GB2449746A - Control of Insect and Acarid Infestation of Animals - Google Patents
Control of Insect and Acarid Infestation of Animals Download PDFInfo
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- GB2449746A GB2449746A GB0809203A GB0809203A GB2449746A GB 2449746 A GB2449746 A GB 2449746A GB 0809203 A GB0809203 A GB 0809203A GB 0809203 A GB0809203 A GB 0809203A GB 2449746 A GB2449746 A GB 2449746A
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- 241000238631 Hexapoda Species 0.000 title claims abstract description 7
- 241001465754 Metazoa Species 0.000 title claims description 8
- 206010061217 Infestation Diseases 0.000 title claims description 5
- 239000000203 mixture Substances 0.000 claims abstract description 80
- -1 glycol ethers Chemical class 0.000 claims abstract description 28
- 150000007524 organic acids Chemical class 0.000 claims abstract description 12
- 239000003960 organic solvent Substances 0.000 claims abstract description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 10
- 239000001257 hydrogen Substances 0.000 claims abstract description 10
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 10
- 239000004094 surface-active agent Substances 0.000 claims abstract description 10
- 235000005985 organic acids Nutrition 0.000 claims abstract description 9
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims abstract description 8
- 150000001241 acetals Chemical class 0.000 claims abstract description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 8
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 150000001735 carboxylic acids Chemical class 0.000 claims abstract description 7
- 150000001991 dicarboxylic acids Chemical class 0.000 claims abstract description 7
- 229920005862 polyol Polymers 0.000 claims abstract description 7
- 150000003077 polyols Chemical class 0.000 claims abstract description 7
- 125000005913 (C3-C6) cycloalkyl group Chemical group 0.000 claims abstract description 6
- 125000000882 C2-C6 alkenyl group Chemical group 0.000 claims abstract description 4
- 125000003601 C2-C6 alkynyl group Chemical group 0.000 claims abstract description 4
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 claims abstract description 3
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims abstract description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 27
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 27
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 18
- PKTIFYGCWCQRSX-UHFFFAOYSA-N 4,6-diamino-2-(cyclopropylamino)pyrimidine-5-carbonitrile Chemical compound NC1=C(C#N)C(N)=NC(NC2CC2)=N1 PKTIFYGCWCQRSX-UHFFFAOYSA-N 0.000 claims description 13
- 229940074076 glycerol formal Drugs 0.000 claims description 10
- 235000011054 acetic acid Nutrition 0.000 claims description 9
- 239000004310 lactic acid Substances 0.000 claims description 9
- 235000014655 lactic acid Nutrition 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical compound OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 claims description 6
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 4
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 4
- NJPQAIBZIHNJDO-UHFFFAOYSA-N 1-dodecylpyrrolidin-2-one Chemical compound CCCCCCCCCCCCN1CCCC1=O NJPQAIBZIHNJDO-UHFFFAOYSA-N 0.000 claims description 2
- LIPRQQHINVWJCH-UHFFFAOYSA-N 1-ethoxypropan-2-yl acetate Chemical compound CCOCC(C)OC(C)=O LIPRQQHINVWJCH-UHFFFAOYSA-N 0.000 claims description 2
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 2
- NQBXSWAWVZHKBZ-UHFFFAOYSA-N 2-butoxyethyl acetate Chemical compound CCCCOCCOC(C)=O NQBXSWAWVZHKBZ-UHFFFAOYSA-N 0.000 claims description 2
- QCAHUFWKIQLBNB-UHFFFAOYSA-N 3-(3-methoxypropoxy)propan-1-ol Chemical compound COCCCOCCCO QCAHUFWKIQLBNB-UHFFFAOYSA-N 0.000 claims description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 2
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 2
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- 235000019253 formic acid Nutrition 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 235000019260 propionic acid Nutrition 0.000 claims description 2
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 2
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 claims 1
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims 1
- 125000000217 alkyl group Chemical group 0.000 claims 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 claims 1
- 239000003630 growth substance Substances 0.000 abstract description 2
- 238000003556 assay Methods 0.000 description 22
- 239000000126 substance Substances 0.000 description 21
- 238000009472 formulation Methods 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000000338 in vitro Methods 0.000 description 10
- 230000004083 survival effect Effects 0.000 description 9
- 230000001418 larval effect Effects 0.000 description 6
- 210000002966 serum Anatomy 0.000 description 5
- 239000002904 solvent Substances 0.000 description 4
- 239000004546 suspension concentrate Substances 0.000 description 4
- 239000004563 wettable powder Substances 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000004587 chromatography analysis Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- SEEPANYCNGTZFQ-UHFFFAOYSA-N sulfadiazine Chemical compound C1=CC(N)=CC=C1S(=O)(=O)NC1=NC=CC=N1 SEEPANYCNGTZFQ-UHFFFAOYSA-N 0.000 description 3
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- 241000257166 Lucilia cuprina Species 0.000 description 2
- 241000282376 Panthera tigris Species 0.000 description 2
- 229920001214 Polysorbate 60 Polymers 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000013011 aqueous formulation Substances 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000000974 larvacidal effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000000244 polyoxyethylene sorbitan monooleate Substances 0.000 description 1
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 1
- 239000001818 polyoxyethylene sorbitan monostearate Substances 0.000 description 1
- 235000010989 polyoxyethylene sorbitan monostearate Nutrition 0.000 description 1
- 229940113124 polysorbate 60 Drugs 0.000 description 1
- 229920000053 polysorbate 80 Polymers 0.000 description 1
- 229940068968 polysorbate 80 Drugs 0.000 description 1
- 239000004540 pour-on Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 238000011200 topical administration Methods 0.000 description 1
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
- 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
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Wood Science & Technology (AREA)
- Dentistry (AREA)
- Engineering & Computer Science (AREA)
- Plant Pathology (AREA)
- Pest Control & Pesticides (AREA)
- Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Medicinal Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Pharmacology & Pharmacy (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
A composition comprising an effective amount of an insect growth regulator (IGR) of formula (I) : <EMI ID=1.1 HE=44 WI=59 LX=833 LY=958 TI=CF> <PC>wherein, R1 is hydrogen, C1-C6 alkyl, C2-C6 alkenyl or C2-C6 alkynyl, R2 is hydrogen, C1-C10 alkyl or C3-C6 cycloalkyl, or a radical selected from the group consisting of -(CH2)2CH3, -(CH2)3CH3 and -(CH2) 4CH3, and R3 is a radical selected from the group consisting of -NH2 and NH-CO-H. The IGR is solubilised in a composition consisting (i) one or more organic solvents selected from the group consisting of polyols, glycol ethers, glycerol ether acetates, C1-C8 alkyl pyrrolidones, and acetal, (ii) one or more organic acids selected from the group consisting of C1-C6 carboxylic acids and C2-C6 dicarboxylic acids and optionally (iii) one or more surfactants.
Description
Pesticide Composition
Related Applications
This application claims priority form Australian Patent No. 2007202548, filed on 1 June 2007, the content of which is incorporated herein by reference.
Technical Field
This invention relates to insect growth regulator (IGR) compositions for external use in the prevention and control of insect and acarid infestations of animals and in particular to diazine IGR compositions.
Background
The diazine IGR's of low water solubility are generally provided as a wettable powder, a suspension concentrate or a dilute aqueous solution. The wettable powder has the disadvantage that it is dusty and therefore poses a hazard to persons handling the product at the time of manufacture or at the time of application. The suspension concentrate suffers from sedimentation and caking during storage and requires vigorous shaking of the product before use. Uniformity of dosing can be adversely affected by insufficient shaking prior to use or during prolonged continuous use, resulting in under-or overdosing. The suspension concentrate may also increase in viscosity at low temperatures requiring more force to dispense through a drenching gun thus causing difficulty in dispensing. The wettable powder and suspension concentrate are generally diluted with water prior to use.
The dilute aqueous solution, on the other hand, is generally used without further dilution. The dilute aqueous formulations have a low active content and contain a large amount of water. As a result, transportation of the product to an end user may be cumbersome and costly.
spec.doc
Summary of the invention
It is desirable to provide a formulation that can support a high concentration of a diazine IGR in solution, a formulation which may be diluted with water as required and may be applied topically.
Accordingly, in a first aspect, the present invention provides a composition comprising an effective amount of an IGR of formula (I) H2N NC/N( where in R1 is hydrogen, C1-C6 alkyl, C2-C6 alkenyl or C2-C6 alkynyl, R2 is hydrogen, C1-C10 alkyl or C3-C6 cycloalkyl, or a radical selected from the group consisting of -(CH2)2CH3, -(CH2)3CH3 and -(CH2)4CH3, and R3 is a radical selected from the group consisting of NH2 and -NH-CO-H; one or more organic solvents selected from the group consisting of polyols, glycol ethers, glycerol ether acetates, C1-C8 alkyl pyrrolidones, acetal and mixtures thereof; one or more organic acids selected group consisting of C1-C6 carboxylic acids, C2-C6 dicarboxylic acids and mixtures thereof; and optionally one or more surf actants.
In the composition of the present invention, the IGR of formula (I) is solubilised thus avoiding the problems of a wettable powder or suspension as discussed above.
spec.doc The composition may be used neat or diluted with water prior to use.
Accordingly, in a second aspect, the invention provides a method of preventing or controlling insect and acarid infestations of a warm blooded animal, the method comprising topically administering to the animal a composition comprising an effective amount of an IGR of formula (I) (as defined above); one or more organic solvents selected from the group consisting of polyols, glycol ethers, glycerol ether acetates, C1- C9 alkyl pyrrolidones, acetal and mixtures thereof; one or more organic acids selected group consisting of C1-C6 carboxylic acids, C2-C6 dicarboxylic acids and mixtures thereof; and optionally one or more surfactants, wherein said method optionally comprises diluting the composition with water prior to topically administering to the animal.
In a third aspect, the present invention is directed to use of an effective amount of an IGR of formula (I) (as defined above) which is solubilised in a composition which consists essentially of: one or more organic solvents selected from the group consisting of polyols, glycol ethers, glycerol ether acetates, C1-C8 alkyl pyrrolidones, acetal and mixtures thereof; one or more organic acids selected group consisting of C1-C6 carboxylic acids, C2-C6 dicarboxylic acids and mixtures thereof; and optionally, one or more surfactants, in the preparation of a composition for preventing or controlling insect and acarid infestations of a warm blooded non human animal.
Detailed Description
Throughout this specification the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element, integer or step, or group of elements, integers or steps, spec.doc but not the exclusion of any other element, integer or step, or group of elements, integers or steps.
Throughout this specification, the term "consisting essentially of" is intended to exclude elements which would materially affect the properties of the claimed composition.
More preferably, in formula (I), R1 is hydrogen, R2 is C3-C6 cycloalkyl and R3 is -NH2. The most preferred IGR is 4, 6-diamirio-2 -cyc].opropylaminopyrimidjne-5 -carbonitrile (dicyclanil) Dicyclanil may be included in the composition of the present invention in a concentration of up to 400g/L. The composition is suitable for topical administration to an animal, for example as a dip, a pour-on, a spray-on or a jetting formulation. The composition may be diluted with water prior to use and the level of dilution will vary with the initial concentration of dicyclanhl and the selected method of application. The dicyclanil may be included in the composition of the invention in an amount of from lOg/L to 400g/L, preferably an amount of from lOOg/L to 300g/L.
The one or more organic solvents included in the composition are selected from the group consisting of polyols, glycol ethers, glycerol ether acetates, C1-C8 alkyl pyrrolidones, acetal and mixtures thereof. Suitable polyols include but are not limited to propylene glycol, glycerol and polyethylene glycol. Suitable glycol ethers include but are not limited to dipropylene glycol monomethylether, butyl icinol and butyl di icinol.
Suitable glycerol ether acetates include but are not limited to ethylene glycol monobutylether acetate and propylene glycol monoethyl ether acetate. Suitable C1-C8 alkyl pyrrolidones include but are not limited to N-methyl pyrrolidone, l-octyl-2 pyrrolidinone and lauryl pyrrolidone. Suitable acetal include but are not limited to glycerol formal and tetraglycol. Preferably the organic spec.doc solvents are selected from one or more of glycerol formal, tetraglycol and propylene glycol. More preferably, the solvent is a mixture of propylene glycol with glycerol formal or tetraglycol.
The total concentration of the solvent may be in the range of from 200 to 900g/L, preferably from 300 to 600g/L.
One or more organic acids are included in the composition of the invention selected from the group consisting of C1-C6 carboxylic acids, C2-C6 dicarboxylic acids and mixtures thereof. Suitable organic acids include but are not limited to formic acid, acetic acid, lactic acid, propionic acid, caproic acid ethandioic acid, hexanedjoic acid and mixtures thereof. Preferred are lactic acid and acetic acid and most preferred is lactic acid.
The acid may be included in a concentration in the range of from 10 to 300g/L, preferably 100 to 200g/L.
The composition optionally contains one or more surfactants. The one or more surfactants may be selected from nonionic surfactants such as C9-C10 alkyiphenyl ethoxylates such as ethoxylated nonyiphenyl and ethoxylated octyiphenyl, sorbitan fatty acid ester ethoxylates such as polyoxyethylene sorbitan fatty acid esters.
The C8-C10 a].kyl phenyl ethoxylates preferably contain from 2 to 100 moles of ethylene oxide and may be selected from the commercially available Teric series products such as those identified as Teric N9 and Teric X8. The sorbitan fatty acid ester ethoxylates preferably contain from 4 to 20 moles of ethylene oxide and may be selected from polysorbate 60 and polysorbate 80.
Preferably the surf actant is present in the composition at a concentration in the range of from 10 to 200gfL, more preferably in the range of from 30 to lOOg/L.
spec.doc Veterinarily acceptable excipients and adjuvants may be included in the composition such as colour, thickening agent, anti foaming agent and preservative.
Brief Description of the Drawings
Figure la shows dose (ppm) against larvae survival numbers for a composition of the present invention (RD183) for assay 1 of in vitro tests as described in example 5 below.
Figure lb shows dose (ppm) against larvae survival numbers for a composition of the present invention (RD184) for assay 1 of in vitro tests as described in example 5 below.
Figure lc shows dose (ppm) against larvae survival numbers for a comparative composition not of the present invention for assay 1 of in vitro tests as described in
example 5 below.
Figure 2a shows dose (ppm) against larvae survival numbers for a composition of the present invention (RD1B3) for assay 2 of in vitro tests as described in example 5 below.
Figure 2b shows dose (ppm) against larvae survival numbers for a composition of the present invention (RD1S4) for assay 2 of in vitro tests as described in example 5 below.
Figure 2c shows dose (ppm) against larvae survival numbers for a comparative composition not of the present invention for assay 2 of in vitro tests as described in
example 5 below.
Figure 3a shows dose (ppm) against percent larval mortality for a composition of the present invention (RD183) for assay 2 of in vitro tests as described in
example 5 below.
Figure 3b shows dose (ppm) against percent larval mortality for a composition of the present invention spec.doc (RD184) for assay 2 of in vitro tests as described in
example 5 below.
Figure 3c shows dose (ppm) against percent larval mortality for a comparative composition not of the present invention for assay 2 of in vitro tests as described in
example 5 below.
Examples
In order to better understand the nature of this iol invention a number of examples will be described.
Example].
__________________ Quantity Supplier Dicyclanil 250 g/L Tiger Chemicals Teric N9 45 g/L Id Acetic Acid 200 g/L Sigma Chemicals Tetraglycol 300 g/L Tiger Chemicals Propylene glycol q.s. to]. L Pacific Resource
Example 2
__________________ Quantity Supplier Dicyclani]. 50 g/L Tiger Chemicals Teric N9 50 g/L ICI Acetic Acid 50 g/L Sigma Chemicals Glycerol Formal 500 g/L Tiger Chemicals Lactic Acid 100 g/L Sigma Chemicals Propylene glycol q.s. to 1 L Pacific Resource
Example 3
___________________ Quantity Supplier Dicyclanil 100 gIL Tiger Chemicals Teric N9 50 g/L Id Acetic Acid 50 g/L Sigma Chemicals Glycerol Formal 300 g/L Tiger Chemicals Lactic Acid 100 g/L Sigma Chemicals Propylene glycol 100 g/L Pacific Resource Water q.s. to 1 L _________________ spec.doc
Example 4
___________________ Quantity Supplier Dicyclanil 100 gIL Tiger Chemicals Teric N9 50 g/L Id Acetic Acid 50 gIL Sigma Chemicals Glycerol Formal 200 g/L Tiger Chemicals Lactic Acid 100 g/L Sigma Chemicals N-methylpyrrolidone 200 g/L Pacific Resource Water q.s. to 1 L ________________ The formulations of Example 1-4 were prepared by dissolving dicyclanil in a mixture of the surf actant, organic solvent and acid followed by high speed mixing until uniform. Where applicable, the final volume is made up with water.
Example 5
The relative activity of three dicyclanil formulations was assessed against 1st instar Lucilia cuprina larvae using an in vitro chromatography paper test system. The study compared two formulations of the present invention RD183 and RD184 described below, with a reference formulation labelled as formulation RD185.
RD183 Quantity Supplier Dicyclanil 50 g/L Tiger Chemicals Teric X 15 g/L Id Acetic Acid 150 gIL Sigma Chemicals Glycerol Formal 200 g/L Tiger Chemicals Water g.s. to 1 L _________________ spec.doc RD184 Quantity Supplier Dicyclanil 50 g/L Tiger Chemicals Teric X 15 g/L Id Propylene Glycol 50 g/L Pacific Resource Glycerol Formal 20 g/L Tiger Chemicals Lactic Acid 150 g/L Sigma Chemicals N-methylpyrrolidone 20 g/L Pacific Resource Water q.s. to 1 L ________________ Reference formulation RD185 dicyclanil suspension -50g/L dicyclanil Method Each experimental formulation was dissolved in acetone and mixed in blood serum to give the desired range of test concentrations. The concentrations used in the assays are shown in Figures 1 and 2. Dilutions in serum were prepared the day before commencement of the assay and allowed to sit in a fumehood overnight to allow the solvent to evaporate. A method approximately similar to that described by Roxburgh and Shanahan (1973) (Bull. Ent.
Res. 63:99) was used. Chromatography paper cut to 12cm x 3cm strips was rolled, inserted into 5cm x 1.5cm diameter flat bottom glass vials and a imi aliquot of the test concentration in serum added to each vial. There were three replicates for each test concentration for each test formulation.
Approximately 30 freshly emerged 1st instar Lucilia cuprina larvae were added to the top of the chromatography paper and the vials covered with a filter paper top held in place with an elastic band. The vials were held in darkness at 280C and larval survival assessed at 48 h. In assay 1 (Figures la, b, C), no extra serum was added. In assay 2 (Figures 2a, b, C), an extra 1m1 aliquot of the appropriate serum/test compound was added after spec.doc 24h. The number of live and dead larvae was recorded and compared to the controls.
Results and interpretation Results for assay 1 (Figs la,b,c) provided a preliminary indication of larval survival, and subsequently supported in assay 2 (Figs 2a,b,c), of the approximate concentration range of activity of the different formulations.
In assay 1, no larvae survived at concentrations above 0.O2ppm for RD183. For RD184, 5 larvae survived at 0. O4ppm but none at 0. l6ppm. There was one larva alive at 0.64ppm. For RD185, there were 26 larvae alive at 0.O4ppm, but none at any concentrations above that (Figs la, b and c).
In assay 2, a restricted range of concentrations between 0.01 and 2.56 ppm was used. Larval survival is plotted for this assay to enable easy comparison with the results of assay 1 (Figs 2 a, b and c), but percent mortality for the three formulations is also presented (Fig 3 a, b, and C).
Assay 2 provided comparable results to assay 1 with no larvae surviving above 0.02 ppm for RD183 and RD1B4 (100% mortality), but 60 larvae surviving at this concentration for formulation RD185 (46% mortality). No larvae survived at the next highest test concentration (0.O8ppm) for RD 185.
It is a surprising that formulations RD183 and RD184 of the present invention were more larvacidal than reference formulation RD185 in this assay system.
It will be appreciated by persons skilled in the art that numerous variations and/or modifications may be made to the invention as shown in the specific embodiments without departing from the spirit or scope of the invention as broadly described. The present embodiments spec.doc are, therefore, to be considered in all respects as illustrative and not restrictive.
spec.doc
Claims (12)
- CLAIMS: 1. A composition comprising: an effective amount of an IGR offormula (I):NCNwhere in R1 is hydrogen, C1-C6 alicyl, C2-C6 alkenyl or C2-C6 alkynyl, R2 is hydrogen, C1-C0 alkyl or C3-C6 cycloalkyl, or a radical selected from the group consisting of -(CH2) 2CH3, -(CH2) 3CH3 and -(CH2) 4CH3 and R3 is a radical selected from the group consisting of -NH2 and -NH-CO-H; solubilised in a composition consisting essentially of one or more organic solvents selected from the group consisting of polyois, glycol ethers, glycerol ether acetates, C1-C8 alkyl pyrrolidones, acetal and mixtures thereof; one or more organic acids selected from the group consisting of C1-C6 carboxylic acids, C2-C6 dicarboxylic acids and mixtures thereof; and optionally one or more surfactants.
- 2. A composition according to claim 1 wherein in the IGR of formula (I), R1 is hydrogen, R2 is C3-C6 cycloalkyl and R3 is -NH2.
- 3. A composition according to claim 1 wherein the IGR of formula (I) is dicyclanil.spec.doc
- 4. A composition according to any one of claims 1 to 3, wherein the one or more organic solvents is selected from the group consisting of propylene glycol, glycerol, polyethylene glycol, dipropylene glycol monomethylether, butyl icinol, butyl diicinol, ethylene glycol monobutylether acetate, propylene glycol monoethyl ether acetate, Nmethyl pyrrolidone, l-octyl-2 pyrrolidinone, lauryl pyrrolidone, glycerol formal, tetraglycol and mixtures thereof.
- 5. A composition according to any one of claims 1 to 4 wherein the one or more organic acids is selected from the group consisting of formic acid, acetic acid, lactic acid, propionic acid, caproic acid, ethandioic acid, hexandioic acid and mixtures thereof.
- 6. A composition according to any one of the preceding claims wherein the at least one organic solvent is included in an amount of from 200 to 900g/L.
- 7. A composition according to claim 6 wherein the organic solvent is included in an amount of from 300 to 600g/L.
- 8. A composition according to any one of the preceding claims wherein the organic solvent is selected from one or more of glycerol formal, tetraglycol and propylene glycol.
- 9. A composition according to any one of the preceding claims wherein the at least one organic acid is included in an amount of from 10 to 300g/L.
- 10. A composition according to claim 9 wherein the organic acid is included in an amount of from 100 to 200g/L.spec.doc
- 11. A composition according to any one of the preceding claims wherein the organic acid is selected from lactic acid, acetic acid and mixtures thereof.
- 12. A composition comprising: an effective amount of an IGR of formula (I): H2N NC/N( where in R1 is hydrogen, C1-C6 alkyl, C2-C6 alkenyl or C2-C6 alkynyl, R2 is hydrogen, C1-C10 alkyl or C3-C6 cycloalkyl, or a radical selected from the group consisting of -(CH2) 2CH3, -(CH2)3CH3 and -(CH2)4CH3 and R3 is a radical selected from the group consisting of -NH2 and -NH-CO-H; solubilised in a composition consisting essentially of one or more organic solvents selected from the group consisting of polyols, glycol ethers, glycerol ether acetates, C1-C8 alkyl pyrro].idones, acetal and mixtures thereof; one or more organic acids selected group consisting of C1-C6 carboxylic acids, C2-C6 dicarboxylic acids and mixtures thereof; and optionally one or more surf actants, for use in a method of preventing or controlling insect and acarid infestations of a warm blooded animal, the method comprising topically administering the composition to the animal.spec.doc
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CN102612360A (en) * | 2009-09-21 | 2012-07-25 | 梅里亚有限公司 | Dicyclanil-based aqueous suspension and non-aqueous solution pour-on and spray on formulations for the prevention and treatment of insect infestation in animal |
CN104996453A (en) * | 2012-05-18 | 2015-10-28 | 陕西汤普森生物科技有限公司 | Insecticidal composition comprising dicyclanil |
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EP2262368A1 (en) * | 2008-03-28 | 2010-12-22 | Novartis AG | Dicyclanil formulation |
CN102379288B (en) * | 2011-10-26 | 2014-04-09 | 广东中迅农科股份有限公司 | Pesticide composition containing dicyclanil and spinosad |
CN103416430B (en) * | 2012-05-24 | 2016-01-13 | 陕西汤普森生物科技有限公司 | A kind of composition pesticide |
PL239600B1 (en) * | 2018-09-20 | 2021-12-20 | Icb Pharma Tomasz Swietoslawski Pawel Swietoslawski Spolka Jawna | New dicyclanil salt, method for obtaining such salt, compositions containing such salt, and use of such salt to combat and control parasites, and in particular fly larvae |
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AU2006100580B4 (en) * | 2006-07-12 | 2006-12-14 | Jurox Pty Ltd | Pesticide composition |
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JPH0727349B2 (en) * | 1985-07-01 | 1995-03-29 | 株式会社日立製作所 | Multi-window display control method |
CO5040011A1 (en) * | 1997-11-14 | 2001-05-29 | Novartis Ag | COMPOSITION FOR THE CONTROL OF INSECTS AND / OR MEMBERS OF THE ACARINE ORDER THAT INCLUDES A MIXTURE OF ABAMECTINE A AND DIAFENTIURON |
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US4783468A (en) * | 1986-04-30 | 1988-11-08 | Ciba-Geigy Corporation | Insecticidal 5-pyrimidine carbonitriles |
US20050288259A1 (en) * | 2002-11-14 | 2005-12-29 | Hosking Barry C | Composition |
AU2006100580B4 (en) * | 2006-07-12 | 2006-12-14 | Jurox Pty Ltd | Pesticide composition |
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CN102612360A (en) * | 2009-09-21 | 2012-07-25 | 梅里亚有限公司 | Dicyclanil-based aqueous suspension and non-aqueous solution pour-on and spray on formulations for the prevention and treatment of insect infestation in animal |
CN104996453A (en) * | 2012-05-18 | 2015-10-28 | 陕西汤普森生物科技有限公司 | Insecticidal composition comprising dicyclanil |
CN104996453B (en) * | 2012-05-18 | 2018-06-26 | 陕西汤普森生物科技有限公司 | A kind of Pesticidal combination containing CGA 183893 |
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