FR1167120A - Coumarin derivatives and process for their preparation - Google Patents

Coumarin derivatives and process for their preparation

Info

Publication number
FR1167120A
FR1167120A FR1167120DA FR1167120A FR 1167120 A FR1167120 A FR 1167120A FR 1167120D A FR1167120D A FR 1167120DA FR 1167120 A FR1167120 A FR 1167120A
Authority
FR
France
Prior art keywords
preparation
coumarin derivatives
coumarin
derivatives
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)
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.)
Novartis AG
Original Assignee
JR Geigy 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 JR Geigy AG filed Critical JR Geigy AG
Application granted granted Critical
Publication of FR1167120A publication Critical patent/FR1167120A/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
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/42—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR1167120D 1956-01-20 1957-01-18 Coumarin derivatives and process for their preparation Expired FR1167120A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1167120X 1956-01-20

Publications (1)

Publication Number Publication Date
FR1167120A true FR1167120A (en) 1958-11-20

Family

ID=4561037

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1167120D Expired FR1167120A (en) 1956-01-20 1957-01-18 Coumarin derivatives and process for their preparation

Country Status (1)

Country Link
FR (1) FR1167120A (en)

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