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BE783889A - Procede de preparation de la 1,5-dihydroxyanthraquinone et de la 1,8-dihydroxyanthraquinone - Google Patents

Procede de preparation de la 1,5-dihydroxyanthraquinone et de la 1,8-dihydroxyanthraquinone

Info

Publication number
BE783889A
BE783889A BE783889A BE783889A BE783889A BE 783889 A BE783889 A BE 783889A BE 783889 A BE783889 A BE 783889A BE 783889 A BE783889 A BE 783889A BE 783889 A BE783889 A BE 783889A
Authority
BE
Belgium
Prior art keywords
dihydroxyanthraquinone
preparation
Prior art date
Application number
BE783889A
Other languages
English (en)
Inventor
R Winkler
Original Assignee
Sandoz Sa
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 Sa filed Critical Sandoz Sa
Publication of BE783889A publication Critical patent/BE783889A/fr

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
    • C09B1/02—Hydroxy-anthraquinones; Ethers or esters thereof
    • C09B1/06—Preparation from starting materials already containing the anthracene nucleus
    • C09B1/08—Dyes containing only OH-groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C46/00—Preparation of quinones
    • C07C46/10—Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE783889A 1971-05-26 1972-05-24 Procede de preparation de la 1,5-dihydroxyanthraquinone et de la 1,8-dihydroxyanthraquinone BE783889A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH768671A CH555875A (de) 1971-05-26 1971-05-26 Verfahren zur herstellung von 1,5- und 1,8-dihydroxyanthrachinonen.

Publications (1)

Publication Number Publication Date
BE783889A true BE783889A (fr) 1972-11-24

Family

ID=4329012

Family Applications (1)

Application Number Title Priority Date Filing Date
BE783889A BE783889A (fr) 1971-05-26 1972-05-24 Procede de preparation de la 1,5-dihydroxyanthraquinone et de la 1,8-dihydroxyanthraquinone

Country Status (13)

Country Link
US (1) US3884943A (fr)
JP (1) JPS5647168B1 (fr)
AU (1) AU470527B2 (fr)
BE (1) BE783889A (fr)
BR (1) BR7203296D0 (fr)
CA (1) CA982123A (fr)
CH (1) CH555875A (fr)
DD (1) DD96231A5 (fr)
DE (1) DE2224793C3 (fr)
ES (1) ES403128A1 (fr)
FR (1) FR2139112B1 (fr)
GB (1) GB1388635A (fr)
NL (1) NL7206799A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH597170A5 (fr) * 1974-12-20 1978-03-31 Ciba Geigy Ag
DE2909481A1 (de) * 1979-03-10 1980-09-11 Bayer Ag Verfahren zur herstellung von 4,5-dinitro-1,8-dihydroxyanthrachinon

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1957936A (en) * 1932-09-14 1934-05-08 Du Pont Manufacture of amino-dihydroxy-anthraquinones
US2485197A (en) * 1944-05-24 1949-10-18 Ciba Ltd Dyestuff mixtures and process of making same

Also Published As

Publication number Publication date
ES403128A1 (es) 1975-11-01
CA982123A (en) 1976-01-20
GB1388635A (en) 1975-03-26
CH555875A (de) 1974-11-15
DE2224793B2 (de) 1980-07-31
DD96231A5 (fr) 1973-03-12
US3884943A (en) 1975-05-20
DE2224793A1 (de) 1972-12-07
BR7203296D0 (pt) 1973-06-14
FR2139112A1 (fr) 1973-01-05
NL7206799A (fr) 1972-11-28
DE2224793C3 (de) 1981-06-19
JPS5647168B1 (fr) 1981-11-07
AU4277372A (en) 1973-11-29
AU470527B2 (en) 1976-03-18
FR2139112B1 (fr) 1977-12-23

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