ZA733899B - New benzopyran derivatives - Google Patents
New benzopyran derivativesInfo
- Publication number
- ZA733899B ZA733899B ZA733899A ZA733899A ZA733899B ZA 733899 B ZA733899 B ZA 733899B ZA 733899 A ZA733899 A ZA 733899A ZA 733899 A ZA733899 A ZA 733899A ZA 733899 B ZA733899 B ZA 733899B
- Authority
- ZA
- South Africa
- Prior art keywords
- benzopyran derivatives
- new benzopyran
- new
- derivatives
- benzopyran
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/44—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring 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
- C07D311/94—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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Steroid Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2228473A DE2228473C3 (en) | 1972-06-08 | 1972-06-08 | Process for the preparation of cyclopenta- [f] [l] -benzopyran derivatives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA733899B true ZA733899B (en) | 1974-05-29 |
Family
ID=5847483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA733899A ZA733899B (en) | 1972-06-08 | 1973-06-08 | New benzopyran derivatives |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE800715R (en) |
| DE (1) | DE2228473C3 (en) |
| ZA (1) | ZA733899B (en) |
-
1972
- 1972-06-08 DE DE2228473A patent/DE2228473C3/en not_active Expired
-
1973
- 1973-06-08 ZA ZA733899A patent/ZA733899B/en unknown
- 1973-06-08 BE BE132100A patent/BE800715R/en active
Also Published As
| Publication number | Publication date |
|---|---|
| BE800715R (en) | 1973-12-10 |
| DE2228473C3 (en) | 1982-06-16 |
| DE2228473A1 (en) | 1973-12-20 |
| DE2228473B2 (en) | 1981-10-15 |
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