GB500026A - The manufacture of condensation products of the diphenylamine series - Google Patents

The manufacture of condensation products of the diphenylamine series

Info

Publication number
GB500026A
GB500026A GB22386/38A GB2238638A GB500026A GB 500026 A GB500026 A GB 500026A GB 22386/38 A GB22386/38 A GB 22386/38A GB 2238638 A GB2238638 A GB 2238638A GB 500026 A GB500026 A GB 500026A
Authority
GB
United Kingdom
Prior art keywords
nitrobenzene
diphenylamine
methylsulphoxide
halogen
sulphoxides
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
GB22386/38A
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
Publication of GB500026A publication Critical patent/GB500026A/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
    • C09B51/00—Nitro or nitroso dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)

Abstract

500,026. Diphenylamine derivatives; dyes; dyeing cellulose eaters. I. G. FARBENINDUSTRIE AKT.-GES. July 27, 1938, No. 22386. Convention date, July 27, 1937. Addition to 467,549. [Classes 2 (iii) and 15 (ii)] 1-Halogen-2-nitrobenzene-4-alkyl sulphoxides are condensed with primary amines of the benzene series, whereby diphenylamine derivatives useful for colouring lacquers or dyeing acetate silk in bright yellow to yellow-orange shades are obtained. In the examples, 1-chloro- 2-nitrobenzene-4-methylsulphoxide condensed with p-toluidine or aniline give respectively 4<1> - methyl- 2 - nitro - diphenylamine - 4 - methylsulphoxide or 2-nitro-diphenylamine-4-methylsulphoxide. Other specified reagents are 1-chloro-2-nitrobenzene-4-ethyl and -4-propyl sulphoxides. 1-Halogen-2-nitrobenzene-4-alkylsulphoxides are obtainable by oxidizing the corresponding phalogen-benzene-thioethers with hydrogen peroxide and nitrating at about 20-30‹ C. the p - halogen - benzene - alkyl - sulphoxides thus obtained.
GB22386/38A 1937-07-27 1938-07-27 The manufacture of condensation products of the diphenylamine series Expired GB500026A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE500026X 1937-07-27

Publications (1)

Publication Number Publication Date
GB500026A true GB500026A (en) 1939-02-01

Family

ID=6545554

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22386/38A Expired GB500026A (en) 1937-07-27 1938-07-27 The manufacture of condensation products of the diphenylamine series

Country Status (1)

Country Link
GB (1) GB500026A (en)

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