IT955614B - AZO COMPOUNDS, THEIR PREPARATION AND THEIR USE - Google Patents

AZO COMPOUNDS, THEIR PREPARATION AND THEIR USE

Info

Publication number
IT955614B
IT955614B IT2449572A IT2449572A IT955614B IT 955614 B IT955614 B IT 955614B IT 2449572 A IT2449572 A IT 2449572A IT 2449572 A IT2449572 A IT 2449572A IT 955614 B IT955614 B IT 955614B
Authority
IT
Italy
Prior art keywords
preparation
azo compounds
azo
compounds
Prior art date
Application number
IT2449572A
Other languages
Italian (it)
Original Assignee
Sandoz 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 Sandoz Ag filed Critical Sandoz Ag
Application granted granted Critical
Publication of IT955614B publication Critical patent/IT955614B/en

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)
    • 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
    • C09B44/00—Azo dyes containing onium groups
    • C09B44/005—Special process features in the quaternization reaction

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Coloring (AREA)
  • Plural Heterocyclic Compounds (AREA)
IT2449572A 1971-05-18 1972-05-17 AZO COMPOUNDS, THEIR PREPARATION AND THEIR USE IT955614B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH727671A CH549630A (en) 1971-05-18 1971-05-18 PROCESS FOR PRODUCING AZO COMPOUNDS.

Publications (1)

Publication Number Publication Date
IT955614B true IT955614B (en) 1973-09-29

Family

ID=4322588

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2449572A IT955614B (en) 1971-05-18 1972-05-17 AZO COMPOUNDS, THEIR PREPARATION AND THEIR USE

Country Status (6)

Country Link
CA (1) CA970774A (en)
CH (1) CH549630A (en)
DE (1) DE2223451A1 (en)
FR (1) FR2137994A1 (en)
GB (1) GB1390444A (en)
IT (1) IT955614B (en)

Also Published As

Publication number Publication date
CH549630A (en) 1974-05-31
GB1390444A (en) 1975-04-09
DE2223451A1 (en) 1972-11-30
FR2137994A1 (en) 1972-12-29
CA970774A (en) 1975-07-08

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