CH551437A - PROCESS FOR THE PREPARATION OF CHROMONE-CARBOXYLIC ACIDS. - Google Patents

PROCESS FOR THE PREPARATION OF CHROMONE-CARBOXYLIC ACIDS.

Info

Publication number
CH551437A
CH551437A CH196970A CH196970A CH551437A CH 551437 A CH551437 A CH 551437A CH 196970 A CH196970 A CH 196970A CH 196970 A CH196970 A CH 196970A CH 551437 A CH551437 A CH 551437A
Authority
CH
Switzerland
Prior art keywords
chromone
preparation
carboxylic acids
carboxylic
acids
Prior art date
Application number
CH196970A
Other languages
French (fr)
Original Assignee
Fisons Pharmaceuticals 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 Pharmaceuticals Ltd filed Critical Fisons Pharmaceuticals Ltd
Publication of CH551437A publication Critical patent/CH551437A/en

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
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C321/00—Thiols, sulfides, hydropolysulfides or polysulfides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
    • 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
CH196970A 1969-02-12 1970-02-11 PROCESS FOR THE PREPARATION OF CHROMONE-CARBOXYLIC ACIDS. CH551437A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7467/69A GB1291864A (en) 1969-02-12 1969-02-12 Mono thiachromone-2-carboxylic acids

Publications (1)

Publication Number Publication Date
CH551437A true CH551437A (en) 1974-07-15

Family

ID=9833661

Family Applications (5)

Application Number Title Priority Date Filing Date
CH178672A CH557346A (en) 1969-02-12 1970-02-11 PROCESS FOR THE PREPARATION OF PHARMACEUTICALLY ACTIVE COMPOUNDS.
CH178372A CH551438A (en) 1969-02-12 1970-02-11 PROCESS FOR THE PREPARATION OF PHARMACEUTICALLY ACTIVE COMPOUNDS.
CH178572A CH560712A5 (en) 1969-02-12 1970-02-11
CH178472A CH557811A (en) 1969-02-12 1970-02-11 PROCESS FOR THE PREPARATION OF PHARMACEUTICALLY ACTIVE COMPOUNDS.
CH196970A CH551437A (en) 1969-02-12 1970-02-11 PROCESS FOR THE PREPARATION OF CHROMONE-CARBOXYLIC ACIDS.

Family Applications Before (4)

Application Number Title Priority Date Filing Date
CH178672A CH557346A (en) 1969-02-12 1970-02-11 PROCESS FOR THE PREPARATION OF PHARMACEUTICALLY ACTIVE COMPOUNDS.
CH178372A CH551438A (en) 1969-02-12 1970-02-11 PROCESS FOR THE PREPARATION OF PHARMACEUTICALLY ACTIVE COMPOUNDS.
CH178572A CH560712A5 (en) 1969-02-12 1970-02-11
CH178472A CH557811A (en) 1969-02-12 1970-02-11 PROCESS FOR THE PREPARATION OF PHARMACEUTICALLY ACTIVE COMPOUNDS.

Country Status (9)

Country Link
JP (2) JPS4835266B1 (en)
CH (5) CH557346A (en)
DE (1) DE2006196A1 (en)
DK (1) DK128420B (en)
FR (1) FR2034538B1 (en)
GB (1) GB1291864A (en)
IL (1) IL33846A (en)
NL (1) NL7001922A (en)
SE (1) SE367634B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1362782A (en) * 1970-08-26 1974-08-07 Fisons Ltd Tetrazole derivatives
BE769146A (en) * 1970-07-01 1971-11-03 Takeda Chemical Industries Ltd CHROMON-CARBOXYLIC ACID DERIVATIVES
GB1391615A (en) * 1971-09-30 1975-04-23 Fisons Ltd 4-oxo-4h-1-benzopyran and 4-oxo-4h-1-thia benzopyran derivatives
JPS50112055U (en) * 1974-02-22 1975-09-12
CA1065329A (en) * 1974-11-30 1979-10-30 Richard Hazard Chromone derivatives
US4159273A (en) * 1974-11-30 1979-06-26 Fisons Limited Tricyclic mono-chromone-2-carboxylic acids
ATE25251T1 (en) * 1981-11-12 1987-02-15 Fisons Plc ANTI SRS-A CARBONIC ACID DERIVATIVES, PROCESS FOR THEIR MANUFACTURE AND PHARMACEUTICAL FORMULATIONS CONTAINING THEM.
US4888356A (en) * 1983-08-08 1989-12-19 G. D. Searle And Company Use of substituted dihydrobenzopyrans for allergy and inflammation
US4665203A (en) * 1983-08-08 1987-05-12 G. D. Searle & Co. Substituted dihydrobenzopyrans useful as leukotriene D4 inhibitors
US4778903A (en) * 1983-12-12 1988-10-18 G. D. Searle & Co. Substituted dihydrobenzopyrans
US4565882A (en) * 1984-01-06 1986-01-21 G. D. Searle & Co. Substituted dihydrobenzopyran-2-carboxylates
US4644071A (en) * 1984-07-11 1987-02-17 G. D. Searle & Co. Aralkoxy and aryloxyalkoxy kojic acid derivatives

Also Published As

Publication number Publication date
CH557346A (en) 1974-12-31
JPS4835266B1 (en) 1973-10-26
FR2034538A1 (en) 1970-12-11
NL7001922A (en) 1970-08-14
CH560712A5 (en) 1975-04-15
DE2006196A1 (en) 1970-11-05
FR2034538B1 (en) 1974-08-30
CH551438A (en) 1974-07-15
GB1291864A (en) 1972-10-04
IL33846A (en) 1976-04-30
DK128420B (en) 1974-04-29
CH557811A (en) 1975-01-15
JPS4835267B1 (en) 1973-10-26
SE367634B (en) 1974-06-04
IL33846A0 (en) 1970-04-20

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Legal Events

Date Code Title Description
PL Patent ceased