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ES474615A1 - Procedimiento para la obtencion de un producto de condensa- cion de fenotizina y pnitrosofenol - Google Patents

Procedimiento para la obtencion de un producto de condensa- cion de fenotizina y pnitrosofenol

Info

Publication number
ES474615A1
ES474615A1 ES474615A ES474615A ES474615A1 ES 474615 A1 ES474615 A1 ES 474615A1 ES 474615 A ES474615 A ES 474615A ES 474615 A ES474615 A ES 474615A ES 474615 A1 ES474615 A1 ES 474615A1
Authority
ES
Spain
Prior art keywords
condensation product
producing
sulfur dyes
phenothiazine
nitrosophenol
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
ES474615A
Other languages
English (en)
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.)
Sanofi Aventis Deutschland GmbH
Cassella Farbwerke Mainkur AG
Original Assignee
Cassella AG
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 AG, Cassella Farbwerke Mainkur AG filed Critical Cassella AG
Publication of ES474615A1 publication Critical patent/ES474615A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D279/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one sulfur atom as the only ring hetero atoms
    • C07D279/10—1,4-Thiazines; Hydrogenated 1,4-thiazines
    • C07D279/14—1,4-Thiazines; Hydrogenated 1,4-thiazines condensed with carbocyclic rings or ring systems
    • C07D279/18—[b, e]-condensed with two six-membered rings
    • C07D279/34—[b, e]-condensed with two six-membered rings with hetero atoms directly attached to the ring sulfur atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D279/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one sulfur atom as the only ring hetero atoms
    • C07D279/10—1,4-Thiazines; Hydrogenated 1,4-thiazines
    • C07D279/14—1,4-Thiazines; Hydrogenated 1,4-thiazines condensed with carbocyclic rings or ring systems
    • C07D279/18—[b, e]-condensed with two six-membered rings
    • C07D279/20—[b, e]-condensed with two six-membered rings with hydrogen atoms directly attached to the ring nitrogen atom
    • 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
    • C09B49/00—Sulfur dyes
    • C09B49/10—Sulfur dyes from diphenylamines, indamines, or indophenols, e.g. p-aminophenols or leucoindophenols

Landscapes

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

Abstract

Procedimiento para la obtención de un producto de condensación de fenotiazina y p-nitrosofenol, que contiene el indofenol-S-óxido de fórmula I **(Fórmula)** por reacción de fenotiazina con p-nitrosofenol en ácido sulfúrico, caracterizado porque la fenotiazina antes o durante la reacción se oxida con un agente de oxidación adicional.
ES474615A 1977-10-29 1978-10-27 Procedimiento para la obtencion de un producto de condensa- cion de fenotizina y pnitrosofenol Expired ES474615A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2748744A DE2748744C3 (de) 1977-10-29 1977-10-29 Kondensationsprodukt aus Phenothiazin und p-Nitrosophenol, Verfahren zu seiner Herstellung und seine Verwendung zur Herstellung grüner Schwefelfarbstoffe

Publications (1)

Publication Number Publication Date
ES474615A1 true ES474615A1 (es) 1979-03-16

Family

ID=6022689

Family Applications (1)

Application Number Title Priority Date Filing Date
ES474615A Expired ES474615A1 (es) 1977-10-29 1978-10-27 Procedimiento para la obtencion de un producto de condensa- cion de fenotizina y pnitrosofenol

Country Status (7)

Country Link
US (1) US4218219A (es)
EP (1) EP0001801B1 (es)
JP (1) JPS5471115A (es)
BR (1) BR7807100A (es)
DE (2) DE2748744C3 (es)
ES (1) ES474615A1 (es)
IT (1) IT1121504B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2908486A1 (de) * 1979-03-05 1980-09-11 Cassella Ag Verfahren zur herstellung eines kondensationsprodukts aus phenothiazin und p-nitrosophenol
US4917706B2 (en) * 1988-02-01 1996-02-20 Sandoz Ltd Liquid compositions of prereduced sulfur dyes and production thereof
DE4136939A1 (de) * 1990-11-22 1992-05-27 Sandoz Ag Verfahren zur reinigung von kupfer-enthaltenden industrieabwassern
US5631371A (en) * 1995-11-22 1997-05-20 Bayer Corporation Method for the preparation of substituted 3-(phenylimino)-3H-phenothiazines and phenoxazines

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US966092A (en) * 1910-03-04 1910-08-02 Cassella Color Company Indophenolic compound and process of making same.
US1128370A (en) * 1913-04-24 1915-02-16 Hoechst Ag Indophenolsulfonic acids and process of making same.
US1867863A (en) * 1927-02-14 1932-07-19 Gen Aniline Works Inc Indophenol azine compounds

Also Published As

Publication number Publication date
DE2748744C3 (de) 1981-10-01
DE2748744A1 (de) 1979-05-10
DE2860346D1 (en) 1981-02-12
EP0001801A1 (de) 1979-05-16
DE2748744B2 (de) 1980-09-25
IT1121504B (it) 1986-04-02
JPS5471115A (en) 1979-06-07
EP0001801B1 (de) 1980-11-26
US4218219A (en) 1980-08-19
BR7807100A (pt) 1979-05-15
IT7829209A0 (it) 1978-10-27

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19990405