FR2272658A1 - Tricyclic chromone derivs - useful for treating allergies and asthma - Google Patents
Tricyclic chromone derivs - useful for treating allergies and asthmaInfo
- Publication number
- FR2272658A1 FR2272658A1 FR7516608A FR7516608A FR2272658A1 FR 2272658 A1 FR2272658 A1 FR 2272658A1 FR 7516608 A FR7516608 A FR 7516608A FR 7516608 A FR7516608 A FR 7516608A FR 2272658 A1 FR2272658 A1 FR 2272658A1
- Authority
- FR
- France
- Prior art keywords
- opt
- chromone
- derivs
- substd
- tricyclic
- 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.)
- Withdrawn
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
-
- 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
- C07D311/94—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 condensed with rings other than six-membered or with ring systems containing such rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyrane Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH745474 | 1974-05-30 | ||
CH443775 | 1975-04-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2272658A1 true FR2272658A1 (en) | 1975-12-26 |
Family
ID=25695470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7516608A Withdrawn FR2272658A1 (en) | 1974-05-30 | 1975-05-28 | Tricyclic chromone derivs - useful for treating allergies and asthma |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS511476A (fr) |
DE (1) | DE2523194A1 (fr) |
DK (1) | DK174775A (fr) |
FR (1) | FR2272658A1 (fr) |
IL (1) | IL47374A0 (fr) |
NL (1) | NL7506373A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4116971A (en) * | 1977-08-15 | 1978-09-26 | Warner-Lambert Company | 3-(1h-tetrazol-5-yl)chromones |
-
1975
- 1975-04-23 DK DK174775A patent/DK174775A/da unknown
- 1975-05-26 DE DE19752523194 patent/DE2523194A1/de active Pending
- 1975-05-28 IL IL47374A patent/IL47374A0/xx unknown
- 1975-05-28 FR FR7516608A patent/FR2272658A1/fr not_active Withdrawn
- 1975-05-29 NL NL7506373A patent/NL7506373A/xx unknown
- 1975-05-30 JP JP50064431A patent/JPS511476A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS511476A (en) | 1976-01-08 |
NL7506373A (nl) | 1975-12-02 |
IL47374A0 (en) | 1975-07-28 |
DE2523194A1 (de) | 1975-12-11 |
DK174775A (da) | 1975-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Withdrawal of published application |