ES441772A1 - Disazo dyes - Google Patents

Disazo dyes

Info

Publication number
ES441772A1
ES441772A1 ES441772A ES441772A ES441772A1 ES 441772 A1 ES441772 A1 ES 441772A1 ES 441772 A ES441772 A ES 441772A ES 441772 A ES441772 A ES 441772A ES 441772 A1 ES441772 A1 ES 441772A1
Authority
ES
Spain
Prior art keywords
formula
sulfonic acid
hydroxypyridone
aminopyrazole
pyrazolone
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
ES441772A
Other languages
Spanish (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.)
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
Publication of ES441772A1 publication Critical patent/ES441772A1/en
Expired 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
    • C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
    • C09B31/02—Disazo dyes
    • C09B31/025—Disazo dyes containing acid groups, e.g. -COOH, -SO3H, -PO3H2, -OSO3H, -OPO2H2; Salts thereof
    • 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
    • C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
    • C09B31/02—Disazo dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Cosmetics (AREA)

Abstract

Procedure for preparing water-soluble disazo dyes which, in the form of the free acid, have the general formula: ** (See formula) ** wherein E represents the residue of a coupling component of the phenol, naphthol, pyrazolone, hydroxypyridone, aminopyrazole, indole or acetyl acetarylamide series and ring B may optionally be substituted by sulfonic acid and/or hydroxyl groups; characterized in that it comprises diazotizing an aminophenol sulfonic acid of the formula: coupling the diazo compound with an aminonaphthalene of formula: ** (See formula) ** wherein ring B may optionally be substituted by sulfonic acid and/or hydroxyl groups and then diazotize the aminomonoazoic compound and couple with a coupling component of the phenol, naphthol, pyrazolone, hydroxypyridone, aminopyrazole, indole, or acetoacetarylamide series. (Machine-translation by Google Translate, not legally binding)
ES441772A 1974-10-14 1975-10-14 Disazo dyes Expired ES441772A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4440574A GB1489753A (en) 1974-10-14 1974-10-14 Disazo dyes

Publications (1)

Publication Number Publication Date
ES441772A1 true ES441772A1 (en) 1977-04-01

Family

ID=10433154

Family Applications (1)

Application Number Title Priority Date Filing Date
ES441772A Expired ES441772A1 (en) 1974-10-14 1975-10-14 Disazo dyes

Country Status (10)

Country Link
JP (1) JPS5164537A (en)
BE (1) BE834285A (en)
BR (1) BR7506676A (en)
CH (1) CH602884A5 (en)
DE (1) DE2545826A1 (en)
ES (1) ES441772A1 (en)
FR (1) FR2288131A1 (en)
GB (1) GB1489753A (en)
IT (1) IT1042991B (en)
NL (1) NL7512003A (en)

Also Published As

Publication number Publication date
IT1042991B (en) 1980-01-30
BR7506676A (en) 1976-08-31
GB1489753A (en) 1977-10-26
JPS5164537A (en) 1976-06-04
DE2545826A1 (en) 1976-04-22
NL7512003A (en) 1976-04-20
BE834285A (en) 1976-04-07
FR2288131A1 (en) 1976-05-14
CH602884A5 (en) 1978-08-15

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