• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Improved rodenticidal compositions comprise an edible carrier and a rodenticidally effective amount of an isomer of a 3-substituted-4-hydroxycoumarin capable of existing in more than one stable isomeric form characterised in that the isomer is one which when compared with any other isomer or isomers is significantly less persistently retained in the tissues of non-rodent mammalian or avian species likely to consume either rodenticidal bait formulations or poisoned rodent carcasses the compositions being substantially free of the other isomer or isomers.
    公开号:SU1748627A3
    申请号:SU843829112
    申请日:1984-12-13
    公开日:1992-07-15
    发明作者:Свейн Гарри
    申请人:Империал Кемикал Индастриз Плс (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to agriculture and can be used for rodent control.
    The aim of the invention is to reduce the toxicity of the composition for other species.
    Example 1. Preparation of cis and trans isomers (active ingredient) from brodifacoum.
    Brodifacum technical brand (analysis by adsorption liquid
    high pressure chromatography shows the degree of cis-ota 99, ω% and the content of 58.3% cis-isomer and M, 0% trans-isomer) is divided into cis-and trans components by preparative high pressure liquid chromatography using apparatus for Water Associates liquid chromatography (systems 500 with a PAK-500 column containing silica gel (80 m) adsorbent and with a mobile phase,
    2
    00
    o you
    Xi

    SLE
    consisting of bQ-60 ° C white alcohol, diethyl ether and glacial acetic acid in a ratio of 70: 30: 0, 1) The residue from each collected fraction is further purified by preparative high pressure liquid chromatography using the same mobile phase. The solvent is removed from the last two fractions, and as the analysis of the latter shows using the 10 MHz spectrum of proton nuclear magnetic resonance, they contain cis and trans isomers, each of which contains almost no other isomer.
    PRI mme R 2. Getting trans - and CIS-isomerao
    I,
    A mixture containing (about 1: .1) cis- and trans-isomers of 1- (4-hydroxycoumarin-3-yl) -3-P4 (trifluoromethylbenzyloxy) -phenyl -1,2,3, -tetrahydronaphthalene in viscous matter (13.0 g) is dissolved in ethanol (250 cm3) at room temperature, the solution is kept in an open flask at room temperature for 3 days, during which some of the ethanol evaporates and some solid precipitates. . This solid is recovered by filtration and dried, resulting in a trans-1- (A-ca-simarin-3-yl) -3-p (-trifluoromethylbenzyloxy) Lenil -1,2,3, A-tetrahydronaphthalene ( with a content of 7 wt. cis isomer, 1.3 g) with a melting point
    153 - 155 ° С. Concentrated filtrate
    It is reacted by removal of ethanol by evaporation under reduced pressure. The residual oil is then dissolved in boiling ethanol (100 cm3), the solution is cooled to 35 ° C and maintained at this temperature at the same time as the rapid formation of a precipitate. This precipitate is recovered by filtration and dried, and the result is cis-1 - (- hydroxycoumarin-3-yl-3-C -triftormethylbenzyloxy) phenyl 3 1,2,3, - tetrahydronaslamine (with a content of 5 wt.% Trans. isomer 5.5 g), With a boiling point of 183 - 184.5 C.
    The precipitate obtained from the filtrate was eluted through a silica column (using chloroform as eluent), as a result
    Q
    0
    50 .
    0

    a product (3.3 g) containing 85% of the trans isomer and 15% of the cis isomer is obtained.
    PRI me R 3. Rodenticidal efficacy of a composition containing isomers C and D and isomers AB of brodifacoum is given.
    Composition I:
    HCC- (M-bromobiphenyl-A-yl) -1H-C - hydroxycoumarin-3-yl) -1 Z. tetra-hydro-hydro-naphthalene (isomer C);
    3S- (4-bromobiphenyl-4-yl) -18- (4-hydroxycoumarin-3-yl) 1,2,3, -tet-rahydronaphthalene (isomer D).
    Wheat.
    Composition II;
    3R- (4-bromobiphenyl-yl) -1S- (- hydroxycoumarin-3-yl) -1,2,3, -tetrahydronaphthalene (isomer A)
    35- (4-bromobiphenyl-yl) -1K - (- hydroxycoumarin-3-yl) -1,2,3,4-tetrahydronoltal H (isomer B),
    HCC- (4-bromobiphenyl-A-yl) -Sh - (- hydroxycoumarin-3-yl) -1,2,3, -tetra-hydronaphthalene (isomer C)
    38- (G-bromobenyl-4-yl) (4- | hydroxycoumarin-3-yl) 1,2,3, -tetrahydronLthalin (isomer D).
    Wheat.
    Each of the compositions was fed to the rodents in the form of a granule. The amount of active ingredient in each pellet was the same for each composition and each group of rodents received the same food rate.
    Table 1 presents data on the effects of compositions I and II on various species of rodents.
    The toxicity of composition I containing isomers C and D for a white Norwegian rat was 0.30 mg / kg (0.24 OJ4), the time of death (average 7 days) was 6.6 ± 1.8; compositions II with the content of isomers ABCD - respectively LV5 0.31 mg / kg (0.27 - 0.36), 6.5 t 1.3; for the field mouse, 0.26 mg / kg (0.12-0.39), 0.18 (0, South 0.25) and 6.7, respectively; 7.3 days
    An example is shown of the selective elimination of the active ingredient of the compositions of the invention for a mouse vole.
    Hungry vole mice were given. wheat tablets containing 10 hours per million mixture (approximately 1: 1: 1: 1 by weight) of the isomers A, B, C and D of brodichacum until they received 0.5 mg of active ingredient per kg of live weight.
    Isomer A: 3R - (- Bromobiphenyl-yl) 1S- (A-hydroxycoumarin-3-yl) - 2.3 tetrahydronaphthalene,
    Isomer B: -bromobiphenyl-yl) -Sh- (4-hydroxycoumarin-3-yl) -1, 2,3, -tetra hydronaphthalene.
    Isomer C: -bromobiphenyl- - yl) -1K - (- hydroxycoumarin-3-yl) -1, 2,3, D-tetrahydronaphthalene.
    g%
    Isomer D: 3S- (V-bromobiphenyl-yl) -18- (hydroxycoumarin-3-yl) -1, 2,3, -tetra hydronaphthalene.
    Mice were euthanized on 0,1,2,3, 5 and a day after the dose was administered, and the relative content of a pair of isomers of AviCiBiv in vole tissues was determined by chromatography.
    The results are shown below in Table 2. They demonstrate the rapid elimination of C and D, while the pair of isomers A and B remain in the tissues. The half-life of a pair of isomers C and D is estimated at 2k hours, while this value for a pair of A and B samples exceeds k days.
    ExampleB Prescription composition of compositions with the content of the active substance and filler, represented by various products and substances 0
    Recipe bait 1 contains, wt%: active ingredient 0.005; chlorinated phenols (preservative) 0.005; synthetic paraffin (hydrophobic substance) 5,0; protein hydrolyzate (rodent attractant) 2.5; powdered chalk 4,5; polyethylene glycol (moisture retaining agent) 0.5; Berlin azure (visible coloring) 0,225; wheat flour to 100.
    Bait 2 is prepared by mixing the oatmeal with the brodifacoume acetone suspension, followed by air-drying the mixture, an additional portion of the oatmeal, and it contains 100 ppm by weight ((0.01%) of the active ingredient.
    The composition can be used in powder form or compressed into granules (grains).
    PRI me R 6. The bait concentrates that are subject to dilution with edible before use, after which the content of the active ingredient is the required amount according to the invention.
    Lure 3 contains, wt%: active ingredient 0.1; mineral oil 10.0; kaolin to 100.
    权利要求:
    Claims (1)
    [1]
    Bait k contains, wt%: active ingredient 0.25; vegetable oil up to 100. The formula of the invention
    A rodenticide composition comprising an active substance based on a 3-substituted-A-hydroxy-marin and a filler, characterized in that, in order to reduce its toxicity to other animal species, as an active substance based on 3-substituted hydroxycoumarin using enantiomer pairs of 3R-C isomers bromobiphenyl-A-yl) -1R - (- hydroxy-coumarin-3-yl) -1,2,3, -tetrahydronaphthalene with 3S-Ci-bromobiphenyl-A-yl) 1S- C-hydroxycoumarin-3-yl) -1,2,3, A-tetrahydronaphthalene in the following ratio, wt.%: The specified AK active substance 0,005 - 0,1; filler -99,9 - 99,995.
    Table 1
    Dick Norwegian rat (Rattus nor wegicus)
    Cotton rat (Sigmodon hispio- lus) Ground on squirrel (Spermohilus (litelles) trick ecemlitUiatus |
    Earth on the Richardson squirrel (Spermophilus (litelles) jichardsoni
    Rats
    I (rattus rattus)
    Deer mouse (Petonysaus mani- culatus)
    Isomers
    The number of pairs of isomers isolated from the tissues, after the introduction of a dose, - days
    ABOUT
    Ipptpe
    1/1 8/8
    8/1 3/4
    5.5 ± 1.7 4.842.2
    8 ± 1.6 7.3Ј4.2
    1, 26 6/1 21/3
    1.2 ± 1.9 14

    6.3f2.4 6.7 ± 1.6
    5.9 ± 1 6, OiO, 7
    8.1 + 1.8 6.5 ± 3.3
    Table 2
    类似技术:
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    US2776239A|1957-01-01|Piperonylidene tetrahydrofuranone
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    EP0474486B1|1996-02-28|Attractant compositions for fall webworm
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    US3127310A|1964-03-31|Novel feeding-deterrent compositions
    SU549126A1|1977-03-05|Sexual attractant
    同族专利:
    公开号 | 公开日
    PT79665B|1987-03-27|
    ZW18984A1|1986-07-09|
    ZA849291B|1985-07-31|
    CU21700A3|1991-07-15|
    GR81141B|1984-12-18|
    GB8333334D0|1984-01-18|
    HK98390A|1990-11-30|
    IE58628B1|1993-10-20|
    OA07893A|1986-11-20|
    EP0147052A3|1985-08-07|
    EP0147052B1|1992-09-09|
    AT80258T|1992-09-15|
    LTIP869A|1995-03-27|
    DK601384D0|1984-12-14|
    CS249532B2|1987-03-12|
    UA12646A|1997-02-28|
    DK601384A|1985-06-15|
    DE3485917D1|1992-10-15|
    PH21381A|1987-10-15|
    KR850004375A|1985-07-15|
    KR920006797B1|1992-08-20|
    ES538625A0|1985-09-16|
    LT3729B|1996-02-26|
    IL73781A|1989-10-31|
    GB2152375A|1985-08-07|
    HU196108B|1988-10-28|
    BE901269A|1985-06-13|
    CA1253797A|1989-05-09|
    JPS60197604A|1985-10-07|
    DK171165B1|1996-07-15|
    US4783481A|1988-11-08|
    AU3605584A|1985-06-20|
    GB8429276D0|1984-12-27|
    GB2152375B|1987-06-10|
    ES8507319A1|1985-09-16|
    PT79665A|1985-01-01|
    IL73781D0|1985-03-31|
    EP0147052A2|1985-07-03|
    NZ210336A|1987-05-29|
    AU578051B2|1988-10-13|
    JPH0542402B2|1993-06-28|
    BR8406355A|1985-10-08|
    DE3485917T2|1993-01-14|
    HUT36334A|1985-09-30|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    FR742290A|1930-10-31|1933-03-03|
    FR1559595A|1966-12-13|1969-03-14|
    US3764693A|1969-11-21|1973-10-09|Lipha|A rodenticidal compositions containing 4-hydroxy coumarins|
    US4035505A|1973-05-23|1977-07-12|Ward Blenkinsop And Company Limited|4-Hydroxycoumarin compounds useful as anticoagulant rodenticides|
    DE3373184D1|1982-06-14|1987-10-01|Shell Int Research|Anti-coagulants of the 4-hydroxycoumarin type, the preparation thereof, and rodenticidal compositions comprising such anti-coagulants|JPS5925666B2|1976-04-26|1984-06-20|Sato Kenkyusho|
    BR9606680A|1995-10-04|1997-10-21|Labiofam Lab Biolog Farmaceuti|Process for the production of a biological rodenticide|
    FR3022109B1|2014-06-13|2017-10-20|Liphatech Inc|COMPOSITION COMPRISING DIFENACOUM, RODONTICIDE APPAT AND METHOD OF CONTROLLING HARMFUL TARGET RODENTS|
    FR3022110B1|2014-06-13|2016-07-01|Liphatech Inc|RODONTICIDE APPAT AND METHOD FOR CONTROLLING HARMFUL TARGET RODENTS USING SUCH APPAT|
    FR3022111B1|2014-06-13|2016-07-01|Liphatech Inc|COMPOSITION COMPRISING BROMADIOLONE, RODONTICIDE APPAT AND METHOD OF CONTROLLING HARMFUL TARGET RODENTS|
    FR3022113B1|2014-06-13|2016-07-01|Liphatech Inc|COMPOSITION COMPRISING DIFETHIALONE, RODONTICIDE APPAT AND METHOD OF CONTROLLING HARMFUL TARGET RODENTS|
    FR3044870B1|2015-12-11|2020-01-10|Liphatech|RODONTICIDE BAIT COMPRISING DIFENACOUM, METHOD FOR CONTROLLING INJURIOUS TARGET RODENTS AND PROCESS FOR OBTAINING|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    GB838333334A|GB8333334D0|1983-12-14|1983-12-14|Rodenticides|LV930378A| LV5651A3|1983-12-14|1993-05-18|The composition of Rodenticida|
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