ES385232A2 - PROCEDURE FOR THE PREPARATION OF BASIC AZOIC DYES. - Google Patents

PROCEDURE FOR THE PREPARATION OF BASIC AZOIC DYES.

Info

Publication number
ES385232A2
ES385232A2 ES385232A ES385232A ES385232A2 ES 385232 A2 ES385232 A2 ES 385232A2 ES 385232 A ES385232 A ES 385232A ES 385232 A ES385232 A ES 385232A ES 385232 A2 ES385232 A2 ES 385232A2
Authority
ES
Spain
Prior art keywords
formula
optionally substituted
aromatic
procedure
preparation
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
ES385232A
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.)
Sandoz AG
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
Priority claimed from CH1656169A external-priority patent/CH519008A/en
Application filed by Sandoz AG filed Critical Sandoz AG
Publication of ES385232A2 publication Critical patent/ES385232A2/en
Expired legal-status Critical Current

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  • Coloring (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Paper (AREA)

Abstract

Improvements introduced in the object of the main patent number 367,157, filed on May 13, 1969, by: Procedure for the preparation of basic azo dyes, free of acid-sulfonic groups of formula: **(See formula)** wherein D represents an aromatic-carbocyclic or aromatic-heterocyclic moiety, optionally substituted, R means a hydrogen atom or an organic moiety, R1 means hydrogen or a hydrocarbon moiety, optionally substituted, or a heterocyclic moiety, in optionally substituted, or an amino group, optionally substituted, A ⊖ an anion equivalent to the dye cation and Z means a component of a ring of aromatic character, characterized in that the diazo compound of an amine of formula: D - NH2 (XIV) is coupled with a coupling component of the formula: (see formula) (Machine-translation by Google Translate, not legally binding)
ES385232A 1969-11-07 1970-11-05 PROCEDURE FOR THE PREPARATION OF BASIC AZOIC DYES. Expired ES385232A2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH1656169A CH519008A (en) 1969-11-07 1969-11-07 Basic azo dyes contg no sulphonic acid gps
CH1904269 1969-12-23
CH1217570 1970-08-13

Publications (1)

Publication Number Publication Date
ES385232A2 true ES385232A2 (en) 1973-09-01

Family

ID=27176766

Family Applications (1)

Application Number Title Priority Date Filing Date
ES385232A Expired ES385232A2 (en) 1969-11-07 1970-11-05 PROCEDURE FOR THE PREPARATION OF BASIC AZOIC DYES.

Country Status (1)

Country Link
ES (1) ES385232A2 (en)

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19890303