FR1186130A - Process for preparing 4-hydroxy-coumarins carrying a substituent in position 3 - Google Patents

Process for preparing 4-hydroxy-coumarins carrying a substituent in position 3

Info

Publication number
FR1186130A
FR1186130A FR1186130DA FR1186130A FR 1186130 A FR1186130 A FR 1186130A FR 1186130D A FR1186130D A FR 1186130DA FR 1186130 A FR1186130 A FR 1186130A
Authority
FR
France
Prior art keywords
coumarins
substituent
hydroxy
preparing
carrying
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 FR1186130A publication Critical patent/FR1186130A/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)
FR1186130D 1954-08-17 1955-08-16 Process for preparing 4-hydroxy-coumarins carrying a substituent in position 3 Expired FR1186130A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1186130X 1954-08-17

Publications (1)

Publication Number Publication Date
FR1186130A true FR1186130A (en) 1959-08-14

Family

ID=4561995

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1186130D Expired FR1186130A (en) 1954-08-17 1955-08-16 Process for preparing 4-hydroxy-coumarins carrying a substituent in position 3

Country Status (1)

Country Link
FR (1) FR1186130A (en)

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