KE3734A - Pyridyl(oxy/thio)phenoxy compounds herbicidal compositions and methods - Google Patents

Pyridyl(oxy/thio)phenoxy compounds herbicidal compositions and methods

Info

Publication number
KE3734A
KE3734A KE3734A KE373487A KE3734A KE 3734 A KE3734 A KE 3734A KE 3734 A KE3734 A KE 3734A KE 373487 A KE373487 A KE 373487A KE 3734 A KE3734 A KE 3734A
Authority
KE
Kenya
Prior art keywords
thio
pyridyl
oxy
methods
herbicidal compositions
Prior art date
Application number
KE3734A
Other languages
English (en)
Inventor
Johnston Howard
Heitz Troxell Lillian
Original Assignee
Dow Chemical Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Publication of KE3734A publication Critical patent/KE3734A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/62—Oxygen or sulfur atoms
    • C07D213/63—One oxygen atom
    • C07D213/64—One oxygen atom attached in position 2 or 6
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/62—Oxygen or sulfur atoms
    • C07D213/63—One oxygen atom
    • C07D213/64—One oxygen atom attached in position 2 or 6
    • C07D213/643—2-Phenoxypyridines; Derivatives 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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/61—Halogen atoms or nitro radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/62—Oxygen or sulfur atoms
    • C07D213/70—Sulfur atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D213/79—Acids; Esters
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D213/84—Nitriles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Agronomy & Crop Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Pyridine Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Hydrogenated Pyridines (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
KE3734A 1982-06-18 1987-05-29 Pyridyl(oxy/thio)phenoxy compounds herbicidal compositions and methods KE3734A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US38984082A 1982-06-18 1982-06-18

Publications (1)

Publication Number Publication Date
KE3734A true KE3734A (en) 1987-06-19

Family

ID=23539946

Family Applications (1)

Application Number Title Priority Date Filing Date
KE3734A KE3734A (en) 1982-06-18 1987-05-29 Pyridyl(oxy/thio)phenoxy compounds herbicidal compositions and methods

Country Status (19)

Country Link
EP (1) EP0097460B1 (enExample)
JP (4) JPS597165A (enExample)
KR (1) KR900005134B1 (enExample)
AT (1) ATE33387T1 (enExample)
AU (1) AU556172B2 (enExample)
BR (1) BR8303329A (enExample)
CA (1) CA1179350A (enExample)
DE (1) DE3376211D1 (enExample)
DK (1) DK157015C (enExample)
EG (1) EG17924A (enExample)
ES (3) ES8500236A1 (enExample)
GB (1) GB2123819B (enExample)
GR (1) GR79319B (enExample)
IL (1) IL68822A (enExample)
KE (1) KE3734A (enExample)
MY (1) MY8700280A (enExample)
NZ (1) NZ204629A (enExample)
PH (1) PH21942A (enExample)
ZA (1) ZA834462B (enExample)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4505743A (en) * 1981-12-31 1985-03-19 Ciba-Geigy Corporation α-[4-(3-Fluoro-5'-halopyridyl-2'-oxy)-phenoxy]-propionic acid derivatives having herbicidal activity
US4480102A (en) * 1982-07-23 1984-10-30 The Dow Chemical Company 2,3-Difluoro-5-(trifluoromethyl)pyridine and methods of making and using the same
ES535014A0 (es) * 1983-08-11 1985-08-01 Monsanto Co Un procedimiento para preparar derivados de piridina sustituidos en las posiciones 2 y 6
EP0305593A3 (de) * 1983-12-06 1989-10-11 Ciba-Geigy Ag Neue Zwischenprodukte für 2-Pyridinyloxyphenoxypropionsäure-cyanamide
CA1292746C (en) * 1983-12-23 1991-12-03 Charles A. Wilson Preparation of difluoropyridine compounds
EP0178260B1 (de) * 1984-10-10 1990-05-16 Ciba-Geigy Ag Verfahren zur Herstellung von fluorierten Pyridin-Derivaten
US4563530A (en) * 1984-10-29 1986-01-07 The Dow Chemical Company Preparation of fluoropyridines
DD281379A5 (de) 1985-02-14 1990-08-08 Ciba Geigy Ag,Ch Verfahren zur herstellung von neuen chinolinderivaten
EP0191736B1 (de) * 1985-02-14 1991-07-17 Ciba-Geigy Ag Verwendung von Chinolinderivaten zum Schützen von Kulturpflanzen
DE3678485D1 (de) * 1985-04-01 1991-05-08 Ciba Geigy Ag 3-fluorpyridyl-2-oxy-phenoxy-derivate mit herbizider wirkung.
US4897481A (en) * 1988-05-31 1990-01-30 The Dow Chemical Company Process for the minimization of racemization in the preparation of optically active ((aryloxy)phenoxy)propionate herbicides
IL91083A (en) * 1988-07-25 1993-04-04 Ciba Geigy Cyclohexanedione derivatives, their preparation and their use as herbicides
US5650517A (en) * 1994-11-01 1997-07-22 Ciba-Geigy Corporation Process for the preparation of 2,3-difluoro-5-halopyridines
BR0117362B1 (pt) * 2000-08-25 2013-08-27 processo para a preparação de um composto derivado de 2-piridilmetilamina de fórmula geral (v)
CA2472806A1 (en) 2004-05-18 2005-11-18 Petro-Canada Compositions and methods for treating turf insect pests and diseases such as fungal infestations
PE20060115A1 (es) 2004-07-23 2006-03-23 Basf Ag 2-(piridin-2-il)-pirimidinas como agentes fungicidas
JP4719523B2 (ja) * 2005-07-06 2011-07-06 ユニオンマシナリ株式会社 電池ホルダ
US9357768B2 (en) 2006-10-05 2016-06-07 Suncor Energy Inc. Herbicidal composition with increased herbicidal efficacy
US8569210B2 (en) 2008-06-26 2013-10-29 Suncor Energy Inc. Turfgrass fungicide formulation with pigment
EP2613635B1 (en) 2010-09-09 2016-04-06 Suncor Energy Inc. Synergistic paraffinic oil and boscalid fungicides
KR20140031966A (ko) 2011-06-03 2014-03-13 선코 에너지 인코포레이티드 진균성 병원균에 의한 작물의 감염을 방제하기 위한 파라핀계 수-중-유 에멀젼
JP2015522554A (ja) 2012-06-04 2015-08-06 サンコー・エナジー・インコーポレーテッド パラフィン油及び沈降防止剤を含む製剤
CN106349159B (zh) * 2016-08-29 2019-03-22 山东省联合农药工业有限公司 一种3-氯-2-氰基-5-三氟甲基吡啶的制备方法
AU2020211650B2 (en) 2019-01-25 2025-01-30 Nutrien Ag Solutions (Canada) Inc. Photosensitizer compounds, methods of manufacture and application to plants
JP7588289B2 (ja) 2019-02-15 2024-11-22 ニュートリエン・エージー・ソリューションズ・(カナダ)・インコーポレイテッド 植物の健康を増進するプロトポルフィリンix誘導体及びその使用
CN112390748B (zh) * 2020-11-03 2022-04-26 内蒙古佳瑞米精细化工有限公司 一种2-氰基-3-氟-5-三氟甲基吡啶的制备方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK154074C (da) * 1974-10-17 1989-02-27 Ishihara Sangyo Kaisha Alfa-(4-(5 eller 3,5 substitueret pyridyl-2-oxy)-phenoxy)-alkan-carboxylsyrer eller derivater deraf til anvendelse som herbicider, herbicidt middel samt fremgangsmaader til bekaempelse af ukrudt
JPS54119476A (en) * 1978-03-10 1979-09-17 Ishihara Sangyo Kaisha Ltd 4-(5-fluoromethyl-2-pyridyloxy)phenoxyalkanecarbocyic acid derivatives and their preparation
CA1247625A (en) * 1977-07-22 1988-12-28 Howard Johnston Trifluoromethyl pyridinyloxyphenoxy propanoic acids and propanols and derivatives thereof and methods of herbicidal use
EP0107866B1 (en) * 1977-08-12 1988-03-30 Imperial Chemical Industries Plc Trihalomethylpyridine compounds
JPS5461183A (en) * 1977-10-21 1979-05-17 Ishihara Sangyo Kaisha Ltd 2-substituted-5-trifluoromethyl pyridine compounds
FR2412532A1 (fr) * 1977-12-23 1979-07-20 Ciba Geigy Ag Nouveaux derives d'acide pyridyloxyphenoxypropionique ayant une action herbicide et phytoregulatrice
JPS5492970A (en) * 1977-12-29 1979-07-23 Ciba Geigy Ag Pyridyloxyyphenoxyypropionic acid derivative* its manufacture and herbicide or plant growth regulating composition
DE2960106D1 (en) * 1978-01-27 1981-02-26 Ciba Geigy Ag Aminoalkyl esters of pyridyloxy-phenoxy-alpha-propionic acids with herbicidal activity, their preparation, compositions containing them and their application
DE2967674D1 (en) * 1978-02-15 1988-03-10 Ici Plc Herbicidal derivatives of 2-(4(2-pyridyloxy)phenoxy)propane, processes for preparing them, and herbicidal compositions containing them
JPS55111467A (en) * 1979-02-22 1980-08-28 Ishihara Sangyo Kaisha Ltd 44*55trifluoromethylpyridinn22yloxy**halogenophenoxy alkane carboxylic acid derivative and herbicide comprising it
JPS55120565A (en) * 1979-03-08 1980-09-17 Ishihara Sangyo Kaisha Ltd 2-(halogen substituted phenoxy)-5-trifluoromethylpyridine
GB2051778A (en) * 1979-07-05 1981-01-21 Ici Ltd Process for the preparation of certain pyridine derivatives having herbicidal properties
JPS56118066A (en) * 1980-02-21 1981-09-16 Ishihara Sangyo Kaisha Ltd 2-cyano-3-halogeno-5-trifluoromethylpyridine and its preparation
JPS56118065A (en) * 1980-02-21 1981-09-16 Ishihara Sangyo Kaisha Ltd 5-trifluoromethylpyridine-2-carboxylic acid, its salt, and their preparation
IL63944A (en) * 1980-10-14 1985-02-28 Zoecon Corp Substituted phenoxy aliphatic compounds and weed control compositions containing the same
PH17279A (en) * 1980-10-15 1984-07-06 Ciba Geigy Novel alpha-(pyridyl-2-oxy-phenoxy)-propionic acid derivatives and their use as herbicides and/or regulators of plant growth
US4505743A (en) * 1981-12-31 1985-03-19 Ciba-Geigy Corporation α-[4-(3-Fluoro-5'-halopyridyl-2'-oxy)-phenoxy]-propionic acid derivatives having herbicidal activity

Also Published As

Publication number Publication date
DK157015B (da) 1989-10-30
NZ204629A (en) 1986-10-08
PH21942A (en) 1988-04-15
GR79319B (enExample) 1984-10-22
AU556172B2 (en) 1986-10-23
BR8303329A (pt) 1984-02-07
GB2123819B (en) 1986-04-16
KR840005098A (ko) 1984-11-03
EP0097460A1 (en) 1984-01-04
DK281183D0 (da) 1983-06-17
AU1533483A (en) 1983-12-15
JPS62142157A (ja) 1987-06-25
GB8315847D0 (en) 1983-07-13
EG17924A (en) 1991-08-30
DK157015C (da) 1990-03-26
ES8504716A1 (es) 1985-05-01
JPS62142156A (ja) 1987-06-25
EP0097460B1 (en) 1988-04-06
DE3376211D1 (en) 1988-05-11
ES8505346A1 (es) 1985-05-16
GB2123819A (en) 1984-02-08
DK281183A (da) 1983-12-19
CA1179350A (en) 1984-12-11
MY8700280A (en) 1987-12-31
JPS62142154A (ja) 1987-06-25
ES523398A0 (es) 1984-10-01
ZA834462B (en) 1985-02-27
ES530712A0 (es) 1985-05-16
KR900005134B1 (ko) 1990-07-20
ATE33387T1 (de) 1988-04-15
ES8500236A1 (es) 1984-10-01
ES530713A0 (es) 1985-05-01
JPS597165A (ja) 1984-01-14
IL68822A (en) 1990-07-12
JPS6249269B2 (enExample) 1987-10-19

Similar Documents

Publication Publication Date Title
AU556172B2 (en) Pyridyl (oxy/thio) phenoxy compounds
ES455076A1 (es) Procedimiento para la preparacion de derivados de acido car-boxilico utiles como herbicidas.
IE811093L (en) Triazoles.
ES476134A1 (es) Procedimiento para la obtencion de 2-cloro-5-triclorometilpiridinas sustituidas.
AU1980283A (en) Process for 2-(halo,hydroxy)-5-methyl pyridine and intermediates
ES453463A1 (es) Procedimiento para la preparacion de nuevos derivados de acido 4-fenoxi-alfa-fenoxi alcancarboxilico de accion herbi-cida.
IL83195A (en) Herbicidal method and herbicidal composition comprising the use of diflufenican,particularly for controlling the growth of the weeds stellaria media and galium aparine
GR80885B (en) Fluorophenoxy compounds, herbicidal compositions and methods
ES8303277A1 (es) Un procedimiento para preparar esteres de acidos insaturados
GB2091103A (en) Method for selectively controlling grassy weeds in rice
ES8300707A1 (es) Procedimiento para preparar derivados del acido nicotinico.
DE3362348D1 (en) Pyridine derivatives, their preparation and their application
DE3877217D1 (de) Herbizide organo-phosphor-verbindungen.