ES8304549A1 - Un procedimiento de preparacion de compuestos de piridiloxifenol. - Google Patents

Un procedimiento de preparacion de compuestos de piridiloxifenol.

Info

Publication number
ES8304549A1
ES8304549A1 ES512668A ES512668A ES8304549A1 ES 8304549 A1 ES8304549 A1 ES 8304549A1 ES 512668 A ES512668 A ES 512668A ES 512668 A ES512668 A ES 512668A ES 8304549 A1 ES8304549 A1 ES 8304549A1
Authority
ES
Spain
Prior art keywords
making
pyridyloxyphenol
compounds
pyridyloxyphenol compounds
halopyridine
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
Application number
ES512668A
Other languages
English (en)
Other versions
ES512668A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Chemical Co
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 ES512668A0 publication Critical patent/ES512668A0/es
Publication of ES8304549A1 publication Critical patent/ES8304549A1/es
Expired legal-status Critical Current

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
    • C07D213/643—2-Phenoxypyridines; Derivatives thereof
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE COMPUESTOS DE PIRIDILOXIFENOL, DE FORMULA (I), EN LA QUE X ES CLORO O TRIFLUORMETILO; Y ES HIDROGENO O CLORO; Y Z ES HIDROGENO, SODIO O POTASIO. CONSISTE EN DISOLVER HIDROQUINONA EN UN DISOLVENTE APROTICO POLAR; CALENTAR A VACIO, A UNA TEMPERATURA ENTRE 25 C Y 150 C; AÑADIR UNA DISOLUCION ACUOSA DE HIDROXIDO SODICO O POTASICO SUFICIENTE PARA NEUTRALIZAR EL 75-100% DE LA HIDROQUINONA, SIN DEJAR DE CALENTAR; INTERRUMPIR EL VACIO INTRODUCIENDO GAS INERTE SECO, ENFRIAR Y AÑADIR UNA 2-HALOPIRIDINA DE FORMULA (II), EN LA QUE X E Y TIENEN EL MISMO SIGNIFICADO QUE EN LA FORMULA (I), Y W ES UN HALOGENO.
ES512668A 1981-06-01 1982-05-28 Un procedimiento de preparacion de compuestos de piridiloxifenol. Expired ES8304549A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26930081A 1981-06-01 1981-06-01

Publications (2)

Publication Number Publication Date
ES512668A0 ES512668A0 (es) 1983-03-01
ES8304549A1 true ES8304549A1 (es) 1983-03-01

Family

ID=23026669

Family Applications (1)

Application Number Title Priority Date Filing Date
ES512668A Expired ES8304549A1 (es) 1981-06-01 1982-05-28 Un procedimiento de preparacion de compuestos de piridiloxifenol.

Country Status (12)

Country Link
EP (1) EP0066827B1 (es)
JP (1) JPS58962A (es)
KR (1) KR880002231B1 (es)
AU (1) AU547854B2 (es)
BR (1) BR8203180A (es)
CA (1) CA1144171A (es)
DE (1) DE3273891D1 (es)
DK (1) DK153475C (es)
ES (1) ES8304549A1 (es)
IL (1) IL65708A (es)
NZ (1) NZ200611A (es)
ZA (1) ZA823295B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL71668A (en) * 1983-05-13 1988-07-31 Dow Chemical Co Method of preparing esters of aryloxyphenoxy propanoic acid
US5068336A (en) * 1989-02-27 1991-11-26 Tosoh Corporation Process for producing 2-(4'-hydroxphenoxy)-3-chloro-5-trifluoromethylpyridine

Family Cites Families (6)

* 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
US4275212A (en) * 1977-08-15 1981-06-23 The Dow Chemical Company Method of preparing pyridinyloxyphenols and derivatives
US4214086A (en) * 1977-11-04 1980-07-22 Ciba-Geigy Corporation Process for producing hydroxydiaryl ethers
DE3062601D1 (en) * 1979-06-20 1983-05-11 Ici Plc Pyridine derivatives, processes for preparing them, herbicidal compositions containing them and methods of killing plants therewith
JPS5659728A (en) * 1979-10-23 1981-05-23 Ihara Chem Ind Co Ltd Preparation of substituted phenol
US4266063A (en) * 1979-12-17 1981-05-05 E. I. Du Pont De Nemours And Company Process for preparing substituted pyridinyloxy ether intermediate

Also Published As

Publication number Publication date
EP0066827B1 (en) 1986-10-22
KR840000499A (ko) 1984-02-22
DE3273891D1 (en) 1986-11-27
NZ200611A (en) 1985-02-28
ZA823295B (en) 1984-01-25
AU547854B2 (en) 1985-11-07
JPH0314021B2 (es) 1991-02-25
BR8203180A (pt) 1983-05-17
IL65708A0 (en) 1982-08-31
AU8349682A (en) 1982-12-09
ES512668A0 (es) 1983-03-01
DK234782A (da) 1982-12-02
KR880002231B1 (ko) 1988-10-20
DK153475C (da) 1988-11-28
EP0066827A1 (en) 1982-12-15
JPS58962A (ja) 1983-01-06
CA1144171A (en) 1983-04-05
IL65708A (en) 1986-01-31
DK153475B (da) 1988-07-18

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971001