JPS4992071A - - Google Patents
Info
- Publication number
- JPS4992071A JPS4992071A JP48099370A JP9937073A JPS4992071A JP S4992071 A JPS4992071 A JP S4992071A JP 48099370 A JP48099370 A JP 48099370A JP 9937073 A JP9937073 A JP 9937073A JP S4992071 A JPS4992071 A JP S4992071A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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)
- Pyrane Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4107172 | 1972-09-05 | ||
| GB191973A GB1439584A (en) | 1972-09-05 | 1973-01-13 | Preparation of benzopyran derivatives |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4992071A true JPS4992071A (en) | 1974-09-03 |
| JPS5753355B2 JPS5753355B2 (en) | 1982-11-12 |
Family
ID=26237070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48099370A Expired JPS5753355B2 (en) | 1972-09-05 | 1973-09-05 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5753355B2 (en) |
| CA (1) | CA1018986A (en) |
| CH (1) | CH582687A5 (en) |
| GB (1) | GB1439584A (en) |
| SE (1) | SE400079B (en) |
-
1973
- 1973-01-13 GB GB191973A patent/GB1439584A/en not_active Expired
- 1973-09-04 SE SE7312037A patent/SE400079B/en unknown
- 1973-09-04 CA CA180,207A patent/CA1018986A/en not_active Expired
- 1973-09-04 CH CH1268273A patent/CH582687A5/xx not_active IP Right Cessation
- 1973-09-05 JP JP48099370A patent/JPS5753355B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1018986A (en) | 1977-10-11 |
| JPS5753355B2 (en) | 1982-11-12 |
| GB1439584A (en) | 1976-06-16 |
| SE400079B (en) | 1978-03-13 |
| CH582687A5 (en) | 1976-12-15 |