JP4246207B2 - Herbicidal composition - Google Patents
Herbicidal composition Download PDFInfo
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- JP4246207B2 JP4246207B2 JP2006041881A JP2006041881A JP4246207B2 JP 4246207 B2 JP4246207 B2 JP 4246207B2 JP 2006041881 A JP2006041881 A JP 2006041881A JP 2006041881 A JP2006041881 A JP 2006041881A JP 4246207 B2 JP4246207 B2 JP 4246207B2
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- formula
- halogen
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- compound
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- 230000002363 herbicidal effect Effects 0.000 title claims description 67
- 239000000203 mixture Substances 0.000 title claims description 54
- 150000001875 compounds Chemical class 0.000 claims description 62
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 32
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 24
- IHHMUBRVTJMLQO-UHFFFAOYSA-N Pyraclonil Chemical compound C#CCN(C)C1=C(C#N)C=NN1C1=NN(CCCC2)C2=C1Cl IHHMUBRVTJMLQO-UHFFFAOYSA-N 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 13
- 229910052801 chlorine Inorganic materials 0.000 claims description 12
- 235000007164 Oryza sativa Nutrition 0.000 claims description 11
- 235000009566 rice Nutrition 0.000 claims description 11
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 10
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 9
- 240000007594 Oryza sativa Species 0.000 claims 1
- 229910052736 halogen Inorganic materials 0.000 description 54
- 150000002367 halogens Chemical group 0.000 description 54
- 125000000217 alkyl group Chemical group 0.000 description 50
- 125000005843 halogen group Chemical group 0.000 description 32
- 239000004009 herbicide Substances 0.000 description 29
- -1 heterocyclic sulfonylurea compound Chemical class 0.000 description 26
- 125000003545 alkoxy group Chemical group 0.000 description 25
- 125000003282 alkyl amino group Chemical group 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 18
- 239000004480 active ingredient Substances 0.000 description 17
- 125000004432 carbon atom Chemical group C* 0.000 description 17
- 239000003814 drug Substances 0.000 description 17
- 229940079593 drug Drugs 0.000 description 17
- 241000196324 Embryophyta Species 0.000 description 16
- 239000000843 powder Substances 0.000 description 15
- 125000000753 cycloalkyl group Chemical group 0.000 description 12
- 229940100389 Sulfonylurea Drugs 0.000 description 11
- 125000004414 alkyl thio group Chemical group 0.000 description 11
- 239000013078 crystal Substances 0.000 description 11
- 239000000417 fungicide Substances 0.000 description 11
- 239000008187 granular material Substances 0.000 description 11
- 241000209094 Oryza Species 0.000 description 10
- 125000004644 alkyl sulfinyl group Chemical group 0.000 description 10
- 125000004390 alkyl sulfonyl group Chemical group 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
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- 230000000694 effects Effects 0.000 description 9
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 9
- 239000002689 soil Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000002917 insecticide Substances 0.000 description 8
- YROXIXLRRCOBKF-UHFFFAOYSA-N sulfonylurea Chemical class OC(=N)N=S(=O)=O YROXIXLRRCOBKF-UHFFFAOYSA-N 0.000 description 8
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 125000003277 amino group Chemical group 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 125000004093 cyano group Chemical group *C#N 0.000 description 6
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 6
- 239000004094 surface-active agent Substances 0.000 description 6
- 125000003342 alkenyl group Chemical group 0.000 description 5
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 5
- 238000007865 diluting Methods 0.000 description 5
- 238000010790 dilution Methods 0.000 description 5
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- 238000009472 formulation Methods 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 5
- 238000009333 weeding Methods 0.000 description 5
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- 229920001213 Polysorbate 20 Polymers 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
- 230000000895 acaricidal effect Effects 0.000 description 4
- 125000000304 alkynyl group Chemical group 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
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- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 125000000623 heterocyclic group Chemical group 0.000 description 4
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
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- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 240000001549 Ipomoea eriocarpa Species 0.000 description 3
- 235000005146 Ipomoea eriocarpa Nutrition 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 241000254158 Lampyridae Species 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 238000005481 NMR spectroscopy Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 239000000642 acaricide Substances 0.000 description 3
- 150000001408 amides Chemical class 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 3
- 244000269888 azena Species 0.000 description 3
- 239000003085 diluting agent Substances 0.000 description 3
- 230000009969 flowable effect Effects 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 230000012010 growth Effects 0.000 description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- KRTSDMXIXPKRQR-AATRIKPKSA-N monocrotophos Chemical compound CNC(=O)\C=C(/C)OP(=O)(OC)OC KRTSDMXIXPKRQR-AATRIKPKSA-N 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000005645 nematicide Substances 0.000 description 3
- 239000012074 organic phase Substances 0.000 description 3
- 239000005648 plant growth regulator Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000009331 sowing Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- CXNPLSGKWMLZPZ-GIFSMMMISA-N (2r,3r,6s)-3-[[(3s)-3-amino-5-[carbamimidoyl(methyl)amino]pentanoyl]amino]-6-(4-amino-2-oxopyrimidin-1-yl)-3,6-dihydro-2h-pyran-2-carboxylic acid Chemical compound O1[C@@H](C(O)=O)[C@H](NC(=O)C[C@@H](N)CCN(C)C(N)=N)C=C[C@H]1N1C(=O)N=C(N)C=C1 CXNPLSGKWMLZPZ-GIFSMMMISA-N 0.000 description 2
- WCXDHFDTOYPNIE-RIYZIHGNSA-N (E)-acetamiprid Chemical compound N#C/N=C(\C)N(C)CC1=CC=C(Cl)N=C1 WCXDHFDTOYPNIE-RIYZIHGNSA-N 0.000 description 2
- PGOOBECODWQEAB-UHFFFAOYSA-N (E)-clothianidin Chemical compound [O-][N+](=O)\N=C(/NC)NCC1=CN=C(Cl)S1 PGOOBECODWQEAB-UHFFFAOYSA-N 0.000 description 2
- CFRPSFYHXJZSBI-DHZHZOJOSA-N (E)-nitenpyram Chemical compound [O-][N+](=O)/C=C(\NC)N(CC)CC1=CC=C(Cl)N=C1 CFRPSFYHXJZSBI-DHZHZOJOSA-N 0.000 description 2
- QPUYECUOLPXSFR-UHFFFAOYSA-N 1-methylnaphthalene Chemical compound C1=CC=C2C(C)=CC=CC2=C1 QPUYECUOLPXSFR-UHFFFAOYSA-N 0.000 description 2
- OYJJDGVOQZZXFL-UHFFFAOYSA-N 2-chloro-6-propylimidazo[1,2-b]pyridazine Chemical compound N1=C(CCC)C=CC2=NC(Cl)=CN21 OYJJDGVOQZZXFL-UHFFFAOYSA-N 0.000 description 2
- XAOCGDOFTYCSAN-UHFFFAOYSA-N 2-chloro-6-propylimidazo[1,2-b]pyridazine-3-sulfonamide Chemical compound N1=C(CCC)C=CC2=NC(Cl)=C(S(N)(=O)=O)N21 XAOCGDOFTYCSAN-UHFFFAOYSA-N 0.000 description 2
- 239000005875 Acetamiprid Substances 0.000 description 2
- 241001621841 Alopecurus myosuroides Species 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 244000058871 Echinochloa crus-galli Species 0.000 description 2
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- PMAAYIYCDXGUAP-UHFFFAOYSA-N Indanofan Chemical compound O=C1C2=CC=CC=C2C(=O)C1(CC)CC1(C=2C=C(Cl)C=CC=2)CO1 PMAAYIYCDXGUAP-UHFFFAOYSA-N 0.000 description 2
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- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
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- WHRZCXAVMTUTDD-UHFFFAOYSA-N 1h-furo[2,3-d]pyrimidin-2-one Chemical compound N1C(=O)N=C2OC=CC2=C1 WHRZCXAVMTUTDD-UHFFFAOYSA-N 0.000 description 1
- MGNCSIAIZSTMHX-UHFFFAOYSA-N 2,6-dichloroimidazo[1,2-b]pyridazine Chemical compound N1=C(Cl)C=CC2=NC(Cl)=CN21 MGNCSIAIZSTMHX-UHFFFAOYSA-N 0.000 description 1
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- ZZYSLNWGKKDOML-UHFFFAOYSA-N tebufenpyrad Chemical compound CCC1=NN(C)C(C(=O)NCC=2C=CC(=CC=2)C(C)(C)C)=C1Cl ZZYSLNWGKKDOML-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- DNVLJEWNNDHELH-UHFFFAOYSA-N thiocyclam Chemical compound CN(C)C1CSSSC1 DNVLJEWNNDHELH-UHFFFAOYSA-N 0.000 description 1
- BAKXBZPQTXCKRR-UHFFFAOYSA-N thiodicarb Chemical compound CSC(C)=NOC(=O)NSNC(=O)ON=C(C)SC BAKXBZPQTXCKRR-UHFFFAOYSA-N 0.000 description 1
- QGHREAKMXXNCOA-UHFFFAOYSA-N thiophanate-methyl Chemical group COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC QGHREAKMXXNCOA-UHFFFAOYSA-N 0.000 description 1
- DQJCHOQLCLEDLL-UHFFFAOYSA-N tricyclazole Chemical compound CC1=CC=CC2=C1N1C=NN=C1S2 DQJCHOQLCLEDLL-UHFFFAOYSA-N 0.000 description 1
- JARYYMUOCXVXNK-CSLFJTBJSA-N validamycin A Chemical compound N([C@H]1C[C@@H]([C@H]([C@H](O)[C@H]1O)O[C@H]1[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O1)O)CO)[C@H]1C=C(CO)[C@@H](O)[C@H](O)[C@H]1O JARYYMUOCXVXNK-CSLFJTBJSA-N 0.000 description 1
- LESVOLZBIFDZGS-UHFFFAOYSA-N vamidothion Chemical compound CNC(=O)C(C)SCCSP(=O)(OC)OC LESVOLZBIFDZGS-UHFFFAOYSA-N 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Landscapes
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Description
本発明は、除草剤組成物および除草方法、さらに詳しくは、作物、特に水稲に対して優れた選択性を有し、スルホニル尿素系除草剤抵抗性雑草に高い除草効果を示す除草剤組成物および除草方法に関する。 The present invention relates to a herbicidal composition and a herbicidal method, and more particularly to a herbicidal composition having excellent selectivity for crops, particularly paddy rice, and exhibiting a high herbicidal effect on sulfonylurea herbicide-resistant weeds, and It relates to a weeding method.
一般に除草剤の施用される場においては多種類の雑草が混在して生育しており、かつそれぞれの個体の出芽や生育時期はそれを取り巻く環境条件によって異なり、一様でない。特に、最近の水稲栽培では移植時期の早期化による雑草の発生期間の長期化により、除草剤の施用は生育段階の異なる多種類の雑草を対象として行われていることになり、多種の有効成分を含む混合剤が広く使用されてきた。近年、スルホニル尿素系除草剤抵抗性雑草の出現により、より多種の有効成分を使用する除草方法が主となっている。このため、殺草スペクトラムが広く、スルホニル尿素系除草剤抵抗性雑草に対して満足し得る除草効果を有し、かつ抑草効果持続性の長い、しかも混合剤中の有効成分数の少ない除草剤組成物が求められている。
一方、特許文献1には、縮合複素環スルホニル尿素化合物が開示されている。
On the other hand, Patent Document 1 discloses a condensed heterocyclic sulfonylurea compound.
本発明は、1回の施用でスルホニル尿素系除草剤抵抗性雑草を含む多くの雑草を十分に防除し、有効成分数の比較的少ない、しかも作物、特に水稲に対して高度の安全性を有する混合剤タイプの除草剤を提供することを目的とする。 The present invention sufficiently controls many weeds including sulfonylurea herbicide-resistant weeds in a single application, has a relatively small number of active ingredients, and has a high level of safety against crops, particularly paddy rice. An object is to provide a mixed-type herbicide.
本発明者は、上記課題を解決するため鋭意研究を重ねた。その結果、ある種の縮合複素環スルホニル尿素化合物とピラクロニルとを組み合わせると、優れた混合剤タイプの除草剤が得られることを見出した。すなわち、それぞれ単独施用では期待できなかった抑制効果の持続作用が示されること、特に水稲田において1回の散布で実質的にすべての雑草の生育を抑制し、かつ前後の除草作業を必要としない程抑制効果が持続すること、およびそれぞれの単独使用における効果の和から予想される以上の相乗効果が得られることを見出し、本発明に至った。 This inventor repeated earnest research in order to solve the said subject. As a result, it has been found that when a certain kind of condensed heterocyclic sulfonylurea compound and pyraclonil are combined, an excellent mixed-type herbicide can be obtained. That is, it shows that the inhibitory effect that could not be expected with each single application is exhibited, and in particular, the growth of all weeds is suppressed by one spraying in paddy rice fields, and the weeding work before and after is not required. As a result, the present inventors have found that the inhibitory effect is sustained and that a synergistic effect more than expected from the sum of the effects of each individual use can be obtained.
即ち、本発明は、
[1]式(I):
R2は、水素原子、ハロゲン原子またはハロゲンで置換されていてもよい低級アルキル基を、
R3は、ハロゲン原子、シアノ基、ニトロ基、ハロゲンで置換されていてもよい低級アルキル基、ハロゲンもしくは低級アルキル基で置換されていてもよい低級シクロアルキル基、ハロゲンで置換されていてもよい低級アルケニル基、ハロゲンで置換されていてもよい低級アルキニル基、ハロゲンで置換されていてもよい低級アルコキシ基、低級アルキルチオ基、低級アルキルスルフィニル基、低級アルキルスルホニル基、アミノ基、低級アルキルアミノ基またはジ低級アルキルアミノ基を示す。)で表される縮合複素環基を、
XおよびYは、同一または異なって、それぞれハロゲンで置換されていてもよい低級アルキル基、ハロゲンで置換されていてもよい低級アルコキシ基またはハロゲン原子を示す。〕で表される化合物と、
式(II):
[2]Qが、式Q1で表される基である上記[1]記載の除草剤組成物;
[3]式Q1におけるR1がハロゲン原子またはハロゲン原子で置換されていてもよい炭素数1−6のアルキル基であり、R2が水素原子であり、R3がハロゲン原子で置換されていてもよい炭素数1−6のアルキル基、またはハロゲン原子もしくは炭素数1−6のアルキル基で置換されていてもよい炭素数3−6のシクロアルキル基であり、XおよびYは同一または異なって、それぞれハロゲン原子で置換されていてもよい炭素数1−6のアルキル基またはハロゲン原子で置換されていてもよい炭素数1−6のアルコキシ基である上記[2]記載の除草剤組成物;
[4]式Q1におけるR1がハロゲン原子であり、R2が水素原子であり、R3が炭素数2−4のアルキル基または炭素数3−6のシクロアルキル基であり、XおよびYがそれぞれハロゲン原子で置換されていてもよい炭素数1−6のアルキル基である上記[2]記載の除草剤組成物;
[5]式Q1におけるR1がハロゲン原子であり、R2が水素原子であり、R3がC2−4アルキルまたは低級シクロアルキルであり、XおよびYがそれぞれメトキシ基である上記[2]記載の除草剤組成物;
[6]式Q1におけるR1が塩素原子であり、R2が水素原子であり、R3がn−プロピル基またはシクロプロピル基であり、XおよびYがメトキシ基である上記[2]記載の除草剤組成物;
[7]式Q1におけるR1が塩素原子であり、R2が水素原子であり、R3がn−プロピル基であり、XおよびYがそれぞれメトキシ基である上記[2]記載の除草剤組成物(即ち、式(III):
[8]式(I)で表される化合物と式(II)で表されるピラクロニルとを重量比1:0.1〜50の割合で含有する上記[1]〜[7]のいずれかに記載の除草剤組成物;
[9]式(I)で表される化合物と式(II)で表されるピラクロニルとを重量比1:0.1〜1:40の割合で含有する上記[1]〜[7]のいずれかに記載の除草剤組成物;
[10]式(I)で表される化合物と式(II)で表されるピラクロニルとを重量比1:0.25〜1:20の割合で含有する上記[1]〜[7]のいずれかに記載の除草剤組成物;
[11]式(I)で表される化合物と式(II)で表されるピラクロニルとを重量比1:0.25〜1:8の割合で含有する上記[1]〜[7]のいずれかに記載の除草剤組成物;
[12]式(I):
R2は、水素原子、ハロゲン原子またはハロゲンで置換されていてもよい低級アルキル基を、
R3は、ハロゲン原子、シアノ基、ニトロ基、ハロゲンで置換されていてもよい低級アルキル基、ハロゲンもしくは低級アルキル基で置換されていてもよい低級シクロアルキル基、ハロゲンで置換されていてもよい低級アルケニル基、ハロゲンで置換されていてもよい低級アルキニル基、ハロゲンで置換されていてもよい低級アルコキシ基、低級アルキルチオ基、低級アルキルスルフィニル基、低級アルキルスルホニル基、アミノ基、低級アルキルアミノ基またはジ低級アルキルアミノ基を示す。)で表される縮合複素環基を、
XおよびYは、同一または異なって、それぞれハロゲンで置換されていてもよい低級アルキル基、ハロゲンで置換されていてもよい低級アルコキシ基またはハロゲン原子を示す。〕で表される化合物と、
式(II):
を散布する除草方法;
[13]Qが、式Q1で表される基である上記[12]記載の除草方法;
[14]式Q1におけるR1が塩素原子であり、R2が水素原子であり、R3がn−プロピル基またはシクロプロピル基であり、XおよびYがメトキシ基である上記[13]記載の除草方法;
[15]式(I)で表される化合物と式(II)で表されるピラクロニルとを重量比1:0.1〜1:40の割合で使用する上記[12]〜[14]のいずれかに記載の除草方法;
[16]式(I)で表される化合物と式(II)で表されるピラクロニルとを重量比1:0.25〜1:8の割合で使用する上記[12]〜[14]のいずれかに記載の除草方法;および
[17]水稲田用である上記[1]記載の除草剤組成物;
等を提供するものである。
That is, the present invention
[1] Formula (I):
R2 represents a hydrogen atom, a halogen atom or a lower alkyl group which may be substituted with a halogen,
R3 represents a halogen atom, a cyano group, a nitro group, a lower alkyl group which may be substituted with halogen, a lower cycloalkyl group which may be substituted with halogen or a lower alkyl group, or a lower group which may be substituted with halogen. Alkenyl group, lower alkynyl group optionally substituted with halogen, lower alkoxy group optionally substituted with halogen, lower alkylthio group, lower alkylsulfinyl group, lower alkylsulfonyl group, amino group, lower alkylamino group or di A lower alkylamino group is shown. A condensed heterocyclic group represented by
X and Y are the same or different and each represents a lower alkyl group which may be substituted with halogen, a lower alkoxy group which may be substituted with halogen, or a halogen atom. And a compound represented by
Formula (II):
[2] The herbicidal composition according to the above [1], wherein Q is a group represented by the formula Q1;
[3] R1 in Formula Q1 is a halogen atom or an alkyl group having 1 to 6 carbon atoms that may be substituted with a halogen atom, R2 is a hydrogen atom, and R3 is a carbon that may be substituted with a halogen atom An alkyl group having 1 to 6 carbon atoms, or a cycloalkyl group having 3 to 6 carbon atoms which may be substituted with a halogen atom or an alkyl group having 1 to 6 carbon atoms, wherein X and Y are the same or different and each represents a halogen atom; The herbicidal composition according to the above [2], which is an alkyl group having 1-6 carbon atoms which may be substituted with an atom or an alkoxy group having 1-6 carbon atoms which may be substituted with a halogen atom;
[4] R1 in formula Q1 is a halogen atom, R2 is a hydrogen atom, R3 is an alkyl group having 2 to 4 carbon atoms or a cycloalkyl group having 3 to 6 carbon atoms, and X and Y are each a halogen atom The herbicidal composition according to the above [2], which is an alkyl group having 1 to 6 carbon atoms which may be substituted with
[5] The herbicide according to the above [2], wherein R1 in formula Q1 is a halogen atom, R2 is a hydrogen atom, R3 is C2-4 alkyl or lower cycloalkyl, and X and Y are each a methoxy group Composition;
[6] The herbicidal composition according to the above [2], wherein R1 in formula Q1 is a chlorine atom, R2 is a hydrogen atom, R3 is an n-propyl group or a cyclopropyl group, and X and Y are methoxy groups. object;
[7] The herbicidal composition according to the above [2], wherein R1 in formula Q1 is a chlorine atom, R2 is a hydrogen atom, R3 is an n-propyl group, and X and Y are each a methoxy group (ie, Formula (III):
[8] In any one of the above [1] to [7], the compound represented by the formula (I) and the pyraclonyl represented by the formula (II) are contained at a weight ratio of 1: 0.1-50. A herbicidal composition as described;
[9] Any of the above [1] to [7], containing the compound represented by the formula (I) and the pyraclonyl represented by the formula (II) in a weight ratio of 1: 0.1 to 1:40. A herbicidal composition according to claim 1;
[10] Any one of [1] to [7] above, wherein the compound represented by formula (I) and pyraclonyl represented by formula (II) are contained at a weight ratio of 1: 0.25 to 1:20. A herbicidal composition according to claim 1;
[11] Any one of [1] to [7] above, wherein the compound represented by formula (I) and pyraclonyl represented by formula (II) are contained at a weight ratio of 1: 0.25 to 1: 8. A herbicidal composition according to claim 1;
[12] Formula (I):
R2 represents a hydrogen atom, a halogen atom or a lower alkyl group which may be substituted with a halogen,
R3 represents a halogen atom, a cyano group, a nitro group, a lower alkyl group which may be substituted with halogen, a lower cycloalkyl group which may be substituted with halogen or a lower alkyl group, or a lower group which may be substituted with halogen. Alkenyl group, lower alkynyl group optionally substituted with halogen, lower alkoxy group optionally substituted with halogen, lower alkylthio group, lower alkylsulfinyl group, lower alkylsulfonyl group, amino group, lower alkylamino group or di A lower alkylamino group is shown. A condensed heterocyclic group represented by
X and Y are the same or different and each represents a lower alkyl group which may be substituted with halogen, a lower alkoxy group which may be substituted with halogen, or a halogen atom. And a compound represented by
Formula (II):
[13] The weeding method according to the above [12], wherein Q is a group represented by the formula Q1;
[14] The weeding method according to the above [13], wherein R1 in formula Q1 is a chlorine atom, R2 is a hydrogen atom, R3 is an n-propyl group or a cyclopropyl group, and X and Y are methoxy groups;
[15] Any of the above [12] to [14], wherein the compound represented by the formula (I) and the pyraclonyl represented by the formula (II) are used in a weight ratio of 1: 0.1 to 1:40. A weeding method according to crab;
[16] Any of the above [12] to [14], wherein the compound represented by the formula (I) and the pyraclonyl represented by the formula (II) are used in a weight ratio of 1: 0.25 to 1: 8. A herbicidal method according to claim 1, and [17] the herbicidal composition according to the above [1] for paddy rice fields;
Etc. are provided.
本発明によれば、1回の施用でスルホニル尿素系除草剤抵抗性雑草を含む多くの雑草を十分に防除し、有効成分数の比較的少ない、しかも作物、特に水稲に対して高度の安全性を有する混合剤タイプの除草剤組成物が提供できる。 According to the present invention, a single application sufficiently controls many weeds including sulfonylurea herbicide-resistant weeds, has a relatively small number of active ingredients, and is highly safe against crops, particularly paddy rice. A mixture type herbicide composition having the following formula can be provided.
本発明の除草剤組成物に用いる上記式(I)で表される化合物は上記特許文献1に記載される縮合複素環スルホニル尿素化合物である。式(I)中の低級アルキル基、低級アルケニル基、低級アルコキシ基、低級アルキルチオ基等における「低級」とは、炭化水素部分が1または2〜6個の炭素原子、好ましくは、1または2〜4個の炭素原子によって構成されていることをいう。例えば、直鎖状または分枝鎖状のC1-6アルキル基、C2-6アルケニル基、C1−6アルコキシ基、C1-6アルキルチオ基等が挙げられる。
Qで示される縮合複素環基におけるR1は、水素原子、ハロゲン原子、シアノ基、ニトロ基、ハロゲンで置換されていてもよい低級アルキル基、ハロゲンで置換されていてもよい低級アルコキシ基、低級アルキルチオ基、低級アルキルスルフィニル基、低級アルキルスルホニル基、アミノ基、低級アルキルアミノ基またはジ低級アルキルアミノ基を示す。
R1における「ハロゲン原子」としては、例えば、フッ素、塩素、臭素、ヨウ素等が挙げられる。
R1における「低級アルキル基」としては、直鎖または分枝鎖状の炭素数1〜4のアルキル基、例えば、メチル、エチル、n−プロピル、イソプロピル、n−ブチル、イソブチル、sec−ブチル、t−ブチル等が挙げられる。「ハロゲンで置換されていてもよい低級アルキル基」における「ハロゲン」としては、例えば、フッ素、塩素、臭素、ヨウ素等が挙げられ、該低級アルキル基は、置換可能な位置で1個以上、好ましくは1〜3個のハロゲンによって置換されていてよい。
R1における「低級アルコキシ基」としては、直鎖または分枝鎖状の炭素数1〜4のアルコキシ基、例えば、メトキシ、エトキシ、プロポキシ、イソプロポキシ、t−ブトキシ等が挙げられる。「ハロゲンで置換されていてもよい低級アルコキシ基」における「ハロゲン」としては、上記低級アルキル基の場合と同様なものが挙げられ、該低級アルコキシ基は置換可能な位置で1個以上、好ましくは1〜3個のハロゲンによって置換されていてよい。
R1の「低級アルキルチオ基」、「低級アルキルスルフィニル基」、「低級アルキルスルホニル基」、「低級アルキルアミノ基」および「ジ低級アルキルアミノ基」における「低級アルキル」としては、上記した「低級アルキル基」と同様なものが挙げられる。
The compound represented by the above formula (I) used in the herbicidal composition of the present invention is a condensed heterocyclic sulfonylurea compound described in Patent Document 1. “Lower” in the lower alkyl group, lower alkenyl group, lower alkoxy group, lower alkylthio group and the like in the formula (I) means that the hydrocarbon portion has 1 or 2 to 6 carbon atoms, preferably 1 or 2 to 2 carbon atoms. It is composed of 4 carbon atoms. Examples thereof include a linear or branched C 1-6 alkyl group, a C 2-6 alkenyl group, a C 1-6 alkoxy group, a C 1-6 alkylthio group, and the like.
R1 in the condensed heterocyclic group represented by Q is a hydrogen atom, a halogen atom, a cyano group, a nitro group, a lower alkyl group that may be substituted with halogen, a lower alkoxy group that may be substituted with halogen, or a lower alkylthio group. A group, a lower alkylsulfinyl group, a lower alkylsulfonyl group, an amino group, a lower alkylamino group or a di-lower alkylamino group;
Examples of the “halogen atom” in R1 include fluorine, chlorine, bromine, iodine and the like.
The “lower alkyl group” in R1 is a linear or branched alkyl group having 1 to 4 carbon atoms such as methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, t -Butyl etc. are mentioned. The “halogen” in the “lower alkyl group optionally substituted with halogen” includes, for example, fluorine, chlorine, bromine, iodine, etc., and the lower alkyl group is preferably one or more, preferably at a substitutable position. May be substituted by 1 to 3 halogens.
Examples of the “lower alkoxy group” for R 1 include linear or branched alkoxy groups having 1 to 4 carbon atoms such as methoxy, ethoxy, propoxy, isopropoxy, t-butoxy and the like. Examples of the “halogen” in the “lower alkoxy group optionally substituted with halogen” include the same as those in the case of the lower alkyl group, and the lower alkoxy group is preferably one or more, preferably at the substitutable position. It may be substituted by 1 to 3 halogens.
The “lower alkyl” in the “lower alkylthio group”, “lower alkylsulfinyl group”, “lower alkylsulfonyl group”, “lower alkylamino group” and “di-lower alkylamino group” of R1 is the above-mentioned “lower alkyl group” And the like.
R2は、水素原子、ハロゲン原子またはハロゲンで置換されていてもよい低級アルキル基を示し、該「ハロゲン原子」、「ハロゲン」および「低級アルキル基」としては、上記R1と同様なものが挙げられ、低級アルキル基は置換可能な位置で1個以上、好ましくは1〜3個のハロゲンによって置換されていてよい。 R2 represents a hydrogen atom, a halogen atom or a lower alkyl group which may be substituted with a halogen. Examples of the “halogen atom”, “halogen” and “lower alkyl group” include those similar to the above R1. The lower alkyl group may be substituted with 1 or more, preferably 1 to 3 halogens at substitutable positions.
R3は、ハロゲン原子、シアノ基、ニトロ基、ハロゲンで置換されていてもよい低級アルキル基、ハロゲンまたは低級アルキル基で置換されていてもよい低級シクロアルキル基、ハロゲンで置換されていてもよい低級アルケニル基、ハロゲンで置換されていてもよい低級アルキニル基、ハロゲンで置換されていてもよい低級アルコキシ基、低級アルキルチオ基、低級アルキルスルフィニル基、低級アルキルスルホニル基、アミノ基、低級アルキルアミノ基またはジ低級アルキルアミノ基を示す。該「ハロゲン原子」、「ハロゲン」、「低級アルキル基」および「低級アルコキシ基」としては、上記R1と同様なものが挙げられる。これらの低級アルキル基および低級アルコキシ基も、置換可能な位置で、1個以上、好ましくは1〜3個のハロゲンによって置換されていてよい。
上記低級シクロアルキル基における「低級」とは炭素数が3〜6であることを意味する。低級アルコキシ基中の低級アルキル基部分および低級アルキル基は、直鎖状であっても分枝鎖状であってもよい。該「低級シクロアルキル基」としては、シクロプロピル、シクロブチル等が挙げられ、「低級アルケニル基」としては、エテニル、1−プロペニル、2−プロペニル、1,2−プロパジエニル、1−ブテニル、2−ブテニル、3−ブテニル、1,3−ブタジエニル等が挙げられ、「低級アルキニル」としては、エチニル、1−プロピニル、2−プロピニル、1−ブチニル、2−ブチニル等が挙げられる。
「低級アルキルチオ基」、「低級アルキルスルフィニル基」、「低級アルキルスルホニル基」、「低級アルキルアミノ基」および「ジ低級アルキルアミノ基」における「低級アルキル」としては、上記R1に記載した「低級アルキル基」と同様なものが挙げられる。
R3 represents a halogen atom, a cyano group, a nitro group, a lower alkyl group which may be substituted with a halogen, a lower cycloalkyl group which may be substituted with a halogen or a lower alkyl group, or a lower group which may be substituted with a halogen. Alkenyl group, lower alkynyl group optionally substituted with halogen, lower alkoxy group optionally substituted with halogen, lower alkylthio group, lower alkylsulfinyl group, lower alkylsulfonyl group, amino group, lower alkylamino group or di A lower alkylamino group is shown. Examples of the “halogen atom”, “halogen”, “lower alkyl group” and “lower alkoxy group” are the same as those described above for R1. These lower alkyl group and lower alkoxy group may also be substituted with one or more, preferably 1 to 3 halogens at substitutable positions.
“Lower” in the lower cycloalkyl group means 3 to 6 carbon atoms. The lower alkyl group moiety and the lower alkyl group in the lower alkoxy group may be linear or branched. Examples of the “lower cycloalkyl group” include cyclopropyl, cyclobutyl and the like, and examples of the “lower alkenyl group” include ethenyl, 1-propenyl, 2-propenyl, 1,2-propadienyl, 1-butenyl and 2-butenyl. , 3-butenyl, 1,3-butadienyl and the like, and “lower alkynyl” includes ethynyl, 1-propynyl, 2-propynyl, 1-butynyl, 2-butynyl and the like.
The “lower alkyl” in the “lower alkylthio group”, “lower alkylsulfinyl group”, “lower alkylsulfonyl group”, “lower alkylamino group” and “di-lower alkylamino group” is the “lower alkyl” described in R1 above. The same thing as "group" is mentioned.
Qで示される縮合複素環基としては、スルホニル尿素系除草剤抵抗性雑草に対する活性の高さから式Q1で表されるイミダゾ[1,2−b]ピリダジン基、式Q3で表されるピラゾロ[1,5−a]ピリミジン基および式Q4で表されるピラゾ[1,5−b]チアゾール基が好ましい。とりわけ、式Q1で表される基が特に好ましい。 The condensed heterocyclic group represented by Q includes an imidazo [1,2-b] pyridazine group represented by formula Q1 and a pyrazolo represented by formula Q3 because of its high activity against sulfonylurea herbicide-resistant weeds. A 1,5-a] pyrimidine group and a pyrazo [1,5-b] thiazole group represented by formula Q4 are preferred. In particular, the group represented by the formula Q1 is particularly preferable.
式(I)において、XおよびYは、同一または異なって、それぞれハロゲンで置換されていてもよい低級アルキル基、ハロゲンで置換されていてもよい低級アルコキシ基またはハロゲン原子を示す。これらの「ハロゲン」、「低級アルキル基」、「低級アルコキシ基」および「ハロゲン原子」としても、上記R1と同様なものが挙げられる。これらの低級アルキル基および低級アルコキシ基も、置換可能な位置で、1個以上、好ましくは1〜3個のハロゲンによって置換されていてよい。 In formula (I), X and Y are the same or different and each represents a lower alkyl group which may be substituted with halogen, a lower alkoxy group which may be substituted with halogen, or a halogen atom. As these “halogen”, “lower alkyl group”, “lower alkoxy group” and “halogen atom”, those similar to the above R 1 can be mentioned. These lower alkyl group and lower alkoxy group may also be substituted with one or more, preferably 1 to 3 halogens at substitutable positions.
R1としてはハロゲン原子が好ましく、中でも塩素がより好ましい。
R2としては、水素原子が好ましい。
R3としては、炭素数2−4のアルキル基または炭素数3−6のシクロアルキル基が好ましく、n−プロピル、シクロプロピルがより好ましい。
XおよびYとしてはハロゲンで置換されていてもよい低級アルコキシ基が好ましく、なかでもメトキシ基がより好ましい。
式(I)としては、QがQ1を表し、(a)R1がハロゲン原子またはハロゲンで置換されていてもよい低級アルキル基を、R2が水素原子、ハロゲン原子またはハロゲンで置換されていてもよい低級アルキル基を、R3がハロゲン原子、ハロゲンで置換されていてもよい低級アルキル基、ハロゲンまたは低級アルキル基で置換されていてもよい低級シクロアルキル基、ハロゲンで置換されていてもよい低級アルコキシ基、低級アルキルチオ基、低級アルキルスルフィニル基、低級アルキルスルホニル基、低級アルキルアミノ基またはジ低級アルキルアミノ基を、XおよびYが、それぞれハロゲンで置換されていてもよい低級アルキル基またはハロゲンで置換されていてもよい低級アルコキシ基を表すものが好ましく、さらに(b)R1がハロゲン原子またはハロゲンで置換されていてもよい低級アルキル基を、R2が水素原子を、R3がハロゲン原子、ハロゲンで置換されていてもよい低級アルキル基、ハロゲンまたは低級アルキル基で置換されていてもよい低級シクロアルキル基、ハロゲンで置換されていてもよい低級アルコキシ基、低級アルキルチオ基、低級アルキルスルフィニル基、低級アルキルスルホニル基、低級アルキルアミノ基またはジ低級アルキルアミノ基を、XおよびYが、それぞれハロゲンで置換されていてもよい低級アルコキシ基を表すものがより好ましく、なかでも(c)化合物No.1のような、R1がハロゲン原子を、R2が水素原子を、R3がC2−4アルキル基または低級シクロアルキル基を、XおよびYがそれぞれメトキシ基を表すものが特に好ましい。
R1 is preferably a halogen atom, and more preferably chlorine.
R2 is preferably a hydrogen atom.
R3 is preferably an alkyl group having 2 to 4 carbon atoms or a cycloalkyl group having 3 to 6 carbon atoms, and more preferably n-propyl or cyclopropyl.
X and Y are preferably a lower alkoxy group which may be substituted with a halogen, and more preferably a methoxy group.
In formula (I), Q represents Q1, (a) R1 represents a lower alkyl group which may be substituted with a halogen atom or halogen, and R2 may be substituted with a hydrogen atom, a halogen atom or halogen. A lower alkyl group, R3 is a halogen atom, a lower alkyl group which may be substituted with halogen, a lower cycloalkyl group which may be substituted with halogen or a lower alkyl group, a lower alkoxy group which may be substituted with halogen , A lower alkylthio group, a lower alkylsulfinyl group, a lower alkylsulfonyl group, a lower alkylamino group, or a di-lower alkylamino group, wherein X and Y are each substituted with a lower alkyl group or halogen optionally substituted with halogen. And a lower alkoxy group which may be A lower alkyl group which may be substituted with a hydrogen atom or a halogen atom, R2 is a hydrogen atom, R3 is a halogen atom, a lower alkyl group which may be substituted with a halogen, a halogen or a lower alkyl group A preferred lower cycloalkyl group, a lower alkoxy group optionally substituted with halogen, a lower alkylthio group, a lower alkylsulfinyl group, a lower alkylsulfonyl group, a lower alkylamino group or a di-lower alkylamino group, wherein X and Y are each What represents the lower alkoxy group which may be substituted by the halogen is more preferable. Particularly preferred are those in which R 1 represents a halogen atom, R 2 represents a hydrogen atom, R 3 represents a C 2-4 alkyl group or a lower cycloalkyl group, and X and Y each represent a methoxy group, such as 1.
式(I)で表される化合物の代表的な例としては、化合物No.1の他に、
(1)QがQ1、R1がエチル、R2が水素原子、R3がメチルチオ、XおよびYがメトキシの化合物、
(2)QがQ1、R1がメチル、R2が水素原子、R3がエチル、XおよびYがメトキシの化合物、
(3)QがQ1、R1がメチル、R2が水素原子、R3がエチルチオ、XおよびYがメトキシの化合物、
(4)QがQ1、R1がメチル、R2が水素原子、R3がメチルチオ、XおよびYがメトキシの化合物、
(5)QがQ2、R1がメチル、R2がエトキシ、XおよびYがメトキシの化合物、
(6)QがQ3、R1がメチル、R2が水素原子、R3がメトキシ、XおよびYがメトキシの化合物、
(7)QがQ3、R1がメチル、R2が水素原子、R3がエトキシ、XおよびYがメトキシの化合物、
(8)QがQ4、R1がメチルスルホニル、XおよびYがメトキシの化合物、
(9)QがQ1、R1がメチル、R2が水素原子、R3がn−プロピル、XおよびYがメトキシの化合物、
(10)QがQ1、R1が塩素原子、R2が水素原子、R3がエチル、XおよびYがメトキシの化合物、
(11)QがQ1、R1がメチル、R2が水素原子、R3がi−プロピル、XおよびYがメトキシの化合物、
(12)QがQ1、R1が塩素原子、R2が水素原子、R3がi−プロピル、XおよびYがメトキシの化合物、
(13)QがQ1、R1が塩素原子、R2が水素原子、R3がシクロプロピル、XおよびYがメトキシの化合物、
(14)QがQ1、R1がフッ素原子、R2が水素原子、R3がn−プロピル、XおよびYがメトキシの化合物が挙げられる。
Representative examples of the compound represented by the formula (I) include compound No. In addition to 1,
(1) a compound in which Q is Q1, R1 is ethyl, R2 is a hydrogen atom, R3 is methylthio, X and Y are methoxy,
(2) a compound in which Q is Q1, R1 is methyl, R2 is a hydrogen atom, R3 is ethyl, X and Y are methoxy,
(3) a compound in which Q is Q1, R1 is methyl, R2 is a hydrogen atom, R3 is ethylthio, X and Y are methoxy,
(4) a compound in which Q is Q1, R1 is methyl, R2 is a hydrogen atom, R3 is methylthio, X and Y are methoxy,
(5) a compound in which Q is Q2, R1 is methyl, R2 is ethoxy, X and Y are methoxy,
(6) a compound in which Q is Q3, R1 is methyl, R2 is a hydrogen atom, R3 is methoxy, X and Y are methoxy,
(7) a compound in which Q is Q3, R1 is methyl, R2 is a hydrogen atom, R3 is ethoxy, X and Y are methoxy,
(8) a compound wherein Q is Q4, R1 is methylsulfonyl, X and Y are methoxy,
(9) a compound wherein Q is Q1, R1 is methyl, R2 is a hydrogen atom, R3 is n-propyl, X and Y are methoxy,
(10) a compound in which Q is Q1, R1 is a chlorine atom, R2 is a hydrogen atom, R3 is ethyl, X and Y are methoxy,
(11) A compound in which Q is Q1, R1 is methyl, R2 is a hydrogen atom, R3 is i-propyl, X and Y are methoxy,
(12) a compound in which Q is Q1, R1 is a chlorine atom, R2 is a hydrogen atom, R3 is i-propyl, X and Y are methoxy,
(13) a compound in which Q is Q1, R1 is a chlorine atom, R2 is a hydrogen atom, R3 is cyclopropyl, X and Y are methoxy,
(14) A compound in which Q is Q1, R1 is a fluorine atom, R2 is a hydrogen atom, R3 is n-propyl, and X and Y are methoxy.
式(I)で表される化合物としては、特にR1が塩素、R2が水素原子、R3がn−プロピル、XおよびYがメトキシである式(III)
式(I)で表される化合物は、光学異性体、ジアステレオマーおよび/または幾何異性体が存在する場合があるが、本発明では活性な任意の異性体およびそれを含む異性体混合物を用いてもよい。 The compound represented by the formula (I) may exist as an optical isomer, a diastereomer and / or a geometric isomer. In the present invention, any active isomer and an isomer mixture containing the isomer are used. May be.
式(I)で表される化合物は、例えば、特開昭64−38091号および上記特許文献1に記載の方法に従って製造でき、化合物No.1製造の具体的方法を下記の参考例に示す。
式(I)で表される化合物が結晶の場合、結晶を晶出させる時の条件によって結晶多形や擬似結晶多形となり、同じ核磁気共鳴スペクトルを与える化学構造であっても異なる赤外吸収スペクトルを与える場合がある。本発明においては、この様な結晶多形や擬似結晶多形を示す化合物のそれぞれの結晶形のみならず、それらの混合結晶を用いてもよい。
The compound represented by the formula (I) can be produced, for example, according to the methods described in JP-A No. 64-38091 and Patent Document 1 described above. 1 A specific method of production is shown in the following reference example.
When the compound represented by the formula (I) is a crystal, it becomes a crystalline polymorph or a pseudocrystalline polymorph depending on the conditions for crystallizing the crystal, and different infrared absorptions even for chemical structures that give the same nuclear magnetic resonance spectrum May give a spectrum. In the present invention, not only each crystal form of the compound exhibiting such crystal polymorphism or pseudo-crystal polymorphism, but also a mixed crystal thereof may be used.
本発明の除草剤組成物は、有効成分として、式(I)で表される化合物と共に、式(II)で表されるピラクロニルを含有する。これに、さらに、(a)カーバメート系除草剤、(b)クロロアセトアニリド系除草剤、(c)トリアジン系除草剤、(d)酸アミド系または尿素系除草剤、および(e)その他の系統の除草剤から選ばれる少なくともいずれか1種の除草剤を混合してもよい。
カーバメート系除草剤としては、例えば、ジアレート(di-allate)、ブチレート(butylate)、トリアレート(tri-allate)、フェンメディファム(phenmedipham)、クロロプロファム(chlorpropham)、アシュラム(asulam)、フェニソファム(phenisopham)、ベンチオカーブ(benthiocarb)、モリネート(molinate)、エスプロカルブ(esprocarb)、ピリブチカルブ(pyributicarb)、ジメピペレート(dimepiperate)、スエップ(swep)等が挙げられる。
クロロアセトアニリド系除草剤としては、例えば、プロパクロール(propachlor)、メタザクロール(metazachlor)、アラクロール(alachlor)、アセトクロール(acetochlor)、メトラクロール(metolachlor)、ブタクロール(butachlor)、プレチラクロール(pretilachlor)、テニルクロール(theny1ch1or)等が挙げられる。
The herbicidal composition of the present invention contains pyraclonyl represented by the formula (II) as an active ingredient together with the compound represented by the formula (I). In addition, (a) carbamate herbicides, (b) chloroacetanilide herbicides, (c) triazine herbicides, (d) acid amide or urea herbicides, and (e) other strains of At least any one herbicide selected from herbicides may be mixed.
Carbamate herbicides include, for example, di-allate, butyrate, tri-allate, phenmedipham, chloropropham, asulam, phenicham ( Examples thereof include phenisopham, benthiocarb, molinate, esprocarb, pyributicarb, dimepiperate, and swep.
As the chloroacetanilide herbicide, for example, propachlor, metazachlor, alachlor, acetochlor, metolachlor, butachlor, pretilachlor, pretilachlor, And tenyl chlor (theny1ch1or).
トリアジン系除草剤としては、例えば、シマジン(simazine)、アトラジン(atrazine)、プロパジン(propazine)、シアナジン(cyanazine)、アメトリン(ametoryn)、シメトリン(simetryn)、ジメタメトリン(dimethametryn)、プロメトリン(prometryn)等が挙げられる。 Examples of triazine herbicides include simazine, atrazine, propazine, cyanazine, amethrin, simethrin, dimethametryn, promethrin and the like. Can be mentioned.
酸アミド系または尿素系除草剤としては、例えば、イソキサベン(Isoxaben)、ジフルフェニカン(diflufenican)、ジウロン(diuron)、リニュロン(linuron)、フルオメツロン(fluometuron)、ジフェノクスロン(difenoxuron)、メチルダイムロン(methyl-daimuron)、イソプロツロン(isoproturon)、イソウロン(isouron)、テブチウロン(tebuthiuron)、メタベンゾチアズウロン(methabenzthiazuron)、プロパニル(propanil)、メフェナセット(mefenacet)、クロメプロップ(clomeprop)、ナプロアニリド(naproanilide)、ブロモブチド(bromobutide)、ダイムロン(daimuron)、クミルロン(cumy1uron)、エトベンザニド(etobenzanid)等が挙げられる。 Acid amide or urea herbicides include, for example, isoxaben, diflufenican, diuron, linuron, fluometuron, difenoxuron, methyl-daimuron , Isoproturon, isoourturon, isbuton, tebuthiuron, methabenzthiazuron, propanil, mefenacet, clomeprop, naproanilide, bromoide, bromoide Examples include daimuron, cumyluron, and etobenzanid.
その他の系統の除草剤としては、例えば、ベンタゾン(bentazon)、トリジファン(tridiphane)、インダノファン(indanofan)、アミトロール(amitrole)、カルフェントラゾンエチル(carfentrazon-ethyl)、スルフェントラゾン(surfentrazon)、フェンクロラゾールエチル(fenchlorazole-ethyl)、フェントラザミド(fentrazamide)、イソキサフルトール(isoxaflutole)、クロマゾン(clomazone)、マレイン酸ヒドラジド(maleic hydrazide)、ピリデート(pyridate)、クロリダゾン(chloridazon)、ノルフルラゾン(norflurazon)、ピリチオバック(pyrithiobac)、ブロマシル(bromacil)、ターバシル(terbacil)、メトリブジン(metribuzin)、オキサジクロメホン(oxaziclomefone)、シンメチリン(cinmethylin)、フルミクロラックペンチル(flumiclorac-pentyl)、シニドンエチル(cinidon-ethyl)、フルミオキサジン(flumioxazin)、フルチアセットメチル(fluthiacet-methyl)、アザフェニジン(azafenidin)、べンフレセート(benfuresate)、オキサジアゾン(oxadiazon)、オキサジアルギル(oxadiargy1)、ペントキサゾン(pentoxazone)、シハロホップブチル(cyhalofop-butyl)、カフェンストロール(cafenstrole)、ピリミノバックメチル(pyriminobac-methy1)、ビスビリバックナトリウム(bispyribac-sodium)、ピリミスルファン(pyrimisulfan)、ピリベンゾキシム(pyribenzoxim)、ピリフタリド(pyriftalid)、インダノファン(indanofan)、ACN、ベンゾビシクロン(bennzobicyclon)、ジチオピル(dithiopyr)、ダラポン(da1apon)、クロルチアミド(chlorthiamid)、ペノキススラム(penoxsulam)等が挙げられる。 Other herbicides include, for example, bentazon, tridiphane, indanofan, amitrole, carfentrazon-ethyl, sulfentrazone (surfentrazon), Fenchlorazole-ethyl, fentrazamide, fentrazamide, isoxaflutole, clomazone, maleic hydrazide, pyridate, chloridazon, norflurazon , Pyrithiobac, bromacil, terbacil, metribuzin, oxaziclomefone, cinmethylin, flumiclorac-pentyl, cinidon-ethyl, flumioxazin (flumioxazin), fluthiacet-met hyl), azafenidin, benfuresate, oxadiazon, oxadiargy1, pentoxazone, cyhalofop-butyl, cafenstrole, pyriminobac -methy1), bispyribac-sodium, pyrimisulfan, pyribenzoxim, pyrifalid, indanofan, ACN, bennzobicyclon, dithiopyr, Examples include dalapon, chlorthiamid, penoxsulam and the like.
本発明の除草剤組成物は、一般の農薬のとりうる形態、すなわち、上記有効成分を適当な液体担体に溶解するか分散させるか、または適当な固体担体と混合するか吸着させ、例えば、乳剤、油剤、噴霧剤、水和剤、粉剤、DL(ドリフトレス)型粉剤、粒剤、微粒剤、微粒剤F、フロアブル剤、ドライフロアブル剤、ジャンボ粒剤、錠剤などの製剤として使用する。これらの製剤は必要に応じ、乳化剤、分散剤、展着剤、浸透剤、湿潤剤、粘漿剤、安定剤などを添加してもよく、自体公知の方法で調製することができる。
使用する液体担体(溶剤)としては、例えば、水、アルコール類(例、メタノール、エタノール、1−プロパノール、2−プロパノール、エテレングリコール等)、ケトン類(例、アセトン、メチルエチルケトン等)、エーテル類(例、ジオキサン、テトラヒドロフラン、エチレングリコールモノメチルエーテル、ジエチレングリコールモノメチルエーテル、プロピレングリコールモノメチルエーテル等)、脂肪族炭化水素類(例、ケロシン、燃料油、機械油等)、芳香族炭化水素類(例、ベンゼン、トルエン、キシレン、ソルベントナフサ、メチルナフタレン等)、ハロゲン化炭化水素類(例、ジクロロメタン、クロロホルム、四塩化炭素等)、酸アミド類(例、ジメチルホルムアミド、ジメチルアセトアミド等)、エステル類(例、酢酸エチルエステル、酢酸ブチルエステル、脂肪酸グリセリンエステル等)、ニトリル類(例、アセトニトリル、プロピオニトリル等)などの溶媒が適当であり、これらは1種または2種以上を適当な割合で混合して使用する。固体担体(希釈・増量剤)としては、植物性粉末(例、大豆粉、タバコ粉、小麦粉、木粉等)、鉱物性粉末(例、カオリン、ベントナイト、酸性白土、クレイ等のクレイ類、滑石粉、ロウ石粉等のタルク類、珪藻土、雲母粉等のシリカ類等)、アルミナ、硫黄粉末、活性炭などが適当であり、これらは1種または2種以上を適当な割合で混合して使用する。該液体担体または固体担体は、製剤全体に対して通常約1〜99重量%程度、好ましくは約1〜80重量%程度用いることができる。
The herbicidal composition of the present invention is in a form that can be taken by general agricultural chemicals, that is, the active ingredient is dissolved or dispersed in a suitable liquid carrier, or mixed or adsorbed with a suitable solid carrier, for example, an emulsion. , Oils, sprays, wettable powders, powders, DL (driftless) type powders, granules, fine granules, fine granules F, flowables, dry flowables, jumbo granules, tablets and the like. These preparations may contain an emulsifier, a dispersant, a spreading agent, a penetrating agent, a wetting agent, a viscous agent, a stabilizer and the like, if necessary, and can be prepared by a method known per se.
Examples of the liquid carrier (solvent) to be used include water, alcohols (eg, methanol, ethanol, 1-propanol, 2-propanol, etherene glycol, etc.), ketones (eg, acetone, methyl ethyl ketone, etc.), ethers. (Eg, dioxane, tetrahydrofuran, ethylene glycol monomethyl ether, diethylene glycol monomethyl ether, propylene glycol monomethyl ether, etc.), aliphatic hydrocarbons (eg, kerosene, fuel oil, machine oil, etc.), aromatic hydrocarbons (eg, benzene) , Toluene, xylene, solvent naphtha, methylnaphthalene, etc.), halogenated hydrocarbons (eg, dichloromethane, chloroform, carbon tetrachloride, etc.), acid amides (eg, dimethylformamide, dimethylacetamide, etc.), esters (eg, Acetic acid Suitable solvents include chill esters, butyl acetates, fatty acid glycerin esters, etc.) and nitriles (eg, acetonitrile, propionitrile, etc.), and these may be used alone or in admixture of two or more. . Solid carriers (dilution / extension agents) include vegetable powders (eg, soybean powder, tobacco powder, wheat flour, wood powder, etc.), mineral powders (eg, kaolin, bentonite, acid clay, clays such as clay, talc Talc such as powder, wax stone powder, silica such as diatomaceous earth, mica powder, etc.), alumina, sulfur powder, activated carbon, etc. are suitable, and these are used by mixing one kind or two kinds or more in an appropriate ratio. . The liquid carrier or solid carrier is usually used in an amount of about 1 to 99% by weight, preferably about 1 to 80% by weight, based on the whole preparation.
乳化剤、展着剤、浸透剤、分散剤等として使用される界面活性剤としては、必要に応じて石鹸類、ポリオキシエチレンアルキルアリールエーテル類(例、ノイゲンTM、イー・エー142(E・A142TM、TMは登録商標であることを示す。以下同様);第一工業製薬(株)製)、ポリオキシエチレンアリールエステル類(例、ノナールTM;東邦化学(株)製)、アルキル硫酸塩類(例、ユマール10TM、ユマール40TM;花王(株)製)、アルキルスルホン酸塩類(例、ネオゲンTM、ネオゲンTTM;第一工業製薬(株)製、ネオペレックスTM;花王(株)製)、ポリエチレングリコールエーテル類(例、ノニポール85TM、ノニポール100TM、ノニポール160TM;三洋化成(株)製)、多価アルコールエステル類(例、ツイーン20TM、ツイーン80TM;花王(株)製)などの非イオン系およびアニオン系界面活性剤が用いられる。該界面活性剤は、製剤全体に対して、通常0.1〜約50重量%程度、好ましくは約0.1〜25重量%程度用いることができる。
式(I)で表される化合物の除草剤組成物中の配合量は乳剤、水和剤などは1から90重量%程度が適当であり、油剤、粉剤、DL(ドリフトレス)型粉剤などとしては0.01〜10重量%程度が適当であり、微粒剤F、粒剤としては0.05〜10重量%程度が適当である。
また、ピラクロニルの除草剤組成物中の配合量も組成物の剤形により変わるが、通常、式(I)で表される化合物とピラクロニルとを重量比1:0.1〜50、好ましくは1:0.1〜1:40、より好ましくは1:0.25〜1:20、さらに好ましくは1:0.25〜1:8の割合で配合することにより所望の相乗効果が得られる。
乳剤、水和剤などは使用に際して、水などで適宜希釈増量(例えば100〜100,000倍)して散布する。
Surfactants used as emulsifiers, spreading agents, penetrants, dispersants and the like include soaps and polyoxyethylene alkylaryl ethers (eg, Neugen TM , EA 142 (E / A 142) as necessary. TM and TM are registered trademarks. The same applies hereinafter; manufactured by Daiichi Kogyo Seiyaku Co., Ltd.), polyoxyethylene aryl esters (eg, Nonal TM ; manufactured by Toho Chemical Co., Ltd.), alkyl sulfates ( examples, Yumaru 10 TM, Yumaru 40 TM; manufactured by Kao Corporation), alkyl sulfonates (e.g., Neogen TM, Neogen T TM; Dai-ichi Kogyo Seiyaku Co., Ltd., NEOPELEX TM; manufactured by Kao Corporation) , polyethylene glycol ethers (e.g., Nonipol 85 TM, Nonipol 100 TM, Nonipol 160 TM; manufactured by Sanyo Chemical Co.), a polyhydric alcohol Glycol ester compounds (e.g., Tween 20 TM, 80 TM Tween, manufactured by Kao Corporation) is a non-ionic and anionic surfactants like. The surfactant can be used usually in an amount of about 0.1 to about 50% by weight, preferably about 0.1 to 25% by weight, based on the whole preparation.
The amount of the compound represented by formula (I) in the herbicidal composition is suitably about 1 to 90% by weight for emulsions, wettable powders, etc., and as oils, powders, DL (driftless) type powders, etc. Is suitably about 0.01 to 10% by weight, and about 0.05 to 10% by weight is suitable for the fine granules F and granules.
Moreover, although the compounding quantity in the herbicide composition of a pyraclonil changes also with the dosage form of a composition, normally, the weight ratio of the compound represented by a formula (I) and pyraclonil is 1: 0.1-50, Preferably it is 1. : 0.1 to 1:40, more preferably 1: 0.25 to 1:20, and still more preferably 1: 0.25 to 1: 8.
Emulsions, wettable powders, and the like are sprayed by appropriately diluting them with water or the like (for example, 100 to 100,000 times).
本発明の除草剤組成物は、特に、水稲の湛水直播時、乾田直播時、または直播後、水稲移植時または移植後に施用することにより水稲に対して極めて優れた選択性を有し、スルホニル尿素系除草剤抵抗性雑草に高い除草効果を示す。また、畑地雑草用としても使用でき、発芽前土壌処理あるいは茎葉兼土壌処理剤として、例えば、本発明の除草剤組成物は処理後2〜3週間後でも薬害が発現することなく安全に使用できる。
本発明の除草方法は、式(I)で表される化合物とピラクロニルとを併用するものであり、本発明の除草剤組成物を散布するか、または式(I)で表される化合物を含有する除草剤組成物および式(II)で表されるピラクロニルを含有する除草剤組成物を同時に散布するか、または式(I)で表される化合物を含有する除草剤組成物および式(II)で表されるピラクロニルを含有する除草剤組成物の一方を散布した後にもう一方の除草剤組成物を散布することにより行われる。
その際の散布量は、適用場面、適用時期、施用方法、対象雑草、栽培作物等により異なるが一般に有効成分(式(I)で表される化合物とピラクロニルの合計量)として水田1ヘクタール当たり約10gから600g、好ましくは約20gから300g、畑地1ヘクタール当たり約10gから2000g、好ましくは約15gから1000gである。
The herbicidal composition of the present invention has a particularly excellent selectivity for paddy rice by application at the time of direct sowing of paddy rice, direct sowing of dry rice, or after direct sowing, transplanting of rice or after transplanting. High herbicidal effect on urea-based herbicide-resistant weeds. It can also be used for upland weeds, and as a pre-emergence soil treatment or foliage / soil treatment agent, for example, the herbicidal composition of the present invention can be used safely without phytotoxicity even after 2-3 weeks after treatment. .
The herbicidal method of the present invention uses a compound represented by formula (I) and pyraclonil in combination, and sprays the herbicidal composition of the present invention or contains the compound represented by formula (I). The herbicidal composition and the herbicidal composition containing pyraclonil represented by formula (II) or the herbicidal composition containing the compound represented by formula (I) and formula (II) After spraying one of the herbicide compositions containing Pyraclonil, the other herbicide composition is sprayed.
The application amount varies depending on the application scene, application time, application method, target weeds, cultivated crops, etc., but is generally about 1 hectare per paddy field as an active ingredient (the total amount of the compound represented by formula (I) and pyraclonil). 10 to 600 g, preferably about 20 to 300 g, about 10 to 2000 g, preferably about 15 to 1000 g per hectare of the field.
本発明の除草剤組成物は、必要に応じて、植物生長調節剤、殺菌剤、殺虫剤、殺ダニ剤、殺線虫剤等と同時に施用することができる。また、植物生長調節剤、殺菌剤、殺虫剤、殺ダニ剤、殺線虫剤等を配合し、混合使用することもできる。
植物生長調節剤(植物生長調節活性成分)としては、例えば、ヒメキサゾール(hymexazo1)、パクロブトラゾール(pac1obutrazo1)、ウニコナゾール−P(uniconazole-P)、イナベンフィド(inabenfide)、プロヘキサジオンカルシウム(prohexadione-ca1cium)等が挙げられる。
殺菌剤(殺菌活性成分)としては、例えば、(1)ポリハロアルキルチオ系殺菌剤[キャプタン(captan)等]、(2)有機リン系殺菌剤[IBP、EDDP、トルクロフォスメチル(tolc1ofos-methy1)等]、(3)ベンズイミダゾール系殺菌剤[べノミル(benomyl)、カルベンダジム(carbendazim)、チオファネートメチル(thiophanate-methy1)等]、(4)カルボキシアミド系殺菌剤[メプロニル(meproni1)、フルトラニル(f1uto1anil)、チフルザミド(thifluzamid)、フラメトピル(furametpyr)、テクロフタラム(tec1oftha1am)、ペンシクロン(Pencycuron)、カルプロパミド(carpropamid)、ジクロシメット(dic1ocymet)等]、(5)アシルアラニン系殺菌剤[メタラキシル(metalaxy1)等]、(6)アゾール系殺菌剤[トリフルミゾール(triflumizo1e)、イプコナジール(ipconazo1e)、ペフラゾエート(pefurazoate)、プログロラズ(proch1oraz)等]、(7)メトキシアクリル酸系殺菌剤[アゾキシストロビン(azoxystrobin)、メトミノストロビン(metominostrobin)等]、(8)抗生物質系殺菌剤[バリダマイシンA(validamycin A)、ブラストサイジンS(blasticidin S)、カスガマイシン(kasugamycin)、ポリオキシン(po1yoxin)等]、(9)その他の殺菌剤[フサライド(fthalide)、プロベナゾール(probenazo1e)、イソプロチオラン(isoprothiolane)、トリジクラゾール(tricyclazole)、ピロキロン(pyroqui1n)、フェリムゾン(ferimzone)、アシベンゾラルSメチル(acibnzolar S-methy1)、ジクロメジン(dic1omezine)、オキソリニック酸(oxo1inic acid)、フェナジンオキシド(phenazine oxide)、TPN、イプロジオン(iprodione)等]等が挙げられる。
The herbicidal composition of the present invention can be applied simultaneously with a plant growth regulator, a fungicide, an insecticide, an acaricide, a nematicide and the like, if necessary. In addition, plant growth regulators, fungicides, insecticides, acaricides, nematicides and the like can be blended and used.
Examples of plant growth regulators (plant growth regulating active ingredients) include, for example, hymexazole (hymexazo1), paclobutrazole (pac1obutrazo1), uniconazole-P (uniconazole-P), inabenfide (inabenfide), prohexadione- ca1cium).
As bactericides (bactericidal active ingredients), for example, (1) polyhaloalkylthio fungicides [captan etc.], (2) organophosphorus fungicides [IBP, EDDP, tolc1ofos-methy1) Etc.], (3) benzimidazole fungicides [benomyl, carbendazim, thiophanate methyl (thiophanate-methy1), etc.], (4) carboxamide fungicides [meproni1, flutolanil (f1uto1anil) ), Thifluzamid, furametpyr, teclophthalam (tec1oftha1am), pencyclon (Pencycuron), carpropamid, diclosimet (dic1ocymet, etc.)], (5) acylalanine fungicides [metalaxyl (metalaxy1), etc.] (6) Azole fungicides [triflumizo1e, ipconazo1e, pefurazoate, prochloraz, etc.] (7) Methoxyacrylic acid fungicides [azoxystrobin, mettominostrobin, etc.], (8) Antibiotic fungicides [validamycin A, blasticidin S (blasticidin S) ), Kasugamycin, polyoxin (po1yoxin, etc.), (9) other fungicides [fthalide, probenazo1e, isoprothiolane, tricyclazole, pyroquiron, ferrimzone (ferimzone), acibnzolar S-methy1, dic1omezine, oxo1inic acid, phenazine oxide, TPN, iprodione, and the like.
殺虫剤(殺虫活性成分)としては、例えば、(1)有機リン系殺虫剤[フェンチオン(fenthion)、フエニトロチオン(fenitrothion)、ピリミホスメチル(pirimiphos-methy1)、ダイアジノン(diazinon)、キナルホス(quinalphos)、イソキサチオン(isoxathion)、ピリダフェンチオン(Pyridafenthion)、クロルピリホスメチル(chlorpyrifos-methyl)、バミドチオン(vamidothion)、マラチオン(malathion)、フェントエート(phenthoate)、ジメトエート(dimethoate)、ジスルホトン(disulfoton)、モノクロトホス(monocrotophos)、テトラクロルビンホス(tetrach1orvinphos)、クロルフェンビンホス(ch1orfenvinphos)、プロパホス(propaphos)、アセフェート(acephate)、トリクロルホン(trichlorphon)、EPN、ピラクロホス(pyraclorfos)等]、(2)カルバメート系殺虫剤[カルバリル(carbary1)、メトルカルブ(metolcarb)、イソプロカルブ(isoprocarb)、BPMC、プロポキスル(propoxur)、XMC、カルボフラン(carbofuran)、カルボスルファン(carbosulfan)、ベンフラガルブ(benfuracarb)、フラチオカルブ(furathiocarb)、メソミル(methomyl)、チオジカルブ(thiodicarb)等]、(3)合成ピレスロイド系殺虫剤[シクロプロトリン(cycloprothrin)、エトフェンプロックス(ethofenprox)等]、(4)ネライストキシン系殺虫剤[カルタップ(cartap)、ベンスルタップ(bensu1tap)、チオシクラム(thiocyclam)等]、(5)ネオニコチノイド系殺虫剤[イミダクロプリド(imidac1oprid)、ニテンピラム(nitenpyram)、アセタミプリド(acetamiprid)、チアメトキサム(thiamethoxam)、チアクロプリド(thiacloprid)、ジノテフラン(dinotefuran)、クロチアニジン(clothianidin)等]、(6)その他の殺虫剤[ブプロフェジン(buprofezin)、テブフェノジド(tebufenozide)、フィプロニル(fiproni1)、エチプロール(ethiprole)等]等が挙げられる。
殺ダニ剤(殺ダニ活性成分)としては、例えば、ヘキシチアゾクス(hexythiazox)、ピリダベン(pyridaben)、フェンピロキシメート(fenpyroximate)、テブフェンピラド(tebufenpyrad)、クロルフェナピル(chlorfenapyr)、エトキサゾール(etoxazole)、ピリミジフェン(Pyrimidifen)等があげられる。
殺線虫剤(殺線虫活性成分)としては、例えば、フォスチアゼート(fosthiazate)等が挙げられる。
Insecticides (insecticidal active ingredients) include, for example, (1) organophosphorus insecticides [fenthion, fenitrothion, pirimiphos-methy1, diazinon, quinalphos, isoxathion ( isoxathion), pyridafenthion, chlorpyrifos-methyl, bamidothion, malathion, phenthoate, dimethoate, disulfoton, monocrotophos, monocrotophos, monocrotophos Phos (tetrach1orvinphos), chlorfenvinphos (ch1orfenvinphos), propaphos (propaphos), acephate (acephate), trichlorphon (trichlorphon), EPN, pyraclorfos (pyraclorfos) etc.], (2) carbamate insecticide [carbaryl (carbary1), Metolcarb, isoprocarb, BPMC, Propoxur, XMC, carbofuran, carbosulfan, benfuracarb, furathiocarb, methomyl, thiodicarb, etc.], (3) synthetic pyrethroid insecticides [ Cycloprothrin, etofenprox, etc.], (4) nereistoxin insecticides [cartap, bensu1tap, thiocyclam, etc.], (5) neonicotinoids Insecticides [imidacloprid (imidac1oprid), nitenpyram (nitenpyram), acetamiprid (acetamiprid), thiamethoxam (thiamethoxam), thiacloprid, dinotefuran (dinotefuran), clothianidin (clothianidin, etc.), insecticide (6) buprofezin), tebufenozide, fipronil, etiprol ethiprole), etc.], and the like.
Examples of acaricides (miticidal active ingredients) include hexythiazox, pyridaben, fenpyroximate, tebufenpyrad, chlorfenapyr, etoxazole, pyrimidifen and the like. can give.
Examples of the nematicide (nematicidal active ingredient) include fosthiazate and the like.
このような他の農薬活性成分(例、植物生長調節活性成分、殺菌活性成分、殺虫活性成分、殺ダニ活性成分、殺線虫活性成分など)は、組成物全体に対して通常約0.1〜20重量%程度、好ましくは約0.1〜10重量%程度用いることができる。
本発明の除草剤組成物には、さらに共力剤(例、ピペロニルブトキシド(piperonyl butoxide)等)、誘引剤(例、オイゲノール(eugenol)等)、忌避剤(例、クレオソート(creosote)等)、色素(例、食用青色1号等)、肥料(例、尿素等)等を適宜混合してもよい。
Such other agrochemical active ingredients (eg, plant growth regulating active ingredients, bactericidal active ingredients, insecticidal active ingredients, acaricidal active ingredients, nematicidal active ingredients, etc.) are usually about 0.1 to the total composition. About 20% by weight, preferably about 0.1-10% by weight can be used.
The herbicidal composition of the present invention further includes a synergist (e.g., piperonyl butoxide), an attractant (e.g., eugenol), a repellent (e.g., creosote), A pigment (eg, Food Blue No. 1 etc.), a fertilizer (eg, urea, etc.) and the like may be mixed as appropriate.
以下に、参考例、製剤例および試験例を挙げて本発明をさらに詳しく説明するが、本発明はこれらに限定されるものではない。なお、製剤例中、部とあるは、いずれも重量部を意味する。 Hereinafter, the present invention will be described in more detail with reference to Reference Examples, Formulation Examples, and Test Examples, but the present invention is not limited thereto. In the formulation examples, “part” means part by weight.
2−クロロ−6−n−プロピルイミダゾ[1,2−b]ピリダジンの合成
mp 未測定
1H NMR (CDCl3, δ): 1.01 (3H,t,J=7.3 Hz), 1.7-1.9 (2H,m), 2.79 (2H,t,J=7.6 Hz), 6.96 (1H,d,J=9.3 Hz), 7.75 (1H,d,J=9.3 Hz), 8.19 (1H,d,J=9.4 Hz)
Synthesis of 2-chloro-6-n-propylimidazo [1,2-b] pyridazine
mp not measured
1 H NMR (CDCl 3 , δ): 1.01 (3H, t, J = 7.3 Hz), 1.7-1.9 (2H, m), 2.79 (2H, t, J = 7.6 Hz), 6.96 (1H, d, J = 9.3 Hz), 7.75 (1H, d, J = 9.3 Hz), 8.19 (1H, d, J = 9.4 Hz)
2−クロロ−6−n−プロピルイミダゾ[1,2−b]ピリダジン−3−スルホンアミドの合成
mp 174-5℃
1H NMR (DMSO-d6, δ): 0.96 (3H,t,J=7.4 Hz), 1.7-1.9 (2H,m), 2.8-3.0 (2H,m), 7.53 (1H,d,J=9.5 Hz), 7.82 (2H,brs), 8.19 (1H,d,J=9.4 Hz)
IR (Nujol, cm-1) : 3377, 3324, 3189, 1545, 1364, 1322, 1187, 1166, 821, 680, 597
Synthesis of 2-chloro-6-n-propylimidazo [1,2-b] pyridazine-3-sulfonamide
mp 174-5 ℃
1 H NMR (DMSO-d 6 , δ): 0.96 (3H, t, J = 7.4 Hz), 1.7-1.9 (2H, m), 2.8-3.0 (2H, m), 7.53 (1H, d, J = 9.5 Hz), 7.82 (2H, brs), 8.19 (1H, d, J = 9.4 Hz)
IR (Nujol, cm -1 ): 3377, 3324, 3189, 1545, 1364, 1322, 1187, 1166, 821, 680, 597
1−(2−クロロ−6−n−プロピルイミダゾ[1,2−b]ピリダジン−3−イルスルホニル)−3−(4,6−ジメトキシピリミジン−2−イル)ウレア(化合物No.1)の合成
mp 199-201℃(dec.)
1H NMR (DMSO-d6, δ): 0.70(3H, t, J=7.3 Hz), 1.4-1.5(2H, m), 2.6-2.7(2H, m), 3.97(6H, s), 6.08(1H, s), 7.57(1H, d, J=9.4 Hz), 8.26(1H, d, J=9.4 Hz), 10.68(1H, brs), 13.4-13.5(1H, m).
IR (Nujol, cm-1) : 3643, 1720, 1703, 1607, 1573, 1453, 1359, 1324, 1290, 1199, 1162, 1016, 888, 840, 629, 589, 514.
1- (2-Chloro-6-n-propylimidazo [1,2-b] pyridazin-3-ylsulfonyl) -3- (4,6-dimethoxypyrimidin-2-yl) urea (Compound No. 1) Composition
mp 199-201 ℃ (dec.)
1 H NMR (DMSO-d 6 , δ): 0.70 (3H, t, J = 7.3 Hz), 1.4-1.5 (2H, m), 2.6-2.7 (2H, m), 3.97 (6H, s), 6.08 (1H, s), 7.57 (1H, d, J = 9.4 Hz), 8.26 (1H, d, J = 9.4 Hz), 10.68 (1H, brs), 13.4-13.5 (1H, m).
IR (Nujol, cm -1 ): 3643, 1720, 1703, 1607, 1573, 1453, 1359, 1324, 1290, 1199, 1162, 1016, 888, 840, 629, 589, 514.
小型ニーダーに化合物No.1 1.0部、ピラクロニル 2.4部、ネオコールYSK 0.5部、トキサノンGR31A 2.0部、クニゲルV1 30.0部、炭酸カルシウム 64.1部を投入後、混合、練合し、押し出し式造粒機(RG−5M、菊水製作所製)により造粒し、流動層乾燥機(MDB−400、不二パウダル製)で乾燥後、16〜48メッシュで篩過し、粒剤を製造した。 In a small kneader, compound no. 11.0 parts, 2.4 parts of pyraclonil, 0.5 parts of Neocol YSK, 2.0 parts of Toxanone GR31A, 30.0 parts of Kunigel V1 and 64.1 parts of calcium carbonate are added, mixed and kneaded, and an extrusion granulator (RG-5M, manufactured by Kikusui Seisakusho) And granulated by a fluidized bed dryer (MDB-400, manufactured by Fuji Powder Co., Ltd.), and then sieved with 16 to 48 mesh to produce granules.
化合物No.1 1.9部、ピラクロニル 4.1部、エチレングリコール 8.6部、アンチホームE−20 0.3部、ソルビン酸 0.1部、クニピアF 1.0部、ニューカルゲンFS−100 1.0部、ニューカルゲンFS−3EG 0.8部、モノゲンY−500 0.2部、ニューカルゲンRX−B 0.2部、セロゲン7A 1.0部を水80.8部と混合し、ホモミキサーにて分散した後、これら混合物をダイノミル(シンマルエンタープライゼス製、1.0mmガラスビーズ、充填率85%、周速10m/s)を用いて湿式粉砕(1パス)した。 Compound No. 1 1.9 parts, 4.1 parts of pyraclonyl, 8.6 parts of ethylene glycol, 0.3 part of antihome E-20, 0.1 part of sorbic acid, 1.0 part of Kunipia F, 1.0 part of Newkalgen FS-100, 0.8 part of Newkalgen FS-3EG, Monogen Y- 500 parts by weight, 0.2 parts of Neukalgen RX-B, 1.0 part of Cellogen 7A were mixed with 80.8 parts of water and dispersed with a homomixer, and then the mixture was mixed with Dinomill (Shinmaru Enterprises, 1.0 mm glass beads, filling rate 85%, peripheral speed 10 m / s).
化合物No.1 2.4部、ピラクロニル 5.3部、マイクロスフィアF−80E(プラスチック中空体) 2.4部、オルフィンE1010 3.0部、トキサノンGR−31A 2.0部、トリポリリン酸ナトリウム 5.0部、セロゲン7A 3.0部、クニゲルV1 10.0部、炭酸カルシウム 66.9部を混合し、所定量の水を加え練合し、1.5mmのスクリーンを装着した押し出し式造粒機(RG−5M、菊水製作所製)により造粒し、流動層乾燥機(MDB−400、不二パウダル製)で乾燥し、粒剤を得た。 Compound No. 1 2.4 parts, Pyraclonil 5.3 parts, Microsphere F-80E (plastic hollow body) 2.4 parts, Olphine E1010 3.0 parts, Toxanone GR-31A 2.0 parts, Sodium tripolyphosphate 5.0 parts, Serogen 7A 3.0 parts, Kunigel V1 10.0 parts, Carbonic acid Mix 66.9 parts of calcium, add a predetermined amount of water, knead, granulate with an extrusion granulator equipped with a 1.5 mm screen (RG-5M, manufactured by Kikusui Seisakusho), fluidized bed dryer (MDB- 400, manufactured by Fuji Powder Co., Ltd.) to obtain granules.
イヌビエに対する除草効果(温室内ポット試験)
230cm2プラスチック製ポットに土壌を詰め、イヌビエの種子を播き、その直後に、粒剤として製剤した供試化合物を1ヘクタール当たり所定薬量になるようにポット中にそれぞれ単独施用または混合施用した。
薬剤処理29日後にイヌビエに対する効果を観察評価(0:無作用〜100:完全枯死)により評価した。
結果を表1に示す。
Herbicidal effect on barnyard grass (pot test in greenhouse)
A 230 cm 2 plastic pot was filled with soil, seeds of Inobiae were sown, and immediately after that, the test compound formulated as a granule was individually or mixedly applied to the pot so as to have a predetermined dosage per hectare.
After 29 days of the drug treatment, the effect on the barnyard grass was evaluated by observational evaluation (0: no action to 100: complete death).
The results are shown in Table 1.
アメリカアサガオに対する除草効果(温室内ポット試験)
230cm2プラスチック製ポットに土壌を詰め、アメリカアサガオの種子を播き、その直後に、粒剤として製剤した供試化合物を1ヘクタール当たり所定薬量になるようにポット中にそれぞれ単独施用または混合施用した。
薬剤処理29日後にアメリカアサガオに対する効果を観察評価(0:無作用〜100:完全枯死)により評価した。
結果を表2に示す。
Herbicidal effect against American morning glory (pot test in greenhouse)
A 230 cm 2 plastic pot was filled with soil, seeds of American morning glory were sown, and immediately after that, the test compound formulated as a granule was applied individually or mixed in the pot so as to have a prescribed dose per hectare. .
The effect on American morning glory 29 days after drug treatment was evaluated by observational evaluation (0: no action to 100: complete death).
The results are shown in Table 2.
アゼナに対する除草効果(温室内ポット試験)
200cm2ワグネルポットに水田土壌を詰め、宮城県田尻町で採取したスルホニル尿素系除草剤抵抗性のアゼナの種子を播き、本葉1対期に達したとき,湛水を5cmとした後、供試化合物を含む薬剤希釈液を1ヘクタール当たり所定薬量になるようにポット中にそれぞれ単独施用または混合施用した。薬剤希釈液は化合物1gを、界面活性剤ツイーン20TM2%(W/V)を含むアセトン2Lに溶解し、水で希釈して全量を10Lとしたものである。
薬剤処理4週間後にアゼナに対する効果を観察評価(0:無作用〜100:完全枯死)により評価した。
結果を表3に示す。
Herbicidal effect on Azena (greenhouse pot test)
A 200cm 2 Wagner pot is filled with paddy soil, sulfonylurea herbicide-resistant Azena seeds collected in Tajiri-cho, Miyagi are sown. The drug dilution solution containing the test compound was applied individually or mixedly in the pot so that the prescribed amount per hectare was reached. The drug diluent is prepared by dissolving 1 g of compound in 2 L of acetone containing 2% (W / V) surfactant Tween 20 TM and diluting with water to a total volume of 10 L.
Four weeks after drug treatment, the effect on Azena was evaluated by observational evaluation (0: no action to 100: complete death).
The results are shown in Table 3.
コナギに対する除草効果(温室内ポット試験)
100cm2プラスチック製ポットに水田土壌を詰め、山形県遊佐町で採取したスルホニル尿素系除草剤抵抗性のコナギの種子を播き、1葉期に達したとき,湛水を5cmとした後、供試化合物を含む薬剤希釈液を1ヘクタール当たり所定薬量になるようにポット中にそれぞれ単独施用または混合施用した。薬剤希釈液は化合物1gを、界面活性剤ツイーン20TM2%(W/V)を含むアセトン2Lに溶解し、水で希釈して全量を10Lとしたものである。
薬剤処理4週間後にコナギに対する効果を観察評価(0:無作用〜100:完全枯死)により評価した。
結果を表4に示す。
Herbicidal effect on Japanese oak (greenhouse pot test)
Fill 100cm 2 plastic pot with paddy field soil, seed sulfonylurea herbicide resistant Konagi seeds collected in Yusa-cho, Yamagata Prefecture, and when it reaches the 1st leaf stage, set the water to 5cm, then test The drug diluent containing the compound was applied individually or mixed in the pot so as to have a predetermined dose per hectare. The drug diluent is prepared by dissolving 1 g of compound in 2 L of acetone containing 2% (W / V) surfactant Tween 20 TM and diluting with water to a total volume of 10 L.
Four weeks after drug treatment, the effect on snapper was evaluated by observational evaluation (0: no action to 100: complete death).
The results are shown in Table 4.
ブラックグラスに対する除草効果(温室内ポット試験)
φ8cm×6.5cmプラスチック製カップに土壌を詰め、ブラックグラスの種子を播き、1.5〜2葉期に達したとき、フロアブル剤あるいは乳剤として製剤した供試化合物の薬剤希釈液を1ヘクタール当たり所定薬量になるように調整し、単独でまたは混用後、ポット上部より500リットル/ヘクタールの水量で散布処理した。
薬剤処理1週間後にブラックグラスに対する効果を観察評価(0:無作用〜100:完全枯死)により評価した。
結果を表5に示す。
Herbicidal effect on blackgrass (greenhouse pot test)
φ8cm × 6.5cm plastic cup filled with soil, seeded with blackgrass seeds, and when 1.5-2 leaf stage is reached, drug dilution of test compound formulated as flowable or emulsion per hectare It adjusted so that it might become a predetermined | prescribed drug amount, and after spraying alone or mixing, it sprayed with the water amount of 500 liter / hectare from the pot upper part.
One week after drug treatment, the effect on black glass was evaluated by observation (0: no action to 100: complete death).
The results are shown in Table 5.
タイヌビエに対する除草効果(温室内ポット試験)
200cm2ワグネルポットに水田土壌を詰め、タイヌビエ種子を播き、2.2葉期に達したとき、湛水を5cmとした後、供試化合物を含む薬剤希釈液を1ヘクタール当たり所定薬量になるようにポット中にそれぞれ施用した。薬剤希釈液は化合物1.5gを、界面活性剤ツイーン20TM2%(W/V)を含むアセトン2Lに溶解し、水で希釈して全量を10Lとしたものである。
薬剤処理4週間後にタイヌビエに対する効果を表6に示す基準によって評価した。
Herbicidal effect on Tainubier (greenhouse pot test)
200cm 2 Wagner pot is filled with paddy field soil, seeds of Tainubie seeds are sown, and when 2.2 leaf stage is reached, the water is made 5cm, and then the drug diluted solution containing the test compound reaches a prescribed dose per hectare So that each was applied in the pot. The drug dilution solution is obtained by dissolving 1.5 g of a compound in 2 L of acetone containing 2% (W / V) surfactant Tween 20 ™ and diluting with water to make a total volume of 10 L.
Four weeks after drug treatment, the effect on Tainubier was evaluated according to the criteria shown in Table 6.
イヌホタルイ(京都府産)に対する除草効果(温室内ポット試験)
200cm2ワグネルポットに水田土壌を詰め、イヌホタルイ種子を播き、2.2葉期に達したとき,湛水を5cmとした後、供試化合物を含む薬剤希釈液を1ヘクタール当たり所定薬量になるようにポット中にそれぞれ施用した。薬剤希釈液は化合物1.5gを、界面活性剤ツイーン20TM2%(W/V)を含むアセトン2Lに溶解し、水で希釈して全量を10Lとしたものである。
薬剤処理4週間後にイヌホタルイに対する効果を表6に示す基準によって評価した。
結果を表8に示す。
Herbicidal effect on firefly (Kyoto Prefecture) (pot test in greenhouse)
200cm 2 Wagner pot is filled with paddy field soil, seeds of firefly firefly are sown, and when 2.2 leaf stage is reached, the amount of drenched water is 5cm, and then the drug diluted solution containing the test compound reaches the prescribed dose per hectare So that each was applied in the pot. The drug dilution solution is obtained by dissolving 1.5 g of a compound in 2 L of acetone containing 2% (W / V) surfactant Tween 20 ™ and diluting with water to make a total volume of 10 L.
Four weeks after drug treatment, the effect on dog firefly was evaluated according to the criteria shown in Table 6.
The results are shown in Table 8.
Claims (7)
XおよびYは、それぞれメトキシ基を示す。〕で表される化合物と、
式(II):
X and Y each represent a methoxy group. And a compound represented by
Formula (II):
XおよびYは、それぞれメトキシ基を示す。〕で表される化合物と、
式(II):
X and Y each represent a methoxy group. And a compound represented by
Formula (II):
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