ZA757512B - Tricyclic monochromone 2-carboxylic acids - Google Patents

Tricyclic monochromone 2-carboxylic acids

Info

Publication number
ZA757512B
ZA757512B ZA757512A ZA757512A ZA757512B ZA 757512 B ZA757512 B ZA 757512B ZA 757512 A ZA757512 A ZA 757512A ZA 757512 A ZA757512 A ZA 757512A ZA 757512 B ZA757512 B ZA 757512B
Authority
ZA
South Africa
Prior art keywords
monochromone
tricyclic
carboxylic acids
carboxylic
acids
Prior art date
Application number
ZA757512A
Inventor
R Brown
R Hazard
J Mann
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 ZA757512B publication Critical patent/ZA757512B/en

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
    • C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
    • 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
    • C07D311/74—Benzo[b]pyrans, hydrogenated in the carbocyclic ring
    • 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
    • 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
ZA757512A 1974-11-30 1975-11-28 Tricyclic monochromone 2-carboxylic acids ZA757512B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB51944/74A GB1517153A (en) 1974-11-30 1974-11-30 Naphthopyran-and benzodipyran-2-carboxylic acids and derivatives thereof

Publications (1)

Publication Number Publication Date
ZA757512B true ZA757512B (en) 1977-02-23

Family

ID=10462069

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA757512A ZA757512B (en) 1974-11-30 1975-11-28 Tricyclic monochromone 2-carboxylic acids

Country Status (4)

Country Link
BE (1) BE836121A (en)
GB (1) GB1517153A (en)
MW (1) MW6275A1 (en)
ZA (1) ZA757512B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1560489A (en) 1976-05-21 1980-02-06 Fisons Ltd Pharmaceutical compositions
JPS5424895A (en) * 1977-07-28 1979-02-24 Eisai Co Ltd Pyranochromone derivatives and remedies for allergic disorder
GB1595220A (en) * 1977-12-23 1981-08-12 Fisons Ltd Tablets containing 1,3-bis(2-carboxychromon-5-yloxy)-2-hydroxypropane

Also Published As

Publication number Publication date
BE836121A (en) 1976-05-28
MW6275A1 (en) 1976-07-14
GB1517153A (en) 1978-07-12

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