GB2035997B - Process for the production of partially halogenated leuco-1,4,5,8-tetra-hydroxyanthraquinone - Google Patents

Process for the production of partially halogenated leuco-1,4,5,8-tetra-hydroxyanthraquinone

Info

Publication number
GB2035997B
GB2035997B GB7841250A GB7841250A GB2035997B GB 2035997 B GB2035997 B GB 2035997B GB 7841250 A GB7841250 A GB 7841250A GB 7841250 A GB7841250 A GB 7841250A GB 2035997 B GB2035997 B GB 2035997B
Authority
GB
United Kingdom
Prior art keywords
hydroxyanthraquinone
leuco
tetra
production
partially halogenated
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
GB7841250A
Other versions
GB2035997A (en
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.)
Yorkshire Chemicals Ltd
Original Assignee
Yorkshire Chemicals 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 Yorkshire Chemicals Ltd filed Critical Yorkshire Chemicals Ltd
Priority to GB7841250A priority Critical patent/GB2035997B/en
Publication of GB2035997A publication Critical patent/GB2035997A/en
Application granted granted Critical
Publication of GB2035997B publication Critical patent/GB2035997B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
    • C07C39/24—Halogenated derivatives
    • C07C39/40—Halogenated derivatives with at least one hydroxy group on a condensed ring system containing more than two rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/06—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by conversion of non-aromatic six-membered rings or of such rings formed in situ into aromatic six-membered rings, e.g. by dehydrogenation
    • C07C37/07—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by conversion of non-aromatic six-membered rings or of such rings formed in situ into aromatic six-membered rings, e.g. by dehydrogenation with simultaneous reduction of C=O group in that ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C46/00—Preparation of quinones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00—Systems containing at least three condensed rings
    • C07C2603/02—Ortho- or ortho- and peri-condensed systems
    • C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
    • C07C2603/22—Ortho- or ortho- and peri-condensed systems containing three rings containing only six-membered rings
    • C07C2603/24—Anthracenes; Hydrogenated anthracenes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB7841250A 1978-10-19 1978-10-19 Process for the production of partially halogenated leuco-1,4,5,8-tetra-hydroxyanthraquinone Expired GB2035997B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7841250A GB2035997B (en) 1978-10-19 1978-10-19 Process for the production of partially halogenated leuco-1,4,5,8-tetra-hydroxyanthraquinone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7841250A GB2035997B (en) 1978-10-19 1978-10-19 Process for the production of partially halogenated leuco-1,4,5,8-tetra-hydroxyanthraquinone

Publications (2)

Publication Number Publication Date
GB2035997A GB2035997A (en) 1980-06-25
GB2035997B true GB2035997B (en) 1982-12-15

Family

ID=10500453

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7841250A Expired GB2035997B (en) 1978-10-19 1978-10-19 Process for the production of partially halogenated leuco-1,4,5,8-tetra-hydroxyanthraquinone

Country Status (1)

Country Link
GB (1) GB2035997B (en)

Also Published As

Publication number Publication date
GB2035997A (en) 1980-06-25

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee