GB251293A - Manufacture of indigoid dyestuffs containing sulphur - Google Patents

Manufacture of indigoid dyestuffs containing sulphur

Info

Publication number
GB251293A
GB251293A GB10780/26A GB1078026A GB251293A GB 251293 A GB251293 A GB 251293A GB 10780/26 A GB10780/26 A GB 10780/26A GB 1078026 A GB1078026 A GB 1078026A GB 251293 A GB251293 A GB 251293A
Authority
GB
United Kingdom
Prior art keywords
manufacture
containing sulphur
dyestuffs containing
acetyloxythionaphthene
anil
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
GB10780/26A
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.)
Hoechst AG
Original Assignee
Hoechst 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 Hoechst AG filed Critical Hoechst AG
Publication of GB251293A publication Critical patent/GB251293A/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
    • C09B7/00—Indigoid dyes
    • C09B7/10—Bis-thionapthene indigos

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Coloring (AREA)

Abstract

251,293. Farbwerke vorm. Meister, Lucius, & Br³ning. April 9, 1924, [Convention date]. Thioindigoid dyes are obtained by condensing, in the presence or absence of a diluent, an acylated oxythionaphthene with an alpha-anil of a 2 : 3-diketodihydrothionaphthene. According to examples, 3-acetyloxythionaphthene and 5: 6- benzo-3-acetyloxythionaphthene are condensed with 5-chlor-7-methyl-2 : 3-diketodihydro-2-(p-dimethylamino)-anil; the products dye cotton from the vat in bluish-red and violet shades respectively.
GB10780/26A 1924-04-09 1925-04-07 Manufacture of indigoid dyestuffs containing sulphur Expired GB251293A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE251293X 1924-04-09

Publications (1)

Publication Number Publication Date
GB251293A true GB251293A (en) 1926-06-24

Family

ID=5942267

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10780/26A Expired GB251293A (en) 1924-04-09 1925-04-07 Manufacture of indigoid dyestuffs containing sulphur

Country Status (1)

Country Link
GB (1) GB251293A (en)

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