FR2240728B1 - - Google Patents

Info

Publication number
FR2240728B1
FR2240728B1 FR7427629A FR7427629A FR2240728B1 FR 2240728 B1 FR2240728 B1 FR 2240728B1 FR 7427629 A FR7427629 A FR 7427629A FR 7427629 A FR7427629 A FR 7427629A FR 2240728 B1 FR2240728 B1 FR 2240728B1
Authority
FR
France
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
FR7427629A
Other languages
French (fr)
Other versions
FR2240728A1 (en
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.)
Warner Lambert Co LLC
Original Assignee
Warner Lambert Co LLC
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
Priority claimed from US387861A external-priority patent/US3879427A/en
Application filed by Warner Lambert Co LLC filed Critical Warner Lambert Co LLC
Publication of FR2240728A1 publication Critical patent/FR2240728A1/fr
Application granted granted Critical
Publication of FR2240728B1 publication Critical patent/FR2240728B1/fr
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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Pyrane Compounds (AREA)
FR7427629A 1973-08-13 1974-08-08 Expired FR2240728B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US387861A US3879427A (en) 1972-11-24 1973-08-13 Derivatives of polycyclic gamma-pyrones

Publications (2)

Publication Number Publication Date
FR2240728A1 FR2240728A1 (en) 1975-03-14
FR2240728B1 true FR2240728B1 (en) 1978-07-21

Family

ID=23531624

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7427629A Expired FR2240728B1 (en) 1973-08-13 1974-08-08

Country Status (7)

Country Link
JP (1) JPS5041867A (en)
AU (1) AU471141B2 (en)
CA (1) CA1027130A (en)
DE (1) DE2436944A1 (en)
DK (1) DK398674A (en)
FR (1) FR2240728B1 (en)
GB (1) GB1416670A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0008167A1 (en) * 1978-08-15 1980-02-20 FISONS plc Improved process for the production of 6,7,8,9-tetrahydro-5-hydroxy-4-oxo-10-propyl-4H-naphtho(2,3-b)pyran-2-carboxylic acid

Also Published As

Publication number Publication date
AU471141B2 (en) 1976-04-08
JPS5041867A (en) 1975-04-16
DK398674A (en) 1975-04-21
AU7199574A (en) 1974-10-24
GB1416670A (en) 1975-12-03
DE2436944A1 (en) 1975-03-13
FR2240728A1 (en) 1975-03-14
CA1027130A (en) 1978-02-28

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Legal Events

Date Code Title Description
ST Notification of lapse