JPS5619348B2 - - Google Patents
Info
- Publication number
- JPS5619348B2 JPS5619348B2 JP7306672A JP7306672A JPS5619348B2 JP S5619348 B2 JPS5619348 B2 JP S5619348B2 JP 7306672 A JP7306672 A JP 7306672A JP 7306672 A JP7306672 A JP 7306672A JP S5619348 B2 JPS5619348 B2 JP S5619348B2
- Authority
- JP
- Japan
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/04—Ortho-condensed systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P11/00—Drugs for disorders of the respiratory system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/08—Antiallergic agents
-
- 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
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Immunology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3457471A GB1389827A (en) | 1971-07-23 | 1971-07-23 | Tetrazolyl benzopyrans |
| GB3457571 | 1971-07-23 | ||
| GB5081671 | 1971-11-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4832872A JPS4832872A (en) | 1973-05-02 |
| JPS5619348B2 true JPS5619348B2 (en) | 1981-05-07 |
Family
ID=27259221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7306672A Expired JPS5619348B2 (en) | 1971-07-23 | 1972-07-22 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5619348B2 (en) |
| CH (1) | CH548414A (en) |
| DE (1) | DE2235572A1 (en) |
| FR (1) | FR2147087B1 (en) |
| GB (1) | GB1389827A (en) |
| NL (1) | NL7210105A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6330763Y2 (en) * | 1981-08-21 | 1988-08-17 | ||
| JPH01169561U (en) * | 1988-05-18 | 1989-11-30 | ||
| JPH0715346U (en) * | 1993-08-24 | 1995-03-14 | カシオ計算機株式会社 | Remaining amount indicator for recording paper |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8402577D0 (en) * | 1984-02-01 | 1984-03-07 | Fisons Plc | Nitrogen heterocyclic compounds |
| DE3571439D1 (en) * | 1984-01-26 | 1989-08-17 | Fisons Plc | Benzopyran derivatives, compositions containing them and processes for their preparation |
| JPS6369753A (en) * | 1986-09-11 | 1988-03-29 | 富士電気化学株式会社 | Ferrite composition |
| GB9110636D0 (en) * | 1991-05-16 | 1991-07-03 | Glaxo Group Ltd | Chemical compounds |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE759292A (en) * | 1969-11-27 | 1971-05-24 | Allen & Hanburys Ltd | XANTHONE DERIVATIVES, THEIR PREPARATION AND THEIR USE |
-
1971
- 1971-07-23 GB GB3457471A patent/GB1389827A/en not_active Expired
-
1972
- 1972-07-20 DE DE2235572A patent/DE2235572A1/en not_active Withdrawn
- 1972-07-21 NL NL7210105A patent/NL7210105A/xx unknown
- 1972-07-21 CH CH1091272A patent/CH548414A/en not_active IP Right Cessation
- 1972-07-21 FR FR7226297A patent/FR2147087B1/fr not_active Expired
- 1972-07-22 JP JP7306672A patent/JPS5619348B2/ja not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6330763Y2 (en) * | 1981-08-21 | 1988-08-17 | ||
| JPH01169561U (en) * | 1988-05-18 | 1989-11-30 | ||
| JPH0715346U (en) * | 1993-08-24 | 1995-03-14 | カシオ計算機株式会社 | Remaining amount indicator for recording paper |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2235572A1 (en) | 1973-02-08 |
| CH548414A (en) | 1974-04-30 |
| NL7210105A (en) | 1973-01-25 |
| FR2147087A1 (en) | 1973-03-09 |
| FR2147087B1 (en) | 1976-05-14 |
| GB1389827A (en) | 1975-04-09 |
| JPS4832872A (en) | 1973-05-02 |