FR2140603B1 - - Google Patents
Info
- Publication number
- FR2140603B1 FR2140603B1 FR7220769A FR7220769A FR2140603B1 FR 2140603 B1 FR2140603 B1 FR 2140603B1 FR 7220769 A FR7220769 A FR 7220769A FR 7220769 A FR7220769 A FR 7220769A FR 2140603 B1 FR2140603 B1 FR 2140603B1
- Authority
- FR
- France
- 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.)
- Expired
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)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1983771 | 1971-06-10 | ||
| GB4547271 | 1971-09-30 | ||
| GB522772*[A GB1382247A (en) | 1971-06-10 | 1972-02-04 | Benzopyran derivatives |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2140603A1 FR2140603A1 (xx) | 1973-01-19 |
| FR2140603B1 true FR2140603B1 (xx) | 1976-03-05 |
Family
ID=27254604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7220769A Expired FR2140603B1 (xx) | 1971-06-10 | 1972-06-09 |
Country Status (8)
| Country | Link |
|---|---|
| CA (1) | CA962689A (xx) |
| CH (2) | CH552582A (xx) |
| DE (1) | DE2228075A1 (xx) |
| FR (1) | FR2140603B1 (xx) |
| GB (1) | GB1382247A (xx) |
| IL (1) | IL39467A (xx) |
| NL (1) | NL7208007A (xx) |
| SE (1) | SE375773B (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1448980A (en) * | 1973-01-19 | 1976-09-08 | Fisons Ltd | Unsymmetrically substituted bis-chromones |
-
1972
- 1972-02-04 GB GB522772*[A patent/GB1382247A/en not_active Expired
- 1972-05-17 IL IL7239467A patent/IL39467A/en unknown
- 1972-05-25 CA CA142,944A patent/CA962689A/en not_active Expired
- 1972-06-09 CH CH863272A patent/CH552582A/fr not_active IP Right Cessation
- 1972-06-09 CH CH296774A patent/CH557812A/fr not_active IP Right Cessation
- 1972-06-09 DE DE19722228075 patent/DE2228075A1/de active Pending
- 1972-06-09 FR FR7220769A patent/FR2140603B1/fr not_active Expired
- 1972-06-09 SE SE7207661A patent/SE375773B/xx unknown
- 1972-06-12 NL NL7208007A patent/NL7208007A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH552582A (fr) | 1974-08-15 |
| FR2140603A1 (xx) | 1973-01-19 |
| IL39467A0 (en) | 1972-07-26 |
| SE375773B (xx) | 1975-04-28 |
| NL7208007A (xx) | 1972-12-12 |
| DE2228075A1 (de) | 1972-12-21 |
| IL39467A (en) | 1974-12-31 |
| CA962689A (en) | 1975-02-11 |
| CH557812A (fr) | 1975-01-15 |
| GB1382247A (en) | 1975-01-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |