NO912792D0 - Fremgangsmaate ved fremstilling av 2-hydroksy-3-halogen-5-nitropyridiner. - Google Patents

Fremgangsmaate ved fremstilling av 2-hydroksy-3-halogen-5-nitropyridiner.

Info

Publication number
NO912792D0
NO912792D0 NO912792A NO912792A NO912792D0 NO 912792 D0 NO912792 D0 NO 912792D0 NO 912792 A NO912792 A NO 912792A NO 912792 A NO912792 A NO 912792A NO 912792 D0 NO912792 D0 NO 912792D0
Authority
NO
Norway
Prior art keywords
nitropyridines
hydroxy
halogen
procedure
preparation
Prior art date
Application number
NO912792A
Other languages
English (en)
Other versions
NO174960C (no
NO912792L (no
NO174960B (no
Inventor
Detlev Worsch
Original Assignee
Lonza Ag
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 Lonza Ag filed Critical Lonza Ag
Publication of NO912792D0 publication Critical patent/NO912792D0/no
Publication of NO912792L publication Critical patent/NO912792L/no
Publication of NO174960B publication Critical patent/NO174960B/no
Publication of NO174960C publication Critical patent/NO174960C/no

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)
NO912792A 1990-07-17 1991-07-16 Fremgangsmåte ved fremstilling av 2-hydroksy-3-halogen-5-nitropyridiner NO174960C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH237390 1990-07-17

Publications (4)

Publication Number Publication Date
NO912792D0 true NO912792D0 (no) 1991-07-16
NO912792L NO912792L (no) 1992-01-20
NO174960B NO174960B (no) 1994-05-02
NO174960C NO174960C (no) 1994-08-10

Family

ID=4232257

Family Applications (1)

Application Number Title Priority Date Filing Date
NO912792A NO174960C (no) 1990-07-17 1991-07-16 Fremgangsmåte ved fremstilling av 2-hydroksy-3-halogen-5-nitropyridiner

Country Status (6)

Country Link
US (1) US5144038A (no)
EP (1) EP0467308A3 (no)
JP (1) JPH04234364A (no)
CA (1) CA2046676A1 (no)
FI (1) FI913414A (no)
NO (1) NO174960C (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4343922A1 (de) * 1993-12-22 1995-06-29 Basf Ag Pyridin-2,3-dicarbonsäureimide, Verfahren zu ihrer Herstellung und ihre Verwendung zur Bekämpfung unerwünschten Pflanzenwuchses

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3495969A (en) * 1967-09-25 1970-02-17 Mobil Oil Corp Substituted nitropyridines as herbicides
US4004012A (en) * 1975-10-14 1977-01-18 Sterling Drug Inc. 3-Cyano-5-(pyridinyl)-2(1H)-pyridinones
CH663957A5 (de) * 1985-06-25 1988-01-29 Lonza Ag Verfahren zur herstellung von 3,5-dichlor-2-pyridon.
CH664754A5 (en) * 1985-06-25 1988-03-31 Lonza Ag 5,6-di:chloro-nicotinic acid prodn. - by reacting 6-hydroxy-nicotinic acid with acid chloride, reacting prod. with chlorine, then with acid chloride and hydrolysing prod
DE3545570A1 (de) * 1985-12-21 1987-06-25 Hoechst Ag Neue pyridin-derivate und deren n-oxide, verfahren zu ihrer herstellung und ihre verwendung als zwischenprodukte

Also Published As

Publication number Publication date
US5144038A (en) 1992-09-01
NO174960C (no) 1994-08-10
FI913414A0 (fi) 1991-07-15
EP0467308A3 (en) 1992-05-20
JPH04234364A (ja) 1992-08-24
NO912792L (no) 1992-01-20
CA2046676A1 (en) 1992-01-18
NO174960B (no) 1994-05-02
EP0467308A2 (de) 1992-01-22
FI913414A (fi) 1992-01-18

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