CH443528A - Process for the preparation of 4-bromo-3-hydroxyquinophthalone - Google Patents

Process for the preparation of 4-bromo-3-hydroxyquinophthalone

Info

Publication number
CH443528A
CH443528A CH780165A CH780165A CH443528A CH 443528 A CH443528 A CH 443528A CH 780165 A CH780165 A CH 780165A CH 780165 A CH780165 A CH 780165A CH 443528 A CH443528 A CH 443528A
Authority
CH
Switzerland
Prior art keywords
hydroxyquinophthalone
bromo
preparation
Prior art date
Application number
CH780165A
Other languages
German (de)
Inventor
Alfred Dr Schoellig
Original Assignee
Basf 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 Basf Ag filed Critical Basf Ag
Publication of CH443528A publication Critical patent/CH443528A/en

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
    • C09B25/00—Quinophthalones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH780165A 1964-06-27 1965-06-03 Process for the preparation of 4-bromo-3-hydroxyquinophthalone CH443528A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB77444A DE1229663B (en) 1964-06-27 1964-06-27 Process for the preparation of 4-bromo-3-hydroxyquinophthalone

Publications (1)

Publication Number Publication Date
CH443528A true CH443528A (en) 1967-09-15

Family

ID=6979478

Family Applications (1)

Application Number Title Priority Date Filing Date
CH780165A CH443528A (en) 1964-06-27 1965-06-03 Process for the preparation of 4-bromo-3-hydroxyquinophthalone

Country Status (3)

Country Link
CH (1) CH443528A (en)
DE (1) DE1229663B (en)
GB (1) GB1036389A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3972885A (en) * 1970-08-14 1976-08-03 Mitsubishi Chemical Industries Ltd. Oxyquinophthalone coloring material
DE19636880A1 (en) * 1996-09-11 1998-03-12 Bayer Ag Process for the production of quinophthalones
CN102295837B (en) * 2011-06-02 2014-06-04 浙江龙盛集团股份有限公司 Preparation method for disperse yellow dye
CN104559315B (en) * 2014-12-18 2016-09-14 江苏迪安化工有限公司 Yellow mixed crystal disperse dye
CN113087663B (en) * 2021-04-06 2022-12-20 江苏华尔化工有限公司 High-safety synthesis process of disperse yellow 64

Also Published As

Publication number Publication date
GB1036389A (en) 1966-07-20
DE1229663B (en) 1966-12-01

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