GB2009208A - Azo Compounds - Google Patents

Azo Compounds

Info

Publication number
GB2009208A
GB2009208A GB7840809A GB7840809A GB2009208A GB 2009208 A GB2009208 A GB 2009208A GB 7840809 A GB7840809 A GB 7840809A GB 7840809 A GB7840809 A GB 7840809A GB 2009208 A GB2009208 A GB 2009208A
Authority
GB
United Kingdom
Prior art keywords
aromatic amine
residue
optionally substituted
azo compounds
pyridinium group
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.)
Withdrawn
Application number
GB7840809A
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB7840809A priority Critical patent/GB2009208A/en
Publication of GB2009208A publication Critical patent/GB2009208A/en
Withdrawn legal-status Critical Current

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
    • C09B44/00—Azo dyes containing onium groups
    • C09B44/02—Azo dyes containing onium groups containing ammonium groups not directly attached to an azo group
    • C09B44/04—Azo dyes containing onium groups containing ammonium groups not directly attached to an azo group from coupling components containing amino as the only directing group
    • 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
    • C09B41/00—Special methods of performing the coupling reaction
    • C09B41/006—Special methods of performing the coupling reaction characterised by process features
    • C09B41/009—Diazotising and coupling in one step

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Coloring (AREA)

Abstract

A process for the manufacture of azo dyestuffs of the formula: A-N=N-E<+> X<(-)> wherein A is the residue of a carbocyclic aromatic amine, E is the residue of a p-coupling aromatic amine having a pendant optionally substituted cationic pyridinium group and X is an anion which comprises mixing together and reacting in aqueous acidic medium a carbocyclic aromatic amine ANH2, a p-coupling aromatic amine having a pendant optionally substituted cationic pyridinium group and a diazotising agent.
GB7840809A 1977-11-28 1978-10-17 Azo Compounds Withdrawn GB2009208A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7840809A GB2009208A (en) 1977-11-28 1978-10-17 Azo Compounds

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4935077 1977-11-28
GB7840809A GB2009208A (en) 1977-11-28 1978-10-17 Azo Compounds

Publications (1)

Publication Number Publication Date
GB2009208A true GB2009208A (en) 1979-06-13

Family

ID=26266462

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7840809A Withdrawn GB2009208A (en) 1977-11-28 1978-10-17 Azo Compounds

Country Status (1)

Country Link
GB (1) GB2009208A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0046237A1 (en) * 1980-08-16 1982-02-24 Bayer Ag Process for the manufacture of solutions of cationic azo dyestuffs
EP0056578A2 (en) * 1981-01-16 1982-07-28 Bayer Ag Process for the manufacture of cationic azodye solutions

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0046237A1 (en) * 1980-08-16 1982-02-24 Bayer Ag Process for the manufacture of solutions of cationic azo dyestuffs
EP0056578A2 (en) * 1981-01-16 1982-07-28 Bayer Ag Process for the manufacture of cationic azodye solutions
EP0056578A3 (en) * 1981-01-16 1982-08-25 Bayer Ag Process for the manufacture of cationic azodye solutions

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)