GB764633A - Anthraquinone dyestuff - Google Patents

Anthraquinone dyestuff

Info

Publication number
GB764633A
GB764633A GB2677/55A GB267755A GB764633A GB 764633 A GB764633 A GB 764633A GB 2677/55 A GB2677/55 A GB 2677/55A GB 267755 A GB267755 A GB 267755A GB 764633 A GB764633 A GB 764633A
Authority
GB
United Kingdom
Prior art keywords
cyclohexylamine
benzyl
group
leucoquinizarin
anthraquinone dyestuff
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
GB2677/55A
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Publication of GB764633A publication Critical patent/GB764633A/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
    • 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
    • C09B1/26—Dyes with amino groups substituted by hydrocarbon radicals
    • C09B1/28—Dyes with amino groups substituted by hydrocarbon radicals substituted by alkyl, aralkyl or cyclo alkyl groups
    • C09B1/30—Dyes with amino groups substituted by hydrocarbon radicals substituted by alkyl, aralkyl or cyclo alkyl groups sulfonated
    • C09B1/306—Dyes with amino groups substituted by hydrocarbon radicals substituted by alkyl, aralkyl or cyclo alkyl groups sulfonated only sulfonated in a substituent

Landscapes

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

Abstract

4-Benzyl-cyclohexylamine is produced by reacting p-nitrobenzyl chloride with benzene in presence of a Friedel-Crafts catalyst, reducing the nitro group in the p-nitrodiphenylmethane so obtained to amino, and hydrogenating in presence of cobalt oxide.ALSO:The invention comprises a dye for wool of the formula:-<FORM:0764633/IV(b)/1> obtainable by condensing quinizarin or leucoquinizarin with 4-benzyl-cyclohexylamine (see Group IV(b)) and sulphonating. In an example, leucoquinizarin and 4-benzyl-cyclohexylamine are heated together, followed by boiling with nitrobenzene and a little piperidine, and the separated product is sulphonated. Specification 564,859 [Group IV] is referred to.
GB2677/55A 1954-01-30 1955-01-28 Anthraquinone dyestuff Expired GB764633A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE764633X 1954-01-30

Publications (1)

Publication Number Publication Date
GB764633A true GB764633A (en) 1956-12-28

Family

ID=6672902

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2677/55A Expired GB764633A (en) 1954-01-30 1955-01-28 Anthraquinone dyestuff

Country Status (2)

Country Link
FR (1) FR1118335A (en)
GB (1) GB764633A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995021813A1 (en) * 1994-02-10 1995-08-17 John Wyeth & Brother Ltd Cyclohexane derivatives as voltage-gated potassium channel blockers

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995021813A1 (en) * 1994-02-10 1995-08-17 John Wyeth & Brother Ltd Cyclohexane derivatives as voltage-gated potassium channel blockers
US5708026A (en) * 1994-02-10 1998-01-13 John Wyeth & Brother Cyclohexane derivatives
AU700058B2 (en) * 1994-02-10 1998-12-17 John Wyeth & Brother Limited Cyclohexane derivatives as voltage-gated potassium channel blockers

Also Published As

Publication number Publication date
FR1118335A (en) 1956-06-04

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