FR2128784B1 - - Google Patents
Info
- Publication number
- FR2128784B1 FR2128784B1 FR7208274A FR7208274A FR2128784B1 FR 2128784 B1 FR2128784 B1 FR 2128784B1 FR 7208274 A FR7208274 A FR 7208274A FR 7208274 A FR7208274 A FR 7208274A FR 2128784 B1 FR2128784 B1 FR 2128784B1
- 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
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
- C07D307/89—Benzo [c] furans; Hydrogenated benzo [c] furans with two oxygen atoms directly attached in positions 1 and 3
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Furan Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12307571A | 1971-03-10 | 1971-03-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2128784A1 FR2128784A1 (member.php) | 1972-10-20 |
| FR2128784B1 true FR2128784B1 (member.php) | 1975-10-24 |
Family
ID=22406572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7208274A Expired FR2128784B1 (member.php) | 1971-03-10 | 1972-03-09 |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA990304A (member.php) |
| DE (1) | DE2211402A1 (member.php) |
| FR (1) | FR2128784B1 (member.php) |
| GB (1) | GB1383054A (member.php) |
| IT (1) | IT948766B (member.php) |
-
1972
- 1972-02-23 CA CA135,384A patent/CA990304A/en not_active Expired
- 1972-02-29 IT IT4862272A patent/IT948766B/it active
- 1972-03-09 FR FR7208274A patent/FR2128784B1/fr not_active Expired
- 1972-03-09 GB GB1115172A patent/GB1383054A/en not_active Expired
- 1972-03-09 DE DE19722211402 patent/DE2211402A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA990304A (en) | 1976-06-01 |
| GB1383054A (en) | 1975-02-05 |
| FR2128784A1 (member.php) | 1972-10-20 |
| DE2211402A1 (de) | 1972-09-28 |
| IT948766B (it) | 1973-06-11 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |