l- methyl-lH- pyrazole-4-carboxylic acid(9-isopropyl-l, 2, 3,4-tetrahydro-l,4- methano-naphthalen-5-yl)-amide (shown in Figure 2).
Figure imgf000020_0001
FIG. 2
17. A composition according to the preceding claim, comprising 5 to 95 % DML, 0.5 to 50 % 3-difluoromethyl-l -methyl- IH- pyrazole-4-carboxylic acid(9-isopropyl- l,2,3,4-tetrahydro-l,4-methano-naphthalen-5-yl)-amide (Figure 2) and 5 to 95 % solvent selected from the group consisting of the solvents of claim 4.
18. A composition according to claim 17, wherein the solvent is selected from the group consisting of Solvesso 200ND, dipropylene glycol monobutyl ether, dipropylene glycol diacetate, methyl benzoate, benzyl benzoate, dimethyl decanoamide, dipropylene glycol monomethyl ether and butyl benzoate.
19. A composition according to any preceding claim, when formulated as an emulsion concentrate (EC).
20. A method of making a composition according to any preceding claim, comprising admixing a compound of formula 1 according to claim 1 with an biologically active agent according to claim 1.
21. A method of controlling an agricultural pest comprising application to the pest or to a surface on which it is capable of being present of an pesticidally effective amount of a composition according to any one of claims 1 to 19.
22. A method according to the preceding claim, wherein the pest is a fungus and the agrochemical is a fungicide.
23. A method according to the preceding claim, wherein the fungicide has the structure shown in Figure 2 (3-difluoromethyl-l-methyl-lH- pyrazole-4- carboxylic acid(9-isopropyl-l,2,3,4-tetrahydro-l,4-methano-naphthalen-5-yl)- amide)
Figure imgf000021_0001
FIG. 2
24. Use of a composition according of any one of claims 1 to 19 to control a plant pest.
25. Use according to the preceding claim, wherein the pest is a phytopathogenic fungus, the compound of formula 1 is dimethyl lactamide, the agrochemical has the structure of Figure 2 and the composition comprises a solvent selected from the group consisting of Solvesso 200ND, dipropylene glycol monobutyl ether or dipropylene glycol diacetate, methyl benzoate, benzyl benzoate, dimethyl decanoamide, dipropylene glycol monomethyl ether and butyl benzoate.
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