ATA753776A - PROCESS FOR THE PRODUCTION OF NEW XANTHENDER DERIVATIVES AND THEIR ACID ADDITION SALTS - Google Patents

PROCESS FOR THE PRODUCTION OF NEW XANTHENDER DERIVATIVES AND THEIR ACID ADDITION SALTS

Info

Publication number
ATA753776A
ATA753776A AT753776A AT753776A ATA753776A AT A753776 A ATA753776 A AT A753776A AT 753776 A AT753776 A AT 753776A AT 753776 A AT753776 A AT 753776A AT A753776 A ATA753776 A AT A753776A
Authority
AT
Austria
Prior art keywords
xanthender
derivatives
new
production
acid addition
Prior art date
Application number
AT753776A
Other languages
German (de)
Other versions
AT340918B (en
Original Assignee
Ici 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 Ici Ltd filed Critical Ici Ltd
Priority to AT753776A priority Critical patent/AT340918B/en
Priority claimed from AT77375A external-priority patent/AT340417B/en
Publication of ATA753776A publication Critical patent/ATA753776A/en
Application granted granted Critical
Publication of AT340918B publication Critical patent/AT340918B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
    • C07D491/10—Spiro-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/78—Ring systems having three or more relevant rings
    • C07D311/80—Dibenzopyrans; Hydrogenated dibenzopyrans
    • C07D311/82—Xanthenes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
AT753776A 1975-02-03 1975-02-03 PROCESS FOR THE PRODUCTION OF NEW XANTHENDER DERIVATIVES AND THEIR ACID ADDITION SALTS AT340918B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT753776A AT340918B (en) 1975-02-03 1975-02-03 PROCESS FOR THE PRODUCTION OF NEW XANTHENDER DERIVATIVES AND THEIR ACID ADDITION SALTS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT77375A AT340417B (en) 1974-02-04 1975-02-03 PROCESS FOR THE PRODUCTION OF NEW XANTHENDER DERIVATIVES AND THEIR ACID ADDITION SALTS
AT753776A AT340918B (en) 1975-02-03 1975-02-03 PROCESS FOR THE PRODUCTION OF NEW XANTHENDER DERIVATIVES AND THEIR ACID ADDITION SALTS

Publications (2)

Publication Number Publication Date
ATA753776A true ATA753776A (en) 1977-05-15
AT340918B AT340918B (en) 1978-01-10

Family

ID=25593871

Family Applications (1)

Application Number Title Priority Date Filing Date
AT753776A AT340918B (en) 1975-02-03 1975-02-03 PROCESS FOR THE PRODUCTION OF NEW XANTHENDER DERIVATIVES AND THEIR ACID ADDITION SALTS

Country Status (1)

Country Link
AT (1) AT340918B (en)

Also Published As

Publication number Publication date
AT340918B (en) 1978-01-10

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee