ES336019A1 - Procedure for the preparation of dioxacinic dyes. (Machine-translation by Google Translate, not legally binding) - Google Patents

Procedure for the preparation of dioxacinic dyes. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES336019A1
ES336019A1 ES336019A ES336019A ES336019A1 ES 336019 A1 ES336019 A1 ES 336019A1 ES 336019 A ES336019 A ES 336019A ES 336019 A ES336019 A ES 336019A ES 336019 A1 ES336019 A1 ES 336019A1
Authority
ES
Spain
Prior art keywords
dyes
translation
procedure
preparation
machine
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
ES336019A
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
BASF Schweiz AG
Original Assignee
Ciba Geigy AG
Ciba 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 CH94066A external-priority patent/CH481980A/en
Application filed by Ciba Geigy AG, Ciba AG filed Critical Ciba Geigy AG
Publication of ES336019A1 publication Critical patent/ES336019A1/en
Expired legal-status Critical Current

Links

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  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)

Abstract

Procedure for the preparation of dioxacin dyes of the formula ** (See formula) ** in which Λ means an o-arylenic radical; R1 signifies a heterocyclic radical; Y R2 means a heterocyclic radical or an aryl radical, characterized by subjecting a 3,6-bis- (aroylamino) -1,4-benzoquinone of the formula ** (See formula) ** in which R1 and R2 have the meaning stated above, while A1 means an aryl radical which, in the ortho position relative to the imino group, preferably has an ether group, to a ring closure operation, which leads to dioxakines. (Machine-translation by Google Translate, not legally binding)
ES336019A 1966-01-25 1967-01-24 Procedure for the preparation of dioxacinic dyes. (Machine-translation by Google Translate, not legally binding) Expired ES336019A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH94066A CH481980A (en) 1966-01-25 1966-01-25 Process for the production of new dioxazine dyes
CH1782566 1966-12-13

Publications (1)

Publication Number Publication Date
ES336019A1 true ES336019A1 (en) 1968-04-01

Family

ID=25686175

Family Applications (1)

Application Number Title Priority Date Filing Date
ES336019A Expired ES336019A1 (en) 1966-01-25 1967-01-24 Procedure for the preparation of dioxacinic dyes. (Machine-translation by Google Translate, not legally binding)

Country Status (1)

Country Link
ES (1) ES336019A1 (en)

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