FR2154723B1 - - Google Patents

Info

Publication number
FR2154723B1
FR2154723B1 FR7234491A FR7234491A FR2154723B1 FR 2154723 B1 FR2154723 B1 FR 2154723B1 FR 7234491 A FR7234491 A FR 7234491A FR 7234491 A FR7234491 A FR 7234491A FR 2154723 B1 FR2154723 B1 FR 2154723B1
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
FR7234491A
Other versions
FR2154723A1 (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.)
Fisons Ltd
Original Assignee
Fisons Ltd
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 Fisons Ltd filed Critical Fisons Ltd
Publication of FR2154723A1 publication Critical patent/FR2154723A1/fr
Application granted granted Critical
Publication of FR2154723B1 publication Critical patent/FR2154723B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D335/00—Heterocyclic compounds containing six-membered rings having one sulfur atom as the only ring hetero atom
    • C07D335/04—Heterocyclic compounds containing six-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
    • C07D335/06—Benzothiopyrans; Hydrogenated benzothiopyrans
    • 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
    • C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
    • C07D311/24—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
FR7234491A 1971-09-30 1972-09-29 Expired FR2154723B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB4547071A GB1391615A (en) 1971-09-30 1971-09-30 4-oxo-4h-1-benzopyran and 4-oxo-4h-1-thia benzopyran derivatives
GB5356871 1971-11-18
GB6020971 1971-12-28
GB6020871 1971-12-28

Publications (2)

Publication Number Publication Date
FR2154723A1 FR2154723A1 (fr) 1973-05-11
FR2154723B1 true FR2154723B1 (fr) 1975-10-31

Family

ID=27448982

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7234491A Expired FR2154723B1 (fr) 1971-09-30 1972-09-29

Country Status (7)

Country Link
US (1) US3857856A (fr)
JP (1) JPS4840773A (fr)
DE (1) DE2247969A1 (fr)
FR (1) FR2154723B1 (fr)
GB (1) GB1391615A (fr)
IL (1) IL40362A0 (fr)
NL (1) NL7213139A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3948954A (en) * 1973-01-19 1976-04-06 Fisons Limited Bis-chromone-tetrazole/hydroxamic/carboxylic acids
US4018891A (en) * 1974-07-03 1977-04-19 Richardson-Merrell Inc. Pharmaceutical compositions and methods of treatment with 1-oxo-1H-2-benzothio pyran-3-carboxylic acid derivatives
JPS57185690A (en) * 1981-05-11 1982-11-15 Kojima Denki Seisakusho Kk Method of continuously heating with dc direct energization
US5171865A (en) * 1988-02-29 1992-12-15 Sanwa Kagaku Kenkyusho Co., Ltd. Process for the preparation of optically active 4-oxo-1-benzopyran-2-carboxylic acid derivatives and intermediates thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1049289A (en) * 1962-08-18 1966-11-23 Benger Lab Ltd Chromone derivatives and pharmaceutical compositions containing them
FR1489749A (fr) * 1965-03-25 1967-07-28 Fisons Pharmaceuticals Ltd Procédé de préparation de composés bis-chromonylés et leurs dérivés
GB1223690A (en) * 1967-10-17 1971-03-03 Fisons Pharmaceuticals Ltd Substituted chromon-2-carboxylic acids
GB1291864A (en) * 1969-02-12 1972-10-04 Fisons Pharmaceuticals Ltd Mono thiachromone-2-carboxylic acids
US3710459A (en) * 1970-01-27 1973-01-16 Fisons Ltd Bis(2-carboxy-1-thiachromon-yl and -yloxy)compounds
US3720690A (en) * 1970-04-10 1973-03-13 Fisons Pharmaceuticals Ltd Pharmaceutically active bis-carboxychromone compounds

Also Published As

Publication number Publication date
GB1391615A (en) 1975-04-23
DE2247969A1 (de) 1973-04-05
US3857856A (en) 1974-12-31
JPS4840773A (fr) 1973-06-15
IL40362A0 (en) 1972-11-28
NL7213139A (fr) 1973-04-03
FR2154723A1 (fr) 1973-05-11

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Legal Events

Date Code Title Description
ST Notification of lapse