GB789120A - Vat dyestuffs of the anthraquinone series - Google Patents

Vat dyestuffs of the anthraquinone series

Info

Publication number
GB789120A
GB789120A GB2556156A GB2556156A GB789120A GB 789120 A GB789120 A GB 789120A GB 2556156 A GB2556156 A GB 2556156A GB 2556156 A GB2556156 A GB 2556156A GB 789120 A GB789120 A GB 789120A
Authority
GB
United Kingdom
Prior art keywords
anthraquinone
amino
naphthoylamino
acylation
bromo
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
GB2556156A
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.)
Cassella Farbwerke Mainkur AG
Original Assignee
Cassella Farbwerke Mainkur 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 Cassella Farbwerke Mainkur AG filed Critical Cassella Farbwerke Mainkur AG
Publication of GB789120A publication Critical patent/GB789120A/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
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/16—Amino-anthraquinones
    • C09B1/20—Preparation from starting materials already containing the anthracene nucleus
    • C09B1/36—Dyes with acylated amino groups
    • C09B1/42—Dyes with acylated amino groups the acyl groups being residues of an aromatic carboxylic acid

Landscapes

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

Abstract

The invention comprises vat dyes of the formula <FORM:0789120/IV (b)/1> where X is chlorine or bromine, which dye vegetable fibres red shades. They are made by appropriate acylation of 1-amine-4-(b -naphthoylamino)-anthraquinone, or of 1-(m-chloro- or bromo - benzoylamino) - 4 - amino-anthra - quinone, or from 1,4-diamino-anthraquinone to its leuco body by successive acylation advantageously in an organic base as solvent. In an example, 1-amino-4-b -naphthoylamino-anthraquinone is reacted with m-bromo- or m-chlorobenzoyl chloride in monochlorbenzene. 1 - Amino - 4 - (b - naphthoylamino) - anthraquinone is obtained by acylation of 1-chloro-4-amino-anthraquinone with b -naphthoyl chloride, reaction with p-toluenesulphonamide, and hydrolysis.
GB2556156A 1955-08-30 1956-08-21 Vat dyestuffs of the anthraquinone series Expired GB789120A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEC11768A DE1035289B (en) 1955-08-30 1955-08-30 Process for the production of Kuepen dyes

Publications (1)

Publication Number Publication Date
GB789120A true GB789120A (en) 1958-01-15

Family

ID=7015063

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2556156A Expired GB789120A (en) 1955-08-30 1956-08-21 Vat dyestuffs of the anthraquinone series

Country Status (4)

Country Link
CH (1) CH349725A (en)
DE (1) DE1035289B (en)
FR (1) FR1159751A (en)
GB (1) GB789120A (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH257947A (en) * 1944-08-03 1948-10-31 Ciba Geigy Process for the production of a vat dye.

Also Published As

Publication number Publication date
FR1159751A (en) 1958-07-02
DE1035289B (en) 1958-07-31
CH349725A (en) 1960-10-31

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