ES388757A1 - Process for the production of 1,5-dihydroxyanthraquinone - Google Patents

Process for the production of 1,5-dihydroxyanthraquinone

Info

Publication number
ES388757A1
ES388757A1 ES388757A ES388757A ES388757A1 ES 388757 A1 ES388757 A1 ES 388757A1 ES 388757 A ES388757 A ES 388757A ES 388757 A ES388757 A ES 388757A ES 388757 A1 ES388757 A1 ES 388757A1
Authority
ES
Spain
Prior art keywords
dihydroxyanthraquinone
production
dihydroxiantraquinone
meta
condensed
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
ES388757A
Other languages
Spanish (es)
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 AG
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
Publication of ES388757A1 publication Critical patent/ES388757A1/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
    • C09B1/04—Preparation by synthesis of the nucleus

Abstract

Procedure for obtaining 1,5-dihydroxiantraquinone, characterized in that meta-hydroxybenzoic acid is condensed by heating in a fusion of aluminum chloride-sodium chloride. (Machine-translation by Google Translate, not legally binding)
ES388757A 1970-03-02 1971-03-01 Process for the production of 1,5-dihydroxyanthraquinone Expired ES388757A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH299570A CH527148A (en) 1970-03-02 1970-03-02 Process for the preparation of 1,5-dihydroxyanthraquinone

Publications (1)

Publication Number Publication Date
ES388757A1 true ES388757A1 (en) 1974-03-01

Family

ID=4246274

Family Applications (1)

Application Number Title Priority Date Filing Date
ES388757A Expired ES388757A1 (en) 1970-03-02 1971-03-01 Process for the production of 1,5-dihydroxyanthraquinone

Country Status (10)

Country Link
BE (1) BE763412A (en)
BR (1) BR7101213D0 (en)
CA (1) CA946384A (en)
CH (1) CH527148A (en)
DE (1) DE2108575A1 (en)
ES (1) ES388757A1 (en)
FR (1) FR2084017A5 (en)
GB (1) GB1334273A (en)
NL (1) NL7102672A (en)
SU (1) SU383271A3 (en)

Also Published As

Publication number Publication date
GB1334273A (en) 1973-10-17
BE763412A (en) 1971-07-16
BR7101213D0 (en) 1973-05-03
DE2108575A1 (en) 1971-09-16
FR2084017A5 (en) 1971-12-17
CH527148A (en) 1972-08-31
NL7102672A (en) 1971-09-06
SU383271A3 (en) 1973-05-25
CA946384A (en) 1974-04-30

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