GB416245A - Manufacture of 1:4-diaminoanthraquinones - Google Patents

Manufacture of 1:4-diaminoanthraquinones

Info

Publication number
GB416245A
GB416245A GB1683/34A GB168334A GB416245A GB 416245 A GB416245 A GB 416245A GB 1683/34 A GB1683/34 A GB 1683/34A GB 168334 A GB168334 A GB 168334A GB 416245 A GB416245 A GB 416245A
Authority
GB
United Kingdom
Prior art keywords
diaminoanthraquinone
substituted
amino
diamino
dihydro
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
GB1683/34A
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.)
BASF Schweiz AG
Original Assignee
Gesellschaft fuer Chemische Industrie in Basel CIBA
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 Gesellschaft fuer Chemische Industrie in Basel CIBA filed Critical Gesellschaft fuer Chemische Industrie in Basel CIBA
Publication of GB416245A publication Critical patent/GB416245A/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
    • C09B1/00Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/16Amino-anthraquinones
    • C09B1/20Preparation from starting materials already containing the anthracene nucleus
    • C09B1/22Dyes with unsubstituted amino groups

Landscapes

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

Abstract

1 : 4-Diaminoanthraquinones are obtained by causing a 9 : 10-anthraquinone-1 : 4-quinone, diimine, or imino-quinone which may be substituted in the non-quinonoid nucleus by halogen, hydroxyl, amino, alkyl, alkylamino, arylamino, alkoxy-, or sulphonic groups, to react in or without a solvent, with a 2 : 3-dihydro-1 : 4-diaminoanthraquinone which may be further substituted by halogen, hydroxyl, amino, alkylamino, arylamino, alkoxy, nitro or sulphonic groups. The product, according to the components selected, is an individual 1 : 4-diaminoanthraquinone or a mixture of a 1 : 4-diaminoanthraquinone with a 1 : 4-dioxy-, 1 : 4-amino-oxy, or another 1 : 4-diaminoanthraquinone, mutual oxidation and reduction having taken place between the two reactants. According to examples, dihydro-1 : 4-diaminoanthraquinone reacts in sulphuric acid solution at 90 DEG C. with 9 : 10-anthraquinone, 1 : 4-quinoneimine and 1 : 4-diiminoanthraquinone to give a mixture of 1 : 4-diaminoanthraquinone and 1 : 4-diamino-oxyanthraquinone, and pure 1 : 4-diaminoanthraquinone respectively. 2 : 3 - Dihydro - 1 : 4 - diaminoanthraquinones substituted by the above-mentioned groups are obtained by treating the corresponding 1 : 4-dioxyanthraquinones with aqueous ammonia under pressure, or by reducing the corresponding 1 : 4-diamino-2-sulphonic acid at high temperatures with alkali and alkali hydrosulphite. 1 : 4 : 9 : 10-Anthradiquinones substituted or not as described above are obtained by oxidizing the corresponding 1 : 4-dioxyanthraquinones with manganese dioxide and sulphuric acid. 1 : 4-Diiminoanthraquinones and 1 : 4-quinoneiminoanthraquinones substituted or not are obtained by oxidizing the corresponding 1 : 4-diamino and 1 : 4-amino-oxyanthraquinones with manganese dioxide and sulphuric acid.
GB1683/34A 1933-01-18 1934-01-17 Manufacture of 1:4-diaminoanthraquinones Expired GB416245A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH416245X 1933-01-18

Publications (1)

Publication Number Publication Date
GB416245A true GB416245A (en) 1934-09-13

Family

ID=4514584

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1683/34A Expired GB416245A (en) 1933-01-18 1934-01-17 Manufacture of 1:4-diaminoanthraquinones

Country Status (2)

Country Link
FR (1) FR766858A (en)
GB (1) GB416245A (en)

Also Published As

Publication number Publication date
FR766858A (en) 1934-07-05

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