ES409395A1 - Procedure for the preparation of azoic colorants of difficult solubility in water. (Machine-translation by Google Translate, not legally binding) - Google Patents

Procedure for the preparation of azoic colorants of difficult solubility in water. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES409395A1
ES409395A1 ES409395A ES409395A ES409395A1 ES 409395 A1 ES409395 A1 ES 409395A1 ES 409395 A ES409395 A ES 409395A ES 409395 A ES409395 A ES 409395A ES 409395 A1 ES409395 A1 ES 409395A1
Authority
ES
Spain
Prior art keywords
formula
water
translation
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
ES409395A
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.)
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
Priority claimed from CH1792971A external-priority patent/CH562856A5/xx
Application filed by Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of ES409395A1 publication Critical patent/ES409395A1/en
Expired legal-status Critical Current

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  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Procedure for the preparation of azo dyes of difficult solubility in water, and devoid of water-solubilizing groups that dissociate acid in water, of the formula **(See formula)** in which A stands for a diazo component of the aromatic or heterocyclic series; Y means a hydrogen atom or an organic radical Z stands for hydrogen or an organic radical, and for the symbols R1 and R2 one symbol R signifies hydrogen and the other signifies an organic radical, characterized by coupling the diazonic compound of an amine of formula II A-NH2 in which A has the same meaning that has been attributed to it in formula (I), with a coupling component of the formula (III) **(See formula)** in which R1, R2, Y and Z have the same meaning as previously attributed to them in formula (I), to form an azo compound of formula (I). (Machine-translation by Google Translate, not legally binding)
ES409395A 1971-12-09 1972-12-07 Procedure for the preparation of azoic colorants of difficult solubility in water. (Machine-translation by Google Translate, not legally binding) Expired ES409395A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1792971A CH562856A5 (en) 1971-12-09 1971-12-09
CH1510872 1972-10-16

Publications (1)

Publication Number Publication Date
ES409395A1 true ES409395A1 (en) 1976-04-16

Family

ID=25715749

Family Applications (1)

Application Number Title Priority Date Filing Date
ES409395A Expired ES409395A1 (en) 1971-12-09 1972-12-07 Procedure for the preparation of azoic colorants of difficult solubility in water. (Machine-translation by Google Translate, not legally binding)

Country Status (1)

Country Link
ES (1) ES409395A1 (en)

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