GB1418556A - Tosylated triazo dyestuffs - Google Patents

Tosylated triazo dyestuffs

Info

Publication number
GB1418556A
GB1418556A GB3405273A GB3405273A GB1418556A GB 1418556 A GB1418556 A GB 1418556A GB 3405273 A GB3405273 A GB 3405273A GB 3405273 A GB3405273 A GB 3405273A GB 1418556 A GB1418556 A GB 1418556A
Authority
GB
United Kingdom
Prior art keywords
groups
group
tosylated
july
dyestuffs
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
GB3405273A
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.)
Novartis AG
Original Assignee
Ciba Geigy 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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of GB1418556A publication Critical patent/GB1418556A/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
    • C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
    • C09B33/18—Trisazo or higher polyazo dyes
    • 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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/38—Trisazo dyes ot the type

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1418556 Tosylated trisazo dyestuffs CIBAGEIGY AG 17 July 1973 [19 July 1972] 34052/73 Heading C4P A dye has the general formula wherein A is an opt. further sub. aminohydroxynaphthalene, diaminonaphthalene, dihydroxynaphthalene, aminohydroxyphenylene, diaminophenylene, or dihydroxyphenylene group, each of B and C, which may be the same or different, is an aromatic carbocyclic or heterocyclic radical, and one of the groups V is a hydrogen atom and the other is a sulphonic acid group, the groups R 1 and R 2 optionally containing further substituents and at least one of the groups B or C containing a group of the formula wherein X is H or methyl and Y is an -NH- or an -O- bridge. The dyes are prepared by successive coupling reactions, followed by tosylation of an amino or hydroxy group. They may be used to produce dark to black shades in deep dye leather, especially suede leather.
GB3405273A 1972-07-19 1973-07-17 Tosylated triazo dyestuffs Expired GB1418556A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1081572A CH581681A5 (en) 1972-07-19 1972-07-19

Publications (1)

Publication Number Publication Date
GB1418556A true GB1418556A (en) 1975-12-24

Family

ID=4367144

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3405273A Expired GB1418556A (en) 1972-07-19 1973-07-17 Tosylated triazo dyestuffs

Country Status (4)

Country Link
JP (1) JPS4945125A (en)
CH (1) CH581681A5 (en)
DE (1) DE2336393A1 (en)
GB (1) GB1418556A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4986425A (en) * 1972-12-23 1974-08-19
DE2541007A1 (en) * 1975-09-13 1977-03-17 Cassella Farbwerke Mainkur Ag HYDRO-SOLUBLE TRISAZO DYES, THEIR PRODUCTION AND USE
DE2553261C2 (en) * 1975-11-27 1983-01-27 Cassella Ag, 6000 Frankfurt Water-soluble trisazo dyes, their preparation and use

Also Published As

Publication number Publication date
DE2336393A1 (en) 1974-02-07
CH581681A5 (en) 1976-11-15
JPS4945125A (en) 1974-04-30

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee