BE825642A - Nouveaux - Google Patents

Nouveaux

Info

Publication number
BE825642A
BE825642A BE153447A BE153447A BE825642A BE 825642 A BE825642 A BE 825642A BE 153447 A BE153447 A BE 153447A BE 153447 A BE153447 A BE 153447A BE 825642 A BE825642 A BE 825642A
Authority
BE
Belgium
Prior art keywords
new
Prior art date
Application number
BE153447A
Other languages
English (en)
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 filed Critical
Publication of BE825642A publication Critical patent/BE825642A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/04—Ortho-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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
BE153447A 1974-02-18 1975-02-17 Nouveaux BE825642A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742407631 DE2407631A1 (de) 1974-02-18 1974-02-18 Neue 2-carboxy-4-oxo-4h,6h- eckige klammer auf 2 eckige klammer zu -benzopyranoeckige klammer auf 3,4-f eckige klammer zu eckige klammer auf 1 eckige klammer zu -benzopyrane sowie ihre ester und salze und verfahren zu ihrer herstellung

Publications (1)

Publication Number Publication Date
BE825642A true BE825642A (fr) 1975-08-18

Family

ID=5907686

Family Applications (1)

Application Number Title Priority Date Filing Date
BE153447A BE825642A (fr) 1974-02-18 1975-02-17 Nouveaux

Country Status (9)

Country Link
US (1) US3987186A (fr)
JP (1) JPS50116500A (fr)
AT (1) AT339298B (fr)
BE (1) BE825642A (fr)
DE (1) DE2407631A1 (fr)
ES (2) ES434463A1 (fr)
FR (1) FR2261006B1 (fr)
GB (1) GB1492865A (fr)
NL (1) NL7501862A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057553A (en) * 1976-08-26 1977-11-08 Hoffmann-La Roche Inc. Certain pyrano-furo-azuleno-pyridines
US8012603B2 (en) * 2002-10-30 2011-09-06 Sumitomo Chemical Company, Limited Polymer compound and polymer light-emitting device using the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3902925A (en) * 1973-10-30 1975-09-02 Gen Electric Deep diode device and method

Also Published As

Publication number Publication date
JPS50116500A (fr) 1975-09-11
ES437183A1 (es) 1977-01-16
FR2261006A1 (fr) 1975-09-12
US3987186A (en) 1976-10-19
AT339298B (de) 1977-10-10
ATA43975A (de) 1977-02-15
ES434463A1 (es) 1977-03-16
DE2407631A1 (de) 1975-08-28
GB1492865A (en) 1977-11-23
NL7501862A (nl) 1975-08-20
FR2261006B1 (fr) 1978-06-30

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