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ES453692A1 - Procedimiento para la destruccion selectiva de productos de la p-copulacion de la serie 1-nafteno. - Google Patents

Procedimiento para la destruccion selectiva de productos de la p-copulacion de la serie 1-nafteno.

Info

Publication number
ES453692A1
ES453692A1 ES453692A ES453692A ES453692A1 ES 453692 A1 ES453692 A1 ES 453692A1 ES 453692 A ES453692 A ES 453692A ES 453692 A ES453692 A ES 453692A ES 453692 A1 ES453692 A1 ES 453692A1
Authority
ES
Spain
Prior art keywords
reduction
coupled products
selective destruction
naphthol series
coupled
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
ES453692A
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.)
Bayer AG
Original Assignee
Bayer 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 DE19752553443 external-priority patent/DE2553443C2/de
Priority claimed from DE19762644433 external-priority patent/DE2644433A1/de
Application filed by Bayer AG filed Critical Bayer AG
Publication of ES453692A1 publication Critical patent/ES453692A1/es
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
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • C09B43/08—Preparation of azo dyes from other azo compounds by reduction
    • 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
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/10—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group
    • C09B29/103—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group of the naphthalene series
    • 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
    • C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
    • C09B31/02—Disazo dyes
    • C09B31/08—Disazo dyes from a coupling component "C" containing directive hydroxyl and amino groups
    • 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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/08—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl
    • C09B35/10—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling components of the same type
    • C09B35/16—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling components of the same type from hydroxy-amines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

Procedimiento para la destrucción selectiva de productos de la p-copulación de la serie 1-nafteno en presencia de productos de o-copulación, caracterizado porque los productos de p-copulación se destruyen reductivamente con hidracina, en caso dado en presencia de catalizadores Redox, o con sales del ácido ditiónico o del ácido hidroximetansulfínico.
ES453692A 1975-11-28 1976-11-26 Procedimiento para la destruccion selectiva de productos de la p-copulacion de la serie 1-nafteno. Expired ES453692A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19752553443 DE2553443C2 (de) 1975-11-28 1975-11-28 Verfahren zur selektiven, reduktiven Zerstörung von p-Azokupplungsprodukten der 1-Naphtholreihe
DE19762644433 DE2644433A1 (de) 1976-10-01 1976-10-01 Verfahren zur selektiven, reduktiven zerstoerung von p-kupplungsprodukten der 1-naphtholreihe

Publications (1)

Publication Number Publication Date
ES453692A1 true ES453692A1 (es) 1978-03-16

Family

ID=25769660

Family Applications (1)

Application Number Title Priority Date Filing Date
ES453692A Expired ES453692A1 (es) 1975-11-28 1976-11-26 Procedimiento para la destruccion selectiva de productos de la p-copulacion de la serie 1-nafteno.

Country Status (7)

Country Link
US (1) US4101542A (es)
JP (1) JPS5266533A (es)
BR (1) BR7607896A (es)
CH (1) CH620466A5 (es)
ES (1) ES453692A1 (es)
FR (1) FR2336453A1 (es)
GB (1) GB1514670A (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2656781C2 (de) * 1976-12-15 1985-02-21 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung aminogruppenhaltiger Azometallkomplexfarbstoffe

Also Published As

Publication number Publication date
US4101542A (en) 1978-07-18
FR2336453B1 (es) 1981-01-09
CH620466A5 (es) 1980-11-28
BR7607896A (pt) 1977-11-08
GB1514670A (en) 1978-06-21
JPS5266533A (en) 1977-06-02
FR2336453A1 (fr) 1977-07-22

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