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)
French (fr)
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/xx

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH597170A5 (xx) * 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
CA982123A (en) 1976-01-20
AU4277372A (en) 1973-11-29
DE2224793A1 (de) 1972-12-07
DE2224793C3 (de) 1981-06-19
ES403128A1 (es) 1975-11-01
US3884943A (en) 1975-05-20
FR2139112A1 (xx) 1973-01-05
DE2224793B2 (de) 1980-07-31
DD96231A5 (xx) 1973-03-12
JPS5647168B1 (xx) 1981-11-07
AU470527B2 (en) 1976-03-18
CH555875A (de) 1974-11-15
NL7206799A (xx) 1972-11-28
BR7203296D0 (pt) 1973-06-14
GB1388635A (en) 1975-03-26
FR2139112B1 (xx) 1977-12-23

Similar Documents

Publication Publication Date Title
BE764179A (fr) " 5-azapyrimidine-nucleosides et leur procede de preparation
BE838223Q (fr) Procede d'hydrodesulfuration
BE771169A (fr) Procede de preparation d'isobutylates
BE764883A (fr) Procede de preparation d'hydrogenosilanes
BE774993A (fr) Procede de preparation simultanee de 1,3-butadiene et de methacroleine
BE786518A (fr) Procede de preparation d'oxa-bicyclo-alcenes
BE785344A (fr) Procede de preparation d'alcenyl-silanes
BE774202A (fr) Procede de preparation de la n,n,n',n'-tetraacetyl-ethylene- diamine
BE786156A (fr) Procede de preparation de l'anhydride
BE785055A (fr) Procede de preparation d'alpha-monohydroxylamino- anthraquinoneet d'alpha,alpha'-dihydroxylamino-anthraquinone
BE795902A (fr) Procede de preparation du diiodo-3,5 hydroxy-4benzonitrile et de l'iodo-3 hydroxy-4 nitro-5benzonitrile
BE774540A (fr) Procede de preparation de l'omega laurinolactame
BE783889A (fr) Procede de preparation de la 1,5-dihydroxyanthraquinone et de la 1,8-dihydroxyanthraquinone
BE777062A (fr) 3-sulfo-alkyl-6-hydroxy-pyridones-(2), leur procede de preparation et application
BE768976A (fr) Procede de preparation d'isoprene
BE768303A (fr) Procede de preparation de 1,1,2,2-tetrahydroperfluoro- alcanols
BE764210A (fr) Procede de preparation d'alcoyl-silanes
BE793131A (fr) 2-alcoyl-2-mecaptomethylpropane diols-1,3 et procede de preparation
BE763637A (fr) Procede pour la preparation de thiourees symetriques 1,3- disubstitueesaliphatiques et cycloaliphatiques
BE786157A (fr) Procede de preparation de l'anhydride
BE781275A (fr) Procede de preparation d'o-aminobenzonitriles
BE773500A (fr) Procede de preparation d'alcoxyacetaldehydes et d'acyloxyacetaldehydes
BE778852A (fr) Procede de preparation d'aminoaryl-urees et d'aminoaryl-thio-urees
BE770405A (fr) Procede de preparation de 14 beta-hydroxy-deltaexp.16- steroides et de 7 alpha-hydroxy-deltaexp.4-steroides
BE792804A (fr) Procede de preparation d'hydroxocobalticorrinoide