GB1459725A - Process for the production of azo compounds - Google Patents

Process for the production of azo compounds

Info

Publication number
GB1459725A
GB1459725A GB972375A GB972375A GB1459725A GB 1459725 A GB1459725 A GB 1459725A GB 972375 A GB972375 A GB 972375A GB 972375 A GB972375 A GB 972375A GB 1459725 A GB1459725 A GB 1459725A
Authority
GB
United Kingdom
Prior art keywords
coupling
gps
free
march
salt
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
GB972375A
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.)
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 CH329774A external-priority patent/CH579616A5/de
Priority claimed from CH329674A external-priority patent/CH580140A5/de
Application filed by Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of GB1459725A publication Critical patent/GB1459725A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B31/00Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
    • C09B31/02Disazo dyes
    • C09B31/04Disazo dyes from a coupling component "C" containing a directive amino group
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B29/00Monoazo dyes prepared by diazotising and coupling
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B41/00Special methods of performing the coupling reaction
    • C09B41/006Special methods of performing the coupling reaction characterised by process features
    • C09B41/009Diazotising and coupling in one step

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Plural Heterocyclic Compounds (AREA)
GB972375A 1974-03-08 1975-03-07 Process for the production of azo compounds Expired GB1459725A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH329774A CH579616A5 (en) 1974-03-08 1974-03-08 One-stage process for prepn of azo cpds - by addn of nitrite ester to soln contg diazo and coupling components
CH329874 1974-03-08
CH329674A CH580140A5 (en) 1974-03-08 1974-03-08 One-stage process for prepn of azo cpds - by addn of nitrite ester to soln contg diazo and coupling components

Publications (1)

Publication Number Publication Date
GB1459725A true GB1459725A (en) 1976-12-31

Family

ID=27174257

Family Applications (1)

Application Number Title Priority Date Filing Date
GB972375A Expired GB1459725A (en) 1974-03-08 1975-03-07 Process for the production of azo compounds

Country Status (7)

Country Link
JP (1) JPS50122526A (https=)
AR (1) AR206142A1 (https=)
DE (1) DE2509560A1 (https=)
ES (1) ES435386A1 (https=)
FR (1) FR2263232B1 (https=)
GB (1) GB1459725A (https=)
NL (1) NL7502772A (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2603836C3 (de) 1976-02-02 1980-09-04 Cassella Ag, 6000 Frankfurt Verfahren zur Herstellung von Azofarbstoffen
DE2733112A1 (de) * 1977-07-22 1979-02-08 Agfa Gevaert Ag Fotografisches farbdiffusionsuebertragungsverfahren
DE3009266A1 (de) * 1980-03-11 1981-09-17 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von azofarbstoffen
US5676708A (en) * 1996-02-20 1997-10-14 United Color, Inc. Non-mutagenic dye
CN116178205B (zh) * 2021-11-29 2024-11-12 万华化学集团股份有限公司 一种丙烯腈改性偶氮类二胺扩链剂及其制备方法

Also Published As

Publication number Publication date
DE2509560A1 (de) 1975-09-11
ES435386A1 (es) 1977-04-01
AR206142A1 (es) 1976-06-30
FR2263232B1 (https=) 1978-02-24
JPS50122526A (https=) 1975-09-26
NL7502772A (nl) 1975-09-10
FR2263232A1 (https=) 1975-10-03

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee