AT339297B - PROCESS FOR THE PREPARATION OF NEW 5,7-DISUBSTITUTED XANTHONE-2-CARBONIC ACID DERIVATIVES - Google Patents

PROCESS FOR THE PREPARATION OF NEW 5,7-DISUBSTITUTED XANTHONE-2-CARBONIC ACID DERIVATIVES

Info

Publication number
AT339297B
AT339297B AT9475A AT9475A AT339297B AT 339297 B AT339297 B AT 339297B AT 9475 A AT9475 A AT 9475A AT 9475 A AT9475 A AT 9475A AT 339297 B AT339297 B AT 339297B
Authority
AT
Austria
Prior art keywords
preparation
new
acid derivatives
carbonic acid
xanthone
Prior art date
Application number
AT9475A
Other languages
German (de)
Other versions
ATA9475A (en
Original Assignee
Syntex Inc
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
Priority claimed from US05431794 external-priority patent/US3894049A/en
Application filed by Syntex Inc filed Critical Syntex Inc
Publication of ATA9475A publication Critical patent/ATA9475A/en
Application granted granted Critical
Publication of AT339297B publication Critical patent/AT339297B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
    • 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
    • C07D311/84—Xanthenes with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 9
    • C07D311/86—Oxygen atoms, e.g. xanthones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Pyrane Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT9475A 1974-01-08 1975-01-08 PROCESS FOR THE PREPARATION OF NEW 5,7-DISUBSTITUTED XANTHONE-2-CARBONIC ACID DERIVATIVES AT339297B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05431794 US3894049A (en) 1972-06-05 1974-01-08 Disubstituted xanthone carboxylic acid compounds

Publications (2)

Publication Number Publication Date
ATA9475A ATA9475A (en) 1977-02-15
AT339297B true AT339297B (en) 1977-10-10

Family

ID=23713448

Family Applications (1)

Application Number Title Priority Date Filing Date
AT9475A AT339297B (en) 1974-01-08 1975-01-08 PROCESS FOR THE PREPARATION OF NEW 5,7-DISUBSTITUTED XANTHONE-2-CARBONIC ACID DERIVATIVES

Country Status (14)

Country Link
JP (1) JPS50126667A (en)
AT (1) AT339297B (en)
AU (1) AU7571774A (en)
BE (1) BE823030R (en)
DE (1) DE2461059A1 (en)
DK (1) DK645674A (en)
ES (1) ES433626A2 (en)
FI (1) FI334874A (en)
FR (1) FR2256755B2 (en)
GB (2) GB1464562A (en)
NL (1) NL7500218A (en)
NO (1) NO744506L (en)
SE (1) SE7415844L (en)
ZA (1) ZA747671B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136227A (en) * 1983-03-07 1984-09-12 Nat Res Dev Direct Current Circuit Breakers

Also Published As

Publication number Publication date
AU7571774A (en) 1976-05-27
GB1464561A (en) 1977-02-16
DK645674A (en) 1975-09-01
FR2256755A2 (en) 1975-08-01
ES433626A2 (en) 1977-07-01
GB1464562A (en) 1977-02-16
FR2256755B2 (en) 1978-06-30
JPS50126667A (en) 1975-10-04
BE823030R (en) 1975-06-06
FI334874A (en) 1975-07-09
ATA9475A (en) 1977-02-15
NO744506L (en) 1975-08-04
SE7415844L (en) 1975-07-09
DE2461059A1 (en) 1975-07-17
ZA747671B (en) 1976-07-28
NL7500218A (en) 1975-07-10

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties