CS160986B1 - - Google Patents

Info

Publication number
CS160986B1
CS160986B1 CS9671A CS9671A CS160986B1 CS 160986 B1 CS160986 B1 CS 160986B1 CS 9671 A CS9671 A CS 9671A CS 9671 A CS9671 A CS 9671A CS 160986 B1 CS160986 B1 CS 160986B1
Authority
CS
Czechoslovakia
Application number
CS9671A
Other languages
Czech (cs)
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 SU1386177A external-priority patent/SU336981A1/en
Priority claimed from SU1386182A external-priority patent/SU326862A1/en
Application filed filed Critical
Publication of CS160986B1 publication Critical patent/CS160986B1/cs

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
    • C07D493/10—Spiro-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • C07C63/33—Polycyclic acids
    • C07C63/331—Polycyclic acids with all carboxyl groups bound to non-condensed rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
    • C07D307/89—Benzo [c] furans; Hydrogenated benzo [c] furans with two oxygen atoms directly attached in positions 1 and 3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
CS9671A 1970-01-07 1971-01-07 CS160986B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
SU1386177A SU336981A1 (en) 1970-01-07 METHOD OF OBTAINING DIANHYDRIDES OF ARYL SUBSTITUTES
SU1386179A SU303871A1 (en) 1970-01-07 Method of producing a-arylfuryl-derivatives containing spiral croupings
SU1386176A SU338092A1 (en) 1970-01-07 METHOD OF OBTAINING DIANHYDRIDES OF AROMATIC TETRACARBONIC ACIDS
SU1386186A SU292476A1 (en) 1970-01-07 METHOD OF OBTAINING BIS- (o: -FURIL) ARYLENES
SU1386182A SU326862A1 (en) 1970-01-07 1970-01-07 METHOD OF OBTAINING S, S '-? YAS-

Publications (1)

Publication Number Publication Date
CS160986B1 true CS160986B1 (en) 1975-05-04

Family

ID=27532809

Family Applications (1)

Application Number Title Priority Date Filing Date
CS9671A CS160986B1 (en) 1970-01-07 1971-01-07

Country Status (3)

Country Link
CS (1) CS160986B1 (en)
DE (1) DE2100391C3 (en)
FR (1) FR2080900A1 (en)

Also Published As

Publication number Publication date
FR2080900A1 (en) 1971-11-26
DE2100391C3 (en) 1974-12-05
DE2100391A1 (en) 1971-09-16
DE2100391B2 (en) 1974-05-02
FR2080900B1 (en) 1973-06-08

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