CA982123A - 1,5-and 1,8-dihydroxy=anthraquinones - Google Patents

1,5-and 1,8-dihydroxy=anthraquinones

Info

Publication number
CA982123A
CA982123A CA142,957A CA142957A CA982123A CA 982123 A CA982123 A CA 982123A CA 142957 A CA142957 A CA 142957A CA 982123 A CA982123 A CA 982123A
Authority
CA
Canada
Prior art keywords
anthraquinones
dihydroxy
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
CA142,957A
Other languages
English (en)
Other versions
CA142957S (en
Inventor
Rudolf Winkler
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.)
Sandoz Patent Ltd
Original Assignee
Sandoz Patent Ltd
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 Patent Ltd filed Critical Sandoz Patent Ltd
Application granted granted Critical
Publication of CA982123A publication Critical patent/CA982123A/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
    • C09B1/02—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)
CA142,957A 1971-05-26 1972-05-25 1,5-and 1,8-dihydroxy=anthraquinones Expired CA982123A (en)

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
CA982123A true CA982123A (en) 1976-01-20

Family

ID=4329012

Family Applications (1)

Application Number Title Priority Date Filing Date
CA142,957A Expired CA982123A (en) 1971-05-26 1972-05-25 1,5-and 1,8-dihydroxy=anthraquinones

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
AU4277372A (en) 1973-11-29
DE2224793A1 (de) 1972-12-07
BE783889A (fr) 1972-11-24
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

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