DK138323B - Fremgangsmåde til fremstilling af bis-chromonylforbindelser. - Google Patents
Fremgangsmåde til fremstilling af bis-chromonylforbindelser.Info
- Publication number
- DK138323B DK138323B DK287073AA DK287073A DK138323B DK 138323 B DK138323 B DK 138323B DK 287073A A DK287073A A DK 287073AA DK 287073 A DK287073 A DK 287073A DK 138323 B DK138323 B DK 138323B
- Authority
- DK
- Denmark
- Prior art keywords
- bis
- preparation
- chromonyl compounds
- chromonyl
- compounds
- Prior art date
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
- C07D311/22—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
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pyrane Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2465772 | 1972-05-25 | ||
| GB2623872 | 1972-06-06 | ||
| GB2848072 | 1972-06-17 | ||
| GB659373 | 1973-02-09 | ||
| GB690073*[A GB1428676A (en) | 1972-05-25 | 1973-02-13 | Process for the production of bis-chromone derivatives |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK138323B true DK138323B (da) | 1978-08-14 |
| DK138323C DK138323C (da) | 1979-01-29 |
Family
ID=27515805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK287073AA DK138323B (da) | 1972-05-25 | 1973-05-24 | Fremgangsmåde til fremstilling af bis-chromonylforbindelser. |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5753354B2 (da) |
| AU (1) | AU476254B2 (da) |
| CA (1) | CA1026761A (da) |
| CH (2) | CH585217A5 (da) |
| DE (1) | DE2326227A1 (da) |
| DK (1) | DK138323B (da) |
| FR (1) | FR2185409B1 (da) |
| GB (1) | GB1428676A (da) |
| NL (1) | NL7307253A (da) |
| SE (2) | SE399262B (da) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5659051A (en) * | 1993-07-13 | 1997-08-19 | Sumitomo Chemical Company, Limited | Process of producing 2-cyano-4-oxo-4H-benzopyran compounds |
| US8088935B2 (en) | 2003-12-23 | 2012-01-03 | Ironwood Pharmaceuticals, Inc. | Compounds and methods for the treatment of asthma |
-
1973
- 1973-02-13 GB GB690073*[A patent/GB1428676A/en not_active Expired
- 1973-05-22 FR FR7318460A patent/FR2185409B1/fr not_active Expired
- 1973-05-23 DE DE2326227A patent/DE2326227A1/de not_active Withdrawn
- 1973-05-24 SE SE7307357A patent/SE399262B/xx unknown
- 1973-05-24 NL NL7307253A patent/NL7307253A/xx not_active Application Discontinuation
- 1973-05-24 CH CH746273A patent/CH585217A5/xx not_active IP Right Cessation
- 1973-05-24 AU AU56114/73A patent/AU476254B2/en not_active Expired
- 1973-05-24 CA CA172,340A patent/CA1026761A/en not_active Expired
- 1973-05-24 CH CH1086076A patent/CH583726A5/xx not_active IP Right Cessation
- 1973-05-24 DK DK287073AA patent/DK138323B/da unknown
- 1973-05-25 JP JP48057915A patent/JPS5753354B2/ja not_active Expired
-
1976
- 1976-05-17 SE SE7605592A patent/SE425737B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE399262B (sv) | 1978-02-06 |
| NL7307253A (da) | 1973-11-27 |
| CH585217A5 (da) | 1977-02-28 |
| JPS5753354B2 (da) | 1982-11-12 |
| SE7605592L (sv) | 1976-05-17 |
| AU5611473A (en) | 1974-11-28 |
| SE425737B (sv) | 1982-11-01 |
| CA1026761A (en) | 1978-02-21 |
| DK138323C (da) | 1979-01-29 |
| JPS4948670A (da) | 1974-05-11 |
| DE2326227A1 (de) | 1974-02-14 |
| GB1428676A (en) | 1976-03-17 |
| AU476254B2 (en) | 1976-09-16 |
| CH583726A5 (da) | 1977-01-14 |
| FR2185409B1 (da) | 1977-01-28 |
| FR2185409A1 (da) | 1974-01-04 |
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