GB381947A - Manufacture of 6-bromo-2-hydroxy-3-naphthoic acid - Google Patents

Manufacture of 6-bromo-2-hydroxy-3-naphthoic acid

Info

Publication number
GB381947A
GB381947A GB2022531A GB2022531A GB381947A GB 381947 A GB381947 A GB 381947A GB 2022531 A GB2022531 A GB 2022531A GB 2022531 A GB2022531 A GB 2022531A GB 381947 A GB381947 A GB 381947A
Authority
GB
United Kingdom
Prior art keywords
bromo
hydroxy
manufacture
naphthoic acid
debrominating
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
GB2022531A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Priority to GB2022531A priority Critical patent/GB381947A/en
Publication of GB381947A publication Critical patent/GB381947A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C65/00—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C65/01—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing hydroxy or O-metal groups
    • C07C65/105—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing hydroxy or O-metal groups polycyclic
    • C07C65/11—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing hydroxy or O-metal groups polycyclic with carboxyl groups on a condensed ring system containing two rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

6-Bromo-2 : 3-oxynaphthoic acid is obtained by debrominating the 1 : 6-dibromo compound with reducing agents which act in an alkaline medium. According to examples, the reduction is performed with sodium sulphite and sodium carbonate, or glucose and caustic soda.
GB2022531A 1931-07-14 1931-07-14 Manufacture of 6-bromo-2-hydroxy-3-naphthoic acid Expired GB381947A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2022531A GB381947A (en) 1931-07-14 1931-07-14 Manufacture of 6-bromo-2-hydroxy-3-naphthoic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2022531A GB381947A (en) 1931-07-14 1931-07-14 Manufacture of 6-bromo-2-hydroxy-3-naphthoic acid

Publications (1)

Publication Number Publication Date
GB381947A true GB381947A (en) 1932-10-14

Family

ID=10142452

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2022531A Expired GB381947A (en) 1931-07-14 1931-07-14 Manufacture of 6-bromo-2-hydroxy-3-naphthoic acid

Country Status (1)

Country Link
GB (1) GB381947A (en)

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