CA1094060A - Method for the preparation of 2-hydroxybenzathrone and of the substitution derivatives thereof - Google Patents

Method for the preparation of 2-hydroxybenzathrone and of the substitution derivatives thereof

Info

Publication number
CA1094060A
CA1094060A CA255,392A CA255392A CA1094060A CA 1094060 A CA1094060 A CA 1094060A CA 255392 A CA255392 A CA 255392A CA 1094060 A CA1094060 A CA 1094060A
Authority
CA
Canada
Prior art keywords
anthraquinone
process according
hydroxy
aminoanthraquinone
hydroxybenzanthrone
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
CA255,392A
Other languages
English (en)
French (fr)
Inventor
Giuseppe Ribaldone
Giampiero Borsotti
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.)
Montedison SpA
Original Assignee
Montedison SpA
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 Montedison SpA filed Critical Montedison SpA
Application granted granted Critical
Publication of CA1094060A publication Critical patent/CA1094060A/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
    • C09B3/00—Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
    • C09B3/02—Benzathrones
    • C09B3/04—Preparation by synthesis of the nucleus

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA255,392A 1975-06-24 1976-06-22 Method for the preparation of 2-hydroxybenzathrone and of the substitution derivatives thereof Expired CA1094060A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT24696/75A IT1039349B (it) 1975-06-24 1975-06-24 Metodo per la preparazione del 2 idrossibenzantrone e dei suoi derivati di sostituzione
IT24696A/75 1975-06-24

Publications (1)

Publication Number Publication Date
CA1094060A true CA1094060A (en) 1981-01-20

Family

ID=11214429

Family Applications (1)

Application Number Title Priority Date Filing Date
CA255,392A Expired CA1094060A (en) 1975-06-24 1976-06-22 Method for the preparation of 2-hydroxybenzathrone and of the substitution derivatives thereof

Country Status (10)

Country Link
US (1) US4036859A (OSRAM)
JP (1) JPS524536A (OSRAM)
BE (1) BE843353A (OSRAM)
CA (1) CA1094060A (OSRAM)
DE (1) DE2627867A1 (OSRAM)
ES (1) ES449130A1 (OSRAM)
FR (1) FR2315496A1 (OSRAM)
GB (1) GB1489170A (OSRAM)
IT (1) IT1039349B (OSRAM)
NL (1) NL7606703A (OSRAM)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4414156A (en) * 1980-10-29 1983-11-08 Ciba-Geigy Ag Process for producing 2-methoxybenzanthrones
US4812393A (en) * 1986-01-31 1989-03-14 Eastman Kodak Company Fluorescent dyes and biological and analytical uses thereof
US4927927A (en) * 1986-01-31 1990-05-22 Eastman Kodak Company Fluorescent dyes and biological and analytical uses thereof
AU4946697A (en) * 1996-10-28 1998-05-22 Merck Patent Gmbh Dihydrobenzoanthracenone, -pyrimidinone or dihydronaphtoquinolinone
US6531613B1 (en) 2001-08-20 2003-03-11 3M Innovative Properties Company Thioxanthone dyes with improved solubility
US6713636B2 (en) 2001-08-20 2004-03-30 3M Innovative Properties Company Thloxanthone dyes with improved solubility and a method of preparing 2-oxybenzanthrones as intermediate materials for making of these dyes
US6841236B2 (en) 2001-08-20 2005-01-11 3M Innovative Properties Co. Articles containing thioxanthone dyes
US6930184B2 (en) * 2002-07-26 2005-08-16 3M Innovative Properties Company Functional fluorescent dyes
US6894105B2 (en) * 2002-07-26 2005-05-17 3M Innovatives Properties Company Dyed fluoropolymers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1791309A (en) * 1928-02-06 1931-02-03 Newport Chemical Corp Process of making benzanthrone
US2295649A (en) * 1938-06-18 1942-09-15 Gen Aniline & Film Corp Benzanthrones and a process of preparing them
US2595348A (en) * 1948-07-07 1952-05-06 Allied Chem & Dye Corp Process of producing benzanthrone free from anthraquinone impurities

Also Published As

Publication number Publication date
IT1039349B (it) 1979-12-10
FR2315496B1 (OSRAM) 1978-09-01
NL7606703A (nl) 1976-12-28
US4036859A (en) 1977-07-19
FR2315496A1 (fr) 1977-01-21
DE2627867A1 (de) 1977-01-13
ES449130A1 (es) 1978-01-01
BE843353A (fr) 1976-12-24
GB1489170A (en) 1977-10-19
JPS524536A (en) 1977-01-13

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Legal Events

Date Code Title Description
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