CN102206184B - 3-氰基-1-(2,6-二氯-4-三氟甲基苯基)吡唑衍生物杀虫剂 - Google Patents
3-氰基-1-(2,6-二氯-4-三氟甲基苯基)吡唑衍生物杀虫剂 Download PDFInfo
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- QWAGZTFRUJNXJP-UHFFFAOYSA-N 1-[2,6-dichloro-4-(trifluoromethyl)phenyl]pyrazole-3-carbonitrile Chemical class ClC1=CC(C(F)(F)F)=CC(Cl)=C1N1N=C(C#N)C=C1 QWAGZTFRUJNXJP-UHFFFAOYSA-N 0.000 title abstract 2
- 239000002917 insecticide Substances 0.000 title abstract 2
- 241000500437 Plutella xylostella Species 0.000 claims abstract description 6
- 241000255925 Diptera Species 0.000 claims abstract description 3
- 241000258937 Hemiptera Species 0.000 claims abstract description 3
- 150000003217 pyrazoles Chemical class 0.000 claims description 18
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- SBGNZVXQHNZLDT-UHFFFAOYSA-N 5-[2,6-dichloro-4-(trifluoromethyl)phenyl]-1h-pyrazole Chemical class ClC1=CC(C(F)(F)F)=CC(Cl)=C1C1=NNC=C1 SBGNZVXQHNZLDT-UHFFFAOYSA-N 0.000 claims description 3
- 241000607479 Yersinia pestis Species 0.000 claims description 3
- 241001600407 Aphis <genus> Species 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract description 21
- 230000000749 insecticidal effect Effects 0.000 abstract description 7
- 241001124076 Aphididae Species 0.000 abstract description 6
- FNELVJVBIYMIMC-UHFFFAOYSA-N Ethiprole Chemical compound N1=C(C#N)C(S(=O)CC)=C(N)N1C1=C(Cl)C=C(C(F)(F)F)C=C1Cl FNELVJVBIYMIMC-UHFFFAOYSA-N 0.000 abstract description 4
- 241000254173 Coleoptera Species 0.000 abstract description 2
- 241001466007 Heteroptera Species 0.000 abstract description 2
- 241000238814 Orthoptera Species 0.000 abstract description 2
- 241000256059 Culex pipiens Species 0.000 abstract 1
- 241000255777 Lepidoptera Species 0.000 abstract 1
- 239000013065 commercial product Substances 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 description 21
- 150000002825 nitriles Chemical class 0.000 description 19
- 238000012360 testing method Methods 0.000 description 8
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 6
- 229910052731 fluorine Inorganic materials 0.000 description 6
- 239000011737 fluorine Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- JVVRJMXHNUAPHW-UHFFFAOYSA-N 1h-pyrazol-5-amine Chemical compound NC=1C=CNN=1 JVVRJMXHNUAPHW-UHFFFAOYSA-N 0.000 description 5
- 125000000217 alkyl group Chemical group 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 231100000419 toxicity Toxicity 0.000 description 5
- 230000001988 toxicity Effects 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- 125000000304 alkynyl group Chemical group 0.000 description 4
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 4
- 238000004440 column chromatography Methods 0.000 description 4
- 125000000753 cycloalkyl group Chemical group 0.000 description 4
- PPSZHCXTGRHULJ-UHFFFAOYSA-N dioxazine Chemical compound O1ON=CC=C1 PPSZHCXTGRHULJ-UHFFFAOYSA-N 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002466 imines Chemical class 0.000 description 4
- 235000014347 soups Nutrition 0.000 description 4
- 230000002194 synthesizing effect Effects 0.000 description 4
- 125000002769 thiazolinyl group Chemical group 0.000 description 4
- ZOCSXAVNDGMNBV-UHFFFAOYSA-N 5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-[(trifluoromethyl)sulfinyl]-1H-pyrazole-3-carbonitrile Chemical compound NC1=C(S(=O)C(F)(F)F)C(C#N)=NN1C1=C(Cl)C=C(C(F)(F)F)C=C1Cl ZOCSXAVNDGMNBV-UHFFFAOYSA-N 0.000 description 3
- 241000256113 Culicidae Species 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 239000005899 Fipronil Substances 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- -1 carbobenzoxy, carbobenzoxy-(Cbz) Chemical class 0.000 description 3
- 229940013764 fipronil Drugs 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- KTZQTRPPVKQPFO-UHFFFAOYSA-N 1,2-benzoxazole Chemical compound C1=CC=C2C=NOC2=C1 KTZQTRPPVKQPFO-UHFFFAOYSA-N 0.000 description 2
- LWWDYSLFWMWORA-BEJOPBHTSA-N 1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-5-[(E)-(4-hydroxy-3-methoxyphenyl)methylideneamino]-4-(trifluoromethylsulfanyl)pyrazole-3-carbonitrile Chemical compound c1cc(O)c(OC)cc1\C=N\c1c(SC(F)(F)F)c(C#N)nn1-c1c(Cl)cc(C(F)(F)F)cc1Cl LWWDYSLFWMWORA-BEJOPBHTSA-N 0.000 description 2
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 description 2
- 238000005160 1H NMR spectroscopy Methods 0.000 description 2
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- MWMQNVGAHVXSPE-UHFFFAOYSA-N Pyriprole Chemical compound ClC=1C=C(C(F)(F)F)C=C(Cl)C=1N1N=C(C#N)C(SC(F)F)=C1NCC1=CC=CC=N1 MWMQNVGAHVXSPE-UHFFFAOYSA-N 0.000 description 2
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 2
- GDZNYEZGJAFIKA-UHFFFAOYSA-N acetoprole Chemical compound NC1=C(S(C)=O)C(C(=O)C)=NN1C1=C(Cl)C=C(C(F)(F)F)C=C1Cl GDZNYEZGJAFIKA-UHFFFAOYSA-N 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- VZWXIQHBIQLMPN-UHFFFAOYSA-N chromane Chemical compound C1=CC=C2CCCOC2=C1 VZWXIQHBIQLMPN-UHFFFAOYSA-N 0.000 description 2
- 125000004093 cyano group Chemical group *C#N 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 150000008282 halocarbons Chemical class 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 125000001624 naphthyl group Chemical group 0.000 description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- DDIQWGKUSJOETH-UHFFFAOYSA-N pyrafluprole Chemical compound ClC=1C=C(C(F)(F)F)C=C(Cl)C=1N1N=C(C#N)C(SCF)=C1NCC1=CN=CC=N1 DDIQWGKUSJOETH-UHFFFAOYSA-N 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000009885 systemic effect Effects 0.000 description 2
- 125000004961 1-arylpyrazolyl group Chemical group 0.000 description 1
- WITMXBRCQWOZPX-UHFFFAOYSA-N 1-phenylpyrazole Chemical class C1=CC=NN1C1=CC=CC=C1 WITMXBRCQWOZPX-UHFFFAOYSA-N 0.000 description 1
- 125000002941 2-furyl group Chemical group O1C([*])=C([H])C([H])=C1[H] 0.000 description 1
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 description 1
- 241001425390 Aphis fabae Species 0.000 description 1
- 241000272639 Brachycaudus mimeuri Species 0.000 description 1
- 240000007124 Brassica oleracea Species 0.000 description 1
- 235000003899 Brassica oleracea var acephala Nutrition 0.000 description 1
- 235000011301 Brassica oleracea var capitata Nutrition 0.000 description 1
- 235000001169 Brassica oleracea var oleracea Nutrition 0.000 description 1
- 241001498622 Cixius wagneri Species 0.000 description 1
- 101100391174 Dictyostelium discoideum forC gene Proteins 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 102000005915 GABA Receptors Human genes 0.000 description 1
- 108010005551 GABA Receptors Proteins 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 1
- 241000382353 Pupa Species 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- 244000046109 Sorghum vulgare var. nervosum Species 0.000 description 1
- HXELGNKCCDGMMN-UHFFFAOYSA-N [F].[Cl] Chemical compound [F].[Cl] HXELGNKCCDGMMN-UHFFFAOYSA-N 0.000 description 1
- 239000000642 acaricide Substances 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000001055 chewing effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 125000002541 furyl group Chemical group 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D231/44—Oxygen and nitrogen or sulfur and nitrogen atoms
-
- 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
- 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
- A01N47/02—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 no bond to a nitrogen atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/12—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Plural Heterocyclic Compounds (AREA)
Abstract
本发明涉及3-氰基-1-(2,6-二氯-4-三氟甲基苯基)吡唑衍生物及其作为杀虫剂应用,通式如(I)所示,其中各基团的意义见说明书。本发明通式(I)的化合物具有优异的杀虫活性,部分化合物对蚜虫、尖音库蚊、小菜蛾的杀虫活性超过了商品化品种乙虫腈(Ethiprole),能用于防治鳞翅目类、鞘翅目类、异翅目类、双翅目类、直翅目类以及同翅目类害虫。
Description
技术领域
本发明涉及3-氰基-1-(2,6-二氯-4-三氟甲基苯基)吡唑衍生物及其作为杀虫剂应用。
背景技术
以1-芳基吡唑为骨架的杀虫剂主要是以氟虫腈为代表的γ-氨基丁酸受体抑制剂,现有六个已经商品化或正在开发中的品种,它们分别是Fipronil(通用名氟虫腈,商品名Regent,锐劲特),Ethiprole(通用名乙虫腈,商品名Curbix,酷毕),Acetoprole(乙酰虫腈),Vaniliprole,Pyrafluprole和Pyriprole,它们的结构如下:
Fipronil Ethiprole Acetoprole
May and Baker Rhone-Poulenc Rhone-Poulenc
Vaniliprole Pyrafluprole Pyriprole
Rhone-Poulenc Mitsubishi Mitsubishi
氟虫腈于1988年由英国May and Baker公司发现,后来由法国Rhone-Poulenc公司开发。氟虫腈杀虫谱广,具有触杀、胃毒和中度内吸作用,既能防治地下害虫,又能防治地上害虫,既可用于茎叶处理和土壤处理,又可用于种子处理,可有效防治多种刺吸式和咀嚼式口器害虫。乙虫腈于1997年由Rhone-Poulenc发现,2008年作为防治稻飞虱的高效杀虫剂正式上市。乙虫腈的杀虫谱与氟虫腈有所不同,对鳞翅目的活性不如氟虫腈,但对高粱蚜和桃蚜的内吸活性远高于氟虫腈。
CN 1204123C公开了如下结构的一类N-苯基吡唑衍生物:
CN 1915977A公开了如下结构的氯氟虫腈:
发明内容
本发明的目的是提供一类3-氰基-1-(2,6-二氯-4-三氟甲基苯基)吡唑衍生物及应用,该类化合物具有优异的杀虫活性。
本发明是化学通式为(I)的3-氰基-1-(2,6-二氯-4-三氟甲基苯基)吡唑衍生物:
式中,R1代表1-6碳烷基或被一个或一个以上相同或不同的卤素原子取代的烷基;R2代表取代或未取代的烷基、烯基、炔基、环烷基、苯基、1-6碳烃羰基、1-6碳烃氧羰基、苯氧羰基、苄氧羰基、萘基、色满、2,3-二氢-1,4-苯并二噁嗪、4H-1,3-苯并二噁嗪、2,3-二氢-苯并呋喃、苯并呋喃、苯并噻唑、1,3-苯并噁唑、1,2-苯并异噁唑或苯并咪唑,各基团是未取代的,或是被一个或一个以上下述基团取代:卤素、1-4碳烷基、1-4碳烷氧基、1-4碳卤代烷基、1-4碳卤代烷氧基、1-4碳烷氧烷基、1-4碳烷硫基、1-4碳烷基亚磺酰基、1-4碳烷基磺酰基、硝基、氰基、羟基、羧基、1-4碳烷基羰基、1-4碳烷氧基羰基或亚胺基;
R3代表取代或未取代的烷基、烯基、炔基、环烷基、苯基、1-6碳烃羰基、1-6碳烃氧羰基、苯氧羰基、苄氧羰基、萘基、色满、2,3-二氢-1,4-苯并二噁嗪、4H-1,3-苯并二噁嗪、2,3-二氢-苯并呋喃、苯并呋喃、苯并噻唑、1,3-苯并噁唑、1,2-苯并异噁唑或苯并咪唑,各基团是未取代的,或是被一个或一个以上下述基团取代:卤素、1-4碳烷基、1-4碳烷氧基、1-4碳卤代烷基、1-4碳卤代烷氧基、1-4碳烷氧烷基、1-4碳烷硫基、1-4碳烷基亚磺酰基、1-4碳烷基磺酰基、硝基、氰基、羟基、羧基、1-4碳烷基羰基、1-4碳烷氧基羰基或亚胺基;
X代表O、S、NH;
n代表0、1。
本发明所述的3-氰基-1-(2,6-二氯-4-三氟甲基苯基)吡唑衍生物(I)中,优选:R1为甲基、三氟甲基、乙基;R2代表取代或未取代的烷基、烯基、炔基、环烷基;R3代表取代或未取代的烷基、烯基、炔基、环烷基、苯基、呋喃基;X代表O;n代表0,1。
所述的3-氰基-1-(2,6-二氯-4-三氟甲基苯基)吡唑衍生物(I)可以按如下方法制备:将化合物a和醛反应得到亚胺(b),化合物b与醇或硫醇或胺加成可制得n为0的3-氰基-1-(2,6-二氯-4-三氟甲基苯基)吡唑衍生物(I),再进一步氧化可制得n为1的3-氰基-1-(2,6-二氯-4-三氟甲基苯基)吡唑衍生物(I)。
化合物a是市售的或是用已知方法制备的。
本发明还可用表1中列出的化合物来说明,但并不限定本发明。
本发明通式(I)的化合物具有优异的杀虫活性,能用于防治鳞翅目类、鞘翅目类、异翅目类、双翅目类、直翅目类以及同翅目类害虫。
本发明通式(I)的部分化合物对蚜虫、尖音库蚊、小菜蛾的杀虫活性超过了商品化品种乙虫腈(Ethiprole)。
本发明通式(I)的化合物可以直接使用,也可以加上农业上接受的载体使用,也可以和其它杀虫剂和(或)杀螨剂复配使用。
具体实施方式
以下结合实施例来进一步说明本发明:
实施例1:1-(2,6-二氯-4-三氟甲基)苯基-3-氰基-4-甲硫基-5-(三氯甲基亚甲氨基)吡唑(b1)的合成
将1-(2,6-二氯-4-三氟甲基)苯基-3-氰基-4-甲硫基-5-氨基吡唑(a1)(11mmol),35g三氯乙醛及1g分子筛混合,加热回流36h,蒸去三氯乙醛,残余物柱层析,得亚胺b1。收率44%,熔点113-115℃,1H NMR(CDCl3),δ8.82(s,1H,CH=N),7.74(s,2H,Ph),2.58(s,3H,CH3).Anal.Calcd for C14H6Cl5F3N4S(%):C,33.86;H,1.22;N,11.28;Found:C,33.99;H,1.21;N,11.12。
实施例2:1-(2,6-二氯-4-三氟甲基)苯基-3-氰基-4-乙硫基-5-(三氯甲基亚甲氨基)吡唑(b2)的合成
将1-(2,6-二氯-4-三氟甲基)苯基-3-氰基-4-乙硫基-5-氨基吡唑(a2)(11mmol),35g三氯乙醛及1g分子筛混合,加热回流36h,蒸去三氯乙醛,残余物柱层析,得亚胺b2。收率53%,熔点112-114℃,1H NMR(CDCl3),δ9.00(s,1H,CH=N),7.75(s,2H,Ph),2.95(q,3JHH=7.2Hz,2H,CH2),1.28(t,3JHH=7.2Hz,3H,CH3).Anal.Calcd forC15H8Cl5F3N4S(%):C,35.29;H,1.58;N,10.97;Found:C,35.21;H,1.59;N,10.97。
实施例3:1-(2,6-二氯-4-三氟甲基)苯基-3-氰基-4-甲硫基-5-(2,2,2-三氯-1-甲氧乙基)氨基吡唑(I1)的合成
将2mmol 1-(2,6-二氯-4-三氟甲基)苯基-3-氰基-4-甲硫基-5-(三氯甲基亚甲氨基)吡唑(b1)和10mL甲醇混合,加热回流,TLC监测反应。亚胺b1反应完毕后,除去绝大部分溶剂,剩余物柱层析,得白色固体I1。
实施例4:1-(2,6-二氯-4-三氟甲基)苯基-3-氰基-4-甲基亚磺酰基-5-(2,2,2-三氯-1-甲氧乙基)氨基吡唑(I11)的合成
15mL含1mmol 1-(2,6-二氯-4-三氟甲基)苯基-3-氰基-4-甲硫基-5-(2,2,2-三氯-1-甲氧乙基)氨基吡唑(I1)的二氯甲烷溶液中,加入1mL三氟乙酸和0.23mL 30%的双氧水,反应3h,TLC监测反应。加入1g亚硫酸氢钠分解多余的过氧化氢。加入15mL水,分液,有机相依次以15mL水和15mL食盐水洗涤,无水硫酸钠干燥。过滤,脱溶,粗品柱层析,得白色固体I11。
同样,可以合成本发明的其它化合物,见表1。
实施例5:蚕豆蚜的叶面触杀活性
将一定量的待测化合物和乙虫腈溶于适量N,N-二甲基甲酰胺中,用含有TW-20的水配成200mg L-1的药液,并根据需要稀释特定浓度。将带有约60头蚜虫的嫩枝在药液中浸5s,除去叶面上多余的药液,将试虫转移至正常条件下生长,24h后查看结果。每个浓度在相同条件下重复三次,并设不含药剂的空白试验做对照。表2和表3为部分化合物的测试结果。
实施例6:对尖音库蚊幼虫活性
将样品用丙酮配制成一定浓度的母液,在100mL的烧杯内加入90mL水,分别加入不同量的样品母液,再加10mL含有10头4龄蚊幼虫的饲养水。每处理重复3次。处理后每天添加少许饲料,直到蚊幼虫全部化蛹或死亡。随时将化的蛹吸走。空白对照加与试验体积相同丙酮的水溶液。表4为部分化合物的测试结果。
实施例7:对小菜蛾幼虫活性
将一定量的待测化合物和乙虫腈溶于适量N,N-二甲基甲酰胺中,用含有TW-20的水配成200mg L-1的药液,并根据需要稀释特定浓度。将新鲜甘蓝叶切成片(6cm×2cm),在待测药液中浸3s,用滤纸吸去多余药液,在空气中晾干后放入玻璃管中,每管放入7头健康的小菜蛾3龄幼虫,24h后随时添加新鲜叶片,3d后观察结果。每个浓度在相同条件下重复三次,并设不含药剂的空白试验做对照。表5为部分化合物的测试结果。
表13-氰基-1-(2,6-二氯-4-三氟甲基苯基)吡唑衍生物(I)列表
编号 | R1 | R2 | R3 | X | n | 熔点(℃) |
I1 | Me | Me | CCl3 | O | 0 | 91-92 |
I2 | Me | Et | CCl3 | O | 0 | 127-128 |
I3 | Me | n-Pr | CCl3 | O | 0 | 147-149 |
I4 | Me | FCH2CH2 | CCl3 | O | 0 | 129-131 |
I5 | Me | ClCH2CH2 | CCl3 | O | 0 | 142-144 |
I6 | Et | Me | CCl3 | O | 0 | 123-124 |
I7 | Et | Et | CCl3 | O | 0 | 137-139 |
I8 | Et | n-Pr | CCl3 | O | 0 | 119-121 |
I9 | Et | FCH2CH2 | CCl3 | O | 0 | 147-149 |
I10 | Et | ClCH2CH2 | CCl3 | O | 0 | 123-125 |
I11 | Me | Me | CCl3 | O | 1 | 110-112 |
I12 | Me | Et | CCl3 | O | 1 | 98-100 |
I13 | Me | n-Pr | CCl3 | O | 1 | 158-160 |
I14a | Me | FCH2CH2 | CCl3 | O | 1 | 150-152 |
I15b | Me | FCH2CH2 | CCl3 | O | 1 | 141-143 |
I16c | Me | ClCH2CH2 | CCl3 | O | 1 | 151-153 |
I17d | Me | ClCH2CH2 | CCl3 | O | 1 | 133-135 |
I18 | Et | Me | CCl3 | O | 1 | 147-149 |
I19 | Et | Et | CCl3 | O | 1 | 133-134 |
I20 | Et | n-Pr | CCl3 | O | 1 | 49-51 |
I21 | Et | FCH2CH2 | CCl3 | O | 1 | 67-69 |
I22 | Et | ClCH2CH2 | CCl3 | O | 1 | 52-54 |
I23 | CF3 | Me | Ph | O | 1 | 104-105 |
I24 | CF3 | Me | 4-NO2-Ph | O | 1 | 143-145 |
I25 | CF3 | Me | 2-furanyl | O | 1 | 152-154 |
I26 | CF3 | Me | styrenyl | O | 1 | 104-107 |
I27 | Me | Me | CCl3 | S | 0 | 油状物 |
I28 | Me | Me | CCl3 | S | 1 | 油状物 |
I29 | Me | Me | CCl3 | NH | 0 | 油状物 |
I30 | Me | Me | CCl3 | NH | 1 | 油状物 |
注:a,b:I14和I15为两对对映异构体;c,d:I16和I17为两对对应异构体。
表2部分化合物和乙虫腈对蚜虫的叶面触杀活性
表3部分化合物和乙虫腈对蚜虫叶面触杀活性的LC50值
编号 | 回归方程 | LC50(mg kg-1) | 毒力指数 |
I11 | y=-2.3051+5.0099x | 2.8848 | 4.2 |
I13 | y=-2.1989+4.9845x | 2.7616 | 4.3 |
I20 | y=-0.7833+4.5433x | 1.4873 | 7.9 |
乙虫腈 | y=-7.9808+7.4646x | 11.7263 | 1 |
表4部分化合物和乙虫腈杀蚊幼虫活性
表5部分化合物和乙虫腈对小菜蛾的活性
Claims (3)
2.权利要求1所述的3-氰基-1-(2,6-二氯-4-三氟甲基苯基)吡唑衍生物作为杀虫剂在防治鳞翅目、双翅目类、同翅目害虫中的应用。
3.权利要求1所述的3-氰基-1-(2,6-二氯-4-三氟甲基苯基)吡唑衍生物作为杀虫剂在防治蚜虫、尖音库蚊、小菜蛾中的应用。
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