FR1072431A - Process for the preparation of bis- [4-hydroxy-coumarinyl- (3)] -acetic acid esters - Google Patents

Process for the preparation of bis- [4-hydroxy-coumarinyl- (3)] -acetic acid esters

Info

Publication number
FR1072431A
FR1072431A FR1072431DA FR1072431A FR 1072431 A FR1072431 A FR 1072431A FR 1072431D A FR1072431D A FR 1072431DA FR 1072431 A FR1072431 A FR 1072431A
Authority
FR
France
Prior art keywords
coumarinyl
bis
hydroxy
preparation
acetic acid
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 FR1072431A publication Critical patent/FR1072431A/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
    • C07D311/44—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3
    • C07D311/46—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3 unsubstituted in the carbocyclic ring
    • C07D311/48—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3 unsubstituted in the carbocyclic ring with two such benzopyran radicals linked together by a carbon chain

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyrane Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR1072431D 1951-11-19 1952-11-18 Process for the preparation of bis- [4-hydroxy-coumarinyl- (3)] -acetic acid esters Expired FR1072431A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1072431X 1951-11-19

Publications (1)

Publication Number Publication Date
FR1072431A true FR1072431A (en) 1954-09-13

Family

ID=4555946

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1072431D Expired FR1072431A (en) 1951-11-19 1952-11-18 Process for the preparation of bis- [4-hydroxy-coumarinyl- (3)] -acetic acid esters

Country Status (4)

Country Link
BE (1) BE515630A (en)
DE (1) DE911371C (en)
FR (1) FR1072431A (en)
NL (1) NL82756C (en)

Also Published As

Publication number Publication date
DE911371C (en) 1954-05-13
BE515630A (en)
NL82756C (en)

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