CH471782A - Verfahren zur Herstellung eines neuen, substituierten 2,3-Pyridindiols - Google Patents

Verfahren zur Herstellung eines neuen, substituierten 2,3-Pyridindiols

Info

Publication number
CH471782A
CH471782A CH1263766A CH1263766A CH471782A CH 471782 A CH471782 A CH 471782A CH 1263766 A CH1263766 A CH 1263766A CH 1263766 A CH1263766 A CH 1263766A CH 471782 A CH471782 A CH 471782A
Authority
CH
Switzerland
Prior art keywords
pyridinediol
substituted
preparation
new
Prior art date
Application number
CH1263766A
Other languages
English (en)
Inventor
Christensen Lei Jorg Christian
Clauson-Kaas Niels
Original Assignee
Geigy Ag J R
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 Geigy Ag J R filed Critical Geigy Ag J R
Priority to CH1263766A priority Critical patent/CH471782A/de
Priority to US663569A priority patent/US3471506A/en
Priority to GB39657/67A priority patent/GB1190228A/en
Priority to SE12019/67A priority patent/SE343301B/xx
Priority to DE19671695035 priority patent/DE1695035C3/de
Priority to DK436567AA priority patent/DK116736B/da
Publication of CH471782A publication Critical patent/CH471782A/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/34—Monoazo dyes prepared by diazotising and coupling from other coupling components
    • C09B29/36—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds
    • C09B29/3604—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom
    • C09B29/3617—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a six-membered heterocyclic with only one nitrogen as heteroatom
    • C09B29/3621—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a six-membered heterocyclic with only one nitrogen as heteroatom from a pyridine ring
    • C09B29/3626—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a six-membered heterocyclic with only one nitrogen as heteroatom from a pyridine ring from a pyridine ring containing one or more hydroxyl groups (or = O)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)
CH1263766A 1966-08-31 1966-08-31 Verfahren zur Herstellung eines neuen, substituierten 2,3-Pyridindiols CH471782A (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH1263766A CH471782A (de) 1966-08-31 1966-08-31 Verfahren zur Herstellung eines neuen, substituierten 2,3-Pyridindiols
US663569A US3471506A (en) 1966-08-31 1967-08-28 Process for preparing 5-chloro-2,3-pyridine diol
GB39657/67A GB1190228A (en) 1966-08-31 1967-08-30 5-Chloro-2,3-Pyridine Diol and a Process for its Production
SE12019/67A SE343301B (sv) 1966-08-31 1967-08-30 Foerfarande foer framstaellning av 5-klor-2,3-pyridindiol
DE19671695035 DE1695035C3 (de) 1966-08-31 1967-08-30 Verfahren zur Herstellung von 5-Chlor-2,3-pyridindiol
DK436567AA DK116736B (da) 1966-08-31 1967-08-30 Fremgangsmåde til fremstilling af 5-chlor-2,3-pyridindiol.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1263766A CH471782A (de) 1966-08-31 1966-08-31 Verfahren zur Herstellung eines neuen, substituierten 2,3-Pyridindiols

Publications (1)

Publication Number Publication Date
CH471782A true CH471782A (de) 1969-04-30

Family

ID=4384966

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1263766A CH471782A (de) 1966-08-31 1966-08-31 Verfahren zur Herstellung eines neuen, substituierten 2,3-Pyridindiols

Country Status (5)

Country Link
US (1) US3471506A (de)
CH (1) CH471782A (de)
DK (1) DK116736B (de)
GB (1) GB1190228A (de)
SE (1) SE343301B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH561757A5 (de) * 1970-04-23 1975-05-15 Ciba Geigy Ag
US4065254A (en) * 1972-06-26 1977-12-27 Ciba-Geigy Corporation Process for dyeing and printing
DE3148651A1 (de) * 1981-12-09 1983-07-21 Henkel Kgaa "haarfaerbemittel, enthaltend 5-halo-2,3-pyridindiole als kupplerkomponente"
CN101830845A (zh) * 2010-05-28 2010-09-15 南京大唐医药科技有限公司 5-氯-2,3-二羟基吡啶的合成方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2583425A (en) * 1949-12-17 1952-01-22 Standard Oil Dev Co Fungicidal compositions containing chlorinated isophorone

Also Published As

Publication number Publication date
SE343301B (sv) 1972-03-06
DE1695035B2 (de) 1975-10-23
US3471506A (en) 1969-10-07
GB1190228A (en) 1970-04-29
DE1695035A1 (de) 1971-04-08
DK116736B (da) 1970-02-09

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Legal Events

Date Code Title Description
PL Patent ceased