CH555875A - Verfahren zur herstellung von 1,5- und 1,8-dihydroxyanthrachinonen. - Google Patents

Verfahren zur herstellung von 1,5- und 1,8-dihydroxyanthrachinonen.

Info

Publication number
CH555875A
CH555875A CH768671A CH768671A CH555875A CH 555875 A CH555875 A CH 555875A CH 768671 A CH768671 A CH 768671A CH 768671 A CH768671 A CH 768671A CH 555875 A CH555875 A CH 555875A
Authority
CH
Switzerland
Prior art keywords
dihydroxyanthrachinones
preparation
Prior art date
Application number
CH768671A
Other languages
English (en)
Original Assignee
Sandoz 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 Sandoz Ag filed Critical Sandoz Ag
Priority to CH768671A priority Critical patent/CH555875A/de
Priority to NL7206799A priority patent/NL7206799A/xx
Priority to DE2224793A priority patent/DE2224793C3/de
Priority to US255253A priority patent/US3884943A/en
Priority to GB2420772A priority patent/GB1388635A/en
Priority to JP5083172A priority patent/JPS5647168B1/ja
Priority to BE783889A priority patent/BE783889A/xx
Priority to ES403128A priority patent/ES403128A1/es
Priority to BR3296/72A priority patent/BR7203296D0/pt
Priority to DD163192A priority patent/DD96231A5/xx
Priority to AU42773/72A priority patent/AU470527B2/en
Priority to CA142,957A priority patent/CA982123A/en
Priority to FR7218827A priority patent/FR2139112B1/fr
Publication of CH555875A publication Critical patent/CH555875A/de

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)
CH768671A 1971-05-26 1971-05-26 Verfahren zur herstellung von 1,5- und 1,8-dihydroxyanthrachinonen. CH555875A (de)

Priority Applications (13)

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.
NL7206799A NL7206799A (de) 1971-05-26 1972-05-19
DE2224793A DE2224793C3 (de) 1971-05-26 1972-05-20 Verfahren zur Herstellung von 1,5- und 1,8-Dihydroxyanthrachinonen
US255253A US3884943A (en) 1971-05-26 1972-05-22 Preparation and separation of 1,5- and 1,8-dihydroxyanthraquinone
GB2420772A GB1388635A (en) 1971-05-26 1972-05-23 Dihydroxy anthraquinones
JP5083172A JPS5647168B1 (de) 1971-05-26 1972-05-24
BE783889A BE783889A (fr) 1971-05-26 1972-05-24 Procede de preparation de la 1,5-dihydroxyanthraquinone et de la 1,8-dihydroxyanthraquinone
ES403128A ES403128A1 (es) 1971-05-26 1972-05-24 Procedimiento para la obtencion de 1,5 (8)-dihidroxiantra- quinona.
BR3296/72A BR7203296D0 (pt) 1971-05-26 1972-05-24 Processo para producao de 1,5-e 1,8-di-hidroxi-antraquinona
DD163192A DD96231A5 (de) 1971-05-26 1972-05-25
AU42773/72A AU470527B2 (en) 1971-05-26 1972-05-25 PROCESS FORTHE PREPARATION OF 1, 5 and 1, 8-DIHYDROXY-ANTHRAGUINONES
CA142,957A CA982123A (en) 1971-05-26 1972-05-25 1,5-and 1,8-dihydroxy=anthraquinones
FR7218827A FR2139112B1 (de) 1971-05-26 1972-05-26

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
CH555875A true CH555875A (de) 1974-11-15

Family

ID=4329012

Family Applications (1)

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

Country Status (13)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH597170A5 (de) * 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
NL7206799A (de) 1972-11-28
AU4277372A (en) 1973-11-29
AU470527B2 (en) 1976-03-18
CA982123A (en) 1976-01-20
BR7203296D0 (pt) 1973-06-14
BE783889A (fr) 1972-11-24
FR2139112B1 (de) 1977-12-23
FR2139112A1 (de) 1973-01-05
DD96231A5 (de) 1973-03-12
US3884943A (en) 1975-05-20
ES403128A1 (es) 1975-11-01
DE2224793C3 (de) 1981-06-19
JPS5647168B1 (de) 1981-11-07
DE2224793A1 (de) 1972-12-07
DE2224793B2 (de) 1980-07-31
GB1388635A (en) 1975-03-26

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Legal Events

Date Code Title Description
PL Patent ceased