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CH549625A - METHOD OF PURIFYING 1-AMINO-1-BROMANTHRACHINONE-2-SULPHONIC ACID. - Google Patents

METHOD OF PURIFYING 1-AMINO-1-BROMANTHRACHINONE-2-SULPHONIC ACID.

Info

Publication number
CH549625A
CH549625A CH403871A CH403871A CH549625A CH 549625 A CH549625 A CH 549625A CH 403871 A CH403871 A CH 403871A CH 403871 A CH403871 A CH 403871A CH 549625 A CH549625 A CH 549625A
Authority
CH
Switzerland
Prior art keywords
bromanthrachinone
purifying
amino
sulphonic acid
sulphonic
Prior art date
Application number
CH403871A
Other languages
German (de)
Original Assignee
Sandoz 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 Sandoz Ag filed Critical Sandoz Ag
Priority to CH403871A priority Critical patent/CH549625A/en
Priority to DE19722205300 priority patent/DE2205300A1/en
Publication of CH549625A publication Critical patent/CH549625A/en

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
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/16—Amino-anthraquinones
    • C09B1/20—Preparation from starting materials already containing the anthracene nucleus
    • C09B1/22—Dyes with unsubstituted amino groups
    • C09B1/24—Dyes with unsubstituted amino groups sulfonated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH403871A 1971-03-18 1971-03-18 METHOD OF PURIFYING 1-AMINO-1-BROMANTHRACHINONE-2-SULPHONIC ACID. CH549625A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH403871A CH549625A (en) 1971-03-18 1971-03-18 METHOD OF PURIFYING 1-AMINO-1-BROMANTHRACHINONE-2-SULPHONIC ACID.
DE19722205300 DE2205300A1 (en) 1971-03-18 1972-02-04 Extraction of 1-amino-4-bromoanthraquinone sulphonic acid - prepd by bromination of 1-amino-2-anthraquinone sulphonic acid, using org

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH403871A CH549625A (en) 1971-03-18 1971-03-18 METHOD OF PURIFYING 1-AMINO-1-BROMANTHRACHINONE-2-SULPHONIC ACID.

Publications (1)

Publication Number Publication Date
CH549625A true CH549625A (en) 1974-05-31

Family

ID=4268647

Family Applications (1)

Application Number Title Priority Date Filing Date
CH403871A CH549625A (en) 1971-03-18 1971-03-18 METHOD OF PURIFYING 1-AMINO-1-BROMANTHRACHINONE-2-SULPHONIC ACID.

Country Status (2)

Country Link
CH (1) CH549625A (en)
DE (1) DE2205300A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0132689A1 (en) * 1983-07-22 1985-02-13 Bayer Ag Process for the preparation of 1-amino-4-bromo-anthraquinone-2-sulfonic acid

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5530510B2 (en) * 1972-11-30 1980-08-11
DE3718314A1 (en) * 1987-06-01 1988-12-22 Basf Ag METHOD FOR ISOLATING AROMATIC SULPHONIC ACIDS FROM AQUEOUS SOLUTION OR SUSPENSION

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0132689A1 (en) * 1983-07-22 1985-02-13 Bayer Ag Process for the preparation of 1-amino-4-bromo-anthraquinone-2-sulfonic acid

Also Published As

Publication number Publication date
DE2205300A1 (en) 1972-09-21

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Legal Events

Date Code Title Description
PL Patent ceased