FR1275861A - Process for preparing 4-hydroxy-coumarins - Google Patents

Process for preparing 4-hydroxy-coumarins

Info

Publication number
FR1275861A
FR1275861A FR846507A FR846507A FR1275861A FR 1275861 A FR1275861 A FR 1275861A FR 846507 A FR846507 A FR 846507A FR 846507 A FR846507 A FR 846507A FR 1275861 A FR1275861 A FR 1275861A
Authority
FR
France
Prior art keywords
coumarins
hydroxy
preparing
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
FR846507A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cassella Farbwerke Mainkur AG
Original Assignee
Cassella Farbwerke Mainkur AG
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 Cassella Farbwerke Mainkur AG filed Critical Cassella Farbwerke Mainkur AG
Priority to FR846507A priority Critical patent/FR1275861A/en
Application granted granted Critical
Publication of FR1275861A publication Critical patent/FR1275861A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C07D311/92—Naphthopyrans; Hydrogenated naphthopyrans

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR846507A 1960-12-09 1960-12-09 Process for preparing 4-hydroxy-coumarins Expired FR1275861A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR846507A FR1275861A (en) 1960-12-09 1960-12-09 Process for preparing 4-hydroxy-coumarins

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR846507A FR1275861A (en) 1960-12-09 1960-12-09 Process for preparing 4-hydroxy-coumarins

Publications (1)

Publication Number Publication Date
FR1275861A true FR1275861A (en) 1961-11-10

Family

ID=8744473

Family Applications (1)

Application Number Title Priority Date Filing Date
FR846507A Expired FR1275861A (en) 1960-12-09 1960-12-09 Process for preparing 4-hydroxy-coumarins

Country Status (1)

Country Link
FR (1) FR1275861A (en)

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