AT277991B - Process for the production of new coumarin derivatives - Google Patents
Process for the production of new coumarin derivativesInfo
- Publication number
- AT277991B AT277991B AT920868A AT920868A AT277991B AT 277991 B AT277991 B AT 277991B AT 920868 A AT920868 A AT 920868A AT 920868 A AT920868 A AT 920868A AT 277991 B AT277991 B AT 277991B
- Authority
- AT
- Austria
- Prior art keywords
- production
- coumarin derivatives
- new coumarin
- new
- derivatives
- Prior art date
Links
- 150000001893 coumarin derivatives Chemical class 0.000 title 1
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
- C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
- C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
- C07D311/16—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyrane Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEC0043388 | 1967-09-21 | ||
| DEC0043426 | 1967-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT277991B true AT277991B (en) | 1970-01-12 |
Family
ID=25970389
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT920868A AT277991B (en) | 1967-09-21 | 1968-09-20 | Process for the production of new coumarin derivatives |
| AT920268A AT277990B (en) | 1967-09-21 | 1968-09-20 | Process for the production of new coumarin derivatives |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT920268A AT277990B (en) | 1967-09-21 | 1968-09-20 | Process for the production of new coumarin derivatives |
Country Status (3)
| Country | Link |
|---|---|
| AT (2) | AT277991B (en) |
| BE (1) | BE720007A (en) |
| ES (1) | ES359721A1 (en) |
-
1968
- 1968-08-27 BE BE720007D patent/BE720007A/xx unknown
- 1968-08-30 ES ES359721A patent/ES359721A1/en not_active Expired
- 1968-09-20 AT AT920868A patent/AT277991B/en not_active IP Right Cessation
- 1968-09-20 AT AT920268A patent/AT277990B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ES359721A1 (en) | 1970-09-16 |
| BE720007A (en) | 1969-02-27 |
| AT277990B (en) | 1970-01-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |