CA1111062A - Diphenyl ether derivatives, process for preparing the same and herbicidal compositions containing the same - Google Patents
Diphenyl ether derivatives, process for preparing the same and herbicidal compositions containing the sameInfo
- Publication number
- CA1111062A CA1111062A CA308,293A CA308293A CA1111062A CA 1111062 A CA1111062 A CA 1111062A CA 308293 A CA308293 A CA 308293A CA 1111062 A CA1111062 A CA 1111062A
- Authority
- CA
- Canada
- Prior art keywords
- group
- compound
- formula
- dichloro
- chloro
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 230000002363 herbicidal effect Effects 0.000 title abstract description 40
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical class C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 title abstract description 37
- 239000000203 mixture Substances 0.000 title description 28
- 125000005843 halogen group Chemical group 0.000 claims abstract description 7
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims abstract description 6
- 150000001875 compounds Chemical class 0.000 claims description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- -1 N,N-dimethylcarbamoyl group Chemical group 0.000 claims description 20
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 14
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 claims description 13
- 125000002668 chloroacetyl group Chemical group ClCC(=O)* 0.000 claims description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 10
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 10
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 239000003960 organic solvent Substances 0.000 claims description 5
- 229910052783 alkali metal Inorganic materials 0.000 claims description 4
- 229910021529 ammonia Inorganic materials 0.000 claims description 4
- 239000002585 base Substances 0.000 claims description 4
- 239000000460 chlorine Substances 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 125000003545 alkoxy group Chemical group 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 claims description 2
- 125000001424 substituent group Chemical group 0.000 abstract description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract 2
- 125000004397 aminosulfonyl group Chemical group NS(=O)(=O)* 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 30
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 21
- 239000000126 substance Substances 0.000 description 19
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 17
- 239000004009 herbicide Substances 0.000 description 17
- 241000196324 Embryophyta Species 0.000 description 16
- 239000000243 solution Substances 0.000 description 16
- 239000002689 soil Substances 0.000 description 15
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 13
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 12
- 244000025254 Cannabis sativa Species 0.000 description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 9
- 240000007594 Oryza sativa Species 0.000 description 8
- 239000004480 active ingredient Substances 0.000 description 8
- 239000000706 filtrate Substances 0.000 description 8
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 8
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 7
- 235000007164 Oryza sativa Nutrition 0.000 description 7
- 244000046052 Phaseolus vulgaris Species 0.000 description 7
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 7
- 241000209140 Triticum Species 0.000 description 7
- 235000021307 Triticum Nutrition 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- 235000009566 rice Nutrition 0.000 description 7
- 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 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 6
- 229910052708 sodium Inorganic materials 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- 235000007575 Calluna vulgaris Nutrition 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- 241000234653 Cyperus Species 0.000 description 4
- 229960000583 acetic acid Drugs 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 3
- XMTQQYYKAHVGBJ-UHFFFAOYSA-N 3-(3,4-DICHLOROPHENYL)-1,1-DIMETHYLUREA Chemical compound CN(C)C(=O)NC1=CC=C(Cl)C(Cl)=C1 XMTQQYYKAHVGBJ-UHFFFAOYSA-N 0.000 description 3
- XKJMBINCVNINCA-UHFFFAOYSA-N Alfalone Chemical compound CON(C)C(=O)NC1=CC=C(Cl)C(Cl)=C1 XKJMBINCVNINCA-UHFFFAOYSA-N 0.000 description 3
- 241001523358 Glyceria Species 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- MXWJVTOOROXGIU-UHFFFAOYSA-N atrazine Chemical compound CCNC1=NC(Cl)=NC(NC(C)C)=N1 MXWJVTOOROXGIU-UHFFFAOYSA-N 0.000 description 3
- ZOMSMJKLGFBRBS-UHFFFAOYSA-N bentazone Chemical compound C1=CC=C2NS(=O)(=O)N(C(C)C)C(=O)C2=C1 ZOMSMJKLGFBRBS-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000035784 germination Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 235000003267 mannagrass Nutrition 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000000454 talc Substances 0.000 description 3
- 229910052623 talc Inorganic materials 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
- JDTMUJBWSGNMGR-UHFFFAOYSA-N 1-nitro-4-phenoxybenzene Chemical compound C1=CC([N+](=O)[O-])=CC=C1OC1=CC=CC=C1 JDTMUJBWSGNMGR-UHFFFAOYSA-N 0.000 description 2
- 235000006760 Acer pensylvanicum Nutrition 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 241000219312 Chenopodium Species 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 240000001276 Glyceria fluitans Species 0.000 description 2
- 244000211187 Lepidium sativum Species 0.000 description 2
- 235000007849 Lepidium sativum Nutrition 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- CHNUNORXWHYHNE-UHFFFAOYSA-N Oxadiazon Chemical compound C1=C(Cl)C(OC(C)C)=CC(N2C(OC(=N2)C(C)(C)C)=O)=C1Cl CHNUNORXWHYHNE-UHFFFAOYSA-N 0.000 description 2
- 231100000674 Phytotoxicity Toxicity 0.000 description 2
- 241000209504 Poaceae Species 0.000 description 2
- 235000005010 Scirpus paludosus Nutrition 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 235000012211 aluminium silicate Nutrition 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
- 239000004202 carbamide Substances 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- XQNAUQUKWRBODG-UHFFFAOYSA-N chlornitrofen Chemical compound C1=CC([N+](=O)[O-])=CC=C1OC1=C(Cl)C=C(Cl)C=C1Cl XQNAUQUKWRBODG-UHFFFAOYSA-N 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 235000008504 concentrate Nutrition 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000002198 insoluble material Substances 0.000 description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 101150052159 maeA gene Proteins 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XMJHPCRAQCTCFT-UHFFFAOYSA-N methyl chloroformate Chemical compound COC(Cl)=O XMJHPCRAQCTCFT-UHFFFAOYSA-N 0.000 description 2
- DEDOPGXGGQYYMW-UHFFFAOYSA-N molinate Chemical compound CCSC(=O)N1CCCCCC1 DEDOPGXGGQYYMW-UHFFFAOYSA-N 0.000 description 2
- XITQUSLLOSKDTB-UHFFFAOYSA-N nitrofen Chemical compound C1=CC([N+](=O)[O-])=CC=C1OC1=CC=C(Cl)C=C1Cl XITQUSLLOSKDTB-UHFFFAOYSA-N 0.000 description 2
- ODCWYMIRDDJXKW-UHFFFAOYSA-N simazine Chemical compound CCNC1=NC(Cl)=NC(NCC)=N1 ODCWYMIRDDJXKW-UHFFFAOYSA-N 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 244000082735 tidal marsh flat sedge Species 0.000 description 2
- ZSDSQXJSNMTJDA-UHFFFAOYSA-N trifluralin Chemical compound CCCN(CCC)C1=C([N+]([O-])=O)C=C(C(F)(F)F)C=C1[N+]([O-])=O ZSDSQXJSNMTJDA-UHFFFAOYSA-N 0.000 description 2
- 239000004563 wettable powder Substances 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- FIDRAVVQGKNYQK-UHFFFAOYSA-N 1,2,3,4-tetrahydrotriazine Chemical compound C1NNNC=C1 FIDRAVVQGKNYQK-UHFFFAOYSA-N 0.000 description 1
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- FRASJONUBLZVQX-UHFFFAOYSA-N 1,4-naphthoquinone Chemical compound C1=CC=C2C(=O)C=CC(=O)C2=C1 FRASJONUBLZVQX-UHFFFAOYSA-N 0.000 description 1
- YRKVBMCUHKYSPG-UHFFFAOYSA-N 1-benzyl-3-(3-benzyl-5-chloro-2-nitrophenyl)sulfanyl-5-chloro-2-nitrobenzene Chemical compound C1=C(Cl)C=C(SC=2C(=C(CC=3C=CC=CC=3)C=C(Cl)C=2)[N+]([O-])=O)C([N+](=O)[O-])=C1CC1=CC=CC=C1 YRKVBMCUHKYSPG-UHFFFAOYSA-N 0.000 description 1
- DLKBRTKDSDXWNA-UHFFFAOYSA-N 1-methyl-3-(4-nitrophenoxy)benzene Chemical compound CC1=CC=CC(OC=2C=CC(=CC=2)[N+]([O-])=O)=C1 DLKBRTKDSDXWNA-UHFFFAOYSA-N 0.000 description 1
- HFZWRUODUSTPEG-UHFFFAOYSA-N 2,4-dichlorophenol Chemical compound OC1=CC=C(Cl)C=C1Cl HFZWRUODUSTPEG-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 101100438857 Bacillus subtilis (strain 168) ccpA gene Proteins 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 241000219321 Caryophyllaceae Species 0.000 description 1
- 240000006122 Chenopodium album Species 0.000 description 1
- 235000011498 Chenopodium album var missouriense Nutrition 0.000 description 1
- 235000013328 Chenopodium album var. album Nutrition 0.000 description 1
- 235000014052 Chenopodium album var. microphyllum Nutrition 0.000 description 1
- 235000014050 Chenopodium album var. stevensii Nutrition 0.000 description 1
- 235000013012 Chenopodium album var. striatum Nutrition 0.000 description 1
- 102100033722 Cholesterol 25-hydroxylase Human genes 0.000 description 1
- 244000075634 Cyperus rotundus Species 0.000 description 1
- 239000005510 Diuron Substances 0.000 description 1
- 241000634867 Eleocharis uniglumis Species 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 241001669573 Galeorhinus galeus Species 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 101000944583 Homo sapiens Cholesterol 25-hydroxylase Proteins 0.000 description 1
- 239000005573 Linuron Substances 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 235000003990 Monochoria hastata Nutrition 0.000 description 1
- 240000000178 Monochoria vaginalis Species 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- 239000005588 Oxadiazon Substances 0.000 description 1
- 244000234609 Portulaca oleracea Species 0.000 description 1
- 235000001855 Portulaca oleracea Nutrition 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- OBLNWSCLAYSJJR-UHFFFAOYSA-N Quinoclamin Chemical compound C1=CC=C2C(=O)C(N)=C(Cl)C(=O)C2=C1 OBLNWSCLAYSJJR-UHFFFAOYSA-N 0.000 description 1
- 241000583586 Sagina Species 0.000 description 1
- 240000009132 Sagittaria sagittifolia Species 0.000 description 1
- 241000759139 Schoenoplectiella hotarui Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 241000212342 Sium Species 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- GNVMUORYQLCPJZ-UHFFFAOYSA-M Thiocarbamate Chemical compound NC([S-])=O GNVMUORYQLCPJZ-UHFFFAOYSA-M 0.000 description 1
- 244000067505 Xanthium strumarium Species 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- XCSGPAVHZFQHGE-UHFFFAOYSA-N alachlor Chemical compound CCC1=CC=CC(CC)=C1N(COC)C(=O)CCl XCSGPAVHZFQHGE-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229940044197 ammonium sulfate Drugs 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- UENWRTRMUIOCKN-UHFFFAOYSA-N benzyl thiol Chemical compound SCC1=CC=CC=C1 UENWRTRMUIOCKN-UHFFFAOYSA-N 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- FZFAMSAMCHXGEF-UHFFFAOYSA-N chloro formate Chemical compound ClOC=O FZFAMSAMCHXGEF-UHFFFAOYSA-N 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- PCHPORCSPXIHLZ-UHFFFAOYSA-N diphenhydramine hydrochloride Chemical compound [Cl-].C=1C=CC=CC=1C(OCC[NH+](C)C)C1=CC=CC=C1 PCHPORCSPXIHLZ-UHFFFAOYSA-N 0.000 description 1
- 239000004495 emulsifiable concentrate Substances 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 101150009611 graR gene Proteins 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- HJOVHMDZYOCNQW-UHFFFAOYSA-N isophorone Chemical compound CC1=CC(=O)CC(C)(C)C1 HJOVHMDZYOCNQW-UHFFFAOYSA-N 0.000 description 1
- 125000005928 isopropyloxycarbonyl group Chemical group [H]C([H])([H])C([H])(OC(*)=O)C([H])([H])[H] 0.000 description 1
- ZTMKADLOSYKWCA-UHFFFAOYSA-N lenacil Chemical compound O=C1NC=2CCCC=2C(=O)N1C1CCCCC1 ZTMKADLOSYKWCA-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012669 liquid formulation Substances 0.000 description 1
- MYWUZJCMWCOHBA-VIFPVBQESA-N methamphetamine Chemical compound CN[C@@H](C)CC1=CC=CC=C1 MYWUZJCMWCOHBA-VIFPVBQESA-N 0.000 description 1
- VOEYXMAFNDNNED-UHFFFAOYSA-N metolcarb Chemical compound CNC(=O)OC1=CC=CC(C)=C1 VOEYXMAFNDNNED-UHFFFAOYSA-N 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 210000004940 nucleus Anatomy 0.000 description 1
- 239000002420 orchard Substances 0.000 description 1
- 125000005740 oxycarbonyl group Chemical group [*:1]OC([*:2])=O 0.000 description 1
- IZUPBVBPLAPZRR-UHFFFAOYSA-N pentachlorophenol Chemical compound OC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl IZUPBVBPLAPZRR-UHFFFAOYSA-N 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229940124530 sulfonamide Drugs 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
- A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
- A01N41/04—Sulfonic acids; Derivatives thereof
- A01N41/06—Sulfonic acid amides
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/24—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing the groups, or; Thio analogues thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/34—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the groups, e.g. biuret; Thio analogues thereof; Urea-aldehyde condensation products
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C311/00—Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
- C07C311/22—Sulfonamides, the carbon skeleton of the acid part being further substituted by singly-bound oxygen atoms
- C07C311/29—Sulfonamides, the carbon skeleton of the acid part being further substituted by singly-bound oxygen atoms having the sulfur atom of at least one of the sulfonamide groups bound to a carbon atom of a six-membered aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C311/00—Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
- C07C311/50—Compounds containing any of the groups, X being a hetero atom, Y being any atom
- C07C311/52—Y being a hetero atom
- C07C311/53—X and Y not being nitrogen atoms, e.g. N-sulfonylcarbamic acid
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C311/00—Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
- C07C311/50—Compounds containing any of the groups, X being a hetero atom, Y being any atom
- C07C311/52—Y being a hetero atom
- C07C311/54—Y being a hetero atom either X or Y, but not both, being nitrogen atoms, e.g. N-sulfonylurea
- C07C311/55—Y being a hetero atom either X or Y, but not both, being nitrogen atoms, e.g. N-sulfonylurea having sulfur atoms of the sulfonylurea groups bound to acyclic carbon atoms
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Dentistry (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Plant Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE:
New diphenyl ether derivatives having one to three substituents selected from a halogen atom and a trifluoromethyl group at any optional one to three positions of the 2'-, 3'-, 4'-, 5'- and 6'- positions in one phenyl moiety and notro group at the 4-position and unsubstitued or substitued aminosulfonylgroup at the 3-position in another phenyl moiety. They have a superior herbicidal effect and can be prepared starting from a know 3-benzyl-mercapto compound through three steps.
New diphenyl ether derivatives having one to three substituents selected from a halogen atom and a trifluoromethyl group at any optional one to three positions of the 2'-, 3'-, 4'-, 5'- and 6'- positions in one phenyl moiety and notro group at the 4-position and unsubstitued or substitued aminosulfonylgroup at the 3-position in another phenyl moiety. They have a superior herbicidal effect and can be prepared starting from a know 3-benzyl-mercapto compound through three steps.
Description
This invention relates to a new group of diphenyl ether derivatives, to a process for preparing the ~ame and also to the new use of the said diphenyl ether derivative~ a~ a herbicide.
More particularly, it is concerned with a new diphenyl ether derivative having the formula ., Xn~ ~ N2 S02NHR (I) wherein X is a halogen atom or a trifluoromethyl group, n is an integer of 1 to 3 inclusive and ~ i9 a hydrogen atom, a lower al~oxycarbonyl group, an acetyl group, a chloroacetyl group or an N,N-dimethyl carbamoyl group, as well as with a proces~ for preparing the said diphenyl ether derivative and a herbicidal oomposition containing as an actlve ingredient at least one of the above-defined diphenyl ether derivatives.
In the above formula (I), a halogen atom represented by X may be exemplified by chlorine, bromineg fluorine or iodine;
and R may be illustrated by a hydrogen atom, a lower alko~ycar- -bonyl group, preferably of 1 to 3 carbon atoms in the alkoxy ` 20 moiety, e.g. methoxycarbonyl, ethoxycarbonyl, n-propoxycarbonyl, isopropoxycarbonyl, an acetyl group, a chloroacetyl group or an N,N-dimethylcarbamoyl group~ Also, where n in an integer of 2 or ~, X's may be the same or different.
It is also to be noted that the diphenyl ether deriva-tives (I) o~ this invention are intended to include to correspon-ding alkali metal salts, in particular sodium ualts.
Accorcling to an aspect of the present invention, there is provided a prc~cess for preparin~g a compound having the f ormula " Xn . ~
: `
wherein X is a halogen atom or a trifluoromethyl group, n is an integer of 1 to 3 inclusive and R is a hydrogenatom, a lower alkoxycarbonyl group, an acetyl group, a chloroacetyl group or an N,N-dimethylcarbamoyl group, which comprises reacting a compound having the formula Xn ~ O--~N02 wherein X and n have the same meanings as defined above, with chlorine in an aqueous acetic acid to obtain a compound having the formula Xn --O~ N02 S02Cl wherein X and n have the same meanings as defined above, reacting the thus obtained compound with an excess amount of ammonia to obtain a compound having the formula (Ia) Xn - - ~ -NO2 (Ia)
More particularly, it is concerned with a new diphenyl ether derivative having the formula ., Xn~ ~ N2 S02NHR (I) wherein X is a halogen atom or a trifluoromethyl group, n is an integer of 1 to 3 inclusive and ~ i9 a hydrogen atom, a lower al~oxycarbonyl group, an acetyl group, a chloroacetyl group or an N,N-dimethyl carbamoyl group, as well as with a proces~ for preparing the said diphenyl ether derivative and a herbicidal oomposition containing as an actlve ingredient at least one of the above-defined diphenyl ether derivatives.
In the above formula (I), a halogen atom represented by X may be exemplified by chlorine, bromineg fluorine or iodine;
and R may be illustrated by a hydrogen atom, a lower alko~ycar- -bonyl group, preferably of 1 to 3 carbon atoms in the alkoxy ` 20 moiety, e.g. methoxycarbonyl, ethoxycarbonyl, n-propoxycarbonyl, isopropoxycarbonyl, an acetyl group, a chloroacetyl group or an N,N-dimethylcarbamoyl group~ Also, where n in an integer of 2 or ~, X's may be the same or different.
It is also to be noted that the diphenyl ether deriva-tives (I) o~ this invention are intended to include to correspon-ding alkali metal salts, in particular sodium ualts.
Accorcling to an aspect of the present invention, there is provided a prc~cess for preparin~g a compound having the f ormula " Xn . ~
: `
wherein X is a halogen atom or a trifluoromethyl group, n is an integer of 1 to 3 inclusive and R is a hydrogenatom, a lower alkoxycarbonyl group, an acetyl group, a chloroacetyl group or an N,N-dimethylcarbamoyl group, which comprises reacting a compound having the formula Xn ~ O--~N02 wherein X and n have the same meanings as defined above, with chlorine in an aqueous acetic acid to obtain a compound having the formula Xn --O~ N02 S02Cl wherein X and n have the same meanings as defined above, reacting the thus obtained compound with an excess amount of ammonia to obtain a compound having the formula (Ia) Xn - - ~ -NO2 (Ia)
2 H2 wherein X and.n have the same meanings as defined above, said compound of formula. (Ia) being a compound of formula I
wherein~R is hydrogen and then if desired, treating the thus obtained compound of formula (Ia) with a compound having the formula:
R'-Cl wherein R' `is a lower alkoxycarbonyl group, an acetyl group, a chloroacetyl ~roup or an N,N-dimethylcarbamoyl group, in an organic solvent or an alkaline water in the presence of a base to obtain a compound of formula (I) as defined above wherein R is a lower alkoxycarbonyl group, an acetyl group, a chloro-ac~ yl group or an N,N-dimethylcarbamoyl group.
- la -.
There have been hexeto~oxe proposed a ~ide variety of diphenyl ether derivatives as agricultural herbicides and a considerable number of them has b~ien on the market for practi-cal use: for example, such herbici.des as "NIP" (active ingre-dient: 2',4'-dichloro-4-nitrodiphenyl ether), "CNP" (active ingredient: 2',4', 6'-trichloro-4-notrodiphenyl ether) and "TOPE" (active ingredient:
f ~
.
- lh -
wherein~R is hydrogen and then if desired, treating the thus obtained compound of formula (Ia) with a compound having the formula:
R'-Cl wherein R' `is a lower alkoxycarbonyl group, an acetyl group, a chloroacetyl ~roup or an N,N-dimethylcarbamoyl group, in an organic solvent or an alkaline water in the presence of a base to obtain a compound of formula (I) as defined above wherein R is a lower alkoxycarbonyl group, an acetyl group, a chloro-ac~ yl group or an N,N-dimethylcarbamoyl group.
- la -.
There have been hexeto~oxe proposed a ~ide variety of diphenyl ether derivatives as agricultural herbicides and a considerable number of them has b~ien on the market for practi-cal use: for example, such herbici.des as "NIP" (active ingre-dient: 2',4'-dichloro-4-nitrodiphenyl ether), "CNP" (active ingredient: 2',4', 6'-trichloro-4-notrodiphenyl ether) and "TOPE" (active ingredient:
f ~
.
- lh -
3~-methyl-4-nitrodiphenyl ether) may be mentioned. These previously know diphenyl ether type herbicides can generally show a superior herbicidal effect in soll -treatment agalnst annuaI
weed~ o~ the family Gramineae devèloped in a paddy field, but they have a common characteristic of having an inferior herbicidal effect against variou3 weeds in foliar treatment or annual broad-leaved weeds and perennial weeds. Further, it can be frequently seen in those derivatives of such a type that it ma~ unexpectedly be different, upon differences in their chemical structures such as those in the sort, number or position of substituents, whether . a herbicidal e~fect may be exerted, how high a herbicidal effect may be? how rapidly a herbicidal..effect may be developed or how a phytox-icity may be to crop~ and so on.
: ~he present inventors have made earne~t studie~ to find out new diphenyl ether derivatives having a commercial usefulness and, as a result, they have successfully synthesized a new group of the diphenyl ether.derivatives of the above formula (I) and also found such new diphenyl ether derivatives (I) can show a remarkable herbicidal effect against various weed~, without any 20 phytotoxycity to crops and toxicity to human beings and domestic animals as well as fish and shellfi~hes and do not have any other harm~ul properties such as a naty smell and the like, This in-vention has been, therefore, completed upon these findings.
~ he diphenyl ether derivatives (I) of this invention can show a superior weed-killing activity by pre- and post-emergence treatment in soil; in other words, they have both soil treating activities and foliar treating activities. ~hen,-they are effective aga:inst various weeds such as annual or perennial weeds of the fami:Ly Gramineae growing in a paddy or upland field, broad-leaved weed~3 and the like.
Accordingly, the herbicidal diphenyl ether derivatives (I) of this invention can be e~fectively applied to a paddy field . ~ .
: as a pre-emergent herbicide before or after rice planting or a post-emergent herbicide against perennial weeds or broad-leaved weeds after 1 - 2 weeks from rice planting, and, further, they can be effectively employed as a soil treatment herbicide before or after sow.ing in an upland field or as a foliar treatment herbi-cide against variou~ weeds in an orchard, a tea garden, a mulber-ry field or a non-crop land. In addition, the diphenyl ether derivativee (I) of this invention has a particular oharacteri3tic that they can exert an extremely hlgh herbicidal activity against weedg of the family Caryophyllaceae which those previou~ly known . diphenyl ether type derivative~ could not contro.L.
It i~, accordingly, primary object of thi~ invention to ......... provide new diphenyl ether derivatives of the above.formula (I) which show an excellent herbicidal effect. Another object of this invention i9 to provide a process for preparing the above-mention-ed diphenyl ether derivatives.
A further object of this invention i~ to provide a her-bicidal composition ~hich comprises a~ an active ingredient a-t lea~t one of the diphenyl ether derivatives (I).
According to one aspect of this invention, there is provided a group of new diphenyl~ether derivatives of the above formula`(I). Representative examples of the diphenyl ether deri-vatives (I) are given in the following Table 1 for illustrating . purpose only.
~ A~ explained above, alkali metal salt~ of the diphen~l `~ ether derivatives (I) also fall within the scope of this invention and, as illustrat:ive examples, sodium ~alt of 2',4',6'-trichloro-3-methoxycarbonylaminosulfonyl-4-notro-diphenyl ether and sodium salt of 2',4~-dichloro-3-methoxycarbonylaminosulfonyl-4-nitrodi-phenyl ether are given in ~able 1, designated as Compound ~o. 25 and No. 36, respectively.
~ ' Among the diphenyl ether derivatives according to this - invention, compounds repre~ented by formula (I) wherein Xn repre-sents a 2~4-dichloro-, 2,496-trichloro-, 2,4-dichloro-6-fluoro-, 2-chloro-4-bromo- or 2-chloro-4-trifluoromethyl-~ubstituent, are preferable in ~iew o~ the herbicidal e~ect upon perennial weeds, particularly upon "Mizugayatsuri (cyper s serotinus Rottb.~, the price for production and the phytotoxicity.
~` As particularly preferable compounds may be mentioned 2',4'-dichloro-3-methoxycarbonylaminosulfonyl~4-nitro-diphenyl ether (Compound No. 9), . 2',4',6'-trichloro-3-methoxycarbonylamino~ulfony:L-4-nitrodiphenyl ether (Compound No 23), 2',4'-dichloro-6-fluoro-3-methoxycarbonylaminosulfonyl-4-nitrodi-phenyl ether ~Compound No, 38), .
2'-chloro-4'-bromo-3-methoxycarbonylamino~ulfonyl-4-nitrodiphenyl ether (Compound No. 47), 2'-chloro-4 t -trifluoromethyl-3-methoxycarbonylamino-sulfonyl-4-nitrodiphenyl ether (Compound No. 52) and ; 2'-chloro-4'-trifluoromethyl-3-ethoxycarbonylamino-sulfonyl-4- -nitrodiphenyl ether (Compound No. 53).
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~ he diphenyl ether derivatives of this invention can be prepared, for example, according to the ~ollowing reaction steps.
- ~he 1st step:
2 2 + C~2 Acetic Xn ~ ~ 2 ~ ~ CE2C~ + HC
: S0 The 2nd ~tep:
~ 2 + NH3 . so2ce 2 + HC~
' ~he 3rd 9 tep:
X~ ~N2 + RCR
S 021~H2 X
Alkali~ ~ O ~ N02 ~ HC
\~
': :
- In the first step, the 3ulfonyl chloride can be prepared by introducing chlorine gas into a solution of the star-ting ~-benzylmercapto compound which can be obtained by a well-known method as illustrated below:
ce ~N2 ~ ~CH25H~oe4~o2 + ~c~
`~ Xn C ~ 2 + ~ OH
YSCH2~
Xn ~ 2 HC b A~q the solvant ma~ preferably be employed an aqueous acetic acid. ~he aqueous acetic acid to be used contains 5-- 50 wt.%, preferably 10 - 15 wt.~ of water. The reaction time may be more than l hours, preferably 3 - 6 hours. ~he reaction temperature may preferably be in the range of 10 - 15a. At a hig-ger temperature, substitution on the nucleu~q tends to occur. ~he thus produced compound may be recovered from the reaction medium by ordinary procedures.~
In the second step, the product in the firqt step is reacted easily with an excess amount of ammonia. As the solvent for the reaction may be used ~n organic solvent, e.g.~ an aromatic solvent such as benzene, toluene, xylene, etc. ~nd an e~ter such as ethyl acetate, methyl acetate, etc. ~he desired product can - also be obtained in high yield without any solvent by adding the starting ~ulfonyl chloride to a 5 - 28% a~ueous ammonia ~he reaction temperature may preferably be maintained at 10 - 30C with cooling, since the reaction is exothermic.
. . ' ' .
In the third step, the desired compound of this invention can be obtained by adding an acid chloride to a solution of the starting sulfonamide compound in an organic solvent or an alkaline water in the presence of a base. Whe~ the acid chloride - is ~mstable against water or has ;poor reactivity, the reaction may pre~erably be conducted by using an organic solvent and by heating the reaction system.
While any organic solveIlt can be usea for the purpose if it does not react with the acid chloride, there may preferably be mentioned a~ a solvent acetone, dimethylsulfoxide, dime thylformamide, dimethylacetamide, etc.
In particular, acetone may most advantageousl~ be employed for the purpose.
As the base, potassium hydroxide and sodium hydroxide ~- may preferably be employed when the reaction is carried out in an aqueous medium. These hydroxides may advantageously be employ-ed as a 1 - 5 wt.% a~ueou~ olutionO When the reaction is carried out in an organic medium, potassium carbonate or sodium carbonate may advantageously be used. ~he reaction is carried out at 10 -20C in an alkaline aqueou~ medium and at a temperature between room temperature and 150C in an organic medium. While the reac-tion period depends on the kind of the reagent to be used9 it i8 in the range of about 1 - 10 hours.
The desired product can easily be recovered by an ordi-nary method.
~ he above-depicted reaction steps will be more fully illustrated by the following examples.
Example 1.
S~nthesis of ben~l-2-nitro-5_chlorophen~1 sulfide ~o a solution of 86 g. (0,4 mole) of l-nitro-2,4-dichlorobenzene a~d 56 g. (0.45 mole) of benzylmercaptan in 1.4 ~. of i~opropyl alcohol was gradually added dropwis~ a solution of 30 g. of potassium hydroxide in 20 m~. of water and 70 m~. of ethanol.
After completion of the dropwise addition, the resulting mixture was refluxed on a water bath for 3 hours. After ~tanding o~er-night, the crystalline substance thus geparated wa~ recovered by filtration and then recrystalli~ed from a mixture of ethanol with a small amount of benzens~to give 87 g. (yield, ~0~0) of benzyl-2-~itro-5-chlorophenyl sulfide as yellow prisms of M.P. 131 - 134C.
~ample 2 . . .
., .
- 10 Synthesis of 2~,4l-dichloro-3-benzylmercapto-4-nitrodi-. _ _ . , .. . , .. . _ .
~ phenyl ether :. - - . .
- ~o a ~olution of 16.3 g. (0.1 mole) of 2,4-dichlorophenol in 30 me.
of dimethylacet mide were added 5.6 g. (0.1 mole) of potasgium hydroxide and then the resulting mixture was heated to 120C. to dissolve the potassium hydroxide, After it wa~ allowed to cool, 28 g. (0.1 mole) of benzyl-2-nitro-5-chlorophenyl sulfide were added thereto. ~he resulting mixture was hèated at about 155C.
while stirring for 6 hours and then cooled. After addition of water, the oily sub3tance thus separated was extracted with benzene. lhereafter, the extract was washed with a dilute aqueous ~olution of sodium hydroxide and water, dried over anhydrous s~odium sulfate and then the benzene was distilled off. ~he resi-due was recrystallized from ethanol to give 27 g. (Yield, 67~o) of 2',4'-dichloro-3-benzylmercapto-4-nitrodiphenyl ether as yellow pouwdery crystals of M.P. 104 - 105C.
Example 3.
S,ynthesis in t_e_lst and~
., .
Into a su~pen~ion of 33 g. (0.008 mole) o~ 2~,4~-dichloro-3-benzyl-mercapto-4-nitrodiphenyl ether in 200 me. of glacial acetic acid and 30 m~. of water was bubbled chlorine gas while stirring at about 12C. and the mixture wa~ then le~t at ordinary temperature overnight. ~hem, the mixture was poured into water, the oily ~ .
substance thus separated was ex-tracted with benæene, the extract was washed with water and dried over anhydrou~ sodium sulfate.
~he solvent was distilled off to leave 2',4!-dichloro-3-ch~oro-sulfonyl-4-nitrodiphenyl ether as a dark red oily substance.
Then, the product thus obtained was dissolved in ethyl acetate and the resulting solution was added dropwi~e to ammonia-saturated ethyl acetate. After completion of the dropwi~e addi-~ tion, the mixture was stirred at ordinary temperature for 30 minu-; tes and water was added thereto. The resulting mixture was washed with water and dried over anhydrous sodium suliate. ~he solvent , was dlstilled off and the residue was recrysta]lized from ethanol to afford 22.7 g. (~ield, 78%) of 2',4'-dichloro-3-aminosulfonyl-
weed~ o~ the family Gramineae devèloped in a paddy field, but they have a common characteristic of having an inferior herbicidal effect against variou3 weeds in foliar treatment or annual broad-leaved weeds and perennial weeds. Further, it can be frequently seen in those derivatives of such a type that it ma~ unexpectedly be different, upon differences in their chemical structures such as those in the sort, number or position of substituents, whether . a herbicidal e~fect may be exerted, how high a herbicidal effect may be? how rapidly a herbicidal..effect may be developed or how a phytox-icity may be to crop~ and so on.
: ~he present inventors have made earne~t studie~ to find out new diphenyl ether derivatives having a commercial usefulness and, as a result, they have successfully synthesized a new group of the diphenyl ether.derivatives of the above formula (I) and also found such new diphenyl ether derivatives (I) can show a remarkable herbicidal effect against various weed~, without any 20 phytotoxycity to crops and toxicity to human beings and domestic animals as well as fish and shellfi~hes and do not have any other harm~ul properties such as a naty smell and the like, This in-vention has been, therefore, completed upon these findings.
~ he diphenyl ether derivatives (I) of this invention can show a superior weed-killing activity by pre- and post-emergence treatment in soil; in other words, they have both soil treating activities and foliar treating activities. ~hen,-they are effective aga:inst various weeds such as annual or perennial weeds of the fami:Ly Gramineae growing in a paddy or upland field, broad-leaved weed~3 and the like.
Accordingly, the herbicidal diphenyl ether derivatives (I) of this invention can be e~fectively applied to a paddy field . ~ .
: as a pre-emergent herbicide before or after rice planting or a post-emergent herbicide against perennial weeds or broad-leaved weeds after 1 - 2 weeks from rice planting, and, further, they can be effectively employed as a soil treatment herbicide before or after sow.ing in an upland field or as a foliar treatment herbi-cide against variou~ weeds in an orchard, a tea garden, a mulber-ry field or a non-crop land. In addition, the diphenyl ether derivativee (I) of this invention has a particular oharacteri3tic that they can exert an extremely hlgh herbicidal activity against weedg of the family Caryophyllaceae which those previou~ly known . diphenyl ether type derivative~ could not contro.L.
It i~, accordingly, primary object of thi~ invention to ......... provide new diphenyl ether derivatives of the above.formula (I) which show an excellent herbicidal effect. Another object of this invention i9 to provide a process for preparing the above-mention-ed diphenyl ether derivatives.
A further object of this invention i~ to provide a her-bicidal composition ~hich comprises a~ an active ingredient a-t lea~t one of the diphenyl ether derivatives (I).
According to one aspect of this invention, there is provided a group of new diphenyl~ether derivatives of the above formula`(I). Representative examples of the diphenyl ether deri-vatives (I) are given in the following Table 1 for illustrating . purpose only.
~ A~ explained above, alkali metal salt~ of the diphen~l `~ ether derivatives (I) also fall within the scope of this invention and, as illustrat:ive examples, sodium ~alt of 2',4',6'-trichloro-3-methoxycarbonylaminosulfonyl-4-notro-diphenyl ether and sodium salt of 2',4~-dichloro-3-methoxycarbonylaminosulfonyl-4-nitrodi-phenyl ether are given in ~able 1, designated as Compound ~o. 25 and No. 36, respectively.
~ ' Among the diphenyl ether derivatives according to this - invention, compounds repre~ented by formula (I) wherein Xn repre-sents a 2~4-dichloro-, 2,496-trichloro-, 2,4-dichloro-6-fluoro-, 2-chloro-4-bromo- or 2-chloro-4-trifluoromethyl-~ubstituent, are preferable in ~iew o~ the herbicidal e~ect upon perennial weeds, particularly upon "Mizugayatsuri (cyper s serotinus Rottb.~, the price for production and the phytotoxicity.
~` As particularly preferable compounds may be mentioned 2',4'-dichloro-3-methoxycarbonylaminosulfonyl~4-nitro-diphenyl ether (Compound No. 9), . 2',4',6'-trichloro-3-methoxycarbonylamino~ulfony:L-4-nitrodiphenyl ether (Compound No 23), 2',4'-dichloro-6-fluoro-3-methoxycarbonylaminosulfonyl-4-nitrodi-phenyl ether ~Compound No, 38), .
2'-chloro-4'-bromo-3-methoxycarbonylamino~ulfonyl-4-nitrodiphenyl ether (Compound No. 47), 2'-chloro-4 t -trifluoromethyl-3-methoxycarbonylamino-sulfonyl-4-nitrodiphenyl ether (Compound No. 52) and ; 2'-chloro-4'-trifluoromethyl-3-ethoxycarbonylamino-sulfonyl-4- -nitrodiphenyl ether (Compound No. 53).
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~ he diphenyl ether derivatives of this invention can be prepared, for example, according to the ~ollowing reaction steps.
- ~he 1st step:
2 2 + C~2 Acetic Xn ~ ~ 2 ~ ~ CE2C~ + HC
: S0 The 2nd ~tep:
~ 2 + NH3 . so2ce 2 + HC~
' ~he 3rd 9 tep:
X~ ~N2 + RCR
S 021~H2 X
Alkali~ ~ O ~ N02 ~ HC
\~
': :
- In the first step, the 3ulfonyl chloride can be prepared by introducing chlorine gas into a solution of the star-ting ~-benzylmercapto compound which can be obtained by a well-known method as illustrated below:
ce ~N2 ~ ~CH25H~oe4~o2 + ~c~
`~ Xn C ~ 2 + ~ OH
YSCH2~
Xn ~ 2 HC b A~q the solvant ma~ preferably be employed an aqueous acetic acid. ~he aqueous acetic acid to be used contains 5-- 50 wt.%, preferably 10 - 15 wt.~ of water. The reaction time may be more than l hours, preferably 3 - 6 hours. ~he reaction temperature may preferably be in the range of 10 - 15a. At a hig-ger temperature, substitution on the nucleu~q tends to occur. ~he thus produced compound may be recovered from the reaction medium by ordinary procedures.~
In the second step, the product in the firqt step is reacted easily with an excess amount of ammonia. As the solvent for the reaction may be used ~n organic solvent, e.g.~ an aromatic solvent such as benzene, toluene, xylene, etc. ~nd an e~ter such as ethyl acetate, methyl acetate, etc. ~he desired product can - also be obtained in high yield without any solvent by adding the starting ~ulfonyl chloride to a 5 - 28% a~ueous ammonia ~he reaction temperature may preferably be maintained at 10 - 30C with cooling, since the reaction is exothermic.
. . ' ' .
In the third step, the desired compound of this invention can be obtained by adding an acid chloride to a solution of the starting sulfonamide compound in an organic solvent or an alkaline water in the presence of a base. Whe~ the acid chloride - is ~mstable against water or has ;poor reactivity, the reaction may pre~erably be conducted by using an organic solvent and by heating the reaction system.
While any organic solveIlt can be usea for the purpose if it does not react with the acid chloride, there may preferably be mentioned a~ a solvent acetone, dimethylsulfoxide, dime thylformamide, dimethylacetamide, etc.
In particular, acetone may most advantageousl~ be employed for the purpose.
As the base, potassium hydroxide and sodium hydroxide ~- may preferably be employed when the reaction is carried out in an aqueous medium. These hydroxides may advantageously be employ-ed as a 1 - 5 wt.% a~ueou~ olutionO When the reaction is carried out in an organic medium, potassium carbonate or sodium carbonate may advantageously be used. ~he reaction is carried out at 10 -20C in an alkaline aqueou~ medium and at a temperature between room temperature and 150C in an organic medium. While the reac-tion period depends on the kind of the reagent to be used9 it i8 in the range of about 1 - 10 hours.
The desired product can easily be recovered by an ordi-nary method.
~ he above-depicted reaction steps will be more fully illustrated by the following examples.
Example 1.
S~nthesis of ben~l-2-nitro-5_chlorophen~1 sulfide ~o a solution of 86 g. (0,4 mole) of l-nitro-2,4-dichlorobenzene a~d 56 g. (0.45 mole) of benzylmercaptan in 1.4 ~. of i~opropyl alcohol was gradually added dropwis~ a solution of 30 g. of potassium hydroxide in 20 m~. of water and 70 m~. of ethanol.
After completion of the dropwise addition, the resulting mixture was refluxed on a water bath for 3 hours. After ~tanding o~er-night, the crystalline substance thus geparated wa~ recovered by filtration and then recrystalli~ed from a mixture of ethanol with a small amount of benzens~to give 87 g. (yield, ~0~0) of benzyl-2-~itro-5-chlorophenyl sulfide as yellow prisms of M.P. 131 - 134C.
~ample 2 . . .
., .
- 10 Synthesis of 2~,4l-dichloro-3-benzylmercapto-4-nitrodi-. _ _ . , .. . , .. . _ .
~ phenyl ether :. - - . .
- ~o a ~olution of 16.3 g. (0.1 mole) of 2,4-dichlorophenol in 30 me.
of dimethylacet mide were added 5.6 g. (0.1 mole) of potasgium hydroxide and then the resulting mixture was heated to 120C. to dissolve the potassium hydroxide, After it wa~ allowed to cool, 28 g. (0.1 mole) of benzyl-2-nitro-5-chlorophenyl sulfide were added thereto. ~he resulting mixture was hèated at about 155C.
while stirring for 6 hours and then cooled. After addition of water, the oily sub3tance thus separated was extracted with benzene. lhereafter, the extract was washed with a dilute aqueous ~olution of sodium hydroxide and water, dried over anhydrous s~odium sulfate and then the benzene was distilled off. ~he resi-due was recrystallized from ethanol to give 27 g. (Yield, 67~o) of 2',4'-dichloro-3-benzylmercapto-4-nitrodiphenyl ether as yellow pouwdery crystals of M.P. 104 - 105C.
Example 3.
S,ynthesis in t_e_lst and~
., .
Into a su~pen~ion of 33 g. (0.008 mole) o~ 2~,4~-dichloro-3-benzyl-mercapto-4-nitrodiphenyl ether in 200 me. of glacial acetic acid and 30 m~. of water was bubbled chlorine gas while stirring at about 12C. and the mixture wa~ then le~t at ordinary temperature overnight. ~hem, the mixture was poured into water, the oily ~ .
substance thus separated was ex-tracted with benæene, the extract was washed with water and dried over anhydrou~ sodium sulfate.
~he solvent was distilled off to leave 2',4!-dichloro-3-ch~oro-sulfonyl-4-nitrodiphenyl ether as a dark red oily substance.
Then, the product thus obtained was dissolved in ethyl acetate and the resulting solution was added dropwi~e to ammonia-saturated ethyl acetate. After completion of the dropwi~e addi-~ tion, the mixture was stirred at ordinary temperature for 30 minu-; tes and water was added thereto. The resulting mixture was washed with water and dried over anhydrous sodium suliate. ~he solvent , was dlstilled off and the residue was recrysta]lized from ethanol to afford 22.7 g. (~ield, 78%) of 2',4'-dichloro-3-aminosulfonyl-
4-nitrodiphenyl ether (Compound No. 8) as pale yellow powdery crystals of M.P. 95 - 98 C.
E~a_ple 4.
S~nthesis in the 3rd step n ~ ichloro-3-ethox.ycar~onylamino-sulfon~l-4-nitrodiphen~l ether ( a ompound No. 10) ~o a solution of 3.6 g. (0.01 mole) of 2',4'-dichloro-3-amino-sulfonyl-4-nitrodiphenyl ether in 40 m~. of a 1.25 w/v% aqueous solution of sodium hydroxide were added dropwise by turns, wh-ile stirring at about 25C., 3.6 g. (0.033 mole)-of ethyl chlorof~r-mate and a 10 w/~ a~ueous solution of sodium hydroxide to adjust its pH to 10 - 11. After completion of the dropwise addition, the mixture was stirred for 30 minutes and adjus-ted to pH 6.5 by the dropwise addition of a dilute aqueous æolution of hydrochloric acid. Insoluble materials were filtered off and the filtrate was made acidic with a strong hydrochloric acid. ~he so separated ; crystalline substance was recovered by filtration, dried and then recrystallized from benæene to afford 2.5 g. (Yield, 57%) of 2~,4'-dichloro-3-ethoxycarbonylaminosulfonyl-4-nitrodiphenyl ether as pale yellow prisms of M.P. 138 - 140C.
: .
.
.'. ~ .
- (2) Synthesis of 21 ,4'-dichloro-3-chloroacetylamlnosulfonyl-4 ; -nitrodiphen~l ether ~Compou~d No~ 12) ~o a solution of 3.6 g. (0.01 mole) of 2',4'-dichloro-3-amino~ul-fonyl-4-nitrodiphenyl ether in 2.5 m~. of a 2 w/v~0 aqueous solu-tion of sodium hydroxide were added dropwise by turns, while stirring at about 20~., 4.5 g. (0.04 mole) of chloroacetyl chlo-; ride and a 10 w/v~0 aqueou~ ~olution of sodium hydroxide to ad~ust its pE to 10 - 11. After completion of the dropwise addition, the mixture was stirred for 30 minutes, 200 ~. of water were added thereto to dissolve insolub:Le material~, the mixture was adjusted it~ pH to 4 with the dropwise additio~ of a dilute aque-OU8 solution of hydrochloric acid and then insolu~le materials were filtered off. ~hen, the filtrate was made acidic with a strong hydrochloric acid~ the so separated cry3talline substance was recovered by filtration, dried and recrystallized from a mix-ture of benzene with n-hexane to give 3.3 g. ~yield, 75%) of 2',4'-dichloro-3-chloroacetylaminosulfonyl-4-nitrodiphenyl ether as pale brown prism~ of M.P. 141 - 143 C.
(3) Synthesis of sodium salt of 2'~4'~6'-~r~c-l~r~-~-met~o~ycarbo-nvlaminosu1fonyl-4-nitrodi~henyl ether (Compound ~o. 25 : ~o a solution of 7.2 g. (0.0~8:mole) of 2',4',6'-trichloro-3-aminosulfonyl-4-~-itrodiphenyl-ether in 40 m~. of a 2.5 w/v~
a~ueous solution of sodium hydro~ide were added dropwise by turns, ~hile stirring at about 20C., 7.5 g. (0.08 mole) of methyl chloroformate and 10 wt.% of aqueous solution of sodium hydroxide ~- to adjust its pH to 10 - 11. After completion of the dropwise addition, the mixture was stirred for 30 minutes. ~hen, the so separated substance was recovered by filtration, washed with water, dehydrated and dried to give 6.6 g. (yield, 7.7~) of sodium 3~ salt of 2',4',6'-trichloro-3-methoxycarbonylaminosulfonyl-4-nitro-diphenyl ether as colorless powdery cr~stals of M~P, above 105C
(with decomp.).
,~ Z
(4) Synthesi~ of 2',4'~'-trichloro-3-N,N-dimethyl - aminocarbonvlaminosul~onvl-4-nitrodiphenyl ether (Compound ~o~ 26) ~o a solution of 2 g. (0.005 mole) of 2',~',6'-trichloro-3-amino-sulfonyl-4-nitrodiphenyl ether in 80 m~. of acetone were added 1.1 g. (0.008 mole) of potassium carbonate and 0.9 g. (0.008 mole) of N~N-dimethylcarbamoyl chloride iand the resulting mixture was heated under reflux for 12 hours~ Ihereafter, the acetone was di~tilled offy the residue was dis301ved in a dilute aqueous solu-1~ tion of sodium hydroxide, the resulting solution was ad~usted to p~ 5.8 with a dilute hydrochloric acid and insoluble materials were filtered off. The filtrate was made acidic with a strong hydrochloric acid, the so separated crystalline substance was recovered by filtration, dried and recrystallized from a mixture of benzene with n-hexane to give 1 g. (yield, 43~) of 2',4',6'-trichloro-3-N,N-dimethylaminocarbonylaminosulfonyl-4-nitrodiphenyl ether as colorless powdery crystals of M.P. 186 - 190 C~
E~a_ple 4.
S~nthesis in the 3rd step n ~ ichloro-3-ethox.ycar~onylamino-sulfon~l-4-nitrodiphen~l ether ( a ompound No. 10) ~o a solution of 3.6 g. (0.01 mole) of 2',4'-dichloro-3-amino-sulfonyl-4-nitrodiphenyl ether in 40 m~. of a 1.25 w/v% aqueous solution of sodium hydroxide were added dropwise by turns, wh-ile stirring at about 25C., 3.6 g. (0.033 mole)-of ethyl chlorof~r-mate and a 10 w/~ a~ueous solution of sodium hydroxide to adjust its pH to 10 - 11. After completion of the dropwise addition, the mixture was stirred for 30 minutes and adjus-ted to pH 6.5 by the dropwise addition of a dilute aqueous æolution of hydrochloric acid. Insoluble materials were filtered off and the filtrate was made acidic with a strong hydrochloric acid. ~he so separated ; crystalline substance was recovered by filtration, dried and then recrystallized from benæene to afford 2.5 g. (Yield, 57%) of 2~,4'-dichloro-3-ethoxycarbonylaminosulfonyl-4-nitrodiphenyl ether as pale yellow prisms of M.P. 138 - 140C.
: .
.
.'. ~ .
- (2) Synthesis of 21 ,4'-dichloro-3-chloroacetylamlnosulfonyl-4 ; -nitrodiphen~l ether ~Compou~d No~ 12) ~o a solution of 3.6 g. (0.01 mole) of 2',4'-dichloro-3-amino~ul-fonyl-4-nitrodiphenyl ether in 2.5 m~. of a 2 w/v~0 aqueous solu-tion of sodium hydroxide were added dropwise by turns, while stirring at about 20~., 4.5 g. (0.04 mole) of chloroacetyl chlo-; ride and a 10 w/v~0 aqueou~ ~olution of sodium hydroxide to ad~ust its pE to 10 - 11. After completion of the dropwise addition, the mixture was stirred for 30 minutes, 200 ~. of water were added thereto to dissolve insolub:Le material~, the mixture was adjusted it~ pH to 4 with the dropwise additio~ of a dilute aque-OU8 solution of hydrochloric acid and then insolu~le materials were filtered off. ~hen, the filtrate was made acidic with a strong hydrochloric acid~ the so separated cry3talline substance was recovered by filtration, dried and recrystallized from a mix-ture of benzene with n-hexane to give 3.3 g. ~yield, 75%) of 2',4'-dichloro-3-chloroacetylaminosulfonyl-4-nitrodiphenyl ether as pale brown prism~ of M.P. 141 - 143 C.
(3) Synthesis of sodium salt of 2'~4'~6'-~r~c-l~r~-~-met~o~ycarbo-nvlaminosu1fonyl-4-nitrodi~henyl ether (Compound ~o. 25 : ~o a solution of 7.2 g. (0.0~8:mole) of 2',4',6'-trichloro-3-aminosulfonyl-4-~-itrodiphenyl-ether in 40 m~. of a 2.5 w/v~
a~ueous solution of sodium hydro~ide were added dropwise by turns, ~hile stirring at about 20C., 7.5 g. (0.08 mole) of methyl chloroformate and 10 wt.% of aqueous solution of sodium hydroxide ~- to adjust its pH to 10 - 11. After completion of the dropwise addition, the mixture was stirred for 30 minutes. ~hen, the so separated substance was recovered by filtration, washed with water, dehydrated and dried to give 6.6 g. (yield, 7.7~) of sodium 3~ salt of 2',4',6'-trichloro-3-methoxycarbonylaminosulfonyl-4-nitro-diphenyl ether as colorless powdery cr~stals of M~P, above 105C
(with decomp.).
,~ Z
(4) Synthesi~ of 2',4'~'-trichloro-3-N,N-dimethyl - aminocarbonvlaminosul~onvl-4-nitrodiphenyl ether (Compound ~o~ 26) ~o a solution of 2 g. (0.005 mole) of 2',~',6'-trichloro-3-amino-sulfonyl-4-nitrodiphenyl ether in 80 m~. of acetone were added 1.1 g. (0.008 mole) of potassium carbonate and 0.9 g. (0.008 mole) of N~N-dimethylcarbamoyl chloride iand the resulting mixture was heated under reflux for 12 hours~ Ihereafter, the acetone was di~tilled offy the residue was dis301ved in a dilute aqueous solu-1~ tion of sodium hydroxide, the resulting solution was ad~usted to p~ 5.8 with a dilute hydrochloric acid and insoluble materials were filtered off. The filtrate was made acidic with a strong hydrochloric acid, the so separated crystalline substance was recovered by filtration, dried and recrystallized from a mixture of benzene with n-hexane to give 1 g. (yield, 43~) of 2',4',6'-trichloro-3-N,N-dimethylaminocarbonylaminosulfonyl-4-nitrodiphenyl ether as colorless powdery crystals of M.P. 186 - 190 C~
(5) Synthesis of 2',4'-dibromo-3-methoxycarbonylaminosulfonyl-4-.. . . . . .. . . . .
nitrodiphen~l ether (Compound No. 33) ~o a solution of 2.3 g. (0.005 mole) of 2',4'-dibromo-3-aminosul-fonyl-4-nitrodiphenyl ether in 80 m~. of acetone were added 1.1 g.
(0.0075 mole) of potassium carbonate and further dropwise 0.7 g.
(0.0075 mole) of meth~l chloroformate with stirring. ~he result-ing mixture was heated under reflux for 3 hours. ~hen, the reac-tion mixture was cooled, the inorganic salts thus separated were filtered off, the solvent was distilled off from the filtrate and then the residue was dissolved in a dilute aqueou~ solution of sodium hydroxide. Insoluble substances were filtered off and the filtrate was adjusted to pH 6.0 with the dropwise addition of a dilute aqueous ~olution of hydrochloric acid. ~he crystalline substance thus separated was recovered by filtration, dried and recrystallized from a myxtilre of benzenne with n-hexane to give .
l.l g. (yieldJ 44%) of 2',4'-dibromo-3-methoxycarbonylamino3ul-fonul-4-nitrodiphenyl ether a~ pale yellow needles of M.P. 167 -172C.
nitrodiphen~l ether (Compound No. 33) ~o a solution of 2.3 g. (0.005 mole) of 2',4'-dibromo-3-aminosul-fonyl-4-nitrodiphenyl ether in 80 m~. of acetone were added 1.1 g.
(0.0075 mole) of potassium carbonate and further dropwise 0.7 g.
(0.0075 mole) of meth~l chloroformate with stirring. ~he result-ing mixture was heated under reflux for 3 hours. ~hen, the reac-tion mixture was cooled, the inorganic salts thus separated were filtered off, the solvent was distilled off from the filtrate and then the residue was dissolved in a dilute aqueou~ solution of sodium hydroxide. Insoluble substances were filtered off and the filtrate was adjusted to pH 6.0 with the dropwise addition of a dilute aqueous ~olution of hydrochloric acid. ~he crystalline substance thus separated was recovered by filtration, dried and recrystallized from a myxtilre of benzenne with n-hexane to give .
l.l g. (yieldJ 44%) of 2',4'-dibromo-3-methoxycarbonylamino3ul-fonul-4-nitrodiphenyl ether a~ pale yellow needles of M.P. 167 -172C.
(6) Synthesi~ of 2~,4'-dichloro-6'-~ uro-3-methox~carbon~ amino-sulfonyl-4-nitrodiphenyl ether (Compound No 38) ~o a solution of 2.0 g. (0.005 mole) of 2'4'-dichloro-6'-fluro-3-aminosulfonyl-4-nitrodiphenyl ether in 80 m~. of acetone were addea 1.2 g. (0.008 mole) of pota~sium carbonate and 0.8 g.
(0.008 mole) of methyl chloroformate and the resulting mixture was heated under reflux for 6 hours. After cooling, the inorga-nic salts thu~ separated were filtered off, the olvent was distil-led off from the filtrate, the residue was di~olved in a dilute aqueous solution of sodium hydroxide. Then, in~oluble ~ubstances were filtered off, the filtrate was adjusted to~pH 6 with the dropwise addition of a dilute aqueous-solution of hydrochloric acid and the so separated crystalline substance was filtered off.
The filtrate was made acidic with a ~trong hydrochloric acid, the crystalline ~ubstance thus separated was recovered by fil-tration, dried and recrystallized from benzene to give 1.3 g. (yield, 57%) of 2',4~-dichloro-6~-fluoro-3-methoxycarbonylaminosulfonyl-4-nitro-diphenyl ether as pale yellow prisms of M.P. 152 - 156 C.
In another aspect of this invention, there is provided a herbicidal composition which comprises as an active ingredient the diphenyl ether derivative of the above formula (I) and an agriculturally acceptable carrier.
When the diphenyl ether derivative of this invention is to be applied a~ herbicide~, the derivative may be formulated for u~e to the preparat~ns commonly employed as a herbicide, for example, dusts, granules, wet-table powders, emulsi~iable concen-trate~, water soluble powders, liquid formulations and so on, with admixture of an inert carrier and, if required, other auxi-liary agents.
. .
:, ~ . .
. , ~
A~ the inert carrier, there may be mentioned any of solid, liquid or ga~eou~ carriers ordinarily employed in the art fox herbicide~ and, for example, talc, clay9 kaolin~ diatomaceou~
earth, calcium carbonate, bentonite, white carbon, benzene, xyle-ne, n-hexane, methylnaphthalene, cyclohexanone, isophoron and the like.
The herbicidal compo~ition of this imvention may al~o optionally be blended with any a~iliary agent~ for preparation, for example, spreaders, diluent~, ~urface acti~re agent~, ~olvents ` 10 and the like as u~ually done in the art.
Moreover, the herbicidal compo~ition of this invention may also be admixed with other herbicides, fungicides, insectici-de~, other agricultural chemical~, fertilisers, e.g. urea, ammo-nium sulfate, ammonium pho~phate, pota~sic fertili~er~, soil conditioners and the like.
As the herbicides which may advantadeously be admixed with the compound of formula (I), there may be mentioned a thiocarbamate type herbicide such a~ ~enthiocarb (Saturn*
the ehemical name of whieh is S-(4-chlorobenzyl)-N,N-diethyl-thiolearbamate.), Molinate (Ordram*--the chemieal name of ` whieh is S-ethyl-N,N-hexamethylenethiolcarbamate),ete.; an aeid amide type herbieide such as Alachlor (Rasso*--the chemi-eal name oE whieh is ~-ehloro-2,6-diethyl-N-methoxy~ethyla-eetanilide), Butaehlor (Maehete*-- the ehemieal name of whieh is ~-ehloro-2,6--diethyl-N-butoxymethylaeetanilide), ete.; a phenoxy type herbieide sueh as 2,4-PA,*(the ehemieal name of which is 2,4-dichlorophenoxyacetic aeid), MCP, ete.: a diphenyl ether type herbieide sueh as Ni-trofen (NlP,* the ehemieal name of which is 2,4-dichloro-4 -ni-trodiphenyl ether), Chlornitrofen (MO*, the ehemieal name of whieh is 2,4,6-trichlorophenyl-4 -nitrodiphenyl ether), e-tc.: a urea *trademark ~ i -2~-, "..~
~- .
type herbicide such as Diuron (Karmex D,* the chemical name of which is 3-(3,4-dichlorophenyl)-1,1-dimethylurea), Linuron (Afalon*, the chemical name of which is 3-(3,4-dichlorophenyl)-l-methoxy-l-methylurea),etc.; a triazine type herbicide such as Simazin (Princep,* the chemical name of which is 2-chloro-4,6-bis(ethylamino)-1 r 3,5-triazine), Atrazin (Gesaprim,*the chemical name of which is 2-chloro-4-ethylamino-6-isopropylamino-1,3,5-triazine),etc.; and other herbicides such as Trifluralin (Treflan,* the chemical name of which is 2,6-dinitro-N,N-dipropyl-4-trifluoromethylanaline), Oxadiazon (Ronstar* the chemical name of which is 5-tert-butyl -3-(2,4-dichloro-5-isopropoxyphenyl)-1,3,4-oxadiazol-2 one), ACN (Mogeton,*the chemical name of which is 2-amino-3-chloro-1,4 napthoquinone), Bentazon (Basagran,* the chemical name of which is 3-isopropyl-(lH)-benzo-2,1,3-thiadiazin-4-one-2,2-dioxide), etc.
The above mentioned carriers and various auxilia-ry agents may be optionally utilized alone or in combination therewith for desired purposes.
In general the herbicidal composition of this invention may contain the diphenyl ether derivative in an amount of :. /
*Trademark -24a-..
"~t~`) 0.1 - 99% by weight, based upon the finished compo~ition and the content of the active derivative in a herbicidal composition may usually depend upon the preparation form to be formulated, for instance, ordinarily 1 - 25 part~ by weight for dusts, 25 -90 parts by weight for wettable powders, 1 - 35 parts by weight for granules, 5 - 50 parts by weight for emul~ifiable concentra-te~ and the like.
The amount of the herbicidal composition to be applied usually to a field is 1 - 100 g/a with respect to the active ingredient of this invention.
Examples of the prepation of the pre~ent herbicidal ~` composition are given below. All parts are gi~en by weight here-inafter unless otherwi~e stated.
Example 5. Granules - 8 parts of 2',3'-dichloro-3-aminosulfonyl-4-nitrodiphenyl ether (Compound No. 5), 30 parts of bentonite, 59 parts of talc, 1 part of "Neopolex powder" (trade n~me of surfactant from Kao-Atlas K.X.) and 2 parts of sodium ligno~ulfonate were homogeneously blended. ~o the blend was added a small amount of water and the mixture was kneaded, granulated and dried to give granules.
Æxample 6. ~Yettable powders 50 parts of 2t~4'-dichloro-3-methoxycarbonylaminosulfonyl-4-nitro-diphenyl ether (Compound No. 9), 48 parts of ~aolin and 2 part~
of ~eopelex powder were homogeneously blended and pulverized to give wettable powders~
Example 7. mulsifiable concentrates 50 parts of 2',~'-dichloro-3-ethoxycarbonylaminosulfonyl-~-nitro-diphenyl ether (Compound ~o. 10), 40 part~ of xylene, 5 parts of dimethylformamide and 5 parts of "~oxanon" (trade name of surfac-tant from Sanyo Ka~ei Kogyo K.K) were homogeneously blended anddissolved to give emulsifiable concentrates.
. , .
-.
Example 8. Dusts 5 part~ of 2',4',6'-trichloro-3-methoxycarbonyla~inosulfonyl-4-nitrodiphenyl ether (Compound ~o. 23, 50 parts of talc and 45 parts of Kaolin were homogeneously blended to give dusts.
Experimental example~ of the present herbicidal compo-sitions are given below in order t;o illustrate herbicidal effects of the present composition more fully. In these Experiments, the test compounds' number~ are the same Compound No~. as designated hereinabove and the test compound~ are applied n the form of the ;~ 10 wettable powder prepared according to the procedures of the above Example 6~ which is used after dilution with water to a concentra-tion of the active ingredient of 1000 ppm.
Experiment 1.
Water surface application (soil treatment) test for padd~ field wedd control Wagner pots, each having the surface of 1/5000 are, were packed with Ube soil (alluvial soil) and transplanted with seeds of bar-~ nyardgras~, tubers of "Mizugayatsuri" (C~perus_serotinus Rottb.) ; and o~ "Urikawa" (Sa~ittaria E~ a Miq.) and stock~q of slender spikerush. ~henr the pots were slightly covered with soil andseeds of monochoria and of "Hotarui" (Scirpus hotarui Ohwi)-~erè
~owed thereover and rice plant seedlings at 2 leaf stage (variety:
Nihonbare) were also transplanted. ~hen, the pots were filled with water to a depth of 3 cm.
At the date of germination of weeds, each test compound - in the indicated dose was applied dropwi~e with a pipette and the were kept in a gla~s chamber at an average temperature of approximately 25C.
After ~ week~ from the treatment, herbicidal effects, of each test compound were investigated.
The re~ults are ~ummarized in the following ~able 2 wherein herbicidal effects were evaluated according to the rating 3ystems as defined below:
-26_ 5 = All killed; 4 = Severely damaged;
3 = Moderately damaged; 2 = Sligh-tly damaged;
1 = Minor damaged; O = None (normal development) .. .
~able 2.
Test Dose Rice Barn- _ _ _ Slender ~cirpus Mono- Sagi-com- seed- yard- serotl- sp:ike otaruilchoria ttarlc pound g/a lings grass nus rush pymaec ; 1 25 O 3 2 3 5 5 3 12.5 O 2 1 1 5 5 3 O ~ 5 15 5 5 5 5 12.5 0 * 4 3 5 5 4 ' - 3 25 O 4 5 4- 5 5 5 ; 12.5 O 4 4 3 5 5 4 o 4 3 3 5 5 4 ~, 4 25 O 2 2 3 5 5 3 12.5 O 2 1 2 5 5 2 ; 50 O 4 3 3 5 5 4 , 5 25 O 3 2 3 5 5 4 ~`` 12.5 O 2 2 2 5 5 2 O 5 - 5 ~ 5 5 5 5 ' 12.5 O - 4 4 4 ~ 5 5 4 ` 7 25 O 5 5 4 5 5 5 ~` 12.5 O -3 4 - 3 5 5 4 : 50 O 3 ~3 2 5 5 4 ~; 12.5 O 1 2 O 5 5 1 12.5 O 5 5 5 5 5 5 ,-:
.
`:
Table 2. (cont'd) Test Dose Rice Barn- Cyperu e Slender cirpus Mono- ~
com- seed- yard- seroti- spike lotarui choria ttarlc poOund g/a lings grass nus rush _ pymaec O 5 5 'j 5 5 5 12.5 O 5 5 5 5 5 5 .. ' _.
12.5 O 5 5 5 5 5 5 12 25 `O 5 5 4 ` 5 5 5 ` 12.5 O 4 3 3 5 5 4 12.5 O 3 4 2 5 5 4 .
12.5 O 4 3 2 5 5 4 .
` 15 25 O 5 5 4 5 5 5 ' 12.5 O 4 3 3 5 5 . _ _ ; 12.5 O 2 1 1~ 5 5 3 12.5 O 1 1 1 5 5 2 _ .
12.5 O 2 1 1 5 5 2 .
.. . .
. . ~ . , ` :
- Table 2. ~cont'd) Test Dose Rice Barn- Cyperuc Slender Scirpuc Mono- Sa~_-com- seed- yard- seroti- spike hotarui choria ttaria No. g/a lin~s grass nus ru~sh _ - pymaea -` 19 25 0 54 3 5 5 5 ` 12.5 0 3 2 2 5 -- 5 4 0 5 5 5` 5 5 5 :- 20 25 0 ~ 4 3 5 5 5 ~" 12.5 0 4 2 2 5 5 4 .. . ....
`; 12.5 0 1 1 1 5 5 ''.' . . ..
`~` 50 0 3 3 2 5 5 4 22 25 0 2` ` 2 1 5 5 2 12.5 0 1 1 1 - 5 5 2 ; 23 25 0 5 5 5 5 5 5 12.5 0 5 5 5 5 5 5 . .
12.5 0 5 5 5 5 5 5 .. .. ..
~; 50 0 5 5 5 5 5 5 12.5 0 5 5 5 5 5 5 :........................... ._. ._ ._ 12.5 0 3 3 2 5 5 4 ...
12,5 0 5 5 - 5----- 5 5 5 `
~6~:
Table 2. ~cont'd) Test Dose Rice Barn~ 'yperusl Slender Scirp~ Mono- Sagi-com- seed- yard- ~ieroti-¦ spike hotarui: choria ttaric .~ poOund g/a lings grass lus ¦ rush _ pymaec . _ .. 50 O 4 3 3 5 5 4 i 28 25 O 3 2 3 5 5 2 `` 12,5 O 3 1 _ 1 5 5 1 O 5 4 `4 5 5 5 `` ` 29 25 O 4 3 3 5 5 4 12.5 O 3 2 2 5 - 5 3 . 50 O 5 4 5 5 5 5 ` : 30 25 O 4 3 5 5 5 4 :. 12.5 O 3 . 2 2 5 5 3 ~`
: . 50 O 4 3 2 5 5 3 :~` 12.5 O 2 1 1 5 5 2 . 50 O 3 3 3 5 5 3 . 32 25 O 2 2 2 5 5 2 12.5 O 2 1 2 5 5 1 ~:
~- 50 O 5 5 5 ~5~ 5 5 `~ 33 25 O 5 5 5 5 5 5 .
. 12.5 O 5 5 5 5 5 5 : 50 O 5 5 5 5 5 5 12.5 O 5 5 5 5 5 5 . 35 25 O 5 4 3 5 5 5 1?.5 O 3 3 2 5 5 4 12.5 O 5 5 5 5 5 5 .
, --3-- `
. . .
T`able 2. (cont'd) : Test ; co~- Dose Rice Barn- _ype.rus Slender ~cirpus Mono- agi-pound seed- yard- :; roti- spike ilotarui. choria tt~rlc . No. y/a lin~s ~rass lUS rush . ~ymac~
`` 50 O 5 ~ 4 5 S 5 12.5 O 4 2 2 5 5 4 O 5 5 ~ 5 5 5 5 12.5 O 5 5 5 --5 5 5 _ ~` 39 25 O 5 5 5 5 5 5 12.5 O 5 5 5 5 5 5 12.5 O 4 3 4 5 5 4 12.5 O 4 3 4 5 5 5_ `
12.5 O 4 4 3 5 5 4 _ 12.5 O 5 4 4 5 5 4 :~
12.5 O 2 1 2 4 5 4 .
O 5~ 5 4 5 5 5 12,5 O 4 2 3 5 5 4 , . , .
--3:1--::
:
Table 2. (cont'd) com- Dose Rice Barn- Cyperus Slender Scirpuc Mono- ,aqi-pound seed- yard- ser~ spike notaru: choria ttari~
No. g/a lings grass nus rush ymaec O 4 4 4 5 5 . 4 ~` 46 25 O 2 2 3 5 5 2 12.5 O 2 1 2 4 - 5 2 12.5 O 5 4 5- ` 5 ~ 5 4 O` 5 5 5 5 5 5 , 48 25 O 5 4 5 5 5 5 12.5 O- 4 4 4 4 5 3 49 25 O 3 2~ 4 5 5 2 12.5 O 2 2 2 3 4 1 12.5 O 4 3 3 4 5 3 ` 51 25 O 3 3 3 5 5 3 12.5 O 2 2 2 5 4 2 _ 50- O 5 5 - 5 5 5 5 12.5 O _5 _ 5 ~ 5_ 5 ~ ~ 5_ _ 5 ` 50 O 5 ~ ~ 5 5 5 5 5 12.5 O 5 5 5 5 5 5 12,5 O 3 4 3 5 5 4 : , .
, . . .
, .
.~ . .
' . ' ' ' '' . ' ':
6~
Table 2. (cont'd) - Test Dose Ricë Barn- Cyperus ISlendër ~ ¦Sagi com- seed- yard- seroti-- spike hotarui¦chorlz ttaria NpOund g/a lings gras~ nus rush l ~maea . . . ............. . _ . _ ~, .. . , ~ ~ . _ NIP* 25 O 5 4 4 5 ¦ 5 2 12 5 0 5 2 4 4 l5 0 * 2',4'-Dichloro-4-nitro-diphenyl ether Experiment 2.
- ~ests against perinrial weeds_at various growth sta~s ~ Wagner pots, each having the surface of 1/5000 are, were packed i with Ube soil and tubers of "Mizuga~atsuri (Cyperus serotinus Rottb.~" and of "Urikawa (Sa~ittaria ~aea Miq.)" were planted and then the pots were filled with water to a depth of 3 cm.
Before germination and at the dates of grown heights of 5 cm. and 10 cm. in C~perus serotinus and before germination and at 2 and 4 leaf stages in Sa~ittaria p~maea, each test compound at the indicated dose was applied dropwise with a pipette. Then, the pots were kept in a glass chamber at an average -temperature of approx~mately 25C.
After 2 weeks from the treatment, herbicidal effects of each test compound were in~estigated.
The results are summarized in ~able 3 wherein the same rating sy~tems as in the Experiment 1 were applied.
.
Table 3.
Cyperus serotinus I Sagittaria pymaea TestDose . I .
com- Treatment pound g/a No. Before 5 cm 10 cm Before 2 leaf 4 leaf qerm . qerm . stage stage .
. , 9 20 S 5 5 5 .5 .4 .
. 10 5 5 4 5 S 3 . 40 5 5 5 5 5 5 10 20 5 5 5 5 5 . 5 . 10 5 5 5 5 5_ 5 : . 40 5 5 4 5 5 2 11 20 5 5 3 55 ~ 1 : 10 5 5 2 5 - 5 1 . 5 5 4 5 5 5 . 23 20 5 ` 5 3 5 .5 5 . 10 .5 4 `2. 5 5 4 24 20 5 4 2 . 5 5 4 -..... . 40 5 5 4 5 5 5 . 25 20 5 5 3 5 5 5 ~ 2 5 5 2 40--~5 4 2 5 5 : 33 20 5 2 . 1 5 4 0 ., 10 5 1 0 5 2 . 0 52 20 5 . 5 5 5 5 4 .
. 40 5 5 5 5 5 5 .
. 10 5 5 3 5 5 2 NIP. 203 . 0 0 1 0 0 10 _ O O O O O O
--3'~--.
f~
.
Experiment 3.
Soil treatment tests for upland weed control Waf~ner potæ, each having the surface of 1/5000 are, were packed with Ube soil and then seeds of wheat (variety:
Kobushikomugi), of soybean ~variety: ~atsudaizu No. 1), of manna-grass, of barnyardgraf~fæ, of common purslane, o~ pearlwort and of wavy bittercre~s were sowed. After covering with soil, each test compound was sprayed under pressure onto the soil sur~ace at the indicated dose and then the pots were kept in a glass chamber at an average temperature of approximately 25C.
After 2 weeks-from the treatment, herbicidal e~fectæ
of each test compound were in~estigated.
~ he rèsults are summarized in ~able 4 wherein the same rating system as in the E2periment 1 were applied.
Table 4.
..._ .. . . ..` ~
Test Dose ~heat Sog- ~anna- ~a~n_ Com- Pearl- Wa~y :: com-- bean ~rass yard- mon wort bitter-pound g/a grass purs- creæfs ; No. gras lane ~ 50 -~-~ 0 - --o ~ _ ~ 5 - - 4 4 12.5 0 0 1 4 3 0 3 . ._. . . . .
; 2 25 0 0 3 5 5 5 5 12.5 0 0 2 5 5 5 ~ 5 , . . _ . _ 12.5 0 0 3 5 5 5 5 _ __ . ~ .. , 2.5 0 0 1 5 5 5 --5 ~35-:' a6~
.
Table 4. (cont'd) Test Dose Wheat Soy- Manna- Barn~ mon Pearl- Wavy pound g/a bean grass Ygarc~lds PUne~ wort bitter-. 50 O O 3 . ~ 5 3 5 12.5 O O 1 4 2 0~ 2 . ~ .
. 50 O O 4 5 5 5 5 12.5 O O 3 5 5 5 5
(0.008 mole) of methyl chloroformate and the resulting mixture was heated under reflux for 6 hours. After cooling, the inorga-nic salts thu~ separated were filtered off, the olvent was distil-led off from the filtrate, the residue was di~olved in a dilute aqueous solution of sodium hydroxide. Then, in~oluble ~ubstances were filtered off, the filtrate was adjusted to~pH 6 with the dropwise addition of a dilute aqueous-solution of hydrochloric acid and the so separated crystalline substance was filtered off.
The filtrate was made acidic with a ~trong hydrochloric acid, the crystalline ~ubstance thus separated was recovered by fil-tration, dried and recrystallized from benzene to give 1.3 g. (yield, 57%) of 2',4~-dichloro-6~-fluoro-3-methoxycarbonylaminosulfonyl-4-nitro-diphenyl ether as pale yellow prisms of M.P. 152 - 156 C.
In another aspect of this invention, there is provided a herbicidal composition which comprises as an active ingredient the diphenyl ether derivative of the above formula (I) and an agriculturally acceptable carrier.
When the diphenyl ether derivative of this invention is to be applied a~ herbicide~, the derivative may be formulated for u~e to the preparat~ns commonly employed as a herbicide, for example, dusts, granules, wet-table powders, emulsi~iable concen-trate~, water soluble powders, liquid formulations and so on, with admixture of an inert carrier and, if required, other auxi-liary agents.
. .
:, ~ . .
. , ~
A~ the inert carrier, there may be mentioned any of solid, liquid or ga~eou~ carriers ordinarily employed in the art fox herbicide~ and, for example, talc, clay9 kaolin~ diatomaceou~
earth, calcium carbonate, bentonite, white carbon, benzene, xyle-ne, n-hexane, methylnaphthalene, cyclohexanone, isophoron and the like.
The herbicidal compo~ition of this imvention may al~o optionally be blended with any a~iliary agent~ for preparation, for example, spreaders, diluent~, ~urface acti~re agent~, ~olvents ` 10 and the like as u~ually done in the art.
Moreover, the herbicidal compo~ition of this invention may also be admixed with other herbicides, fungicides, insectici-de~, other agricultural chemical~, fertilisers, e.g. urea, ammo-nium sulfate, ammonium pho~phate, pota~sic fertili~er~, soil conditioners and the like.
As the herbicides which may advantadeously be admixed with the compound of formula (I), there may be mentioned a thiocarbamate type herbicide such a~ ~enthiocarb (Saturn*
the ehemical name of whieh is S-(4-chlorobenzyl)-N,N-diethyl-thiolearbamate.), Molinate (Ordram*--the chemieal name of ` whieh is S-ethyl-N,N-hexamethylenethiolcarbamate),ete.; an aeid amide type herbieide such as Alachlor (Rasso*--the chemi-eal name oE whieh is ~-ehloro-2,6-diethyl-N-methoxy~ethyla-eetanilide), Butaehlor (Maehete*-- the ehemieal name of whieh is ~-ehloro-2,6--diethyl-N-butoxymethylaeetanilide), ete.; a phenoxy type herbieide sueh as 2,4-PA,*(the ehemieal name of which is 2,4-dichlorophenoxyacetic aeid), MCP, ete.: a diphenyl ether type herbieide sueh as Ni-trofen (NlP,* the ehemieal name of which is 2,4-dichloro-4 -ni-trodiphenyl ether), Chlornitrofen (MO*, the ehemieal name of whieh is 2,4,6-trichlorophenyl-4 -nitrodiphenyl ether), e-tc.: a urea *trademark ~ i -2~-, "..~
~- .
type herbicide such as Diuron (Karmex D,* the chemical name of which is 3-(3,4-dichlorophenyl)-1,1-dimethylurea), Linuron (Afalon*, the chemical name of which is 3-(3,4-dichlorophenyl)-l-methoxy-l-methylurea),etc.; a triazine type herbicide such as Simazin (Princep,* the chemical name of which is 2-chloro-4,6-bis(ethylamino)-1 r 3,5-triazine), Atrazin (Gesaprim,*the chemical name of which is 2-chloro-4-ethylamino-6-isopropylamino-1,3,5-triazine),etc.; and other herbicides such as Trifluralin (Treflan,* the chemical name of which is 2,6-dinitro-N,N-dipropyl-4-trifluoromethylanaline), Oxadiazon (Ronstar* the chemical name of which is 5-tert-butyl -3-(2,4-dichloro-5-isopropoxyphenyl)-1,3,4-oxadiazol-2 one), ACN (Mogeton,*the chemical name of which is 2-amino-3-chloro-1,4 napthoquinone), Bentazon (Basagran,* the chemical name of which is 3-isopropyl-(lH)-benzo-2,1,3-thiadiazin-4-one-2,2-dioxide), etc.
The above mentioned carriers and various auxilia-ry agents may be optionally utilized alone or in combination therewith for desired purposes.
In general the herbicidal composition of this invention may contain the diphenyl ether derivative in an amount of :. /
*Trademark -24a-..
"~t~`) 0.1 - 99% by weight, based upon the finished compo~ition and the content of the active derivative in a herbicidal composition may usually depend upon the preparation form to be formulated, for instance, ordinarily 1 - 25 part~ by weight for dusts, 25 -90 parts by weight for wettable powders, 1 - 35 parts by weight for granules, 5 - 50 parts by weight for emul~ifiable concentra-te~ and the like.
The amount of the herbicidal composition to be applied usually to a field is 1 - 100 g/a with respect to the active ingredient of this invention.
Examples of the prepation of the pre~ent herbicidal ~` composition are given below. All parts are gi~en by weight here-inafter unless otherwi~e stated.
Example 5. Granules - 8 parts of 2',3'-dichloro-3-aminosulfonyl-4-nitrodiphenyl ether (Compound No. 5), 30 parts of bentonite, 59 parts of talc, 1 part of "Neopolex powder" (trade n~me of surfactant from Kao-Atlas K.X.) and 2 parts of sodium ligno~ulfonate were homogeneously blended. ~o the blend was added a small amount of water and the mixture was kneaded, granulated and dried to give granules.
Æxample 6. ~Yettable powders 50 parts of 2t~4'-dichloro-3-methoxycarbonylaminosulfonyl-4-nitro-diphenyl ether (Compound No. 9), 48 parts of ~aolin and 2 part~
of ~eopelex powder were homogeneously blended and pulverized to give wettable powders~
Example 7. mulsifiable concentrates 50 parts of 2',~'-dichloro-3-ethoxycarbonylaminosulfonyl-~-nitro-diphenyl ether (Compound ~o. 10), 40 part~ of xylene, 5 parts of dimethylformamide and 5 parts of "~oxanon" (trade name of surfac-tant from Sanyo Ka~ei Kogyo K.K) were homogeneously blended anddissolved to give emulsifiable concentrates.
. , .
-.
Example 8. Dusts 5 part~ of 2',4',6'-trichloro-3-methoxycarbonyla~inosulfonyl-4-nitrodiphenyl ether (Compound ~o. 23, 50 parts of talc and 45 parts of Kaolin were homogeneously blended to give dusts.
Experimental example~ of the present herbicidal compo-sitions are given below in order t;o illustrate herbicidal effects of the present composition more fully. In these Experiments, the test compounds' number~ are the same Compound No~. as designated hereinabove and the test compound~ are applied n the form of the ;~ 10 wettable powder prepared according to the procedures of the above Example 6~ which is used after dilution with water to a concentra-tion of the active ingredient of 1000 ppm.
Experiment 1.
Water surface application (soil treatment) test for padd~ field wedd control Wagner pots, each having the surface of 1/5000 are, were packed with Ube soil (alluvial soil) and transplanted with seeds of bar-~ nyardgras~, tubers of "Mizugayatsuri" (C~perus_serotinus Rottb.) ; and o~ "Urikawa" (Sa~ittaria E~ a Miq.) and stock~q of slender spikerush. ~henr the pots were slightly covered with soil andseeds of monochoria and of "Hotarui" (Scirpus hotarui Ohwi)-~erè
~owed thereover and rice plant seedlings at 2 leaf stage (variety:
Nihonbare) were also transplanted. ~hen, the pots were filled with water to a depth of 3 cm.
At the date of germination of weeds, each test compound - in the indicated dose was applied dropwi~e with a pipette and the were kept in a gla~s chamber at an average temperature of approximately 25C.
After ~ week~ from the treatment, herbicidal effects, of each test compound were investigated.
The re~ults are ~ummarized in the following ~able 2 wherein herbicidal effects were evaluated according to the rating 3ystems as defined below:
-26_ 5 = All killed; 4 = Severely damaged;
3 = Moderately damaged; 2 = Sligh-tly damaged;
1 = Minor damaged; O = None (normal development) .. .
~able 2.
Test Dose Rice Barn- _ _ _ Slender ~cirpus Mono- Sagi-com- seed- yard- serotl- sp:ike otaruilchoria ttarlc pound g/a lings grass nus rush pymaec ; 1 25 O 3 2 3 5 5 3 12.5 O 2 1 1 5 5 3 O ~ 5 15 5 5 5 5 12.5 0 * 4 3 5 5 4 ' - 3 25 O 4 5 4- 5 5 5 ; 12.5 O 4 4 3 5 5 4 o 4 3 3 5 5 4 ~, 4 25 O 2 2 3 5 5 3 12.5 O 2 1 2 5 5 2 ; 50 O 4 3 3 5 5 4 , 5 25 O 3 2 3 5 5 4 ~`` 12.5 O 2 2 2 5 5 2 O 5 - 5 ~ 5 5 5 5 ' 12.5 O - 4 4 4 ~ 5 5 4 ` 7 25 O 5 5 4 5 5 5 ~` 12.5 O -3 4 - 3 5 5 4 : 50 O 3 ~3 2 5 5 4 ~; 12.5 O 1 2 O 5 5 1 12.5 O 5 5 5 5 5 5 ,-:
.
`:
Table 2. (cont'd) Test Dose Rice Barn- Cyperu e Slender cirpus Mono- ~
com- seed- yard- seroti- spike lotarui choria ttarlc poOund g/a lings grass nus rush _ pymaec O 5 5 'j 5 5 5 12.5 O 5 5 5 5 5 5 .. ' _.
12.5 O 5 5 5 5 5 5 12 25 `O 5 5 4 ` 5 5 5 ` 12.5 O 4 3 3 5 5 4 12.5 O 3 4 2 5 5 4 .
12.5 O 4 3 2 5 5 4 .
` 15 25 O 5 5 4 5 5 5 ' 12.5 O 4 3 3 5 5 . _ _ ; 12.5 O 2 1 1~ 5 5 3 12.5 O 1 1 1 5 5 2 _ .
12.5 O 2 1 1 5 5 2 .
.. . .
. . ~ . , ` :
- Table 2. ~cont'd) Test Dose Rice Barn- Cyperuc Slender Scirpuc Mono- Sa~_-com- seed- yard- seroti- spike hotarui choria ttaria No. g/a lin~s grass nus ru~sh _ - pymaea -` 19 25 0 54 3 5 5 5 ` 12.5 0 3 2 2 5 -- 5 4 0 5 5 5` 5 5 5 :- 20 25 0 ~ 4 3 5 5 5 ~" 12.5 0 4 2 2 5 5 4 .. . ....
`; 12.5 0 1 1 1 5 5 ''.' . . ..
`~` 50 0 3 3 2 5 5 4 22 25 0 2` ` 2 1 5 5 2 12.5 0 1 1 1 - 5 5 2 ; 23 25 0 5 5 5 5 5 5 12.5 0 5 5 5 5 5 5 . .
12.5 0 5 5 5 5 5 5 .. .. ..
~; 50 0 5 5 5 5 5 5 12.5 0 5 5 5 5 5 5 :........................... ._. ._ ._ 12.5 0 3 3 2 5 5 4 ...
12,5 0 5 5 - 5----- 5 5 5 `
~6~:
Table 2. ~cont'd) Test Dose Rice Barn~ 'yperusl Slender Scirp~ Mono- Sagi-com- seed- yard- ~ieroti-¦ spike hotarui: choria ttaric .~ poOund g/a lings grass lus ¦ rush _ pymaec . _ .. 50 O 4 3 3 5 5 4 i 28 25 O 3 2 3 5 5 2 `` 12,5 O 3 1 _ 1 5 5 1 O 5 4 `4 5 5 5 `` ` 29 25 O 4 3 3 5 5 4 12.5 O 3 2 2 5 - 5 3 . 50 O 5 4 5 5 5 5 ` : 30 25 O 4 3 5 5 5 4 :. 12.5 O 3 . 2 2 5 5 3 ~`
: . 50 O 4 3 2 5 5 3 :~` 12.5 O 2 1 1 5 5 2 . 50 O 3 3 3 5 5 3 . 32 25 O 2 2 2 5 5 2 12.5 O 2 1 2 5 5 1 ~:
~- 50 O 5 5 5 ~5~ 5 5 `~ 33 25 O 5 5 5 5 5 5 .
. 12.5 O 5 5 5 5 5 5 : 50 O 5 5 5 5 5 5 12.5 O 5 5 5 5 5 5 . 35 25 O 5 4 3 5 5 5 1?.5 O 3 3 2 5 5 4 12.5 O 5 5 5 5 5 5 .
, --3-- `
. . .
T`able 2. (cont'd) : Test ; co~- Dose Rice Barn- _ype.rus Slender ~cirpus Mono- agi-pound seed- yard- :; roti- spike ilotarui. choria tt~rlc . No. y/a lin~s ~rass lUS rush . ~ymac~
`` 50 O 5 ~ 4 5 S 5 12.5 O 4 2 2 5 5 4 O 5 5 ~ 5 5 5 5 12.5 O 5 5 5 --5 5 5 _ ~` 39 25 O 5 5 5 5 5 5 12.5 O 5 5 5 5 5 5 12.5 O 4 3 4 5 5 4 12.5 O 4 3 4 5 5 5_ `
12.5 O 4 4 3 5 5 4 _ 12.5 O 5 4 4 5 5 4 :~
12.5 O 2 1 2 4 5 4 .
O 5~ 5 4 5 5 5 12,5 O 4 2 3 5 5 4 , . , .
--3:1--::
:
Table 2. (cont'd) com- Dose Rice Barn- Cyperus Slender Scirpuc Mono- ,aqi-pound seed- yard- ser~ spike notaru: choria ttari~
No. g/a lings grass nus rush ymaec O 4 4 4 5 5 . 4 ~` 46 25 O 2 2 3 5 5 2 12.5 O 2 1 2 4 - 5 2 12.5 O 5 4 5- ` 5 ~ 5 4 O` 5 5 5 5 5 5 , 48 25 O 5 4 5 5 5 5 12.5 O- 4 4 4 4 5 3 49 25 O 3 2~ 4 5 5 2 12.5 O 2 2 2 3 4 1 12.5 O 4 3 3 4 5 3 ` 51 25 O 3 3 3 5 5 3 12.5 O 2 2 2 5 4 2 _ 50- O 5 5 - 5 5 5 5 12.5 O _5 _ 5 ~ 5_ 5 ~ ~ 5_ _ 5 ` 50 O 5 ~ ~ 5 5 5 5 5 12.5 O 5 5 5 5 5 5 12,5 O 3 4 3 5 5 4 : , .
, . . .
, .
.~ . .
' . ' ' ' '' . ' ':
6~
Table 2. (cont'd) - Test Dose Ricë Barn- Cyperus ISlendër ~ ¦Sagi com- seed- yard- seroti-- spike hotarui¦chorlz ttaria NpOund g/a lings gras~ nus rush l ~maea . . . ............. . _ . _ ~, .. . , ~ ~ . _ NIP* 25 O 5 4 4 5 ¦ 5 2 12 5 0 5 2 4 4 l5 0 * 2',4'-Dichloro-4-nitro-diphenyl ether Experiment 2.
- ~ests against perinrial weeds_at various growth sta~s ~ Wagner pots, each having the surface of 1/5000 are, were packed i with Ube soil and tubers of "Mizuga~atsuri (Cyperus serotinus Rottb.~" and of "Urikawa (Sa~ittaria ~aea Miq.)" were planted and then the pots were filled with water to a depth of 3 cm.
Before germination and at the dates of grown heights of 5 cm. and 10 cm. in C~perus serotinus and before germination and at 2 and 4 leaf stages in Sa~ittaria p~maea, each test compound at the indicated dose was applied dropwise with a pipette. Then, the pots were kept in a glass chamber at an average -temperature of approx~mately 25C.
After 2 weeks from the treatment, herbicidal effects of each test compound were in~estigated.
The results are summarized in ~able 3 wherein the same rating sy~tems as in the Experiment 1 were applied.
.
Table 3.
Cyperus serotinus I Sagittaria pymaea TestDose . I .
com- Treatment pound g/a No. Before 5 cm 10 cm Before 2 leaf 4 leaf qerm . qerm . stage stage .
. , 9 20 S 5 5 5 .5 .4 .
. 10 5 5 4 5 S 3 . 40 5 5 5 5 5 5 10 20 5 5 5 5 5 . 5 . 10 5 5 5 5 5_ 5 : . 40 5 5 4 5 5 2 11 20 5 5 3 55 ~ 1 : 10 5 5 2 5 - 5 1 . 5 5 4 5 5 5 . 23 20 5 ` 5 3 5 .5 5 . 10 .5 4 `2. 5 5 4 24 20 5 4 2 . 5 5 4 -..... . 40 5 5 4 5 5 5 . 25 20 5 5 3 5 5 5 ~ 2 5 5 2 40--~5 4 2 5 5 : 33 20 5 2 . 1 5 4 0 ., 10 5 1 0 5 2 . 0 52 20 5 . 5 5 5 5 4 .
. 40 5 5 5 5 5 5 .
. 10 5 5 3 5 5 2 NIP. 203 . 0 0 1 0 0 10 _ O O O O O O
--3'~--.
f~
.
Experiment 3.
Soil treatment tests for upland weed control Waf~ner potæ, each having the surface of 1/5000 are, were packed with Ube soil and then seeds of wheat (variety:
Kobushikomugi), of soybean ~variety: ~atsudaizu No. 1), of manna-grass, of barnyardgraf~fæ, of common purslane, o~ pearlwort and of wavy bittercre~s were sowed. After covering with soil, each test compound was sprayed under pressure onto the soil sur~ace at the indicated dose and then the pots were kept in a glass chamber at an average temperature of approximately 25C.
After 2 weeks-from the treatment, herbicidal e~fectæ
of each test compound were in~estigated.
~ he rèsults are summarized in ~able 4 wherein the same rating system as in the E2periment 1 were applied.
Table 4.
..._ .. . . ..` ~
Test Dose ~heat Sog- ~anna- ~a~n_ Com- Pearl- Wa~y :: com-- bean ~rass yard- mon wort bitter-pound g/a grass purs- creæfs ; No. gras lane ~ 50 -~-~ 0 - --o ~ _ ~ 5 - - 4 4 12.5 0 0 1 4 3 0 3 . ._. . . . .
; 2 25 0 0 3 5 5 5 5 12.5 0 0 2 5 5 5 ~ 5 , . . _ . _ 12.5 0 0 3 5 5 5 5 _ __ . ~ .. , 2.5 0 0 1 5 5 5 --5 ~35-:' a6~
.
Table 4. (cont'd) Test Dose Wheat Soy- Manna- Barn~ mon Pearl- Wavy pound g/a bean grass Ygarc~lds PUne~ wort bitter-. 50 O O 3 . ~ 5 3 5 12.5 O O 1 4 2 0~ 2 . ~ .
. 50 O O 4 5 5 5 5 12.5 O O 3 5 5 5 5
7 25 O O 3 5 5 5 5 12.5 O O 2 5 5 - 5 5 O ` O 3 5 5 2 3 ! 8 25 O O 1 4 4 1 2 12.5 O O O 3 3 - o 1 12.5 O O 4 5 5 5 5 12.5 O O 4 5 S 5 5 12.5 O O 3 5 5 5 5 12.5 O O 2 5 5 5 5 _ _ 12.5 O O 2 5 S 5 5 . ' .
- - ~
Table 4. (cont'd) _ .
Test Dose Wheat bean Manna- arn- purs- wort bitter-0 0 ~ 5 5 5 5 ` 14 25 0 0 3 5 5 5 5 ` 12.5 0 0 2 5 5 _ 5 5 12.5 0 0 2 5 5 S 5 . ~ _.
`~ 16 25 0 0 2 4 4 1 ~
12.5 0 0 1 4 4 0 3 ~' 12.5 0 _ 0 2 3 __3 _ 0 4 12.5 0 0 1 4 3 0 3 50 ` 0 3 -5 5 ~ 5 ~
.5 0 0 1 5 5 5 5 . .
12,5 0 0 3 S 5 5 S
12.5 0 0 0 5 5 5 5 _ .
12.5 0 0 0 4 4 0 3 . ~ , ' .
6~
. . , Table 4. (cont'd) ~omt Dose Wheat Soy- Manna- Barn- Com- Pearl- Wavy bean ~rass yard- wort bitter-pound g/a , grass lane~ cress ; 12.5O O 5 I~ 5 5 S
12.5O O 5 5 5 -5 S
2.5O O 5 S 5 5 5 . 50 O O 4 5 5 5 5 12.5O O 3 5 5 5 5 ` 27 25 O O 5 5 5 5 5 12.5O - o 5 5 5 5 5 _ 50 ~O O 3 5 4 2 5 12.5O O 1 _ 3 3 O 3 O O ~ 5 5 5 5-12.5O O 3 5 5 5 5 12.5O O 2 5 5 5 5 - o ; ~o 2 5 5 5 1 ~ 5--12.5 O O O 5 5 5 5 ''~ .
~ -38-.
r!~2 Table 4. (cont'd) :
Test Dose Wheat Soy- Manna- Barn- mon Pearl- Wavy .~ pOund g/a bean grass Ygrads PUane~ wort cbrets . .
32 25 O O 1 ~ 3 13 : 12.5 O O O ~ 2 O3 ,., 12.5 O O 4 5 S 55 _.
12.5 O O 3 5 5 S5 12.5 O O 3 5 5 55 12.5 O O 4 5 5 55 O O 5 5 ` 5 5 5 12.5 O O 2 4 4 31_ 5 50-`- O O 5 - S~ 5 55 :; 38 25 O O 5 5 S SS
` 12.5 O O 5 S 5 55 12.5 O O 5 5 5 55 12.5 O O 4 5 5 44 .
, . `
:
. Table 4. (cont'd) ...
: TcOes_ Dose Wheat Soy- Manna- Bc~rn- mon Pearl- Wavy ~ pound bean grass yard- purs- wort bltter-.~ No. g/a grass lane cress , 41 25 O O 5 5 5 5 5 ~ 12.5 O O 5 5 S 5 S
.. ,. _ 12.5 O O 4 5 5_5 I S
12.5 O ' O _ 5 5 5 S 5 12.5 O O 1 3 2 2 2 12.5 O O 3 4 4 3 -3 12.5 O O 1 2 2 3 2 j. _ 12.5 O O 4 4 5 4 4 . . .
48 25 O O 4 5 S 4 5 .
` 12.5 O O 3 3 4 3 3 .: , . .. ..
` 49 25 O O 4 4 5 4 4 - 12.5 O O 2 2 3 2 2 .'' _ ..
.: .
' . ' .
~~~
' .
. .
:
Table 4. tcont'd) Test Dose Wheat Soy- Manna- Barn- Com- Pearl- Wavy pound g/a bean graRs yard- lane wort bitter-. 50 O O 5 S 5 S S
`: 50 25 O O S 5 S 5 5 12.5 O O 4 4 4 3 4 _ Sl 25 O O 2 3 4 3 4 12.5 O O 1 2 3 ~ 4 . 50 O O 4 5 5 5 -5 12.5 O O 2 4 5 5 5 _ : 12.5 O O 2 4 S S 5 : 54 25 O O 2 3 S S S
. 12.5 O O 1 2 4 5 S
.~. 50 O O 5 5 5 O 5 12.5 I O I ~ ~ ~
, ..
':, .
;. -, . .
. - : . ' ! EXperiment 4, Foliar treatment -tests for upland weed control Wagner pots, each having the surface of 1/5000 are, were packed with Ube soil and seedlings of manna-gras~ at 3 lea~
stage, of cocklebur at 2 leaf stage, of white goose-foot at 2 leaf stage and of nutgrass at 3 lo~af ~tage were planted and grown.
~ heny a wettable powder of each test compound was dilu-ted with water containing 100 ppm of "Ne~esterin" (trade name of spreader available from Kumiai Kagaku E.K.) to-a concentration of the active ingredient of 1000 ppm and the result,ing preparation was uniformly applied to seedlings by foliar spraying under pres-; sure at a dose of 5 m~. per pot. Then, the pots were kept in a glass chamber at an average temperature of approximately 25 C.
After 2 weeks from the treatment, herbicidal effects ofeach test compound were investigated.
~ he results are summarized in ~able 5 wherein the same rati~g systems as in the Experiment 1 were applied.
~able 5.
Manna-gras~ Cockle- White ~utgrass compound _ bur goose-foot 1 ; 2 _ 3 7 ~ 4 ___ 9 5 _ ~ _ _ _ 5 ,~ - ~5-- - _ _ _ _ _ _ __ _ 3 6 ~ - 4 -~ ~. - 5 - - 3 ,, . . .
.
; -42-~;
- Table 5. (cont'd) ~r ~n;' Manna-grass Onamomi 'White Nutgragg 7 5~ ~ 5 - 3
- - ~
Table 4. (cont'd) _ .
Test Dose Wheat bean Manna- arn- purs- wort bitter-0 0 ~ 5 5 5 5 ` 14 25 0 0 3 5 5 5 5 ` 12.5 0 0 2 5 5 _ 5 5 12.5 0 0 2 5 5 S 5 . ~ _.
`~ 16 25 0 0 2 4 4 1 ~
12.5 0 0 1 4 4 0 3 ~' 12.5 0 _ 0 2 3 __3 _ 0 4 12.5 0 0 1 4 3 0 3 50 ` 0 3 -5 5 ~ 5 ~
.5 0 0 1 5 5 5 5 . .
12,5 0 0 3 S 5 5 S
12.5 0 0 0 5 5 5 5 _ .
12.5 0 0 0 4 4 0 3 . ~ , ' .
6~
. . , Table 4. (cont'd) ~omt Dose Wheat Soy- Manna- Barn- Com- Pearl- Wavy bean ~rass yard- wort bitter-pound g/a , grass lane~ cress ; 12.5O O 5 I~ 5 5 S
12.5O O 5 5 5 -5 S
2.5O O 5 S 5 5 5 . 50 O O 4 5 5 5 5 12.5O O 3 5 5 5 5 ` 27 25 O O 5 5 5 5 5 12.5O - o 5 5 5 5 5 _ 50 ~O O 3 5 4 2 5 12.5O O 1 _ 3 3 O 3 O O ~ 5 5 5 5-12.5O O 3 5 5 5 5 12.5O O 2 5 5 5 5 - o ; ~o 2 5 5 5 1 ~ 5--12.5 O O O 5 5 5 5 ''~ .
~ -38-.
r!~2 Table 4. (cont'd) :
Test Dose Wheat Soy- Manna- Barn- mon Pearl- Wavy .~ pOund g/a bean grass Ygrads PUane~ wort cbrets . .
32 25 O O 1 ~ 3 13 : 12.5 O O O ~ 2 O3 ,., 12.5 O O 4 5 S 55 _.
12.5 O O 3 5 5 S5 12.5 O O 3 5 5 55 12.5 O O 4 5 5 55 O O 5 5 ` 5 5 5 12.5 O O 2 4 4 31_ 5 50-`- O O 5 - S~ 5 55 :; 38 25 O O 5 5 S SS
` 12.5 O O 5 S 5 55 12.5 O O 5 5 5 55 12.5 O O 4 5 5 44 .
, . `
:
. Table 4. (cont'd) ...
: TcOes_ Dose Wheat Soy- Manna- Bc~rn- mon Pearl- Wavy ~ pound bean grass yard- purs- wort bltter-.~ No. g/a grass lane cress , 41 25 O O 5 5 5 5 5 ~ 12.5 O O 5 5 S 5 S
.. ,. _ 12.5 O O 4 5 5_5 I S
12.5 O ' O _ 5 5 5 S 5 12.5 O O 1 3 2 2 2 12.5 O O 3 4 4 3 -3 12.5 O O 1 2 2 3 2 j. _ 12.5 O O 4 4 5 4 4 . . .
48 25 O O 4 5 S 4 5 .
` 12.5 O O 3 3 4 3 3 .: , . .. ..
` 49 25 O O 4 4 5 4 4 - 12.5 O O 2 2 3 2 2 .'' _ ..
.: .
' . ' .
~~~
' .
. .
:
Table 4. tcont'd) Test Dose Wheat Soy- Manna- Barn- Com- Pearl- Wavy pound g/a bean graRs yard- lane wort bitter-. 50 O O 5 S 5 S S
`: 50 25 O O S 5 S 5 5 12.5 O O 4 4 4 3 4 _ Sl 25 O O 2 3 4 3 4 12.5 O O 1 2 3 ~ 4 . 50 O O 4 5 5 5 -5 12.5 O O 2 4 5 5 5 _ : 12.5 O O 2 4 S S 5 : 54 25 O O 2 3 S S S
. 12.5 O O 1 2 4 5 S
.~. 50 O O 5 5 5 O 5 12.5 I O I ~ ~ ~
, ..
':, .
;. -, . .
. - : . ' ! EXperiment 4, Foliar treatment -tests for upland weed control Wagner pots, each having the surface of 1/5000 are, were packed with Ube soil and seedlings of manna-gras~ at 3 lea~
stage, of cocklebur at 2 leaf stage, of white goose-foot at 2 leaf stage and of nutgrass at 3 lo~af ~tage were planted and grown.
~ heny a wettable powder of each test compound was dilu-ted with water containing 100 ppm of "Ne~esterin" (trade name of spreader available from Kumiai Kagaku E.K.) to-a concentration of the active ingredient of 1000 ppm and the result,ing preparation was uniformly applied to seedlings by foliar spraying under pres-; sure at a dose of 5 m~. per pot. Then, the pots were kept in a glass chamber at an average temperature of approximately 25 C.
After 2 weeks from the treatment, herbicidal effects ofeach test compound were investigated.
~ he results are summarized in ~able 5 wherein the same rati~g systems as in the Experiment 1 were applied.
~able 5.
Manna-gras~ Cockle- White ~utgrass compound _ bur goose-foot 1 ; 2 _ 3 7 ~ 4 ___ 9 5 _ ~ _ _ _ 5 ,~ - ~5-- - _ _ _ _ _ _ __ _ 3 6 ~ - 4 -~ ~. - 5 - - 3 ,, . . .
.
; -42-~;
- Table 5. (cont'd) ~r ~n;' Manna-grass Onamomi 'White Nutgragg 7 5~ ~ 5 - 3
8 2 3 3 2 -- 5 _ - 5 ` 11 5 . 5 - - 5 : 12 4 5 5 4 .. 15 4 . . 5 55 ~ 1 ., .
. 16 . 3 4 : 4 2 17 2 . 4 5 3 : 19 . 4 5 . 5 - 3 . 5 5 - 3 21 . 4 5 . 5 3 ~ 22 3 ~ .4 2 .: 23 5 5 5 S
24 5 . 5 5 . 25 . 5 5~ 5 ., . _ . . 28 2. . _ __. 4 2 : 29 _ 3 . - 5 _ 5 3 4 . 5 5 3 ':
.~
., .
: ' ', .
: - ' ~ ' : , $~
: T~bLe S. (cont'd) :` ~o ~ound Manna-grass Onamomi goose-foot Nutgrass `: ~2 - - 4 5 3 1- _ _ _ __ _ _ 5 6 5 L.~
.. ~7 = 3 ~ _ ~ _ ~ ~ =~
. 51 2 4 5 3 .. , _ ._ : . 52 5 5 5 5 . ~ - _ 4 4 . ` .' ~ .
4~
~rom the above-recited results, it can be seen that the diphenyl ether derivatives of thi~ invention can effectively control a wide of weeds by soil or foliar application without any phyto-toxicity to crops and thu~ are practically useful as an excellent herbicide.
. .
::
-~1-5-. . , :
.
. 16 . 3 4 : 4 2 17 2 . 4 5 3 : 19 . 4 5 . 5 - 3 . 5 5 - 3 21 . 4 5 . 5 3 ~ 22 3 ~ .4 2 .: 23 5 5 5 S
24 5 . 5 5 . 25 . 5 5~ 5 ., . _ . . 28 2. . _ __. 4 2 : 29 _ 3 . - 5 _ 5 3 4 . 5 5 3 ':
.~
., .
: ' ', .
: - ' ~ ' : , $~
: T~bLe S. (cont'd) :` ~o ~ound Manna-grass Onamomi goose-foot Nutgrass `: ~2 - - 4 5 3 1- _ _ _ __ _ _ 5 6 5 L.~
.. ~7 = 3 ~ _ ~ _ ~ ~ =~
. 51 2 4 5 3 .. , _ ._ : . 52 5 5 5 5 . ~ - _ 4 4 . ` .' ~ .
4~
~rom the above-recited results, it can be seen that the diphenyl ether derivatives of thi~ invention can effectively control a wide of weeds by soil or foliar application without any phyto-toxicity to crops and thu~ are practically useful as an excellent herbicide.
. .
::
-~1-5-. . , :
.
Claims (9)
1. A compound having the formula (I):
(I) wherein X is a halogen atom or a trifluoromethyl group, n is an integer of 1 to 3 inclusive and R is a hydrogen atom, a lower alkoxycarbonyl group, an acetyl group, a chloroacetyl group or an N,N-dimethylcarbamoyl group.
(I) wherein X is a halogen atom or a trifluoromethyl group, n is an integer of 1 to 3 inclusive and R is a hydrogen atom, a lower alkoxycarbonyl group, an acetyl group, a chloroacetyl group or an N,N-dimethylcarbamoyl group.
2. A compound according to claim 1 wherein Xn represents a 2,4-dichloro-, 2,4,6-trichloro-, 2,4-dichloro-6-fluoro-, 2-chloro-4-bromo- or 2-chloro-4-trifluoromethyl-substituent.
3. A compound according to claim 1 wherein R is a hydrogen atom, an alkoxycarbonyl group having 1 to 3 carbon atoms in the alkoxy moiety, an acetyl group, a chloroacetyl group or an N,N-dimethylcarbamoyl group.
4. A compound according to claim 1 wherein Xn represents 2,4,6-trichloro-, 2,4-dichloro-6-fluoro- or 2-chloro-4-trifluoromethyl- and wherein R is an acetyl group a methoxycarbonyl group or an N,N-dimethylcarbamoyl group.
5. A process for preparing a compound having the formula (I):
(I) wherein X is a halogen atom or a trifluoromethyl group n is an integer of 1 to 3 inclusive and R is a hydrogen atom, a lower alkoxycarbonyl group, an acetyl group, a chloroacetyl group or a N,N-dimethylcarbamoyl group, which comprises reacting a compound having the formula:
wherein X and n have the same meanings as defined above, with chlorine in an aqueous acetic acid to obtain a compound having the formula:
wherein X and n have the same meanings as defined above, reacting the thus obtained compound with an excess amount of ammonia to obtain a compound having the formula (Ia):
(Ia) wherein X and n have the same meanings as defined above, said compound of formula (Ia) being a compound of formula I wherein R is hydrogen and then if desired, treating the thus obtained compound of formula (Ia) with a compound having the formula:
R'-C1 wherein R' is a lower alkoxycarbonyl group, an acetyl group, a chloroacetyl group or an N,N-dimethylcarbamoyl group, in an organic solvent or an alkaline water in the presence of a base to obtain a compound of formula (I) as defined above wherein R is a lower alkoxycarbonyl group, an acetyl group, a chloro-acetyl group or an N,N-dimethylcarbamoyl group,
(I) wherein X is a halogen atom or a trifluoromethyl group n is an integer of 1 to 3 inclusive and R is a hydrogen atom, a lower alkoxycarbonyl group, an acetyl group, a chloroacetyl group or a N,N-dimethylcarbamoyl group, which comprises reacting a compound having the formula:
wherein X and n have the same meanings as defined above, with chlorine in an aqueous acetic acid to obtain a compound having the formula:
wherein X and n have the same meanings as defined above, reacting the thus obtained compound with an excess amount of ammonia to obtain a compound having the formula (Ia):
(Ia) wherein X and n have the same meanings as defined above, said compound of formula (Ia) being a compound of formula I wherein R is hydrogen and then if desired, treating the thus obtained compound of formula (Ia) with a compound having the formula:
R'-C1 wherein R' is a lower alkoxycarbonyl group, an acetyl group, a chloroacetyl group or an N,N-dimethylcarbamoyl group, in an organic solvent or an alkaline water in the presence of a base to obtain a compound of formula (I) as defined above wherein R is a lower alkoxycarbonyl group, an acetyl group, a chloro-acetyl group or an N,N-dimethylcarbamoyl group,
6. A process according to claim 5 wherein Xn represents a 2,4-dichloro-, 2,4-,6-trichloro, 2,4-dichloro-6-fluoro-, 2-chloro-4-bromo- or 2-chloro-4-trifluoromethyl-substituent.
7. A process according to claim 5 wherein R is a hydrogen atom, an alkoxycarbonyl group having 1 to 3 carbon atoms in the alkoxy moiety, an acetyl group, a chloroacetyl group or an N,N-dimethylcarbamoyl group.
8. A compound having the formula (I):
(I) wherein X is a halogen atom or a trifluoromethyl group, n is an integer of 1 to 3 inclusive and R is a hydrogen atom, a lower alkoxycarbonyl group, an acetyl group, a chloroacetyl group or an N,N-dimethylcarbamoyl group, and the alkali metal salts thereof.
(I) wherein X is a halogen atom or a trifluoromethyl group, n is an integer of 1 to 3 inclusive and R is a hydrogen atom, a lower alkoxycarbonyl group, an acetyl group, a chloroacetyl group or an N,N-dimethylcarbamoyl group, and the alkali metal salts thereof.
9. A compound of formula (I) according to claim 8 wherein it is in the form of an alkali metal salt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP89729/77 | 1977-07-28 | ||
JP52089729A JPS6054954B2 (en) | 1977-07-28 | 1977-07-28 | Diphenyl ether derivatives and herbicides containing diphenyl ether derivatives |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1111062A true CA1111062A (en) | 1981-10-20 |
Family
ID=13978837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA308,293A Expired CA1111062A (en) | 1977-07-28 | 1978-07-27 | Diphenyl ether derivatives, process for preparing the same and herbicidal compositions containing the same |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS6054954B2 (en) |
BR (1) | BR7804864A (en) |
CA (1) | CA1111062A (en) |
DE (1) | DE2833021A1 (en) |
FR (1) | FR2398728A1 (en) |
GB (1) | GB2001635B (en) |
IT (1) | IT1097782B (en) |
NL (1) | NL7807967A (en) |
SU (1) | SU843695A3 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3114072A1 (en) * | 1981-04-08 | 1982-11-04 | Basf Ag, 6700 Ludwigshafen | HERBICIDES DIPHENYL ETHER, THE PRODUCTION AND USE THEREOF AS HERBICIDES |
US4959501A (en) * | 1987-09-04 | 1990-09-25 | Ciba-Geigy Corporation | Process for the preparation of 2-(2-chloroethoxy)-benzenesulfonamide |
DE4015834A1 (en) * | 1990-05-17 | 1991-11-21 | Bayer Ag | New phenoxy:phenyl-sulphonyl cpds. - used as defoliant(s), desiccant(s) and weed-killer(s) |
DE4023040A1 (en) * | 1990-07-20 | 1992-01-23 | Bayer Ag | HERBICIDES BASED ON SULFONYLATED (THIO) CARBAMID ACID ESTERS, NEW SULFONYLATED CARBAMID ACID ESTERS AND METHOD FOR THE PRODUCTION THEREOF |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3776961A (en) * | 1971-12-23 | 1973-12-04 | Oil Corp | 3-substituted 4-nitrophenyl halophenyl ethers |
-
1977
- 1977-07-28 JP JP52089729A patent/JPS6054954B2/en not_active Expired
-
1978
- 1978-07-20 GB GB787830523A patent/GB2001635B/en not_active Expired
- 1978-07-27 IT IT26201/78A patent/IT1097782B/en active
- 1978-07-27 NL NL7807967A patent/NL7807967A/en not_active Application Discontinuation
- 1978-07-27 BR BR7804864A patent/BR7804864A/en unknown
- 1978-07-27 SU SU782646951A patent/SU843695A3/en active
- 1978-07-27 CA CA308,293A patent/CA1111062A/en not_active Expired
- 1978-07-27 DE DE19782833021 patent/DE2833021A1/en not_active Withdrawn
- 1978-07-28 FR FR7822495A patent/FR2398728A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
IT7826201A0 (en) | 1978-07-27 |
JPS6054954B2 (en) | 1985-12-03 |
GB2001635A (en) | 1979-02-07 |
SU843695A3 (en) | 1981-06-30 |
FR2398728B1 (en) | 1982-05-28 |
NL7807967A (en) | 1979-01-30 |
IT1097782B (en) | 1985-08-31 |
JPS5424851A (en) | 1979-02-24 |
BR7804864A (en) | 1979-04-24 |
GB2001635B (en) | 1982-01-27 |
FR2398728A1 (en) | 1979-02-23 |
DE2833021A1 (en) | 1979-02-08 |
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