GB330644A - Process for the manufacture of diaminoazo anthraquinones - Google Patents

Process for the manufacture of diaminoazo anthraquinones

Info

Publication number
GB330644A
GB330644A GB859329A GB859329A GB330644A GB 330644 A GB330644 A GB 330644A GB 859329 A GB859329 A GB 859329A GB 859329 A GB859329 A GB 859329A GB 330644 A GB330644 A GB 330644A
Authority
GB
United Kingdom
Prior art keywords
diaminoanthraquinone
diaminoazo
reduction
yields
acids
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
GB859329A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Priority to GB859329A priority Critical patent/GB330644A/en
Publication of GB330644A publication Critical patent/GB330644A/en
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
    • C09B56/00—Azo dyes containing other chromophoric systems
    • C09B56/12—Anthraquinone-azo dyes

Landscapes

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

Abstract

330,644. Carpmael, A., (I. G. Farbenindustrie Akt.-Ges.). March 16, 1929. Diaminoazoanthraquinones are made by subjecting 1 : 4-diaminoanthraquinone or a nuclear substitution product thereof to oxidation in solution or suspension in an organic acid. In an example, 4 : 4<1>-diamino-1 : 1<1>-azoanthraquinone is made by oxidizing 1 :4-diaminoanthraquinone in glacial acetic acid with chromic acid. A dibenzoyl derivative is obtained on benzoylation which on reduction yields 1-benzolyamino-4- aminoanthraquinone. The diaminoazo compound yields 1 : 4-diaminoanthraquinone on reduction. Other starting materials specified are 2-chloro-, 2- bromo-, and 5-nitro-1:4-diaminoanthraquinones, other acids are monochloroacetic and propionic acids, and other oxidizing agents are manganese dioxide and lead peroxide.
GB859329A 1929-03-16 1929-03-16 Process for the manufacture of diaminoazo anthraquinones Expired GB330644A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB859329A GB330644A (en) 1929-03-16 1929-03-16 Process for the manufacture of diaminoazo anthraquinones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB859329A GB330644A (en) 1929-03-16 1929-03-16 Process for the manufacture of diaminoazo anthraquinones

Publications (1)

Publication Number Publication Date
GB330644A true GB330644A (en) 1930-06-16

Family

ID=9855467

Family Applications (1)

Application Number Title Priority Date Filing Date
GB859329A Expired GB330644A (en) 1929-03-16 1929-03-16 Process for the manufacture of diaminoazo anthraquinones

Country Status (1)

Country Link
GB (1) GB330644A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010003969A2 (en) * 2008-07-07 2010-01-14 Universite Catholique De Louvain New azo dyes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010003969A2 (en) * 2008-07-07 2010-01-14 Universite Catholique De Louvain New azo dyes
WO2010003969A3 (en) * 2008-07-07 2010-06-24 Universite Catholique De Louvain New azo dyes

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