DK528378A - Fremgangsmaade til fremstilling af benzopyranderivater - Google Patents
Fremgangsmaade til fremstilling af benzopyranderivaterInfo
- Publication number
- DK528378A DK528378A DK528378A DK528378A DK528378A DK 528378 A DK528378 A DK 528378A DK 528378 A DK528378 A DK 528378A DK 528378 A DK528378 A DK 528378A DK 528378 A DK528378 A DK 528378A
- Authority
- DK
- Denmark
- Prior art keywords
- benzopyranda
- derivatives
- procedure
- preparation
- benzopyranda derivatives
- Prior art date
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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyrane 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 |
|---|---|---|---|
| GB4952577 | 1977-11-29 | ||
| GB4952777 | 1977-11-29 | ||
| GB7832082 | 1978-08-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK528378A true DK528378A (da) | 1979-05-30 |
Family
ID=27260092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK528378A DK528378A (da) | 1977-11-29 | 1978-11-27 | Fremgangsmaade til fremstilling af benzopyranderivater |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5498769A (xx) |
| CA (1) | CA1117540A (xx) |
| CH (2) | CH637390A5 (xx) |
| DK (1) | DK528378A (xx) |
| FI (1) | FI783616A (xx) |
| PT (1) | PT68839A (xx) |
| SE (2) | SE7812089L (xx) |
-
1978
- 1978-11-23 SE SE7812089A patent/SE7812089L/xx unknown
- 1978-11-27 CA CA000316937A patent/CA1117540A/en not_active Expired
- 1978-11-27 FI FI783616A patent/FI783616A/fi unknown
- 1978-11-27 DK DK528378A patent/DK528378A/da not_active Application Discontinuation
- 1978-11-28 PT PT68839A patent/PT68839A/pt unknown
- 1978-11-28 CH CH1218478A patent/CH637390A5/fr not_active IP Right Cessation
- 1978-11-29 JP JP14669478A patent/JPS5498769A/ja active Pending
-
1983
- 1983-03-15 CH CH143383A patent/CH639968A5/fr not_active IP Right Cessation
- 1983-09-16 SE SE8304996A patent/SE8304996L/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| CH637390A5 (en) | 1983-07-29 |
| SE7812089L (sv) | 1979-05-30 |
| SE8304996D0 (sv) | 1983-09-16 |
| JPS5498769A (en) | 1979-08-03 |
| CA1117540A (en) | 1982-02-02 |
| PT68839A (fr) | 1978-12-01 |
| FI783616A (fi) | 1979-05-30 |
| SE8304996L (sv) | 1983-09-16 |
| CH639968A5 (en) | 1983-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHB | Application shelved due to non-payment |