AT298487B - Verfahren zur Herstellung von substituierten Benzopyranen - Google Patents
Verfahren zur Herstellung von substituierten BenzopyranenInfo
- Publication number
- AT298487B AT298487B AT926270A AT926270A AT298487B AT 298487 B AT298487 B AT 298487B AT 926270 A AT926270 A AT 926270A AT 926270 A AT926270 A AT 926270A AT 298487 B AT298487 B AT 298487B
- Authority
- AT
- Austria
- Prior art keywords
- preparation
- substituted benzopyrans
- benzopyrans
- substituted
- Prior art date
Links
- 150000001562 benzopyrans Chemical class 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB50703/69A GB1280044A (en) | 1969-10-15 | 1969-10-15 | Preparation of pyridyl chromenols |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT298487B true AT298487B (de) | 1972-05-10 |
Family
ID=10457014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT926270A AT298487B (de) | 1969-10-15 | 1970-10-14 | Verfahren zur Herstellung von substituierten Benzopyranen |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT298487B (enrdf_load_stackoverflow) |
| BE (1) | BE757454R (enrdf_load_stackoverflow) |
| DE (1) | DE2050496A1 (enrdf_load_stackoverflow) |
| ES (1) | ES384217A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2070131B2 (enrdf_load_stackoverflow) |
| GB (1) | GB1280044A (enrdf_load_stackoverflow) |
| IE (1) | IE34540B1 (enrdf_load_stackoverflow) |
| NL (1) | NL7014946A (enrdf_load_stackoverflow) |
| ZA (1) | ZA706821B (enrdf_load_stackoverflow) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1770171C3 (de) * | 1967-04-14 | 1979-08-30 | Beecham Group Ltd., Brentford, Mddlesex (Grossbritannien) | 2,2-Dimethyl-7-alkyl-4-(4-pyridyl)-2H-chromen-5-ole, Verfahren zu ihrer Herstellung und diese Verbindungen enthaltende Arzneipräparate |
-
0
- BE BE757454D patent/BE757454R/xx active
-
1969
- 1969-10-15 GB GB50703/69A patent/GB1280044A/en not_active Expired
-
1970
- 1970-09-21 IE IE1218/70A patent/IE34540B1/xx unknown
- 1970-10-02 ES ES384217A patent/ES384217A1/es not_active Expired
- 1970-10-07 ZA ZA706821A patent/ZA706821B/xx unknown
- 1970-10-12 NL NL7014946A patent/NL7014946A/xx unknown
- 1970-10-13 FR FR7036865A patent/FR2070131B2/fr not_active Expired
- 1970-10-14 DE DE19702050496 patent/DE2050496A1/de active Pending
- 1970-10-14 AT AT926270A patent/AT298487B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ES384217A1 (es) | 1973-01-16 |
| BE757454R (fr) | 1971-04-13 |
| NL7014946A (enrdf_load_stackoverflow) | 1971-04-19 |
| DE2050496A1 (de) | 1971-04-22 |
| IE34540B1 (en) | 1975-06-11 |
| IE34540L (en) | 1971-04-15 |
| FR2070131B2 (enrdf_load_stackoverflow) | 1974-09-20 |
| GB1280044A (en) | 1972-07-05 |
| FR2070131A2 (enrdf_load_stackoverflow) | 1971-09-10 |
| ZA706821B (en) | 1971-12-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |