JP4330313B2 - Tetrazoyloxime derivatives and pesticides containing them as active ingredients - Google Patents
Tetrazoyloxime derivatives and pesticides containing them as active ingredients Download PDFInfo
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- JP4330313B2 JP4330313B2 JP2002218035A JP2002218035A JP4330313B2 JP 4330313 B2 JP4330313 B2 JP 4330313B2 JP 2002218035 A JP2002218035 A JP 2002218035A JP 2002218035 A JP2002218035 A JP 2002218035A JP 4330313 B2 JP4330313 B2 JP 4330313B2
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- carbon atoms
- general formula
- represented
- alkyl group
- Prior art date
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- 239000004480 active ingredient Substances 0.000 title claims description 15
- 239000000575 pesticide Substances 0.000 title description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 70
- 125000000217 alkyl group Chemical group 0.000 claims description 68
- 201000010099 disease Diseases 0.000 claims description 35
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 35
- 125000003545 alkoxy group Chemical group 0.000 claims description 32
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 32
- 150000002923 oximes Chemical class 0.000 claims description 27
- 125000005843 halogen group Chemical group 0.000 claims description 25
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 18
- 125000003118 aryl group Chemical group 0.000 claims description 12
- 239000003905 agrochemical Substances 0.000 claims description 11
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 9
- 125000004442 acylamino group Chemical group 0.000 claims description 8
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 7
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 7
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 7
- 125000004170 methylsulfonyl group Chemical group [H]C([H])([H])S(*)(=O)=O 0.000 claims description 6
- 125000003342 alkenyl group Chemical group 0.000 claims description 5
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 5
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 5
- 125000003282 alkyl amino group Chemical group 0.000 claims description 4
- 125000003277 amino group Chemical group 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 125000000000 cycloalkoxy group Chemical group 0.000 claims description 4
- 125000004076 pyridyl group Chemical group 0.000 claims description 4
- 125000000051 benzyloxy group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])O* 0.000 claims description 3
- 125000004001 thioalkyl group Chemical group 0.000 claims description 3
- 125000005975 2-phenylethyloxy group Chemical group 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 85
- -1 specifically Chemical group 0.000 description 48
- 150000001875 compounds Chemical class 0.000 description 33
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 30
- 238000005160 1H NMR spectroscopy Methods 0.000 description 27
- 241000196324 Embryophyta Species 0.000 description 25
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 24
- 230000000694 effects Effects 0.000 description 19
- 238000000034 method Methods 0.000 description 19
- 239000012044 organic layer Substances 0.000 description 19
- 239000000243 solution Substances 0.000 description 17
- 239000000203 mixture Substances 0.000 description 16
- 238000012360 testing method Methods 0.000 description 15
- ZFFMHBULJWGCKI-UHFFFAOYSA-N n-[(3-fluorophenyl)methylidene]hydroxylamine Chemical compound ON=CC1=CC=CC(F)=C1 ZFFMHBULJWGCKI-UHFFFAOYSA-N 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 12
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 10
- DFOFVBAIHWDCNO-UHFFFAOYSA-N (1-methyltetrazol-5-yl)-phenylmethanone Chemical compound CN1N=NN=C1C(=O)C1=CC=CC=C1 DFOFVBAIHWDCNO-UHFFFAOYSA-N 0.000 description 9
- 229910052801 chlorine Inorganic materials 0.000 description 9
- 238000009472 formulation Methods 0.000 description 9
- 241000233866 Fungi Species 0.000 description 8
- 241000233679 Peronosporaceae Species 0.000 description 8
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 8
- 125000001309 chloro group Chemical group Cl* 0.000 description 8
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 8
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 240000003768 Solanum lycopersicum Species 0.000 description 7
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 7
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 7
- 230000001225 therapeutic effect Effects 0.000 description 7
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 6
- 206010035148 Plague Diseases 0.000 description 6
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 235000009754 Vitis X bourquina Nutrition 0.000 description 6
- 235000012333 Vitis X labruscana Nutrition 0.000 description 6
- 240000006365 Vitis vinifera Species 0.000 description 6
- 235000014787 Vitis vinifera Nutrition 0.000 description 6
- 241000607479 Yersinia pestis Species 0.000 description 6
- 235000019270 ammonium chloride Nutrition 0.000 description 6
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 6
- 239000012312 sodium hydride Substances 0.000 description 6
- 229910000104 sodium hydride Inorganic materials 0.000 description 6
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 6
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 6
- 239000004563 wettable powder Substances 0.000 description 6
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 5
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 5
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 5
- 229910052731 fluorine Inorganic materials 0.000 description 5
- 125000001153 fluoro group Chemical group F* 0.000 description 5
- 229910052740 iodine Inorganic materials 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 238000010898 silica gel chromatography Methods 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 231100000674 Phytotoxicity Toxicity 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 4
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 4
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- UQPMRYXCQSYBBP-LUAWRHEFSA-N (nz)-n-[(5-methyltetrazol-1-yl)-phenylmethylidene]hydroxylamine Chemical compound CC1=NN=NN1\C(=N/O)C1=CC=CC=C1 UQPMRYXCQSYBBP-LUAWRHEFSA-N 0.000 description 3
- 0 *c1cc(C(c2nnn[n]2*)=N*)ccc1 Chemical compound *c1cc(C(c2nnn[n]2*)=N*)ccc1 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 241000209140 Triticum Species 0.000 description 3
- 235000021307 Triticum Nutrition 0.000 description 3
- 125000004414 alkyl thio group Chemical group 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 235000019441 ethanol Nutrition 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- 244000000003 plant pathogen Species 0.000 description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 3
- 244000045561 useful plants Species 0.000 description 3
- QPUYECUOLPXSFR-UHFFFAOYSA-N 1-methylnaphthalene Chemical compound C1=CC=C2C(C)=CC=CC2=C1 QPUYECUOLPXSFR-UHFFFAOYSA-N 0.000 description 2
- 125000000590 4-methylphenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 description 2
- XZGLNCKSNVGDNX-UHFFFAOYSA-N 5-methyl-2h-tetrazole Chemical compound CC=1N=NNN=1 XZGLNCKSNVGDNX-UHFFFAOYSA-N 0.000 description 2
- 241000221198 Basidiomycota Species 0.000 description 2
- VJIOPMFAABGXNA-FLIBITNWSA-N CN1N=NN=C1\C(=N/O)C1=CC=CC=C1 Chemical compound CN1N=NN=C1\C(=N/O)C1=CC=CC=C1 VJIOPMFAABGXNA-FLIBITNWSA-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
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 241000221785 Erysiphales Species 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 241001330975 Magnaporthe oryzae Species 0.000 description 2
- VJIOPMFAABGXNA-UHFFFAOYSA-N N-[(1-methyltetrazol-5-yl)-phenylmethylidene]hydroxylamine Chemical compound CN1N=NN=C1C(=NO)C1=CC=CC=C1 VJIOPMFAABGXNA-UHFFFAOYSA-N 0.000 description 2
- JRNVZBWKYDBUCA-UHFFFAOYSA-N N-chlorosuccinimide Chemical compound ClN1C(=O)CCC1=O JRNVZBWKYDBUCA-UHFFFAOYSA-N 0.000 description 2
- 241000233654 Oomycetes Species 0.000 description 2
- 241000233622 Phytophthora infestans Species 0.000 description 2
- 241001281803 Plasmopara viticola Species 0.000 description 2
- 241000221662 Sclerotinia Species 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 238000007605 air drying Methods 0.000 description 2
- 150000003973 alkyl amines Chemical class 0.000 description 2
- 150000004996 alkyl benzenes Chemical class 0.000 description 2
- 125000005907 alkyl ester group Chemical group 0.000 description 2
- 125000005037 alkyl phenyl group Chemical group 0.000 description 2
- 125000004390 alkyl sulfonyl group Chemical group 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- 244000309464 bull Species 0.000 description 2
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 2
- 229910000024 caesium carbonate Inorganic materials 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 239000000417 fungicide Substances 0.000 description 2
- 238000011081 inoculation Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- PSHKMPUSSFXUIA-UHFFFAOYSA-N n,n-dimethylpyridin-2-amine Chemical compound CN(C)C1=CC=CC=N1 PSHKMPUSSFXUIA-UHFFFAOYSA-N 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- VTWKXBJHBHYJBI-UHFFFAOYSA-N n-benzylidenehydroxylamine Chemical compound ON=CC1=CC=CC=C1 VTWKXBJHBHYJBI-UHFFFAOYSA-N 0.000 description 2
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 125000003854 p-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Cl 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000003032 phytopathogenic effect Effects 0.000 description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000454 talc Substances 0.000 description 2
- 229910052623 talc Inorganic materials 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- YCINILUXMCQYTJ-UHFFFAOYSA-N (1-ethyltetrazol-5-yl)-phenylmethanone Chemical compound CCN1N=NN=C1C(=O)C1=CC=CC=C1 YCINILUXMCQYTJ-UHFFFAOYSA-N 0.000 description 1
- UVQRRQKBKMPQMJ-UHFFFAOYSA-N (2-methylphenyl)-(1-methyltetrazol-5-yl)methanone Chemical compound CC1=CC=CC=C1C(=O)C1=NN=NN1C UVQRRQKBKMPQMJ-UHFFFAOYSA-N 0.000 description 1
- AMDURGHTYKMVND-UHFFFAOYSA-N (3-methylphenyl)-(1-methyltetrazol-5-yl)methanone Chemical compound CC1=CC=CC(C(=O)C=2N(N=NN=2)C)=C1 AMDURGHTYKMVND-UHFFFAOYSA-N 0.000 description 1
- WQSJENDHZKOTEA-UHFFFAOYSA-N (4-chlorophenyl)-(1-methyltetrazol-5-yl)methanone Chemical compound CN1N=NN=C1C(=O)C1=CC=C(Cl)C=C1 WQSJENDHZKOTEA-UHFFFAOYSA-N 0.000 description 1
- AVDBEXQMEUQAPH-UHFFFAOYSA-N (4-fluorophenyl)-(1-methyltetrazol-5-yl)methanone Chemical compound CN1N=NN=C1C(=O)C1=CC=C(F)C=C1 AVDBEXQMEUQAPH-UHFFFAOYSA-N 0.000 description 1
- RRQPXEGZQQBSDS-UHFFFAOYSA-N (4-methoxyphenyl)-(1-methyltetrazol-5-yl)methanone Chemical compound C1=CC(OC)=CC=C1C(=O)C1=NN=NN1C RRQPXEGZQQBSDS-UHFFFAOYSA-N 0.000 description 1
- KQNOOTLKNZGKRQ-UHFFFAOYSA-N (4-methylphenyl)-(1-methyltetrazol-5-yl)methanone Chemical compound C1=CC(C)=CC=C1C(=O)C1=NN=NN1C KQNOOTLKNZGKRQ-UHFFFAOYSA-N 0.000 description 1
- 125000006274 (C1-C3)alkoxy group Chemical group 0.000 description 1
- VTWKXBJHBHYJBI-SOFGYWHQSA-N (ne)-n-benzylidenehydroxylamine Chemical compound O\N=C\C1=CC=CC=C1 VTWKXBJHBHYJBI-SOFGYWHQSA-N 0.000 description 1
- 125000004973 1-butenyl group Chemical group C(=CCC)* 0.000 description 1
- 125000004899 1-ethylpropylamino group Chemical group C(C)C(CC)N* 0.000 description 1
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- 125000004974 2-butenyl group Chemical group C(C=CC)* 0.000 description 1
- QRNATDQRFAUDKF-UHFFFAOYSA-N 2-carbamothioylsulfanylethyl carbamodithioate Chemical compound NC(=S)SCCSC(N)=S QRNATDQRFAUDKF-UHFFFAOYSA-N 0.000 description 1
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
- HXDLWJWIAHWIKI-UHFFFAOYSA-N 2-hydroxyethyl acetate Chemical compound CC(=O)OCCO HXDLWJWIAHWIKI-UHFFFAOYSA-N 0.000 description 1
- WDRCPKDLZOQCFU-UHFFFAOYSA-N 2-methyl-n-phenylpropanamide Chemical compound CC(C)C(=O)NC1=CC=CC=C1 WDRCPKDLZOQCFU-UHFFFAOYSA-N 0.000 description 1
- 125000004493 2-methylbut-1-yl group Chemical group CC(C*)CC 0.000 description 1
- 125000006024 2-pentenyl group Chemical group 0.000 description 1
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
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- JSPYCXNICXRGOB-UHFFFAOYSA-N n-[(4-methylphenyl)-(5-methyltetrazol-1-yl)methylidene]hydroxylamine Chemical compound CC1=NN=NN1C(=NO)C1=CC=C(C)C=C1 JSPYCXNICXRGOB-UHFFFAOYSA-N 0.000 description 1
- SRNDYVBEUZSFEZ-UHFFFAOYSA-N n-[(4-methylphenyl)methylidene]hydroxylamine Chemical compound CC1=CC=C(C=NO)C=C1 SRNDYVBEUZSFEZ-UHFFFAOYSA-N 0.000 description 1
- HMUYRMPWXNRSMC-UHFFFAOYSA-N n-[(4-methylsulfonylphenyl)-(5-methyltetrazol-1-yl)methylidene]hydroxylamine Chemical compound CC1=NN=NN1C(=NO)C1=CC=C(S(C)(=O)=O)C=C1 HMUYRMPWXNRSMC-UHFFFAOYSA-N 0.000 description 1
- PQWFPBVVLCIUCW-UHFFFAOYSA-N n-[(4-methylsulfonylphenyl)methylidene]hydroxylamine Chemical compound CS(=O)(=O)C1=CC=C(C=NO)C=C1 PQWFPBVVLCIUCW-UHFFFAOYSA-N 0.000 description 1
- WTLPAVBACRIHHC-UHFFFAOYSA-N n-[(4-nitrophenyl)methylidene]hydroxylamine Chemical compound ON=CC1=CC=C([N+]([O-])=O)C=C1 WTLPAVBACRIHHC-UHFFFAOYSA-N 0.000 description 1
- OUNAWNXTMKAPFT-UHFFFAOYSA-N n-[(4-phenylphenyl)methylidene]hydroxylamine Chemical compound C1=CC(C=NO)=CC=C1C1=CC=CC=C1 OUNAWNXTMKAPFT-UHFFFAOYSA-N 0.000 description 1
- GLFWAGOESAEXQF-UHFFFAOYSA-N n-[(4-tert-butylphenyl)-(5-methyltetrazol-1-yl)methylidene]hydroxylamine Chemical compound CC1=NN=NN1C(=NO)C1=CC=C(C(C)(C)C)C=C1 GLFWAGOESAEXQF-UHFFFAOYSA-N 0.000 description 1
- WVWXUAUBKHCCSV-UHFFFAOYSA-N n-[(4-tert-butylphenyl)methylidene]hydroxylamine Chemical compound CC(C)(C)C1=CC=C(C=NO)C=C1 WVWXUAUBKHCCSV-UHFFFAOYSA-N 0.000 description 1
- ZDKZBXCMCHLXMW-UHFFFAOYSA-N n-[(5-ethyltetrazol-1-yl)-phenylmethylidene]hydroxylamine Chemical compound CCC1=NN=NN1C(=NO)C1=CC=CC=C1 ZDKZBXCMCHLXMW-UHFFFAOYSA-N 0.000 description 1
- QFRULZWMOYYNML-UHFFFAOYSA-N n-[(5-methyltetrazol-1-yl)-(4-nitrophenyl)methylidene]hydroxylamine Chemical compound CC1=NN=NN1C(=NO)C1=CC=C([N+]([O-])=O)C=C1 QFRULZWMOYYNML-UHFFFAOYSA-N 0.000 description 1
- BRLMSSHDHBSKTK-UHFFFAOYSA-N n-[(5-methyltetrazol-1-yl)-[4-(trifluoromethyl)phenyl]methylidene]hydroxylamine Chemical compound CC1=NN=NN1C(=NO)C1=CC=C(C(F)(F)F)C=C1 BRLMSSHDHBSKTK-UHFFFAOYSA-N 0.000 description 1
- JORYCLWJZCIZNX-UHFFFAOYSA-N n-[4-(chloromethyl)-1,3-thiazol-2-yl]hexanamide Chemical compound CCCCCC(=O)NC1=NC(CCl)=CS1 JORYCLWJZCIZNX-UHFFFAOYSA-N 0.000 description 1
- SRHIIHHLMHRHLE-UHFFFAOYSA-N n-[6-(bromomethyl)pyridin-2-yl]hexanamide Chemical compound CCCCCC(=O)NC1=CC=CC(CBr)=N1 SRHIIHHLMHRHLE-UHFFFAOYSA-N 0.000 description 1
- MNDYDYTXPOFXLS-UHFFFAOYSA-N n-[[4-(trifluoromethyl)phenyl]methylidene]hydroxylamine Chemical compound ON=CC1=CC=C(C(F)(F)F)C=C1 MNDYDYTXPOFXLS-UHFFFAOYSA-N 0.000 description 1
- 125000003935 n-pentoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000005484 neopentoxy group Chemical group 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
- 230000008506 pathogenesis Effects 0.000 description 1
- 125000006340 pentafluoro ethyl group Chemical group FC(F)(F)C(F)(F)* 0.000 description 1
- 125000003538 pentan-3-yl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])[H] 0.000 description 1
- RNXTWHZDRBYVQE-UHFFFAOYSA-N pentyl n-[4-(chloromethyl)-1,3-thiazol-2-yl]carbamate Chemical compound CCCCCOC(=O)NC1=NC(CCl)=CS1 RNXTWHZDRBYVQE-UHFFFAOYSA-N 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- 125000000109 phenylethoxy group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])O* 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 231100000208 phytotoxic Toxicity 0.000 description 1
- 230000000885 phytotoxic effect Effects 0.000 description 1
- 239000005648 plant growth regulator Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 1
- 125000006308 propyl amino group Chemical group 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 125000005920 sec-butoxy group Chemical group 0.000 description 1
- 125000003548 sec-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 125000004213 tert-butoxy group Chemical group [H]C([H])([H])C(O*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000006318 tert-butyl amino group Chemical group [H]N(*)C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Plural Heterocyclic Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Description
【0001】
【発明の属する技術分野】
本発明は、新規なテトラゾイルオキシム誘導体及びこれを有効成分として含有する農薬、特に植物病害防除剤に関する。
【0002】
【従来の技術】
本発明者らの発明に係る特開平11−269176号公報(WO99/29689号公報、欧州特許公開第1038874号公報)及び特開2001−55387号公報(WO00/75138号公報、欧州特許公開第1184382号公報)には、ヘテロ環置換オキシム誘導体が植物病害防除剤として有用であることが報告されている。
【0003】
具体的には、特開平11−269176号公報(WO99/29689号公報、欧州特許公開第1038874号公報)には、一般式(A)
【0004】
【化8】
【0005】
[式中、R1は水素原子又は低級アルキル基を表わし、Xはハロゲン原子、ニトロ基、ヒドロキシ基、シアノ基、カルボキシル基、アルコキシカルボニル基、低級アルキル基、低級アルコキシ基、低級アルキルチオ基、低級アルキルスルホニル基、アリール基、アリールオキシ基又はアミノ基を表わし、nは0〜3の整数を表わし、HetAは、ハロゲン原子、低級アルキル基、低級アルキルチオ基、低級アルキルスルホニル基、低級アルコキシ基、トリフルオロメチル基又はシアノ基から成る群から選ばれる1個又は2個の置換基で置換されていてもよい、1個又は2個の窒素原子を含む6員環含窒素芳香環又はそのベンゾ縮合環型含窒素芳香環を表わし、HetBは、一般式
【0006】
【化9】
【0007】
、一般式
【化10】
【0008】
又は一般式
【化11】
【0009】
(式中、Yは水素原子、ハロゲン原子又は低級アルキル基を表わす。)のいずれかの環構造を表わす。]
で表わされるオキシム誘導体が開示されている。
【0010】
一方、特開2001−55387号公報(WO00/75138号公報、欧州特許公開第1184382号公報)には、一般式(B)
【0011】
【化12】
【0012】
[式中、HetAは下記の3つの式
【0013】
【化13】
【0014】
(式中、Qは水素原子、ハロゲン原子又は低級アルキル基を表わし、R1は水素原子、低級アルキル基、シクロアルキル基、低級アルケニル基、低級アルキニル基、アラルキル基又はアリール基を表わし、R2は水素原子又は低級アルキル基を表わす。)のいずれか1つで表わされる基を表わし、HetBは下記9つの式
【0015】
【化14】
【0016】
(式中、Yは水素原子又は低級アルキル基を表わし、R3は水素原子又は低級アルキル基を表わす。)のいずれか1つで表わされる基を示し、
HetCは下記の9つの式
【0017】
【化15】
【0018】
(式中、R4は水素原子又は低級アルキル基を表わし、Xは水素原子、ハロゲン原子、低級アルキル基、低級アルコキシ基又はシアノ基を表わし、Zは水素原子、ハロゲン原子又は低級アルキル基を表わし、nは0〜3の整数を表わす。)のいずれか1つで表わされる基である。]
で表わされるオキシム誘導体が開示されている。
【0019】
これらの特開平11−269176号公報(WO99/29689号公報、欧州特許公開第1038874号公報)及び特開2001−55387号公報(WO00/75138号公報、欧州特許公開第1184382号公報)に記載の各化合物は、植物病害に対して、かなりの防除効果を示すものの、より防除効果に優れた薬剤の開発が求められている。
【0020】
また、一方、文献(Bull.Soc.Chim.Belg.,96巻,675頁、1987年)には、本発明の請求項1に記載のテトラゾイルオキシム誘導体の合成中間体として有用な本発明の請求項9に記載の一般式(7)で表わされるテトラゾイルヒドロキシム誘導体に類似する化合物であって、前記一般式(7)において、X2が水素原子でY2がメチル基である化合物、X2が水素原子でY2がイソプロピル基である化合物、及びX2が塩素原子でY2がメチル基である化合物のみが記載されている。これらの3つの化合物は、反応機構の解明を目的とした研究で合成されたものであり、該文献において、これらの化合物を用いて本発明の請求項1に記載の一般式(1)で表わされるテトラゾイルオキシム誘導体が合成できることや、農薬の製造中間体として有用である等の記載を含めて該化合物の有用性についての記載は全くなかった。
【0021】
【発明が解決しようとする課題】
本発明が解決しようとする課題は、有用植物体に対する薬害が少なく、且つ、従来のヘテロ環置換オキシム誘導体よりも植物病害に対し優れた薬効を有するテトラゾイルオキシム誘導体を提供することにある。
【0022】
本発明が解決しようとするもう一つの課題は、上記テトラゾイルオキシム誘導体を有効成分として含有する植物病害の防除に優れた農薬を提供することにある。
【0023】
本発明が解決しようとするもう一つの課題は、上記テトラゾイルオキシム誘導体を製造するための中間体として有用なテトラゾイルヒロドキシム誘導体を提供することにある。
【0024】
【課題を解決するための手段】
本発明者らは、かかる課題を解決するため多くのテトラゾイルオキシム誘導体を合成すると共にそれらの生理活性を鋭意検討した結果、下記一般式(1)で表わされるテトラゾイルオキシム誘導体が有用植物に対する薬害の心配がなく、ごく低用量で極めて優れた植物病害の防除効果を示すことを見いだし、本発明を完成するに至った。
【0025】
即ち、本発明は上記課題を解決するために、一般式(1)
【0026】
【化16】
【0027】
[式中、Xは水素原子、ハロゲン原子、アルキル基、アルコキシ基、シアノ基、メタンスルホニル基、ニトロ基、トリフルオロメチル基又はアリール基を表わし、Aは一般式(2)
【0028】
【化17】
【0029】
(式中、Yはアルキル基を表わす)
で表わされるテトラゾイル基又は一般式(3)
【0030】
【化18】
【0031】
(式中、Yはアルキル基を表わす)
で表わされるテトラゾイル基を表わし、Hetは一般式(4)
【0032】
【化19】
【0033】
〔式中、Rは水素原子又はハロゲン原子を表わす。Zは水素原子、アミノ基、一般式QC(=O)NH−
(式中、Qは水素原子、炭素原子数1〜8のアルキル基、ハロゲン原子で置換された炭素原子数1〜6のアルキル基、炭素原子数3〜6のシクロアルキル基、炭素原子数1〜8のアルコキシル基、炭素原子数3〜6のシクロアルキルオキシ基、ベンジルオキシ基、2−フェニルエチルオキシ基、炭素原子数1〜4のアルキル基で置換されたチオアルキル基、炭素原子数1〜4のアルコキシル基で置換された炭素原子数1〜2のアルキル基、炭素原子数1〜4のアシルアミノ基で置換された炭素原子数1〜6のアルキル基、炭素原子数1〜4のアシルアミノ基で置換された炭素原子数1〜6のアルコキシ基、炭素原子数1〜8のアルキルアミノ基、炭素原子数2〜6のアルケニル基、アラルキル基又はフェニル基を表わす。)
で表わされる基を表わす。〕
で表わされるピリジル基又は一般式(5)
【0034】
【化20】
【0035】
(式中、R及びZは前記一般式(4)で定義した意味と同じ意味を表わす。)
で表わされるチアゾイル基を表わす。]
で表わされるテトラゾイルオキシム誘導体を提供する。
【0036】
また、本発明は上記課題を解決するために、前記一般式(1)で表わされるテトラゾイルオキシム誘導体の合成中間体として有用な一般式(6)
【0037】
【化21】
【0038】
(式中、X1は水素原子、ハロゲン原子、アルキル基又はアルコキシ基を表わし、Y1はアルキル基を表わす。)
で表わされるテトラゾイルヒドロキシイミノ誘導体及び一般式(7)
【0039】
【化22】
【0040】
(式中、X2はアルキル基、アルコキシ基、シアノ基、メタンスルホニル基、ニトロ基、トリフルオロメチル基又はアリール基を表わし、Y2はアルキル基を表わす。)
で表わされるテトラゾイルヒドロキシイミノ誘導体を提供する。
【0041】
さらに、本発明は上記課題を解決するために、前記一般式(1)で表わされるテトラゾイルオキシム誘導体を有効成分として含有する農薬、特に植物病害防除剤を提供する。
【0042】
【発明の実施の形態】
前記一般式(1)で表わされるテトラゾイルオキシム誘導体において、Xは、その置換位置に特に限定はなく、水素原子、ハロゲン原子、アルキル基、アルコキシ基、シアノ基、メタンスルホニル基、ニトロ基、トリフルオロメチル基又はアリール基を表わす。
【0043】
Xを表わすハロゲン原子としては、塩素原子、臭素原子、ヨウ素原子、フッ素原子が挙げられる。これらの中でも、Xが塩素原子又はフッ素原子である化合物が低薬害性で防除効果に優れるので、特に好ましい。
【0044】
Xを表わすアルキル基としては、炭素原子数1〜4のアルキル基が好ましく、具体的にはメチル基、エチル基、n−プロピル基、イソプロピル基、n−ブチル基、イソブチル基、sec−ブチル基、tert−ブチル基が挙げられる。これらの中でも、Xがメチル基又はtert−ブチル基である化合物が低薬害性で防除効果に優れるので、特に好ましい。
【0045】
また、Xを表わすアルコキシ基としては、炭素原子数1〜3のアルコキシ基が好ましく、具体的には、メトキシ基、エトキシ基、プロポキシ基、イソプロポキシ基が挙げられる。これらの中でも、Xがメトキシ基又はエトキシ基である化合物が低薬害性で防除効果に優れるので、特に好ましい。
【0046】
また、Xを表わすアリール基としては、フェニル基、4−メチルフェニル基、4−クロロフェニル基などが挙げられる。これらの中でも、Xがフェニル基である化合物が低薬害性で防除効果に優れるので、特に好ましい。
【0047】
これらの中でも、Xとして最も好ましいものは、水素原子である。
【0048】
前記一般式(2)又は前記一般式(3)で表わされるテトラゾイル基において、Yはアルキル基を表わす。アルキル基の中でも、メチル基、エチル基、n−プロピル基、イソプロピル基の如き炭素原子数1〜3のアルキル基が好ましい。これらの中でも、Yがメチル基又はエチル基である化合物が低薬害性で防除効果に優れるので、特に好ましい。
【0049】
前記一般式(4)で表わされるピリジル基におけるRは、水素原子;塩素原子、臭素原子、ヨウ素原子、フッ素原子の如きハロゲン原子を表わす。これらの中でも、Rが水素原子又は塩素原子である化合物が、低薬害性で防除効果に優れるので、特に好ましい。
【0050】
前記一般式(1)で表わされるテトラゾイルオキシム誘導体におけるHetは、前記一般式(4)で表わされるピリジル基又は前記一般式(5)で表わされるチアゾイル基のいずれかであり、前記一般式(4)及び前記一般式(5)におけるZは、水素原子、アミノ基又は一般式 QC(=O)NH で表わされる基を表わす。
【0051】
前記一般式 QC(=O)NH で表わされる基におけるQは、水素原子、低級アルキル基、ハロゲン原子で置換された低級アルキル基、炭素原子数3〜6のシクロアルキル基、ベンジルオキシ基、2−フェニルエチルオキシ基、炭素原子数1〜8のアルコキシ基、炭素原子数3〜6のシクロアルキルオキシ基、炭素原子数1〜6のアルコキシ基で置換された低級アルキル基、炭素原子数1〜4のアルキル基で置換されたチオアルキル基、炭素原子数1〜4のアシルアミノ基で置換された炭素原子数1〜6のアルキル基、炭素原子数1〜4のアシルアミノ基で置換された炭素原子数1〜6のアルコキシ基、炭素原子数1〜8のアルキルアミノ基、炭素原子数2〜6のアルケニル基、アラルキル基又はフェニル基を表わす。
【0052】
Qを表わす低級アルキル基としては、炭素原子数1〜8のアルキル基が好ましく、具体的には、メチル基、エチル基、n−プロピル基、イソプロピル基、1,1−ジメチルプロピル基、n−ブチル基、イソブチル基、sec−ブチル基、tert−ブチル基、イソアミル基、1−メチルブチル基、2−メチルブチル基、ネオペンチル基、1−エチルプロピル基、n−ペンチル基、ヘキシル基、ヘプチル基、オクチル基、などが挙げられる。
【0053】
Qを表わすハロゲン原子で置換された低級アルキル基としては、ハロゲン原子で置換された炭素原子数1〜6のアルキル基が好ましく、具体的には、クロロメチル基、ジフルオロメチル基、トリフルオロメチル基、ジフルオロクロロメチル基、ペンタフルオロエチル基、3,3,3−トリフルオロ−n−プロピル基、1-クロロヘキシル基、などが挙げられる。
【0054】
Qを表わす炭素原子数3〜6のシクロアルキル基としては、具体的には、シクロプロピル基、シクロブチル基、シクロペンチル基、シクロヘキシル基が挙げられる。
【0055】
Qを表わす炭素原子数1〜8のアルコキシ基としては、具体的には、メトキシ基、エトキシ基、プロポキシ基、イソプロポキシ基、1,1−ジメチルプロポキシ基、ブトキシ基、イソブトキシ基、sec−ブトキシ基、tert−ブトキシ基、イソペンチルオキシ基、1−メチルブトキシ基、2−メチルブトキシ基、ネオペンチルオキシ基、1−エチルプロポキシ基、n−ペンチルオキシ基、ヘキシルオキシ基、ヘプチルオキシ基、オクチルオキシ基、などが挙げられる。
【0056】
Qを表わす炭素原子数3〜6のシクロアルキルオキシ基としては、具体的には、シクロプロピルオキシ基、シクロブチルオキシ基、シクロペンチルオキシ基、シクロヘキシルオキシ基が挙げられる。
【0057】
Qを表わす炭素原子数1〜4のアルコキシ基で置換された炭素原子数1〜2のアルキル基としては、メトキシメチル基、エトキシメチル基、エトキシエチル基、ブトキシメチル基が挙げられる。
【0058】
Qを表わす炭素原子数1〜4のアルキル基で置換されたアルキルチオ基としては、具体的には、メチルチオメチル基、メチルチオエチル基、エチルチオメチル基、ブチルチオメチル基が挙げられる。
【0059】
Qを表わす炭素原子数1〜4のアシルアミノ基で置換された炭素原子数1〜6のアルコキシ基としては、具体的には、アセチルアミノメトキシ基、2-(プロピオニルアミノ)エトキシ基、3-(アセチルアミノ)プロポキシ基、3-(プロピオニルアミノ)プロポキシ基、3-(イソプロピオニルアミノ)プロポキシ基、3-(ブチロイルアミノ)プロポキシ基、3-(イソブチロイルアミノ)プロポキシ基、3-(sec−ブチロイルアミノ)プロポキシ基、3-(tert−ブチロイルアミノ)プロポキシ基、4-(アセチルアミノ)ブトキシ基、5-(アセチルアミノ)ペンチルオキシ基および6-(アセチルアミノ)ヘキシルオキシ基、などが挙げられる。
【0060】
Qを表わす炭素原子数1〜4のアシルアミノ基で置換された炭素原子数1〜6のアルキル基としては、具体的には、アセチルアミノメチル基、2-(プロピオニルアミノ)エチル基、3-(アセチルアミノ)プロピル基、3-(プロピオニルアミノ)プロピル基、3-(イソプロピオニルアミノ)プロピル基、3-(ブチロイルアミノ)プロピル基、3-(イソブチロイルアミノ)プロピル基、3-(sec−ブチロイルアミノ)プロピル基、3-(tert−ブチロイルアミノ)プロピル基、4-(アセチルアミノ)ブチル基、5-(アセチルアミノ)ペンチル基および6-(アセチルアミノ)ヘキシル基、などが挙げられる。
【0061】
Qを表わす炭素原子数1〜8のアルキルアミノ基としては、具体的には、メチルアミノ基、エチルアミノ基、プロピルアミノ基、イソプロピルアミノ基、ブチルアミノ基、イソブチルアミノ基、sec−ブチルアミノ基、tert−ブチルアミノ基、ネオペンチルアミノ基、1−エチルプロピルアミノ基、n−ペンチルアミノ基、ヘキシルアミノ基、ヘプチルアミノ基、オクチルアミノ基、などが挙げられる。
【0062】
Qを表わす炭素原子数2〜6のアルケニル基としては、具体的には、アリル基、イソプロペニル基、1−ブテニル基、2−ブテニル基、2−ペンテニル基、5−ヘキセニル基が挙げられる。
【0063】
Qを表わすアラルキル基としては、べンジル基、フェネチル基、などが挙げられる。
【0064】
前記一般式(6)で表わされるテトラゾイルヒドロキシム体におけるX1は水素原子、ハロゲン原子、アルキル基またはアルコキシ基を表わす。
【0065】
X1を表わすハロゲン原子としては、塩素原子、臭素原子、ヨウ素原子およびフッ素原子が挙げられる。これらの中でも、塩素又はフッ素原子が特に好ましい。
【0066】
X1を表わすアルキル基としては、炭素原子数1〜4のアルキル基が好ましく、具体的には、メチル基、エチル基、n−プロピル基、イソプロピル基、1,1−ジメチルプロピル基、n−ブチル基、イソブチル基、sec−ブチル基、tert−ブチル基などが挙げられる。これらの中でも、メチル基が特に好ましい。
【0067】
X1を表わすアルコキシ基としては、炭素原子数1〜3のアルコキ基が好ましく、具体的には、メトキシ基、エトキシ基、プロポキシ基、イソプロポキシ基などが挙げられる。これらの中でも、メチル基が特に好ましい。
【0068】
前記一般式(6)で表わされるテトラゾイルヒドロキシム体におけるY1はアルキル基を表わす。アルキル基の中でも、メチル基、エチル基、n−プロピル基、イソプロピル基の如き炭素原子数1〜3のアルキル基が好ましく、メチル基が特に好ましい。
【0069】
前記一般式(7)で表わされるテトラゾイルヒドロキシム体におけるX2は、アルキル基、アルコキシ基、シアノ基、メタンスルホニル基、ニトロ基、トリフルオロメチル基またはアリール基を表わす。
【0070】
X2を表わすアルキル基としては、メチル基、エチル基、n−プロピル基、イソプロピル基、1,1−ジメチルプロピル基、n−ブチル基、イソブチル基、sec−ブチル基、tert−ブチル基の如き炭素原子数1〜4のアルキル基が好ましく、これらの中でもメチル基又はtert−ブチル基が特に好ましい。
【0071】
X2を表わすアルコキシ基としては、メトキシ基、エトキシ基、プロポキシ基、イソプロポキシ基の如き炭素原子数1〜3のアルコキシ基が好ましく、これらの中でもメトキシ基が特に好ましい。
【0072】
X2を表わすアリール基としては、具体的には、フェニル基、4−メチルフェニル基および4−クロロフェニル基などが挙げられ、これらの中でもフェニル基が特に好ましい。
【0073】
Y2を表わすアルキル基としては、メチル基、エチル基、n−プロピル基、イソプロピル基の如き炭素原子数1〜3のアルキル基が好ましく、メチル基が特に好ましい。
【0074】
前記一般式(1)で表わされる化合物の中でも、Zが一般式
QC(=O)NH−
(式中、Qは炭素原子数1〜8のアルキル基又は炭素原子数1〜8のアルコキシル基を表わす。)で表わされる基であり、かつ、Hetが前記一般式(4)で表わされるピリジル基又は前記一般式(5)で表わされるチアゾイル基であるテトラゾイルオキシム誘導体が好ましく、かつ、Xが水素原子又はハロゲン原子であるテトラゾイルオキシム誘導体が特に好ましい。
【0075】
前記一般式(1)で表わされるテトラゾイルオキシム誘導体および前記一般式(6)又は前記一般式(7)で表わされるテトラゾイルヒドロキシイミノ誘導体に存在するオキシム部位には、(E)体と(Z)体の立体構造が存在し、これら2つの立体異性体およびその混合物はいずれも本発明に含まれる。通常、合成物は、(Z)体のみ、もしくは(E)体と(Z)体の混合物として得られる。(E)体と(Z)体の混合物から分離精製により2つの異性体を単離することができる。
【0076】
前記一般式(1)のテトラゾイルオキシム誘導体は、(Z)体が(E)体よりも植物病害の防除活性に優れる。しかしながら、(Z)体も自然環境下で、光などの作用により、一部が(E)体に変化し、(E)体と(Z)体の混合物として、ある一定比率で安定化する傾向にあるので、両方の化合物およびそれらの混合物も有用である。なお、(E)体と(Z)体の安定化比率は、各々の化合物により異なるため、一概に特定することはできない。
【0077】
(製造法)
前記一般式(1)で表わされるテトラゾイルオキシム誘導体は、テトラゾイル基が一般式(2)で表わされるテトラゾイル基である場合は、製造法(A)により、テトラゾイル基が一般式(3)で表わされるテトラゾイル基である場合は、製造法(B)により製造することができる。しかし、本発明のテトラゾイルオキシム誘導体の製造方法はこれらの製造法に限定されるものではない。
【0078】
製造法(A)
【0079】
【化23】
【0080】
(式中、X、Y及びHetは、前記一般式(1)で既に定義したX、Y及びHetと同じものを表わし、Lは塩素原子、臭素原子又はヨウ素原子を表わす。)
【0081】
製造法(A)では、一般式(a-1)で表わされるテトラゾイルメタノン誘導体にヒドロキシルアミンを反応させ、一般式(2')で表わされるテトラゾイルヒドロキシイミノ誘導体を得て、次いで、塩基(例えば、水素化ナトリウム、水酸化ナトリウム、水酸化カリウム、炭酸ナトリウム、炭酸カリウム、炭酸セシウム、トリエチルアミン、ピリジン、N,N-ジメチルアミノピリジン等)の存在下で一般式(b)で表わされる化合物を反応させることにより、一般式(1-a)で表わされるテトラゾイルオキシム誘導体を製造する。
【0082】
原料となる一般式(a-1)で表わされるテトラゾイルメタノン誘導体は、例えば、文献(Can.J.Chem.,49巻,2139頁、1971年)に記載の方法に従って、1−アルキルテトラゾールとエステル類との反応により容易に製造することができる。
【0083】
製造法(B)
【0084】
【化24】
【0085】
(式中、X、Y及びHetは、前記一般式(1)で既に定義したX、Y及びHetと同じものを表わし、Lは塩素原子、臭素原子又はヨウ素原子を表わす。)
【0086】
製造法(B)では、塩基(例えば、水素化ナトリウム、水酸化ナトリウム、水酸化カリウム、炭酸ナトリウム、炭酸カリウム、炭酸セシウム、トリエチルアミン、ピリジン、N,N-ジメチルアミノピリジン等)の存在下に、一般式(7')で表わされるテトラゾイルヒドロキシイミノ誘導体に、一般式(b)で表わされる化合物を反応させ、一般式(1-b)で表わされるテトラゾイルオキシム誘導体を製造する。
【0087】
原料となる一般式(7')で表わされるテトラゾイルヒドロキシイミノ化合物は、例えば、文献(Bull.Soc.Chim.Belg.96巻,675頁、1987年)に記載の方法に従って、5−アルキルテトラゾールにフェニルヒドロキシイミノイルクロライドをトリエチルアミンの存在下において反応させることにより容易に製造することができる。
【0088】
上述の方法で製造された本発明の一般式(1)で表わされるテトラゾイルオキシム誘導体の具体的構造を表1〜23に示した。なお、表中におけるX、Y、Z及びRは、前記一般式(1)で定義した意味と同じ意味を表わし、cycloは環状構造を表わす。
【0089】
【化25】
【0090】
【表1】
【0091】
【化26】
【0092】
【表2】
【0093】
【化27】
【0094】
【表3】
【0095】
【化28】
【0096】
【表4】
【0097】
【化29】
【0098】
【表5】
【0099】
【化30】
【0100】
【表6】
【0101】
【化31】
【0102】
【表7】
【0103】
【化32】
【0104】
【表8】
【0105】
【化33】
【0106】
【表9】
【0107】
【化34】
【0108】
【表10】
【0109】
【化35】
【0110】
【表11】
【0111】
【化36】
【0112】
【表12】
【0113】
【化37】
【0114】
【表13】
【0115】
【化38】
【0116】
【表14】
【0117】
【化39】
【0118】
【表15】
【0119】
【化40】
【0120】
【表16】
【0121】
【化41】
【0122】
【表17】
【0123】
【化42】
【0124】
【表18】
【0125】
【化43】
【0126】
【表19】
【0127】
【表20】
【0128】
【化44】
【0129】
【表21】
【0130】
【化45】
【0131】
【表22】
【0132】
【化46】
【0133】
【表23】
【0134】
本発明のテトラゾイルオキシム誘導体は、種々の植物病原菌に対して強力な活性を有し、植物病原菌により引き起こされる植物病害の予防と治療に強い防除効果を発揮する。本発明のテトラゾイルオキシム誘導体は、植物病原菌の中でも、特に糸状菌による各種植物病害に対して有効であり、卵菌類、接合菌類、子のう菌類、担子菌類及び不完全菌類による植物病害の防除にとりわけ好ましく用いられる。以下に植物病原菌の例を挙げるが、これに限定されるものではない。
【0135】
卵菌類としては、例えば、各種作物の苗立枯病菌(Pythium ultimum)の如きPythium属菌;バレイショ疫病菌(Phytophthora infestans)、トマト灰色疫病菌(Phytophthora capsici)の如きPhytophthora属菌;キュウリべと病菌(Pseudoperonospora cubensis)、ホップべと病菌(Pseudoperonospora humuli)の如きPseudoperonospora属菌;ブドウべと病菌(Plasmopara viticola)の如きPlasmopara属菌;アブラナ科野菜のべと病菌(Peronospora brassicae)、ネギべと病菌(Peronospora destructor)、ホウレンソウべと病菌(Peronospora spinaciae)の如きPeronospora属菌、などが挙げられる。
【0136】
子のう菌類としては、例えば、ムギ類うどんこ病菌(Erysiphe graminis)の如きErysiphe属菌;野菜類うどんこ病菌(Sphaerotheca fuliginea)の如きSphaerotheca属菌;リンゴ黒星病菌(Venturia inaequalis)、ナシ黒星病菌(Venturia nashicola)の如きVenturia属菌;オオムギ網斑病菌(Pyrenophora teres)の如きPyrenophora属菌;ムギ類斑点病(Cochliobolus sativus)の如きCochliobolus属菌;野菜類菌核病菌(Sclerotinia sclerotiorum)の如きSclerotinia属菌、などが挙げられる。
【0137】
担子菌類としては、例えば、コムギ赤さび病菌(Puccinia recondita)の如きPuccinia属菌;コムギなまぐさ黒穂病菌(Tilletia caries)の如きTilletia属菌;オオムギ裸黒穂病菌(Ustilago nuda)の如きUstilago属菌、などが挙げられる。
【0138】
不完全菌類としては、例えば、アスパラガス茎枯病菌(Phoma asparagi)の如きPhoma属菌;ムギ類ふ枯病菌(Septoria nodorum)の如きSeptoria属菌;ウリ類炭疽病菌(Colletotrichum lagenarium)の如きColletotrichum属菌;イネいもち病菌(Pyricularia oryzae)の如きPyricularia属菌;野菜類灰色かび病菌(Botrytis cinerea)の如きBotrytis属菌;リンゴ斑点落葉病菌(Alternaria mali)、トマト輪紋病菌(Alternaria solani)の如きAlternaria属菌;テンサイ褐斑病菌(Cercospora beticola)の如きCercospora属菌;モモ黒星病菌(Cladosporium carpophilum)の如きCladosporium属菌;イネ紋枯病菌(Rhizoctonia solani)の如きRhizoctonia属菌、などが挙げられる。
【0139】
本発明のテトラゾイルオキシム誘導体を単独で農薬として使用することも可能であるが、通常、テトラゾイルオキシム誘導体を有効成分として、農薬の製剤に用いられる慣用の固体担体、液体担体、分散剤、希釈剤、乳化剤、展着剤および増粘剤などの補助剤と混合して、水和剤、液剤、油剤、粉剤、粒剤またはゾル剤(フロアブル)等の剤型に製剤して使用することができる。
【0140】
固体担体又は液体担体としては、例えば、タルク、クレー、ベントナイト、カオリン、けいそう土、モンモリロナイト、雲母、バーミキュライト、石膏、炭酸カルシウム、ホワイトカーボン、木粉、澱粉、アルミナ、珪酸塩、糖重合体、ワックス類、水、アルコール類(メチルアルコール、エチルアルコール、n−プロピルアルコール、イソプロピルアルコール、n−ブチルアルコール、エチレングリコール、ベンジルアルコール等)、石油溜分(石油エーテル、ケロシン、ソルベントナフサ等)、脂肪族又は脂環式炭化水素類(n−ヘキサン、シクロヘキサン等)、芳香族炭化水素類(ベンゼン、トルエン、キシレン、エチルベンゼン、クロロベンゼン、クメン、メチルナフタレン等)、ハロゲン化炭化水素類(クロロホルム、ジクロロメタン等)、エーテル類(イソプロピルエーテル、エチレンオキシド、テトラヒドロフラン等)、ケトン類(アセトン、メチルエチルケトン、シクロヘキサノン、メチルイソブチルケトン等)、エステル類(酢酸エチル、酢酸ブチル、エチレングリコールアセタート、酢酸アミル等)、酸アミド類(ジメチルホルムアミド、ジメチルアセトアニリド等)、ニトリル類(アセトニトリル、プロピオニトリル、アクリロニトリル等)、スルホキシド類(ジメチルスルホキシド等)、アルコールエーテル類(エチレングリコールモノメチルエーテル、エチレングリコールモノエチルエーテル等)、などが挙げられる。
【0141】
補助剤としては、例えば、非イオン型界面活性剤(ポリオキシエチレンアルキルエーテル、ポリオキシエチレンアルキルエステル、ポリオキシエチレンアルキルフェニルエーテル、ポリオキシエチレンソルビタンアルキルエステル、ソルビタンアルキルエステル等)、陰イオン型界面活性剤(アルキルベンゼンスルホナート、アルキルスルホサクシナート、ポリオキシエチレンアルキルスルファート、アリールスルホナート等)、陽イオン型界面活性剤(アルキルアミン類、ポリオキシエチレンアルキルアミン類、第四級アンモニウム塩類等)、両性型界面活性剤(アルキルアミノエチルグリシン、アルキルジメチルベタイン等)、ポリビニルアルコール、ヒドロキシプロピルセルロース、カルボキシメチルセルロース、アラビアゴム、トラガントガム、キサンタンガム、ポリビニルアセタート、ゼラチン、カゼイン、アルギン酸ソーダ、などが挙げられる。
【0142】
更に、本発明のテトラゾイルオキシム誘導体は、各種の公知慣用の農園芸用殺菌剤、除草剤、植物生長調節剤、殺虫剤、殺ダニ剤等の農薬や、肥料等と混合して用いることもできる。本発明のテトラゾイルオキシム誘導体の農薬中の含有量は、製剤形態、施用方法、その他の条件によって種々異なるが、0.5〜95質量%の範囲が好ましく、2〜70質量%の範囲が特に好ましい。
【0143】
本発明の農薬の施用方法としては、植物への施用(茎葉散布)、植物の生育土壌への施用(土壌施用)、田面水への施用(水面施用)、種子への施用(種子処理)等が可能である。
【0144】
本発明の農薬の施用量に関しては、適用植物、適用病害等によっても異なるが、茎葉散布の場合には有効成分濃度として1〜10000ppmの範囲、好ましくは10〜1000ppmの溶液を10アール当たり50〜300L施用するのが好ましく、土壌施用及び水面施用の場合には、有効成分量で10アール当たり0.1〜1000g、特に好ましくは10〜100g施用するのが好ましい。また、種子処理の場合には、種子1kgに対して、0.001〜50gの有効成分を施用するのが好ましい。
【0145】
【実施例】
次に本発明を製造例、製剤例及び試験例によって説明するが、もとより本発明はこれらに限定されるものではない。
【0146】
最初にテトラゾイルヒドロキシイミノ誘導体の製造例を示す。
【0147】
(製造例1)
(1−メチルテトラゾール−5−イル)フェニルメタノン11.1g(59.1ミリモル)、塩化ヒドロキシルアンモニウム10.3g(148ミリモル)をピリジン100mlに加え、45℃で24時間撹拌した。反応終了後、反応液を減圧下濃縮し、得られた残留物に水と酢酸エチルを加え、反応生成物を抽出した。有機層を希塩酸、水、炭酸水素ナトリウム水溶液で順次洗浄した後、有機層を無水硫酸マグネシウムで乾燥させた。有機層から溶媒を留去して、式
【0148】
【化47】
【0149】
で表わされる(1−メチルテトラゾール−5−イル)フェニルメタノンオキシム12.0g(収率100%)を得た。
【0150】
1H-NMR(CDCl3,δ) :4.03(s, 3H), 7.3〜7.55(m, 5H), 9.0(brd, 1H).
【0151】
(製造例2)
製造例1において、(1−メチルテトラゾール−5−イル)フェニルメタノンに代えて、(1−メチルテトラゾール−5−イル)4−クロロフェニルメタノン560mg(2.52ミリモル)を用いた以外は、製造例1と同様にして、式
【0152】
【化48】
【0153】
で表わされる(1−メチルテトラゾール−5−イル)4−クロロフェニルメタノンオキシム600mgを得た。
【0154】
1H-NMR(CDCl3,δ):4.04(s, 3H), 7.36(m, 2H), 7.46(m, 2H), 9.00(brd, 1H).
【0155】
(製造例3)
製造例1において、(1−メチルテトラゾール−5−イル)フェニルメタノンに代えて、1−メチルテトラゾール−5−イル)3−フルオロフェニルメタノン964mg(4.68ミリモル)を用いた以外は、製造例1と同様にして、式
【0156】
【化49】
【0157】
で表わされる(1−メチルテトラゾール−5−イル)3−フルオロフェニルメタノンオキシム999mgを得た。
【0158】
1H-NMR(CDCl3,δ):4.04(s, 3H), 7.11(m, 1H), 7.2〜7.5(m, 3H), 12.31(brd, 1H).
【0159】
(製造例4)
製造例1において、(1−メチルテトラゾール−5−イル)フェニルメタノンに代えて、(1−メチルテトラゾール−5−イル)4−フルオロフェニルメタノン850mg(4.14ミリモル)を用いた以外は、製造例1と同様にして、式
【0160】
【化50】
【0161】
で表わされる(1−メチルテトラゾール−5−イル)4−フルオロフェニルメタノンオキシム930mgを得た。
【0162】
1H-NMR(CDCl3,δ):4.05(s, 3H), 7.08(dd, 1H, J=8.6, 8.6Hz), 7.53(m, 2H), 8.68(brd, 1H).
【0163】
(製造例5)
製造例1において、(1−メチルテトラゾール−5−イル)フェニルメタノンに代えて、(1−メチルテトラゾール−5−イル)4−メトキシフェニルメタノン386mg(1.77ミリモル)を用いた以外は、製造例1と同様にして、式
【0164】
【化51】
【0165】
で表わされる(1−メチルテトラゾール−5−イル)4−メトキシフェニルメタノンオキシム410mgを得た。
【0166】
1H-NMR(CDCl3,δ):3.83(s, 3H), 4.03(s, 3H), 6.89(m, 2H), 7.45(m, 2H), 8.36(brd, 1H).
【0167】
(製造例6)
製造例1において、(1−メチルテトラゾール−5−イル)フェニルメタノンに代えて、(1−メチルテトラゾール−5−イル)3−メチルフェニルメタノン1.36g(6.78ミリモル)を用いた以外は、製造例1と同様にして、式
【0168】
【化52】
【0169】
で表わされる(1−メチルテトラゾール−5−イル)3−メチルフェニルメタノンオキシム1.31gを得た。
【0170】
1H-NMR(CDCl3,δ):2.31(s, 3H), 3.99(s, 3H), 7.2-7.3(m, 5H), 9.92(brd, 1H).
【0171】
(製造例7)
製造例1において、(1−メチルテトラゾール−5−イル)フェニルメタノンに代えて、(1−メチルテトラゾール−5−イル)4−メチルフェニルメタノン1.65g(8.16ミリモル)を用いた以外は、製造例1と同様にして、式
【0172】
【化53】
で表わされる(1−メチルテトラゾール−5−イル)4−メチルフェニルメタノンオキシム1.67gを得た。
【0173】
1H-NMR(CDCl3,δ):2.37(s, 3H), 4.01(s, 3H), 7.18(m, 2H), 7.37(m, 2H), 9.02(brd, 1H).
【0174】
(製造例8)
製造例1において、(1−メチルテトラゾール−5−イル)フェニルメタノンに代えて、(1−メチルテトラゾール−5−イル)2−メチルフェニルメタノン1.90g(9.40ミリモル)を用いた以外は製造例1と同様にして、式
【0175】
【化54】
【0176】
(1−メチルテトラゾール−5−イル)2−メチルフェニルメタノンオキシム1.93gを得た。
【0177】
1H-NMR(CDCl3,δ):
Z体:2.22(s, 3H), 4.06(s, 3H), 7.2〜7.4(m, 4H), 9.05(brd, 1H).
E体:2.21(s, 3H), 4.31(s, 3H), 7.15〜7.45(m, 4H), 8.43(brd, 1H).
【0178】
(製造例9)
製造例1において、(1−メチルテトラゾール−5−イル)フェニルメタノンに代えて、(1−エチルテトラゾール−5−イル)フェニルメタノン1.00g(4.95ミリモル)を用いた以外は、製造例1と同様にして、式
【0179】
【化55】
【0180】
で表わされる(1−エチルテトラゾール−5−イル)フェニルメタノンオキシム1.00gを得た。
【0181】
1H-NMR(CDCl3,δ):1.51(t, J=7.3Hz, 3H), 4.35(q, J=7.3Hz, 2H), 7.33-7.55 (m, 5H), 10.45(brd, 1H).
【0182】
(製造例10)
3−フルオロベンゾアルドキシム2.78g(20ミリモル)をN,N−ジメチルホルムアミド25mlに溶解した溶液に、液温を45℃以下に保ちながら、N−クロロコハク酸イミド2.80g(21ミリモル)を添加し、室温で1時間撹拌した後、反応液を飽和塩化アンモニウム水に注ぎ、酢酸エチルで抽出した。有機層を水、飽和食塩水で順次洗浄した後、有機層を無水硫酸ナトリウムで乾燥させた。有機層から溶媒を留去して、得られた残留物に5−メチルテトラゾール1.70g(20ミリモル)とジクロロメタン25mlを加えた。この溶液にトリエチルアミン3.6ml(1.26ミリモル)を室温で滴下した。室温で6時間撹拌した後、反応液を飽和塩化アンモニウム水に注ぎ、酢酸エチルで抽出した。有機層を水、飽和食塩水で順次洗浄した後、無水硫酸ナトリウムで乾燥させた。溶媒を留去し、得られた残留物をシリカゲルカラムクロマトグラフィーを用いて精製して、式
【0183】
【化56】
【0184】
で表わされる(5−メチルテトラゾール−1−イル)−3−フルオロフェニルメタノンオキシム1.40gを得た。
【0185】
1H-NMR(CDCl3,δ) : 2.57 (s, 3H), 7.06〜7.09(m,1H), 7.18〜7.27(m, 2H), 7.36〜7.43(m, 1H), 8.67(s, 1H).
【0186】
(製造例11)
製造例10において、3−フルオロベンゾアルドキシムに代えて、4−フルオロベンゾアルドキシム2.78g(20ミリモル)を用いた以外は、製造例10と同様にして、式
【0187】
【化57】
【0188】
で表わされる(5−メチルテトラゾール−1−イル)−4−フルオロフェニルメタノンオキシム1.00gを得た。
【0189】
1H-NMR(CDCl3,δ) : 2.53 (s, 3H), 7.06〜7.12(m,2H), 7.38〜7.45(m, 2H), 12.11(s, 1H).
【0190】
(製造例12)
製造例10において、3−フルオロベンゾアルドキシムに代えて、3−クロロベンゾアルドキシム3.11g(20ミリモル)を用いた以外は、製造例10と同様にして、式
【0191】
【化58】
【0192】
で表わされる(5−メチルテトラゾール−1−イル)−3−クロロフェニルメタノンオキシム2.05gを得た。
【0193】
1H-NMR(CDCl3,δ) : 2.58 (s, 3H), 7.20〜7.23(m,1H), 7.33〜7.38(m,2H), 7.46〜7.51(m,1H), 9.22(s, 1H).
【0194】
(製造例13)
製造例10において、3−フルオロベンゾアルドキシムに代えて、4−クロロベンゾアルドキシム3.11g(20ミリモル)を用いた以外は、製造例10と同様にして、式
【0195】
【化59】
【0196】
で表わされる(5−メチルテトラゾール−1−イル)−4−クロロフェニルメタノンオキシム2.17gを得た。
【0197】
1H-NMR(CDCl3,δ) : 2.53 (s, 3H), 7.33〜7.39(m,4H),12.07 (s, 1H).
【0198】
(製造例14)
製造例10において、3−フルオロベンゾアルドキシムに代えて、4−メチルベンゾアルドキシム2.70g(20ミリモル)を用いた以外は、製造例10と同様にして、式
【0199】
【化60】
【0200】
で表わされる(5−メチルテトラゾール−1−イル)−4−メチルフェニルメタノンオキシム2.50gを得た。
【0201】
1H-NMR(CDCl3,δ) : 2.39 (s, 3H), 2.56 (s, 3H), 7.20〜7.30(m,4H), 8.69(s, 1H).
【0202】
(製造例15)
製造例10において、3−フルオロベンゾアルドキシムに代えて、4−メトキシベンゾアルドキシム3.20g(20ミリモル)を用いた以外は、製造例10と同様にして、式
【0203】
【化61】
【0204】
で表わされる(5−メチルテトラゾール−1−イル)−4−メトキシフェニルメタノンオキシム1.96gを得た。
【0205】
1H-NMR(CDCl3,δ) : 2.55 (s, 3H),3.84 (s, 3H), 6.89〜6.94(m,2H),7.30〜7.35(m,2H), 8.13(s, 1H).
【0206】
(製造例16)
製造例10において、3−フルオロベンゾアルドキシムに代えて、4−シアノベンゾアルドキシム2.92g(20ミリモル)を用いた以外は、製造例10と同様にして、式
【0207】
【化62】
【0208】
で表わされる(5−メチルテトラゾール−1−イル)−4−シアノフェニルメタノンオキシム1.70gを得た。
【0209】
1H-NMR(CDCl3,δ) : 2.54 (s, 3H), 7.53〜7.56(m,2H), 7.68〜7.71(m,2H),12.71(s, 1H).
【0210】
(製造例17)
製造例10において、3−フルオロベンゾアルドキシムに代えて、4−メチルスルホニルベンゾアルドキシム1.30g(6.5ミリモル)を用いた以外は、製造例10と同様にして、式
【0211】
【化63】
【0212】
で表わされる(5−メチルテトラゾール−1−イル)−4−メチルスルホニルフェニルメタノンオキシム1.20gを得た。
【0213】
1H-NMR(CDCl3,δ) : 2.55 (s, 3H), 3.08 (s, 3H), 7.62〜7.65(m,2H), 7.95〜7.98(m,2H),12.68(s, 1H).
【0214】
(製造例18)
製造例10において、3−フルオロベンゾアルドキシムに代えて、4−ニトロベンゾアルドキシム3.32g(20ミリモル)を用いた以外は、製造例10と同様にして、式
【0215】
【化64】
【0216】
で表わされる(5−メチルテトラゾール−1−イル)−4−ニトロフェニルメタノンオキシム1.00gを得た。
【0217】
1H-NMR(CDCl3,δ) : 2.55 (s, 3H), 7.61〜7.64(m,2H), 8.24〜8.26(m,2H),12.72(s, 1H).
【0218】
(製造例19)
製造例10において、3−フルオロベンゾアルドキシムに代えて、4−トリフルオロメチルベンゾアルドキシム3.78g(20ミリモル)を用いた以外は、製造例10と同様にして、式
【0219】
【化65】
【0220】
で表わされる(5−メチルテトラゾール−1−イル)−4−トリフルオロメチルフェニルメタノンオキシム0.78gを得た。
【0221】
1H-NMR(CDCl3,δ):2.54(s,3H),7.55(d,2H,J=8.41Hz),7.66(d,2H,J=8.41Hz),12.26(s, 1H).
【0222】
(製造例20)
製造例10において、3−フルオロベンゾアルドキシムに代えて、4−エチルベンゾアルドキシム1.49g(10ミリモル)を用いた以外は、製造例10と同様にして、式
【0223】
【化66】
【0224】
で表わされる(5−メチルテトラゾール−1−イル)−4−エチルフェニルメタノンオキシム1.35gを得た。
【0225】
1H-NMR(CDCl3,δ) :1.34(t,3H,J=7.51Hz), 2.56 (s, 3H), 2.69 (q,2H,J=7.69H), 7.22〜7.32(4H,m), 8.69(s, 1H).
【0226】
(製造例21)
製造例10において、3−フルオロベンゾアルドキシムに代えて、4−tert−ブチルベンゾアルドキシム1.77g(10ミリモル)を用いた以外は、製造例10と同様にして、式
【0227】
【化67】
【0228】
で表わされる(5−メチルテトラゾール−1−イル)−4−tert−ブチルフェニルメタノンオキシム1.35gを得た。
【0229】
1H-NMR(CDCl3,δ) :1.33(s,9H), 2.55 (s, 3H), 7.32(d,2H,J=8.62Hz),7.44(d,2H,J=8.62Hz), 7.99(s, 1H).
【0230】
(製造例22)
製造例10において、3−フルオロベンゾアルドキシムに代えて、4−ビフェニルアルドキシム1.97g(20ミリモル)を用いた以外は、製造例10と同様にして、式
【0231】
【化68】
【0232】
で表わされる(5−メチルテトラゾール−1−イル)−4−ビフェニルメタノンオキシム1.20gを得た。
【0233】
1H-NMR(CDCl3,δ) : 2.56 (s, 3H), 7.29〜7.49(m,5H), 7.58〜7.63(m,4H),12.05(s,1H)
【0234】
(製造例23)
製造例10において、5−メチルテトラゾールに代えて、5−エチルテトラゾール2.00g(20.4ミリモル)を用い、かつ、3−フルオロベンゾアルドキシムに代えて、ベンズアルドキシム2.70g(22ミリモル)を用いた以外は、製造例10と同様にして、式
【0235】
【化69】
【0236】
で表わされる(5−エチルテトラゾール−1−イル)フェニルメタノンオキシム1.93gを得た。
【0237】
1H-NMR(CDCl3,δ): 1.37(t, J=7.6Hz, 3H), 2.88(q, J=7.6Hz, 2H), 7.35〜7.55(m, 5H), 9.42(s, 1H).
【0238】
次に、テトラゾイルオキシム誘導体の製造例を示す。
【0239】
(製造例24)
水素化ナトリウム1.40g(60%in oil)を乾燥N,N−ジメチルホルムアミド30mlに懸濁させた後、氷浴で冷却しながら、製造例1で得た(1−メチルテトラゾール−5−イル)フェニルメタノンオキシム2.6g(12.6ミリモル)及び乾燥N,N−ジメチルホルムアミド15mlからなる溶液を滴下した。10分間撹拌を続けた後、さらに、乾燥N,N−ジメチルホルムアミド15mlに溶解した2−ブロモメチル−6−(ヘキサノイルアミノ)ピリジン4.0g(14ミリモル)を滴下した。滴下終了後、氷浴を取り除き、1.5時間撹拌を続けた。反応液を飽和塩化アンモニウム水に注ぎ、反応生成物を酢酸エチルで抽出した。有機層を水、飽和食塩水で順次洗浄した後、有機層を無水硫酸ナトリウムで乾燥させた。有機層から溶媒を留去し、得られた残留物をシリカゲルカラムクロマトグラフィーを用いて精製して、式
【0240】
【化70】
【0241】
で表わされる(Z)−(1−メチルテトラゾール−5−イル)フェニルメタノンオキシム0−(6−(ヘキサノイルアミノ)ピリジン−2−イル)メチルオキシム(化合物No. (1)-12)3.55gを得た。
【0242】
1H-NMR(CDCl3,δ) :0.91(t, 3H, J=7.2Hz), 1.37(m, 4H), 1.74(m, 2H), 2.39(t, 2H, J=7.7Hz), 3.97(s, 3H), 5.26(s, 2H), 7.00(d, 1H, J=7.3Hz), 7.3〜7.55(m, 5H), 7.70(dd, 1H, J=7.3, 8.1Hz), 7.86(brd, 1H), 8.15(d, 1H, J=8.1Hz).
【0243】
(製造例25)
製造例1で得た(1−メチルテトラゾール−5−イル)フェニルメタノンオキシム60mg(0.30ミリモル)、4−クロロメチル−2−(n−ペンチルオキシカルボニルアミノ)チアゾール85mg(0.32ミリモル)を乾燥N,N−ジメチルホルムアミド4mlに溶解し、氷浴で冷却しながら、この溶液に水素化ナトリウム40mg(60% in oil)を加えた。氷浴を取り除いた後、3時間撹拌を続けた後、反応液を飽和塩化アンモニウム水に注ぎ、酢酸エチルで抽出した。有機層を水、飽和食塩水で順次洗浄した後、有機層を無水硫酸マグネシウムで乾燥させた。有機層から溶媒を留去し、得られた残留物をシリカゲルカラムクロマトグラフィーを用いて精製して、
【0244】
【化71】
【0245】
で表わされる(Z)−(1−メチルテトラゾール−5−イル)フェニルメタノンオキシム0−(2−(n−ペンチルオキシカルボニルアミノ)チアゾール−4−イル)メチルオキシム(化合物No. (4)-9)120mgを得た。
【0246】
1H-NMR(CDCl3): 0.89(t, 3H, J=7.0Hz), 1.34(m, 4H), 1.68(m, 2H), 3.87(s, 3H), 4.23(t, 2H, J=6.9Hz), 5.30(s, 2H), 6.89(s, 1H), 7.30〜7.55(m, 5H), 10.21(brd, 1H).
【0247】
(製造例26)
水素化ナトリウム1.79g(60%油状物)を乾燥N,N−ジメチルホルムアミド60mlに懸濁し、氷浴で冷却しながら、この懸濁液に、(Z)−(5−メチルテトラゾール−1−イル)フェニルメタノンオキシム8.24g(40.6ミリモル)及び乾燥N,N−ジメチルホルムアミド30mlからなる溶液を滴下し、10分間撹拌を続けた後、2−ブロモメチル−6−(ヘキサノイルアミノ)ピリジン12.7g(44.5ミリモル)及び乾燥N,N−ジメチルホルムアミド40mlからなる溶液を滴下した。滴下終了後、氷浴を取り除いて、さらに2時間撹拌を続けた。反応液を飽和塩化アンモニウム水に注ぎ、反応生成物を酢酸エチルで抽出した。有機層を水、飽和食塩水で順次洗浄した後、有機層を無水硫酸ナトリウムで乾燥させた。有機層から溶媒を留去し、得られた残留物をシリカゲルカラムクロマトグラフィーを用いて精製して、式
【0248】
【化72】
【0249】
で表わされる(Z)−(5−メチルテトラゾール−1−イル)フェニルメタノンオキシム0−(6−(ヘキサノイルアミノ)ピリジン−2−イル)メチルオキシム(化合物No.(11)-12)10.5gを得た。
【0250】
1H-NMR(CDCl3,δ) :0.91(t, 3H, J=7.1Hz), 1.31〜1.38(m, 4H), 1.70〜1.77(m, 2H), 2.45(t, 2H, J=7.5Hz), 2.46(s, 3H), 5.23(s, 2H), 6.92(s,1H), 7.34-7.53(m, 5H), 9.10(brd,1H).
【0251】
(製造例27)
(Z)−(5−メチルテトラゾール−1−イル)フェニルメタノンオキシム100mg(0.42ミリモル)及び4−クロロメチル−2−(n−ヘキサノイルアミノ)チアゾール120mg(0.51ミリモル)を乾燥N,N−ジメチルホルムアミド2mlに溶解し、氷浴で冷却しながら、この溶液に、水素化ナトリウム40mg(60% in oil)を加えた後、氷浴を取り除き、更に3時間撹拌を続けた。反応液を飽和塩化アンモニウム水に注ぎ、反応生成物を酢酸エチルで抽出した。有機層を水、飽和食塩水で順次洗浄した後、有機層を無水硫酸マグネシウムで乾燥させた。有機層から溶媒を留去し、得られた残留物をシリカゲルカラムクロマトグラフィーを用いて精製して、式
【0252】
【化73】
【0253】
で表わされる(Z)−(5−メチルテトラゾール−1−イル)フェニルメタノンオキシム0−(2−(n−ヘキサノイルアミノ)チアゾール−4−イル)メチルオキシム(化合物No. (12)-12)117mgを得た。
【0254】
1H-NMR(CDCl3): 0.91(t, 3H, J=7.1Hz), 1.31〜1.38(m, 4H), 1.70〜1.77(m, 2H), 2.45(t, J=7.5Hz,2H), 2.46(s,3H),5.23(s, 2H), 6.92(s, 1H), 7.34〜7.53(m, 5H), 9.10(brd, 1H).
【0255】
これらの製造例と同様にして製造したテトラゾイルオキシム誘導体の1NMRスペクトルのデータをまとめて、以下の表24〜45に示した。表中の化合物の表示は、例えば、(1)−1の化合物は表1の1の化合物であることを表わす。また、表中の「Z/E」の欄は、(Z)体又は(E)体を表わす。
【0256】
【表24】
【0257】
【表25】
【0258】
【表26】
【0259】
【表27】
【0260】
【表28】
【0261】
【表29】
【0262】
【表30】
【0263】
【表31】
【0264】
【表32】
【0265】
【表33】
【0266】
【表34】
【0267】
【表35】
【0268】
【表36】
【0269】
【表37】
【0270】
【表38】
【0271】
【表39】
【0272】
【表40】
【0273】
【表41】
【0274】
【表42】
【0275】
【表43】
【0276】
【表44】
【0277】
【表45】
【0278】
次に、本発明の化合物を用いた製剤の例を示す。製剤例並びに防除試験に用いた本発明の化合物は、特に記載のない限り、(Z)体と(E)体との混合物である。
【0279】
(製剤例1)水和剤
前記表1〜23に示したテトラゾイルオキシム誘導体20質量部をそれぞれ、ホワイトカーボン30質量部に吸着させた。これにポリオキシエチレンラウリル硫酸ナトリウム3質量部、ポリオキシエチレンアルキルフェニルエーテルサルフェートアンモニウム50質量%粉末8質量部、リグニンスルホン酸ナトリウム1質量部及びクレー38質量部を加えて混合した後、ジェットミルを用いて粉砕して、水和剤とした。
【0280】
(製剤例2)粉剤
前記表1〜23に示したテトラゾイルオキシム誘導体2質量部をそれぞれ、クレー98質量部と混合した後、粉砕して、粉剤とした。
【0281】
(製剤例3)粒剤
前記表1〜23に示したテトラゾイルオキシム誘導体5質量部をそれぞれ、ベントナイト及びタルクの等量混合物90質量部及びアルキルベンゼンスルホン酸ナトリウム5質量部と混合し、粉砕した後、粒剤に成形した。
【0282】
次に本発明の化合物が各種植物病害防除剤の有効成分として有用であることを試験例で示す。なお、調査時の発病状態を以下に示す発病指数を用いて発病程度別に調査し、発病度ならびに防除価を次式から算出して、以下の表47〜56にに記載した。
【0283】
発病指数
0:無発病
1:発病面積が25%未満
2:発病面積が25%以上、50%未満
3:発病面積が50%以上
【0284】
発病度(%)=[Σ(発病程度別葉数×指数)÷(調査葉数×3(発病度指数最高値))]×100
【0285】
防除価(%)=(無処理区の発病度−処理区の発病度)÷ 無処理区の発病度×100
【0286】
尚、対照剤として以下の化合物を供試した。
対照剤1:マンゼブ水和剤(広く用いられているべと病・疫病防除剤)
対照剤2:特開平11−269176号公報(WO99/29689号公報、欧州特許公開第1038874号公報)に記載の代表的化合物A
対照剤3及び4:特開2001−55387号公報(WO00/75138号公報、欧州特許公開第1184382号公報)に記載の代表的化合物B及びC
【0287】
対照剤1で使用するマンゼブ水和剤の有効成分は、アメリカのローム・アンド・ハース社が開発し、1969年に登録された園芸用の殺菌剤であって、式
【0288】
【化74】
【0289】
で表わされる亜鉛配位エチレンビスジチオカーバメートである。
【0290】
また、対照剤2、3及び4は、下記一般式と下表によって特定される化合物である。
【0291】
【化75】
【0292】
【表46】
【0293】
ブドウべと病、トマト疫病に対する防除効果としては、主に、保護効果と治療効果が挙げられる。保護効果は、試験用植物ポット苗に被験物質を散布し、風乾後、対象植物病原菌の胞子懸濁液を接種し、その後多湿条件下にポット苗を置き発病させた後、温室等で一定期間植物ポット苗を育成することにより得られる効果であり、治療効果は、試験用植物ポット苗に対象植物病原菌の胞子懸濁液を接種、多湿条件下に置き発病させた後、ポット苗に被験物質を散布し風乾後、温室等で一定期間植物ポット苗を育成することにより得られる効果である。
【0294】
本発明の化合物の保護効果に関する試験は、ブドウべと病、トマト疫病に対して、対照剤1、2、3、4と共に実施した。本発明の各化合物は全て、対照剤1を超える効果を示し、対照剤2、3、4に対しては同等かそれ以上の効果を示した。治療効果に関する試験は、以下のブドウべと病防除試験(試験例1)及びトマト疫病防除試験(試験例2)に従って行った。
【0295】
(試験例1)ブドウべと病防除試験(治療効果)
1/10,000アールワグネルポットに育苗した5〜6葉期のブドウ(品種:ネオマスカット)に、ブドウべと病菌(Plasmopara viticola)の胞子懸濁液を接種し、25℃の湿室に18時間置いた。葉を風乾させた後、製剤例1の方法に準じて調製した水和剤を有効成分濃度が100ppmの薬液になるように水で希釈し、薬液が滴る程度散布し、その後温室で発病させた。接種10日後に発病程度を調査した。その結果を以下の表47〜56示した。
【0296】
【表47】
【0297】
【表48】
【0298】
【表49】
【0299】
【表50】
【0300】
【表51】
【0301】
(試験例2)トマト疫病防除試験(治療効果)
直径9cmのプラスチックポットに育苗した4葉期のトマト(品種:豊福)に、トマト疫病菌(Phytophthora infestans)の胞子懸濁液を接種し、20℃の湿室に18時間置いた。葉を風乾させた後、製剤例1の方法に準じて調製した水和剤を有効成分濃度が100ppmの薬液になるように水で希釈し、薬液が滴る程度散布し、その後温室で発病させた。接種7日後に発病程度を調査した。その結果を表52〜56に示した。
【0302】
【表52】
【0303】
【表53】
【0304】
【表54】
【0305】
【表55】
【0306】
【表56】
【0307】
上表に示した結果から、本発明のテトラゾイルオキシム誘導体は、従来のヘテロ環置換オキシム誘導体や慣用の植物病害防除剤に比べて、優れた治療効果を有することが明らかである。治療効果に優れる本発明のテトラゾイルオキシム誘導体を含有する植物病害防除剤は、植物病原菌の発病を確認した後に散布しても、充分な植物病害の防除効果を奏することから、農薬の散布回数の低減が可能となるので、省力、省コスト性の面で優れていることが明らかである。
【0308】
【発明の効果】
本発明の前記一般式(1)で表わされるテトラゾイルオキシム誘導体は、有用植物体に対する薬害が少なく、農薬、特に植物病害防除剤として有用である。また、本発明のテトラゾイルオキシム誘導体を有効成分として含有する農薬は、従来のヘテロ環置換オキシム誘導体よりも植物病害に対する治療効果に優れているので、植物病害防除剤として有用である。さらに、本発明の一般式(6)及び一般式(7)で表わされるテトラヒドロキシイミノ誘導体は、本発明の一般式(1)で表わされるテトラゾイルオキシム誘導体の中間体として有用である。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a novel tetrazoyloxime derivative and an agrochemical containing this as an active ingredient, particularly a plant disease control agent.
[0002]
[Prior art]
Japanese Patent Laid-Open No. 11-269176 (WO99 / 29689, European Patent Publication No. 1038874) and Japanese Patent Laid-Open No. 2001-55387 (WO00 / 75138, European Patent Publication No. 1184382) relating to the inventors' invention No.) reports that a heterocyclic-substituted oxime derivative is useful as a plant disease control agent.
[0003]
Specifically, Japanese Patent Application Laid-Open No. 11-269176 (WO99 / 29689, European Patent Publication No. 1038874) includes a general formula (A).
[0004]
[Chemical 8]
[0005]
[Wherein R1Represents a hydrogen atom or a lower alkyl group, and X is a halogen atom, nitro group, hydroxy group, cyano group, carboxyl group, alkoxycarbonyl group, lower alkyl group, lower alkoxy group, lower alkylthio group, lower alkylsulfonyl group, aryl group Represents an aryloxy group or an amino group, n represents an integer of 0 to 3, and HetA represents a halogen atom, a lower alkyl group, a lower alkylthio group, a lower alkylsulfonyl group, a lower alkoxy group, a trifluoromethyl group, or a cyano group. A 6-membered nitrogen-containing aromatic ring containing 1 or 2 nitrogen atoms which may be substituted with 1 or 2 substituents selected from the group consisting of: Where HetB is a general formula
[0006]
[Chemical 9]
[0007]
General formula
[Chemical Formula 10]
[0008]
Or general formula
Embedded image
[0009]
(Wherein Y represents a hydrogen atom, a halogen atom or a lower alkyl group). ]
An oxime derivative represented by:
[0010]
On the other hand, Japanese Patent Application Laid-Open No. 2001-55387 (WO 00/75138, European Patent Publication No. 1184382) includes a general formula (B).
[0011]
Embedded image
[0012]
[In the formula, HetA is the following three formulas:
[0013]
Embedded image
[0014]
(Wherein Q represents a hydrogen atom, a halogen atom or a lower alkyl group, R1Represents a hydrogen atom, a lower alkyl group, a cycloalkyl group, a lower alkenyl group, a lower alkynyl group, an aralkyl group or an aryl group, and R2Represents a hydrogen atom or a lower alkyl group. ) Represents a group represented by any one of the following:
[0015]
Embedded image
[0016]
Wherein Y represents a hydrogen atom or a lower alkyl group, RThreeRepresents a hydrogen atom or a lower alkyl group. ) Represents a group represented by any one of
HetC is the following nine formulas
[0017]
Embedded image
[0018]
(Wherein RFourRepresents a hydrogen atom or a lower alkyl group, X represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group or a cyano group, Z represents a hydrogen atom, a halogen atom or a lower alkyl group, and n is 0 to 3 Represents an integer. ) Is a group represented by any one of ]
An oxime derivative represented by:
[0019]
As described in JP-A-11-269176 (WO99 / 29689, European Patent Publication No. 1038874) and JP-A-2001-55387 (WO00 / 75138, European Patent Publication No. 1184382). Although each compound exhibits a considerable control effect against plant diseases, development of a drug with a better control effect is required.
[0020]
On the other hand, in the literature (Bull. Soc. Chim. Belg., 96, 675, 1987), the present invention useful as a synthetic intermediate of the tetrazoyloxime derivative according to claim 1 of the present invention is disclosed. A compound similar to the tetrazoylhydroxyme derivative represented by the general formula (7) according to claim 9, wherein in the general formula (7), X2Is a hydrogen atom and Y2Wherein X is a methyl group, X2Is a hydrogen atom and Y2Wherein X is an isopropyl group, and X2Is chlorine atom and Y2Only compounds in which is a methyl group are described. These three compounds have been synthesized through research aimed at elucidating the reaction mechanism. In the literature, these compounds are used to express the general formula (1) according to claim 1 of the present invention. There was no description of the usefulness of the compound, including the description that the tetrazoyloxime derivative can be synthesized and that it is useful as an intermediate for the production of agricultural chemicals.
[0021]
[Problems to be solved by the invention]
The problem to be solved by the present invention is to provide a tetrazoyl oxime derivative that has less phytotoxicity to useful plants and has better pharmacological effects on plant diseases than conventional heterocyclic-substituted oxime derivatives.
[0022]
Another problem to be solved by the present invention is to provide an agrochemical excellent in controlling plant diseases containing the tetrazoyloxime derivative as an active ingredient.
[0023]
Another problem to be solved by the present invention is to provide a tetrazoylhydroxime derivative useful as an intermediate for producing the tetrazoyloxime derivative.
[0024]
[Means for Solving the Problems]
As a result of synthesizing many tetrazoyl oxime derivatives and intensively studying their physiological activities, the present inventors have found that tetrazoyl oxime derivatives represented by the following general formula (1) are phytotoxic to useful plants. Thus, the present inventors have found that an extremely excellent plant disease control effect can be seen at a very low dose, thereby completing the present invention.
[0025]
That is, in order to solve the above problems, the present invention provides a general formula (1)
[0026]
Embedded image
[0027]
[Wherein X represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a cyano group, a methanesulfonyl group, a nitro group, a trifluoromethyl group or an aryl group, and A represents a general formula (2)
[0028]
Embedded image
[0029]
(Wherein Y represents an alkyl group)
A tetrazoyl group represented by the general formula (3)
[0030]
Embedded image
[0031]
(Wherein Y represents an alkyl group)
Represents a tetrazoyl group represented by general formula (4)
[0032]
Embedded image
[0033]
[Wherein R represents a hydrogen atom or a halogen atom. Z is a hydrogen atom, an amino group, or a general formula QC (═O) NH—
(Wherein Q is a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an alkyl group having 1 to 6 carbon atoms substituted with a halogen atom, a cycloalkyl group having 3 to 6 carbon atoms, or 1 carbon atom) An alkoxyl group having 8 to 8 carbon atoms, a cycloalkyloxy group having 3 to 6 carbon atoms, a benzyloxy group, a 2-phenylethyloxy group, a thioalkyl group substituted with an alkyl group having 1 to 4 carbon atoms, and 1 to 1 carbon atoms An alkyl group having 1 to 2 carbon atoms substituted with 4 alkoxyl groups, an alkyl group having 1 to 6 carbon atoms substituted with an acylamino group having 1 to 4 carbon atoms, and an acylamino group having 1 to 4 carbon atoms Represents an alkoxy group having 1 to 6 carbon atoms, an alkylamino group having 1 to 8 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, an aralkyl group, or a phenyl group.
Represents a group represented by ]
Or a general formula (5)
[0034]
Embedded image
[0035]
(In the formula, R and Z have the same meaning as defined in the general formula (4).)
Represents a thiazoyl group represented by: ]
The tetrazoyl oxime derivative represented by these is provided.
[0036]
In order to solve the above problems, the present invention provides a general formula (6) useful as a synthetic intermediate for the tetrazoyloxime derivative represented by the general formula (1).
[0037]
Embedded image
[0038]
(Where X1Represents a hydrogen atom, a halogen atom, an alkyl group or an alkoxy group, Y1Represents an alkyl group. )
And tetrazoylhydroxyimino derivatives represented by the general formula (7)
[0039]
Embedded image
[0040]
(Where X2Represents an alkyl group, an alkoxy group, a cyano group, a methanesulfonyl group, a nitro group, a trifluoromethyl group or an aryl group;2Represents an alkyl group. )
The tetrazoylhydroxyimino derivative represented by these is provided.
[0041]
Furthermore, in order to solve the above problems, the present invention provides an agrochemical, particularly a plant disease control agent, containing the tetrazoyloxime derivative represented by the general formula (1) as an active ingredient.
[0042]
DETAILED DESCRIPTION OF THE INVENTION
In the tetrazoyloxime derivative represented by the general formula (1), X is not particularly limited in the substitution position, and a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a cyano group, a methanesulfonyl group, a nitro group, Represents a fluoromethyl group or an aryl group.
[0043]
Examples of the halogen atom representing X include a chlorine atom, a bromine atom, an iodine atom, and a fluorine atom. Among these, compounds in which X is a chlorine atom or a fluorine atom are particularly preferable because they have low chemical damage and an excellent control effect.
[0044]
As the alkyl group representing X, an alkyl group having 1 to 4 carbon atoms is preferable, and specifically, a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, an isobutyl group, a sec-butyl group. , And a tert-butyl group. Among these, a compound in which X is a methyl group or a tert-butyl group is particularly preferable because it has low chemical damage and an excellent control effect.
[0045]
Moreover, as an alkoxy group showing X, a C1-C3 alkoxy group is preferable, and a methoxy group, an ethoxy group, a propoxy group, and an isopropoxy group are mentioned specifically ,. Among these, a compound in which X is a methoxy group or an ethoxy group is particularly preferable because it has low phytotoxicity and excellent control effect.
[0046]
Examples of the aryl group representing X include a phenyl group, a 4-methylphenyl group, and a 4-chlorophenyl group. Among these, a compound in which X is a phenyl group is particularly preferable because it has low phytotoxicity and excellent control effect.
[0047]
Among these, the most preferable as X is a hydrogen atom.
[0048]
In the tetrazoyl group represented by the general formula (2) or the general formula (3), Y represents an alkyl group. Among the alkyl groups, alkyl groups having 1 to 3 carbon atoms such as methyl group, ethyl group, n-propyl group, and isopropyl group are preferable. Among these, a compound in which Y is a methyl group or an ethyl group is particularly preferable because it has low chemical damage and an excellent control effect.
[0049]
R in the pyridyl group represented by the general formula (4) represents a hydrogen atom; a halogen atom such as a chlorine atom, a bromine atom, an iodine atom or a fluorine atom. Among these, a compound in which R is a hydrogen atom or a chlorine atom is particularly preferable because it has low chemical damage and an excellent control effect.
[0050]
Het in the tetrazoyloxime derivative represented by the general formula (1) is either a pyridyl group represented by the general formula (4) or a thiazoyl group represented by the general formula (5). 4) and Z in the general formula (5) represent a hydrogen atom, an amino group, or a group represented by the general formula QC (═O) NH 2.
[0051]
Q in the group represented by the general formula QC (═O) NH 2 is a hydrogen atom, a lower alkyl group, a lower alkyl group substituted with a halogen atom, a cycloalkyl group having 3 to 6 carbon atoms, a benzyloxy group, 2 A phenylethyloxy group, an alkoxy group having 1 to 8 carbon atoms, a cycloalkyloxy group having 3 to 6 carbon atoms, a lower alkyl group substituted with an alkoxy group having 1 to 6 carbon atoms, and 1 to 1 carbon atoms A thioalkyl group substituted by 4 alkyl groups, an alkyl group having 1 to 6 carbon atoms substituted by an acylamino group having 1 to 4 carbon atoms, and a carbon atom number substituted by an acylamino group having 1 to 4 carbon atoms An alkoxy group having 1 to 6 carbon atoms, an alkylamino group having 1 to 8 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, an aralkyl group, or a phenyl group.
[0052]
The lower alkyl group representing Q is preferably an alkyl group having 1 to 8 carbon atoms, specifically, methyl group, ethyl group, n-propyl group, isopropyl group, 1,1-dimethylpropyl group, n- Butyl, isobutyl, sec-butyl, tert-butyl, isoamyl, 1-methylbutyl, 2-methylbutyl, neopentyl, 1-ethylpropyl, n-pentyl, hexyl, heptyl, octyl Group, and the like.
[0053]
The lower alkyl group substituted with a halogen atom representing Q is preferably an alkyl group having 1 to 6 carbon atoms substituted with a halogen atom, specifically, a chloromethyl group, a difluoromethyl group, a trifluoromethyl group. , Difluorochloromethyl group, pentafluoroethyl group, 3,3,3-trifluoro-n-propyl group, 1-chlorohexyl group, and the like.
[0054]
Specific examples of the cycloalkyl group having 3 to 6 carbon atoms representing Q include a cyclopropyl group, a cyclobutyl group, a cyclopentyl group, and a cyclohexyl group.
[0055]
Specific examples of the alkoxy group having 1 to 8 carbon atoms for Q include methoxy group, ethoxy group, propoxy group, isopropoxy group, 1,1-dimethylpropoxy group, butoxy group, isobutoxy group, sec-butoxy. Group, tert-butoxy group, isopentyloxy group, 1-methylbutoxy group, 2-methylbutoxy group, neopentyloxy group, 1-ethylpropoxy group, n-pentyloxy group, hexyloxy group, heptyloxy group, octyl An oxy group, and the like.
[0056]
Specific examples of the cycloalkyloxy group having 3 to 6 carbon atoms representing Q include a cyclopropyloxy group, a cyclobutyloxy group, a cyclopentyloxy group, and a cyclohexyloxy group.
[0057]
Examples of the alkyl group having 1 to 2 carbon atoms substituted with an alkoxy group having 1 to 4 carbon atoms representing Q include a methoxymethyl group, an ethoxymethyl group, an ethoxyethyl group, and a butoxymethyl group.
[0058]
Specific examples of the alkylthio group substituted with an alkyl group having 1 to 4 carbon atoms representing Q include a methylthiomethyl group, a methylthioethyl group, an ethylthiomethyl group, and a butylthiomethyl group.
[0059]
Specific examples of the alkoxy group having 1 to 6 carbon atoms substituted with an acylamino group having 1 to 4 carbon atoms representing Q include an acetylaminomethoxy group, a 2- (propionylamino) ethoxy group, and 3- ( Acetylamino) propoxy group, 3- (propionylamino) propoxy group, 3- (isopropionylamino) propoxy group, 3- (butyroylamino) propoxy group, 3- (isobutyroylamino) propoxy group, 3- (sec -Butyroylamino) propoxy group, 3- (tert-butyroylamino) propoxy group, 4- (acetylamino) butoxy group, 5- (acetylamino) pentyloxy group and 6- (acetylamino) hexyloxy group, etc. Is mentioned.
[0060]
Specific examples of the alkyl group having 1 to 6 carbon atoms substituted with an acylamino group having 1 to 4 carbon atoms representing Q include acetylaminomethyl group, 2- (propionylamino) ethyl group, 3- ( Acetylamino) propyl group, 3- (propionylamino) propyl group, 3- (isopropionylamino) propyl group, 3- (butyroylamino) propyl group, 3- (isobutyroylamino) propyl group, 3- (sec -Butyroylamino) propyl group, 3- (tert-butyroylamino) propyl group, 4- (acetylamino) butyl group, 5- (acetylamino) pentyl group and 6- (acetylamino) hexyl group It is done.
[0061]
Specific examples of the alkylamino group having 1 to 8 carbon atoms representing Q include a methylamino group, an ethylamino group, a propylamino group, an isopropylamino group, a butylamino group, an isobutylamino group, and a sec-butylamino group. Tert-butylamino group, neopentylamino group, 1-ethylpropylamino group, n-pentylamino group, hexylamino group, heptylamino group, octylamino group, and the like.
[0062]
Specific examples of the alkenyl group having 2 to 6 carbon atoms representing Q include an allyl group, an isopropenyl group, a 1-butenyl group, a 2-butenyl group, a 2-pentenyl group, and a 5-hexenyl group.
[0063]
Examples of the aralkyl group representing Q include a benzyl group and a phenethyl group.
[0064]
X in the tetrazoylhydroxyl body represented by the general formula (6)1Represents a hydrogen atom, a halogen atom, an alkyl group or an alkoxy group.
[0065]
X1Examples of the halogen atom represented by include chlorine atom, bromine atom, iodine atom and fluorine atom. Among these, a chlorine or fluorine atom is particularly preferable.
[0066]
X1As the alkyl group representing, an alkyl group having 1 to 4 carbon atoms is preferable, and specifically, a methyl group, an ethyl group, an n-propyl group, an isopropyl group, a 1,1-dimethylpropyl group, an n-butyl group. , Isobutyl group, sec-butyl group, tert-butyl group and the like. Among these, a methyl group is particularly preferable.
[0067]
X1As the alkoxy group representing the above, an alkoxy group having 1 to 3 carbon atoms is preferable, and specific examples include a methoxy group, an ethoxy group, a propoxy group, and an isopropoxy group. Among these, a methyl group is particularly preferable.
[0068]
Y in the tetrazoylhydroxyl body represented by the general formula (6)1Represents an alkyl group. Among the alkyl groups, an alkyl group having 1 to 3 carbon atoms such as a methyl group, an ethyl group, an n-propyl group, and an isopropyl group is preferable, and a methyl group is particularly preferable.
[0069]
X in the tetrazoylhydroxyl body represented by the general formula (7)2Represents an alkyl group, an alkoxy group, a cyano group, a methanesulfonyl group, a nitro group, a trifluoromethyl group or an aryl group.
[0070]
X2As the alkyl group representing, a carbon atom such as methyl group, ethyl group, n-propyl group, isopropyl group, 1,1-dimethylpropyl group, n-butyl group, isobutyl group, sec-butyl group, tert-butyl group An alkyl group having 1 to 4 is preferable, and among these, a methyl group or a tert-butyl group is particularly preferable.
[0071]
X2As the alkoxy group representing, an alkoxy group having 1 to 3 carbon atoms such as a methoxy group, an ethoxy group, a propoxy group, and an isopropoxy group is preferable, and among these, a methoxy group is particularly preferable.
[0072]
X2Specific examples of the aryl group represented by include phenyl group, 4-methylphenyl group and 4-chlorophenyl group, and among these, phenyl group is particularly preferable.
[0073]
Y2As the alkyl group representing, an alkyl group having 1 to 3 carbon atoms such as a methyl group, an ethyl group, an n-propyl group, and an isopropyl group is preferable, and a methyl group is particularly preferable.
[0074]
Among the compounds represented by the general formula (1), Z is a general formula.
QC (= O) NH-
(Wherein Q represents an alkyl group having 1 to 8 carbon atoms or an alkoxyl group having 1 to 8 carbon atoms), and Het is a pyridyl group represented by the general formula (4) Or a tetrazoyloxime derivative which is a thiazoyl group represented by the general formula (5) is preferred, and a tetrazoyloxime derivative wherein X is a hydrogen atom or a halogen atom is particularly preferred.
[0075]
The oxime moiety present in the tetrazoyloxime derivative represented by the general formula (1) and the tetrazoylhydroxyimino derivative represented by the general formula (6) or the general formula (7) includes (E) isomer and (Z ), And these two stereoisomers and mixtures thereof are included in the present invention. Usually, the synthesized product is obtained only as the (Z) isomer or as a mixture of the (E) isomer and the (Z) isomer. Two isomers can be isolated from the mixture of (E) and (Z) isomers by separation and purification.
[0076]
In the tetrazoyl oxime derivative of the general formula (1), the (Z) form is superior to the plant disease control activity than the (E) form. However, the (Z) body also tends to stabilize at a certain ratio as a mixture of the (E) body and the (Z) body due to the action of light or the like in the natural environment, and partly changes to the (E) body. Both compounds and mixtures thereof are also useful. In addition, since the stabilization ratio of (E) body and (Z) body changes with each compound, it cannot specify collectively.
[0077]
(Production method)
In the tetrazoyl oxime derivative represented by the general formula (1), when the tetrazoyl group is a tetrazoyl group represented by the general formula (2), the tetrazoyl group is represented by the general formula (3) by the production method (A). Can be produced by the production method (B). However, the method for producing the tetrazoyloxime derivative of the present invention is not limited to these production methods.
[0078]
Manufacturing method (A)
[0079]
Embedded image
[0080]
(In the formula, X, Y and Het are the same as X, Y and Het already defined in the general formula (1), and L represents a chlorine atom, a bromine atom or an iodine atom.)
[0081]
In the production method (A), a tetrazoylmethanone derivative represented by the general formula (a-1) is reacted with hydroxylamine to obtain a tetrazoylhydroxyimino derivative represented by the general formula (2 ′). A compound represented by the general formula (b) in the presence of sodium hydride, sodium hydroxide, potassium hydroxide, sodium carbonate, potassium carbonate, cesium carbonate, triethylamine, pyridine, N, N-dimethylaminopyridine, etc. To produce a tetrazoyloxime derivative represented by the general formula (1-a).
[0082]
The tetrazoylmethanone derivative represented by the general formula (a-1) as a raw material is, for example, a 1-alkyltetrazole according to the method described in the literature (Can. J. Chem., 49, 2139, 1971). It can be easily produced by the reaction between the ester and the ester.
[0083]
Manufacturing method (B)
[0084]
Embedded image
[0085]
(In the formula, X, Y and Het are the same as X, Y and Het already defined in the general formula (1), and L represents a chlorine atom, a bromine atom or an iodine atom.)
[0086]
In the production method (B), in the presence of a base (for example, sodium hydride, sodium hydroxide, potassium hydroxide, sodium carbonate, potassium carbonate, cesium carbonate, triethylamine, pyridine, N, N-dimethylaminopyridine, etc.) The tetrazoylhydroxyimino derivative represented by the general formula (7 ′) is reacted with the compound represented by the general formula (b) to produce a tetrazoyloxime derivative represented by the general formula (1-b).
[0087]
The tetrazoylhydroxyimino compound represented by the general formula (7 ′) as a raw material is, for example, a 5-alkyltetrazole according to the method described in the literature (Bull. Soc. Chim. Belg. 96, 675, 1987). Can be easily produced by reacting phenylhydroxyiminoyl chloride in the presence of triethylamine.
[0088]
Specific structures of the tetrazoyloxime derivatives represented by the general formula (1) of the present invention produced by the above-described method are shown in Tables 1 to 23. In the table, X, Y, Z and R represent the same meaning as defined in the general formula (1), and cycl represents a cyclic structure.
[0089]
Embedded image
[0090]
[Table 1]
[0091]
Embedded image
[0092]
[Table 2]
[0093]
Embedded image
[0094]
[Table 3]
[0095]
Embedded image
[0096]
[Table 4]
[0097]
Embedded image
[0098]
[Table 5]
[0099]
Embedded image
[0100]
[Table 6]
[0101]
Embedded image
[0102]
[Table 7]
[0103]
Embedded image
[0104]
[Table 8]
[0105]
Embedded image
[0106]
[Table 9]
[0107]
Embedded image
[0108]
[Table 10]
[0109]
Embedded image
[0110]
[Table 11]
[0111]
Embedded image
[0112]
[Table 12]
[0113]
Embedded image
[0114]
[Table 13]
[0115]
Embedded image
[0116]
[Table 14]
[0117]
Embedded image
[0118]
[Table 15]
[0119]
Embedded image
[0120]
[Table 16]
[0121]
Embedded image
[0122]
[Table 17]
[0123]
Embedded image
[0124]
[Table 18]
[0125]
Embedded image
[0126]
[Table 19]
[0127]
[Table 20]
[0128]
Embedded image
[0129]
[Table 21]
[0130]
Embedded image
[0131]
[Table 22]
[0132]
Embedded image
[0133]
[Table 23]
[0134]
The tetrazoyl oxime derivative of the present invention has a strong activity against various phytopathogenic fungi, and exhibits a strong control effect for the prevention and treatment of plant diseases caused by phytopathogenic fungi. The tetrazoyl oxime derivative of the present invention is particularly effective against various plant diseases caused by filamentous fungi among plant pathogens, and control of plant diseases caused by oomycetes, zygomycetes, ascomycetous fungi, basidiomycetes and incomplete fungi Are particularly preferably used. Although the example of a plant pathogenic microbe is given below, it is not limited to this.
[0135]
Examples of the oomycetes include, for example, Pythium genus such as Pythium ultimum of various crops; Phytophthora infestans and Phytophthora genus such as tomato gray plague (Phytophthora capsici); (Pseudoperonospora cubensis), Pseudoperonospora genus such as hop downy mildew (Pseudoperonospora humuli); Plasmopara genus such as grape downy mildew (Plasmopara viticola); Brassicaceae downy mildew (Peronospora brassicae), Negi downy mildew ( Peronospora destructor), and Peronospora genus bacteria such as spinach downy mildew (Peronospora spinaciae).
[0136]
Examples of Ascomycetes include Erysiphe genus such as wheat powdery mildew (Erysiphe graminis); Sphaerotheca genus such as vegetable powdery mildew (Sphaerotheca fuliginea); Venturia inaequalis; Genus Venturia such as (Venturia nashicola); Pyrenophora genus such as Pyrenophora teres; Cochliobolus such as Cochliobolus sativus; Sclerotinia sclerotiorumia such as Sclerotinia sclerotiorrotinia And the like.
[0137]
Basidiomycetes include, for example, Puccinia genus such as wheat rust (Puccinia recondita); Tilletia genus such as wheat tuna rot (Tilletia caries); Ustilago genus such as barley naked smut (Ustilago nuda), etc. Can be mentioned.
[0138]
Examples of incomplete fungi include, for example, Phoma genus such as Phoma asparagi; Septoria genus such as Septoria nodorum; Colletotrichum genus such as Colletotrichum lagenarium Fungi; Pyricularia spp. Such as rice blast fungus (Pyricularia oryzae); Botrytis spp. Such as vegetable gray mold fungus (Botrytis cinerea); Alternaria mali; Alternaria such as tomato rot fungus (Alternaria solani) Examples include: Genus; Cercospora genus such as sugar beet brown (Cercospora beticola); Cladosporium genus such as Cladosporium carpophilum; Rhizoctonia genus such as Rhizoctonia solani.
[0139]
The tetrazoyl oxime derivative of the present invention can be used alone as an agrochemical. Usually, the tetrazoyl oxime derivative is used as an active ingredient, and a conventional solid carrier, liquid carrier, dispersant, dilution used in an agricultural chemical formulation. Can be used by mixing with adjuvants such as emulsifiers, emulsifiers, spreading agents and thickeners, and formulating into dosage forms such as wettable powders, liquids, oils, powders, granules or sols (flowable). it can.
[0140]
Examples of the solid carrier or liquid carrier include talc, clay, bentonite, kaolin, diatomaceous earth, montmorillonite, mica, vermiculite, gypsum, calcium carbonate, white carbon, wood powder, starch, alumina, silicate, sugar polymer, Waxes, water, alcohols (methyl alcohol, ethyl alcohol, n-propyl alcohol, isopropyl alcohol, n-butyl alcohol, ethylene glycol, benzyl alcohol, etc.), petroleum fractions (petroleum ether, kerosene, solvent naphtha, etc.), fat Aromatic or alicyclic hydrocarbons (n-hexane, cyclohexane, etc.), aromatic hydrocarbons (benzene, toluene, xylene, ethylbenzene, chlorobenzene, cumene, methylnaphthalene, etc.), halogenated hydrocarbons (chloroform, dichloromethane) ), Ethers (isopropyl ether, ethylene oxide, tetrahydrofuran, etc.), ketones (acetone, methyl ethyl ketone, cyclohexanone, methyl isobutyl ketone, etc.), esters (ethyl acetate, butyl acetate, ethylene glycol acetate, amyl acetate, etc.), Acid amides (dimethylformamide, dimethylacetanilide, etc.), nitriles (acetonitrile, propionitrile, acrylonitrile, etc.), sulfoxides (dimethylsulfoxide, etc.), alcohol ethers (ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, etc.), Etc.
[0141]
Examples of auxiliary agents include nonionic surfactants (polyoxyethylene alkyl ethers, polyoxyethylene alkyl esters, polyoxyethylene alkyl phenyl ethers, polyoxyethylene sorbitan alkyl esters, sorbitan alkyl esters, etc.), anionic interfaces Activators (alkyl benzene sulfonate, alkyl sulfosuccinate, polyoxyethylene alkyl sulfate, aryl sulfonate, etc.), cationic surfactants (alkyl amines, polyoxyethylene alkyl amines, quaternary ammonium salts, etc.) , Amphoteric surfactants (alkylaminoethylglycine, alkyldimethylbetaine, etc.), polyvinyl alcohol, hydroxypropylcellulose, carboxymethylcellulose, gum arabic, tiger Ntogamu, xanthan gum, polyvinyl acetate, gelatin, casein, sodium alginate, and the like.
[0142]
Furthermore, the tetrazoyl oxime derivative of the present invention may be used by mixing with various known and conventional agricultural and horticultural fungicides, herbicides, plant growth regulators, insecticides, acaricides, fertilizers and the like. it can. The content of the tetrazoyl oxime derivative of the present invention in the agricultural chemicals varies depending on the preparation form, application method, and other conditions, but is preferably in the range of 0.5 to 95% by mass, particularly in the range of 2 to 70% by mass. preferable.
[0143]
Examples of the application method of the agricultural chemical of the present invention include application to plants (stem and foliage application), application to plant growing soil (soil application), application to paddy water (water application), application to seeds (seed treatment), and the like. Is possible.
[0144]
The application rate of the agricultural chemical of the present invention varies depending on the applied plant, the applied disease, etc., but in the case of foliage spraying, the active ingredient concentration is in the range of 1 to 10000 ppm, preferably 10 to 1000 ppm of 50 to 10 are. It is preferable to apply 300 L, and in the case of soil application and water surface application, it is preferable to apply 0.1 to 1000 g, particularly preferably 10 to 100 g per 10 ares in terms of the active ingredient amount. In the case of seed treatment, it is preferable to apply 0.001 to 50 g of an active ingredient per 1 kg of seed.
[0145]
【Example】
Next, the present invention will be described with reference to Production Examples, Formulation Examples, and Test Examples, but the present invention is not limited to these examples.
[0146]
First, production examples of tetrazoylhydroxyimino derivatives are shown.
[0147]
(Production Example 1)
11.1 g (59.1 mmol) of (1-methyltetrazol-5-yl) phenylmethanone and 10.3 g (148 mmol) of hydroxylammonium chloride were added to 100 ml of pyridine and stirred at 45 ° C. for 24 hours. After completion of the reaction, the reaction solution was concentrated under reduced pressure, and water and ethyl acetate were added to the resulting residue to extract the reaction product. The organic layer was washed successively with dilute hydrochloric acid, water, and aqueous sodium hydrogen carbonate solution, and then the organic layer was dried over anhydrous magnesium sulfate. Evaporate the solvent from the organic layer to obtain the formula
[0148]
Embedded image
[0149]
(1-methyltetrazol-5-yl) phenylmethanone oxime represented by 12.0 g (yield 100%) was obtained.
[0150]
1H-NMR (CDClThree, δ): 4.03 (s, 3H), 7.3 to 7.55 (m, 5H), 9.0 (brd, 1H).
[0151]
(Production Example 2)
In Production Example 1, instead of (1-methyltetrazol-5-yl) phenylmethanone, 560 mg (2.52 mmol) of (1-methyltetrazol-5-yl) 4-chlorophenylmethanone was used. Similar to Production Example 1, the formula
[0152]
Embedded image
[0153]
600 mg of (1-methyltetrazol-5-yl) 4-chlorophenylmethanone oxime represented by the formula:
[0154]
1H-NMR (CDClThree, δ): 4.04 (s, 3H), 7.36 (m, 2H), 7.46 (m, 2H), 9.00 (brd, 1H).
[0155]
(Production Example 3)
In Production Example 1, instead of (1-methyltetrazol-5-yl) phenylmethanone, 964 mg (4.68 mmol) of 1-methyltetrazol-5-yl) 3-fluorophenylmethanone was used. Similar to Production Example 1, the formula
[0156]
Embedded image
[0157]
999 mg of (1-methyltetrazol-5-yl) 3-fluorophenylmethanone oxime represented by the formula:
[0158]
1H-NMR (CDClThree, δ): 4.04 (s, 3H), 7.11 (m, 1H), 7.2-7.5 (m, 3H), 12.31 (brd, 1H).
[0159]
(Production Example 4)
In Production Example 1, instead of (1-methyltetrazol-5-yl) phenylmethanone, 850 mg (4.14 mmol) of (1-methyltetrazol-5-yl) 4-fluorophenylmethanone was used. In the same manner as in Production Example 1, the formula
[0160]
Embedded image
[0161]
930 mg of (1-methyltetrazol-5-yl) 4-fluorophenylmethanone oxime represented by the formula:
[0162]
1H-NMR (CDClThree, δ): 4.05 (s, 3H), 7.08 (dd, 1H, J = 8.6, 8.6Hz), 7.53 (m, 2H), 8.68 (brd, 1H).
[0163]
(Production Example 5)
In Production Example 1, instead of (1-methyltetrazol-5-yl) phenylmethanone, 386 mg (1.77 mmol) of (1-methyltetrazol-5-yl) 4-methoxyphenylmethanone was used. In the same manner as in Production Example 1, the formula
[0164]
Embedded image
[0165]
410 mg of (1-methyltetrazol-5-yl) 4-methoxyphenylmethanone oxime represented by
[0166]
1H-NMR (CDClThree, δ): 3.83 (s, 3H), 4.03 (s, 3H), 6.89 (m, 2H), 7.45 (m, 2H), 8.36 (brd, 1H).
[0167]
(Production Example 6)
In Production Example 1, 1.36 g (6.78 mmol) of (1-methyltetrazol-5-yl) 3-methylphenylmethanone was used instead of (1-methyltetrazol-5-yl) phenylmethanone. Except for the same as in Production Example 1, the formula
[0168]
Embedded image
[0169]
1.31 g of (1-methyltetrazol-5-yl) 3-methylphenylmethanone oxime represented by
[0170]
1H-NMR (CDClThree, δ): 2.31 (s, 3H), 3.99 (s, 3H), 7.2-7.3 (m, 5H), 9.92 (brd, 1H).
[0171]
(Production Example 7)
In Production Example 1, 1.65 g (8.16 mmol) of (1-methyltetrazol-5-yl) 4-methylphenylmethanone was used instead of (1-methyltetrazol-5-yl) phenylmethanone. Except for the same as in Production Example 1, the formula
[0172]
Embedded image
1.67 g of (1-methyltetrazol-5-yl) 4-methylphenylmethanone oxime represented by
[0173]
1H-NMR (CDClThree, δ): 2.37 (s, 3H), 4.01 (s, 3H), 7.18 (m, 2H), 7.37 (m, 2H), 9.02 (brd, 1H).
[0174]
(Production Example 8)
In Production Example 1, 1.90 g (9.40 mmol) of (1-methyltetrazol-5-yl) 2-methylphenylmethanone was used instead of (1-methyltetrazol-5-yl) phenylmethanone. Except for the same as in Production Example 1,
[0175]
Embedded image
[0176]
1.93 g of (1-methyltetrazol-5-yl) 2-methylphenylmethanone oxime was obtained.
[0177]
1H-NMR (CDClThree, δ):
Z body: 2.22 (s, 3H), 4.06 (s, 3H), 7.2 to 7.4 (m, 4H), 9.05 (brd, 1H).
E body: 2.21 (s, 3H), 4.31 (s, 3H), 7.15-7.45 (m, 4H), 8.43 (brd, 1H).
[0178]
(Production Example 9)
In Production Example 1, instead of (1-methyltetrazol-5-yl) phenylmethanone, 1.00 g (4.95 mmol) of (1-ethyltetrazol-5-yl) phenylmethanone was used. Similar to Production Example 1, the formula
[0179]
Embedded image
[0180]
(1-ethyltetrazol-5-yl) phenylmethanone oxime represented by 1.00 g was obtained.
[0181]
1H-NMR (CDClThree, δ): 1.51 (t, J = 7.3Hz, 3H), 4.35 (q, J = 7.3Hz, 2H), 7.33-7.55 (m, 5H), 10.45 (brd, 1H).
[0182]
(Production Example 10)
To a solution obtained by dissolving 2.78 g (20 mmol) of 3-fluorobenzoaldoxime in 25 ml of N, N-dimethylformamide, 2.80 g (21 mmol) of N-chlorosuccinimide was added while keeping the liquid temperature at 45 ° C. or lower. After adding and stirring at room temperature for 1 hour, the reaction solution was poured into saturated aqueous ammonium chloride and extracted with ethyl acetate. The organic layer was washed successively with water and saturated brine, and then the organic layer was dried over anhydrous sodium sulfate. The solvent was distilled off from the organic layer, and 1.70 g (20 mmol) of 5-methyltetrazole and 25 ml of dichloromethane were added to the obtained residue. To this solution, 3.6 ml (1.26 mmol) of triethylamine was added dropwise at room temperature. After stirring at room temperature for 6 hours, the reaction solution was poured into saturated aqueous ammonium chloride and extracted with ethyl acetate. The organic layer was washed successively with water and saturated brine, and then dried over anhydrous sodium sulfate. The solvent was distilled off, and the resulting residue was purified using silica gel column chromatography.
[0183]
Embedded image
[0184]
(5-methyltetrazol-1-yl) -3-fluorophenylmethanone oxime represented by the formula 1.40 g was obtained.
[0185]
1H-NMR (CDClThree, δ): 2.57 (s, 3H), 7.06 to 7.09 (m, 1H), 7.18 to 7.27 (m, 2H), 7.36 to 7.43 (m, 1H), 8.67 (s, 1H).
[0186]
(Production Example 11)
In Production Example 10, the same procedure as in Production Example 10 was carried out except that 2.78 g (20 mmol) of 4-fluorobenzoaldoxime was used instead of 3-fluorobenzoaldoxime.
[0187]
Embedded image
[0188]
1.00 g of (5-methyltetrazol-1-yl) -4-fluorophenylmethanone oxime represented by
[0189]
1H-NMR (CDClThree, δ): 2.53 (s, 3H), 7.06 to 7.12 (m, 2H), 7.38 to 7.45 (m, 2H), 12.11 (s, 1H).
[0190]
(Production Example 12)
In Production Example 10, the same procedure as in Production Example 10 was carried out except that 3.11 g (20 mmol) of 3-chlorobenzoaldoxime was used instead of 3-fluorobenzoaldoxime.
[0191]
Embedded image
[0192]
2.05-g of (5-methyltetrazol-1-yl) -3-chlorophenylmethanone oxime represented by
[0193]
1H-NMR (CDClThree, δ): 2.58 (s, 3H), 7.20-7.23 (m, 1H), 7.33-7.38 (m, 2H), 7.46-7.51 (m, 1H), 9.22 (s, 1H).
[0194]
(Production Example 13)
In Production Example 10, the same procedure as in Production Example 10 was carried out except that 3.11 g (20 mmol) of 4-chlorobenzoaldoxime was used instead of 3-fluorobenzoaldoxime.
[0195]
Embedded image
[0196]
Thus, 2.17 g of (5-methyltetrazol-1-yl) -4-chlorophenylmethanone oxime represented by the following formula was obtained.
[0197]
1H-NMR (CDClThree, δ): 2.53 (s, 3H), 7.33 to 7.39 (m, 4H), 12.07 (s, 1H).
[0198]
(Production Example 14)
In Production Example 10, the same procedure as in Production Example 10 was carried out except that 2.70 g (20 mmol) of 4-methylbenzoaldoxime was used instead of 3-fluorobenzoaldoxime.
[0199]
Embedded image
[0200]
Thus, 2.50 g of (5-methyltetrazol-1-yl) -4-methylphenylmethanone oxime represented by the formula:
[0201]
1H-NMR (CDClThree, δ): 2.39 (s, 3H), 2.56 (s, 3H), 7.20-7.30 (m, 4H), 8.69 (s, 1H).
[0202]
(Production Example 15)
In Production Example 10, the same procedure as in Production Example 10 was carried out except that 3.20 g (20 mmol) of 4-methoxybenzoaldoxime was used instead of 3-fluorobenzoaldoxime.
[0203]
Embedded image
[0204]
1.5-g of (5-methyltetrazol-1-yl) -4-methoxyphenylmethanone oxime represented by
[0205]
1H-NMR (CDClThree, δ): 2.55 (s, 3H), 3.84 (s, 3H), 6.89 to 6.94 (m, 2H), 7.30 to 7.35 (m, 2H), 8.13 (s, 1H).
[0206]
(Production Example 16)
In Production Example 10, the same procedure as in Production Example 10 was conducted, except that 2.92 g (20 mmol) of 4-cyanobenzoaldoxime was used instead of 3-fluorobenzoaldoxime.
[0207]
Embedded image
[0208]
1.70 g of (5-methyltetrazol-1-yl) -4-cyanophenylmethanone oxime represented by the formula:
[0209]
1H-NMR (CDClThree, δ): 2.54 (s, 3H), 7.53 to 7.56 (m, 2H), 7.68 to 7.71 (m, 2H), 12.71 (s, 1H).
[0210]
(Production Example 17)
In Production Example 10, the same procedure as in Production Example 10 was carried out except that 1.30 g (6.5 mmol) of 4-methylsulfonylbenzoaldoxime was used instead of 3-fluorobenzoaldoxime.
[0211]
Embedded image
[0212]
To 1.20 g of (5-methyltetrazol-1-yl) -4-methylsulfonylphenylmethanone oxime represented by the formula:
[0213]
1H-NMR (CDClThree, δ): 2.55 (s, 3H), 3.08 (s, 3H), 7.62-7.65 (m, 2H), 7.95-7.98 (m, 2H), 12.68 (s, 1H).
[0214]
(Production Example 18)
In Production Example 10, the same procedure as in Production Example 10 was carried out except that 3.32 g (20 mmol) of 4-nitrobenzoaldoxime was used instead of 3-fluorobenzoaldoxime.
[0215]
Embedded image
[0216]
1.00 g of (5-methyltetrazol-1-yl) -4-nitrophenylmethanone oxime represented by
[0217]
1H-NMR (CDClThree, δ): 2.55 (s, 3H), 7.61-7.64 (m, 2H), 8.24-8.26 (m, 2H), 12.72 (s, 1H).
[0218]
(Production Example 19)
In Production Example 10, the same procedure as in Production Example 10 was carried out except that 3.78 g (20 mmol) of 4-trifluoromethylbenzoaldoxime was used instead of 3-fluorobenzoaldoxime.
[0219]
Embedded image
[0220]
In this way, 0.78 g of (5-methyltetrazol-1-yl) -4-trifluoromethylphenylmethanone oxime represented by the formula:
[0221]
1H-NMR (CDClThree, δ): 2.54 (s, 3H), 7.55 (d, 2H, J = 8.41Hz), 7.66 (d, 2H, J = 8.41Hz), 12.26 (s, 1H).
[0222]
(Production Example 20)
In Production Example 10, in place of 3-fluorobenzoaldoxime, except that 1.49 g (10 mmol) of 4-ethylbenzoaldoxime was used, the same procedure as in Production Example 10 was repeated.
[0223]
Embedded image
[0224]
(5-methyltetrazol-1-yl) -4-ethylphenylmethanone oxime represented by the formula 1.35 g was obtained.
[0225]
1H-NMR (CDClThree, δ): 1.34 (t, 3H, J = 7.51Hz), 2.56 (s, 3H), 2.69 (q, 2H, J = 7.69H), 7.22 ~ 7.32 (4H, m), 8.69 (s, 1H) .
[0226]
(Production Example 21)
In Production Example 10, the same procedure as in Production Example 10 was carried out except that 1.77 g (10 mmol) of 4-tert-butylbenzoaldoxime was used instead of 3-fluorobenzoaldoxime.
[0227]
Embedded image
[0228]
(5-methyltetrazol-1-yl) -4-tert-butylphenylmethanone oxime represented by the formula 1.35 g was obtained.
[0229]
1H-NMR (CDClThree, δ): 1.33 (s, 9H), 2.55 (s, 3H), 7.32 (d, 2H, J = 8.62Hz), 7.44 (d, 2H, J = 8.62Hz), 7.99 (s, 1H).
[0230]
(Production Example 22)
In Production Example 10, the same procedure as in Production Example 10 was carried out except that 1.97 g (20 mmol) of 4-biphenylaldoxime was used instead of 3-fluorobenzoaldoxime.
[0231]
Embedded image
[0232]
(5-methyltetrazol-1-yl) -4-biphenylmethanone oxime represented by the formula 1.20 g was obtained.
[0233]
1H-NMR (CDClThree, δ): 2.56 (s, 3H), 7.29 to 7.49 (m, 5H), 7.58 to 7.63 (m, 4H), 12.05 (s, 1H)
[0234]
(Production Example 23)
In Production Example 10, 2.00 g (20.4 mmol) of 5-ethyltetrazole was used instead of 5-methyltetrazole, and 2.70 g (22 mmol) of benzaldoxime was used instead of 3-fluorobenzoaldoxime. ) In the same manner as in Production Example 10, except that
[0235]
Embedded image
[0236]
1.93 g of (5-ethyltetrazol-1-yl) phenylmethanone oxime represented by
[0237]
1H-NMR (CDClThree, δ): 1.37 (t, J = 7.6Hz, 3H), 2.88 (q, J = 7.6Hz, 2H), 7.35 ~ 7.55 (m, 5H), 9.42 (s, 1H).
[0238]
Next, production examples of tetrazoyloxime derivatives will be shown.
[0239]
(Production Example 24)
1.40 g (60% in oil) of sodium hydride was suspended in 30 ml of dry N, N-dimethylformamide and cooled in an ice bath to obtain (1-methyltetrazol-5-yl) obtained in Production Example 1. ) A solution consisting of 2.6 g (12.6 mmol) of phenylmethanone oxime and 15 ml of dry N, N-dimethylformamide was added dropwise. After stirring for 10 minutes, 4.0 g (14 mmol) of 2-bromomethyl-6- (hexanoylamino) pyridine dissolved in 15 ml of dry N, N-dimethylformamide was further added dropwise. After completion of the dropping, the ice bath was removed and stirring was continued for 1.5 hours. The reaction solution was poured into saturated aqueous ammonium chloride, and the reaction product was extracted with ethyl acetate. The organic layer was washed successively with water and saturated brine, and then the organic layer was dried over anhydrous sodium sulfate. The solvent was distilled off from the organic layer, and the resulting residue was purified using silica gel column chromatography to obtain the formula
[0240]
Embedded image
[0241]
(Z)-(1-Methyltetrazol-5-yl) phenylmethanone oxime 0- (6- (hexanoylamino) pyridin-2-yl) methyl oxime (Compound No. (1) -12) 3 Obtained .55 g.
[0242]
1H-NMR (CDClThree, δ): 0.91 (t, 3H, J = 7.2Hz), 1.37 (m, 4H), 1.74 (m, 2H), 2.39 (t, 2H, J = 7.7Hz), 3.97 (s, 3H), 5.26 (s, 2H), 7.00 (d, 1H, J = 7.3Hz), 7.3 to 7.55 (m, 5H), 7.70 (dd, 1H, J = 7.3, 8.1Hz), 7.86 (brd, 1H), 8.15 ( d, 1H, J = 8.1Hz).
[0243]
(Production Example 25)
60 mg (0.30 mmol) of (1-methyltetrazol-5-yl) phenylmethanone oxime obtained in Production Example 1 and 85 mg (0.32 mmol) of 4-chloromethyl-2- (n-pentyloxycarbonylamino) thiazole ) Was dissolved in 4 ml of dry N, N-dimethylformamide, and 40 mg (60% in oil) of sodium hydride was added to this solution while cooling in an ice bath. After removing the ice bath, stirring was continued for 3 hours, and then the reaction solution was poured into saturated aqueous ammonium chloride and extracted with ethyl acetate. The organic layer was washed successively with water and saturated brine, and then the organic layer was dried over anhydrous magnesium sulfate. The solvent was distilled off from the organic layer, and the resulting residue was purified using silica gel column chromatography.
[0244]
Embedded image
[0245]
(Z)-(1-Methyltetrazol-5-yl) phenylmethanone oxime 0- (2- (n-pentyloxycarbonylamino) thiazol-4-yl) methyl oxime (Compound No. (4)- 9) 120 mg was obtained.
[0246]
1H-NMR (CDClThree): 0.89 (t, 3H, J = 7.0Hz), 1.34 (m, 4H), 1.68 (m, 2H), 3.87 (s, 3H), 4.23 (t, 2H, J = 6.9Hz), 5.30 (s , 2H), 6.89 (s, 1H), 7.30-7.55 (m, 5H), 10.21 (brd, 1H).
[0247]
(Production Example 26)
1.79 g of sodium hydride (60% oil) was suspended in 60 ml of dry N, N-dimethylformamide, and this was suspended in (Z)-(5-methyltetrazol-1- Yl) A solution consisting of 8.24 g (40.6 mmol) of phenylmethanone oxime and 30 ml of dry N, N-dimethylformamide was added dropwise and stirring was continued for 10 minutes, followed by 2-bromomethyl-6- (hexanoylamino). A solution consisting of 12.7 g (44.5 mmol) of pyridine and 40 ml of dry N, N-dimethylformamide was added dropwise. After completion of the dropwise addition, the ice bath was removed and stirring was continued for another 2 hours. The reaction solution was poured into saturated aqueous ammonium chloride, and the reaction product was extracted with ethyl acetate. The organic layer was washed successively with water and saturated brine, and then the organic layer was dried over anhydrous sodium sulfate. The solvent was distilled off from the organic layer, and the resulting residue was purified using silica gel column chromatography to obtain the formula
[0248]
Embedded image
[0249]
(Z)-(5-methyltetrazol-1-yl) phenylmethanone oxime 0- (6- (hexanoylamino) pyridin-2-yl) methyl oxime (Compound No. (11) -12) 10 .5 g was obtained.
[0250]
1H-NMR (CDClThree, δ): 0.91 (t, 3H, J = 7.1Hz), 1.31-1.38 (m, 4H), 1.70-1.77 (m, 2H), 2.45 (t, 2H, J = 7.5Hz), 2.46 (s, 3H), 5.23 (s, 2H), 6.92 (s, 1H), 7.34-7.53 (m, 5H), 9.10 (brd, 1H).
[0251]
(Production Example 27)
100 mg (0.42 mmol) of (Z)-(5-methyltetrazol-1-yl) phenylmethanone oxime and 120 mg (0.51 mmol) of 4-chloromethyl-2- (n-hexanoylamino) thiazole were dried. While dissolving in 2 ml of N, N-dimethylformamide and cooling with an ice bath, 40 mg (60% in oil) of sodium hydride was added to the solution, and then the ice bath was removed and stirring was continued for another 3 hours. The reaction solution was poured into saturated aqueous ammonium chloride, and the reaction product was extracted with ethyl acetate. The organic layer was washed successively with water and saturated brine, and then the organic layer was dried over anhydrous magnesium sulfate. The solvent was distilled off from the organic layer, and the resulting residue was purified using silica gel column chromatography to obtain the formula
[0252]
Embedded image
[0253]
(Z)-(5-methyltetrazol-1-yl) phenylmethanone oxime 0- (2- (n-hexanoylamino) thiazol-4-yl) methyl oxime (Compound No. (12) -12) ) 117 mg was obtained.
[0254]
1H-NMR (CDClThree): 0.91 (t, 3H, J = 7.1Hz), 1.31-1.38 (m, 4H), 1.70-1.77 (m, 2H), 2.45 (t, J = 7.5Hz, 2H), 2.46 (s, 3H) , 5.23 (s, 2H), 6.92 (s, 1H), 7.34-7.53 (m, 5H), 9.10 (brd, 1H).
[0255]
Tetrazoyl oxime derivatives produced in the same manner as in these production examples1The NMR spectrum data is summarized and shown in Tables 24-45 below. The indication of the compound in a table | surface shows that the compound of (1) -1 is a compound of 1 of Table 1, for example. Further, the column “Z / E” in the table represents the (Z) isomer or the (E) isomer.
[0256]
[Table 24]
[0257]
[Table 25]
[0258]
[Table 26]
[0259]
[Table 27]
[0260]
[Table 28]
[0261]
[Table 29]
[0262]
[Table 30]
[0263]
[Table 31]
[0264]
[Table 32]
[0265]
[Table 33]
[0266]
[Table 34]
[0267]
[Table 35]
[0268]
[Table 36]
[0269]
[Table 37]
[0270]
[Table 38]
[0271]
[Table 39]
[0272]
[Table 40]
[0273]
[Table 41]
[0274]
[Table 42]
[0275]
[Table 43]
[0276]
[Table 44]
[0277]
[Table 45]
[0278]
Next, the example of the formulation using the compound of this invention is shown. Unless otherwise indicated, the compound of this invention used for the formulation example and the prevention | control test is a mixture of (Z) body and (E) body.
[0279]
(Formulation example 1) wettable powder
20 parts by mass of the tetrazoyloxime derivatives shown in Tables 1 to 23 were each adsorbed to 30 parts by mass of white carbon. To this was added 3 parts by weight of sodium polyoxyethylene lauryl sulfate, 50 parts by weight of polyoxyethylene alkylphenyl ether sulfate ammonium 8 parts by weight, 1 part by weight of sodium lignin sulfonate and 38 parts by weight of clay, and then mixed with a jet mill. Used to grind into wettable powder.
[0280]
(Formulation Example 2) Powder
Each of 2 parts by mass of the tetrazoyloxime derivative shown in Tables 1 to 23 was mixed with 98 parts by mass of clay and then pulverized to obtain a powder.
[0281]
(Formulation example 3) Granules
5 parts by mass of the tetrazoyl oxime derivative shown in Tables 1 to 23 were mixed with 90 parts by mass of an equimolar mixture of bentonite and talc and 5 parts by mass of sodium alkylbenzene sulfonate, pulverized, and then formed into granules.
[0282]
Next, test examples show that the compounds of the present invention are useful as active ingredients for various plant disease control agents. In addition, the disease state at the time of investigation was investigated according to the disease severity using the disease index shown below, and the disease severity and the control value were calculated from the following formulas and listed in Tables 47 to 56 below.
[0283]
Disease index
0: No disease
1: Disease area is less than 25%
2: Disease area is 25% or more and less than 50%
3: Disease area is 50% or more
[0284]
Disease severity (%) = [Σ (number of leaves by disease severity x index) ÷ (number of leaves surveyed x 3 (morbidity index maximum))] x 100
[0285]
Control value (%) = (morbidity of untreated area−morbidity of treated area) ÷ morbidity of untreated area × 100
[0286]
The following compounds were used as control agents.
Control agent 1: Manzeb wettable powder (a widely used mildew and plague control agent)
Control agent 2: Representative compound A described in JP-A-11-269176 (WO99 / 29689, European Patent Publication No. 1038874)
Control agents 3 and 4: Representative compounds B and C described in JP-A No. 2001-55387 (WO 00/75138, European Patent Publication No. 1184382)
[0287]
The active ingredient of Manzeb wettable powder used in Control 1 is a horticultural fungicide developed by Rohm and Haas, USA and registered in 1969, which has the formula
[0288]
Embedded image
[0289]
It is a zinc coordinated ethylene bisdithiocarbamate represented by
[0290]
Control agents 2, 3 and 4 are compounds specified by the following general formula and the following table.
[0291]
Embedded image
[0292]
[Table 46]
[0293]
As a control effect against grape downy mildew and tomato plague, there are mainly a protective effect and a therapeutic effect. The protective effect is that after spraying the test substance on the plant pot seedling for test, air-drying, inoculating the spore suspension of the target plant pathogen, and then placing the pot seedling under humid conditions to cause disease, and then in a greenhouse for a certain period of time It is an effect obtained by growing plant pot seedlings, and the therapeutic effect is that a test plant pot seedling is inoculated with a spore suspension of the target plant pathogenic fungus and placed under humid conditions to cause disease. After spraying and air-drying, it is the effect obtained by growing plant pot seedlings for a certain period in a greenhouse or the like.
[0294]
The test on the protective effect of the compound of the present invention was carried out against grape downy mildew and tomato plague together with the control agents 1, 2, 3, and 4. All the compounds of the present invention showed an effect exceeding that of the control agent 1, and the same or better effect than that of the control agents 2, 3, and 4. The test regarding the therapeutic effect was performed according to the following grape downy mildew control test (Test Example 1) and tomato plague control test (Test Example 2).
[0295]
(Test Example 1) Grape mildew control test (therapeutic effect)
Inoculated with a spore suspension of grape mildew (Plasmopara viticola) on 5-6 leaf grapes (variety: Neomuscat) grown in 1 / 10,000 Earl Wagner pots and placed in a 25 ° C wet room for 18 hours It was. After the leaves were air-dried, the wettable powder prepared according to the method of Formulation Example 1 was diluted with water so that the active ingredient concentration was 100 ppm, sprayed to the extent that the drug solution was dripped, and then caused in a greenhouse. . The severity of the disease was investigated 10 days after the inoculation. The results are shown in Tables 47 to 56 below.
[0296]
[Table 47]
[0297]
[Table 48]
[0298]
[Table 49]
[0299]
[Table 50]
[0300]
[Table 51]
[0301]
(Test Example 2) Tomato plague control trial (therapeutic effect)
A four-leaf stage tomato plant (variety: Toyofuku) that was raised in a plastic pot having a diameter of 9 cm was inoculated with a spore suspension of Phytophthora infestans and placed in a wet chamber at 20 ° C. for 18 hours. After the leaves were air-dried, the wettable powder prepared according to the method of Formulation Example 1 was diluted with water so that the active ingredient concentration was 100 ppm, sprayed to the extent that the drug solution was dripped, and then caused in a greenhouse. . The severity of the disease was investigated 7 days after the inoculation. The results are shown in Tables 52 to 56.
[0302]
[Table 52]
[0303]
[Table 53]
[0304]
[Table 54]
[0305]
[Table 55]
[0306]
[Table 56]
[0307]
From the results shown in the above table, it is clear that the tetrazoyl oxime derivative of the present invention has an excellent therapeutic effect compared to conventional heterocyclic-substituted oxime derivatives and conventional plant disease control agents. The plant disease control agent containing the tetrazoyl oxime derivative of the present invention, which is excellent in therapeutic effect, exhibits a sufficient plant disease control effect even if sprayed after confirming the pathogenesis of plant pathogens. Since reduction is possible, it is clear that it is excellent in terms of labor saving and cost saving.
[0308]
【The invention's effect】
The tetrazoyl oxime derivative represented by the general formula (1) of the present invention has little phytotoxicity to useful plants, and is useful as a pesticide, particularly a plant disease control agent. Moreover, since the agricultural chemical containing the tetrazoyl oxime derivative of the present invention as an active ingredient is more effective for treating plant diseases than conventional heterocyclic-substituted oxime derivatives, it is useful as a plant disease control agent. Furthermore, the tetrahydroxyimino derivative represented by the general formula (6) and the general formula (7) of the present invention is useful as an intermediate of the tetrazoyloxime derivative represented by the general formula (1) of the present invention.
Claims (11)
で表わされるテトラゾイル基又は一般式(3)
で表わされるテトラゾイル基を表わし、Hetは一般式(4)
(式中、Qは水素原子、炭素原子数1〜8のアルキル基、ハロゲン原子で置換された炭素原子数1〜6のアルキル基、炭素原子数3〜6のシクロアルキル基、炭素原子数1〜8のアルコキシル基、炭素原子数3〜6のシクロアルキルオキシ基、ベンジルオキシ基、2−フェニルエチルオキシ基、炭素原子数1〜4のアルキル基で置換されたチオアルキル基、炭素原子数1〜4のアルコキシル基で置換された炭素原子数1〜2のアルキル基、炭素原子数1〜4のアシルアミノ基で置換された炭素原子数1〜6のアルキル基、炭素原子数1〜4のアシルアミノ基で置換された炭素原子数1〜6のアルコキシ基、炭素原子数1〜8のアルキルアミノ基、炭素原子数2〜6のアルケニル基、アラルキル基又はフェニル基を表わす。)
で表わされる基を表わす。〕
で表わされるピリジル基又は一般式(5)
で表わされるチアゾイル基を表わす。]
で表わされるテトラゾイルオキシム誘導体。General formula (1)
A tetrazoyl group represented by the general formula (3)
Represents a tetrazoyl group represented by general formula (4)
(Wherein Q is a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an alkyl group having 1 to 6 carbon atoms substituted with a halogen atom, a cycloalkyl group having 3 to 6 carbon atoms, or 1 carbon atom) An alkoxyl group having 8 to 8 carbon atoms, a cycloalkyloxy group having 3 to 6 carbon atoms, a benzyloxy group, a 2-phenylethyloxy group, a thioalkyl group substituted with an alkyl group having 1 to 4 carbon atoms, and 1 to 1 carbon atoms An alkyl group having 1 to 2 carbon atoms substituted with 4 alkoxyl groups, an alkyl group having 1 to 6 carbon atoms substituted with an acylamino group having 1 to 4 carbon atoms, and an acylamino group having 1 to 4 carbon atoms Represents an alkoxy group having 1 to 6 carbon atoms, an alkylamino group having 1 to 8 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, an aralkyl group, or a phenyl group.
Represents a group represented by ]
Or a general formula (5)
Represents a thiazoyl group represented by: ]
A tetrazoyloxime derivative represented by:
QC(=O)NH−
(式中、Qは炭素原子数1〜8のアルキル基又は炭素原子数1〜8のアルコキシル基を表わす。)
で表わされる基であり、かつ、Hetが前記一般式(4)で表わされるピリジル基である請求項1に記載のテトラゾイルオキシム誘導体。Z is the general formula QC (= O) NH-
(In the formula, Q represents an alkyl group having 1 to 8 carbon atoms or an alkoxyl group having 1 to 8 carbon atoms.)
The tetrazoyloxime derivative according to claim 1, wherein Het is a pyridyl group represented by the general formula (4).
QC(=O)NH−
(式中、Qは炭素原子数1〜8のアルキル基又は炭素原子数1〜8のアルコキシル基を表わす。)
で表わされる基であり、かつ、Hetが前記一般式(5)で表わされるチアゾイル基である請求項1に記載のテトラゾイルオキシム誘導体。Z is the general formula QC (= O) NH-
(In the formula, Q represents an alkyl group having 1 to 8 carbon atoms or an alkoxyl group having 1 to 8 carbon atoms.)
The tetrazoyloxime derivative according to claim 1, wherein Het is a thiazoyl group represented by the general formula (5).
で表わされるテトラゾイルヒドロキシイミノ誘導体。General formula (6)
A tetrazoylhydroxyimino derivative represented by:
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KR101327670B1 (en) | 2007-08-08 | 2013-11-08 | 닛뽕소다 가부시키가이샤 | Tetrazoyloxime derivative and plant disease control agent |
US9060518B2 (en) * | 2008-01-15 | 2015-06-23 | Pierre-Yves Coqueron | Pesticide composition comprising a tetrazolyloxime derivative and a fungicide or an insecticide active substance |
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JP5322296B2 (en) * | 2008-08-20 | 2013-10-23 | 日本曹達株式会社 | Method for using plant disease control agent containing tetrazoyloxime derivative |
JP5550913B2 (en) * | 2009-01-05 | 2014-07-16 | 日本曹達株式会社 | Tetrazoyloxime derivative and salt thereof, and plant disease control agent |
ES2430598T3 (en) | 2009-03-02 | 2013-11-21 | Nippon Soda Co., Ltd. | Tetrazolyl oxime derivative, salt thereof and plant disease control agent |
US8273781B2 (en) * | 2009-03-11 | 2012-09-25 | Nippon Soda Co., Ltd. | Process for preparation of 1-alkyl-5-benzoyl-1H-tetrazole derivatives |
TWI528898B (en) * | 2009-12-28 | 2016-04-11 | 拜耳知識產權公司 | Fungicide hydroximoyl-heterocycles derivatives |
US9156816B2 (en) | 2010-02-26 | 2015-10-13 | Nippon Soda Co., Ltd. | Tetrazolyloxime derivative or salt thereof and fungicide |
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TWI547489B (en) * | 2012-02-09 | 2016-09-01 | 拜耳知識產權公司 | Process for the preparation of n-hydroxy-1-(1-alkyl-1h-tetrazol-5-yl)-1-phenylmethanimine derivatives |
MX362931B (en) * | 2012-07-19 | 2019-02-26 | Nippon Soda Co | Granular hydrating agent, and method for producing same. |
AU2019268861B2 (en) | 2018-05-16 | 2021-10-21 | Nippon Soda Co., Ltd. | Safener |
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