FR1209855A - Process for the preparation of furobenzopyranones - Google Patents

Process for the preparation of furobenzopyranones

Info

Publication number
FR1209855A
FR1209855A FR1209855DA FR1209855A FR 1209855 A FR1209855 A FR 1209855A FR 1209855D A FR1209855D A FR 1209855DA FR 1209855 A FR1209855 A FR 1209855A
Authority
FR
France
Prior art keywords
furobenzopyranones
preparation
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
Other languages
French (fr)
Inventor
Otto Dann
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
Application granted granted Critical
Publication of FR1209855A publication Critical patent/FR1209855A/en
Expired legal-status Critical Current

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
FR1209855D 1955-05-17 1956-05-02 Process for the preparation of furobenzopyranones Expired FR1209855A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1209855X 1955-05-17

Publications (1)

Publication Number Publication Date
FR1209855A true FR1209855A (en) 1960-03-04

Family

ID=7733055

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1209855D Expired FR1209855A (en) 1955-05-17 1956-05-02 Process for the preparation of furobenzopyranones

Country Status (1)

Country Link
FR (1) FR1209855A (en)

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