FR1229604A - - Google Patents
Info
- Publication number
- FR1229604A FR1229604A FR1229604DA FR1229604A FR 1229604 A FR1229604 A FR 1229604A FR 1229604D A FR1229604D A FR 1229604DA FR 1229604 A FR1229604 A FR 1229604A
- 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
- C07D311/42—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4
- C07D311/44—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3
- C07D311/46—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3 unsubstituted in the carbocyclic ring
- C07D311/48—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3 unsubstituted in the carbocyclic ring with two such benzopyran radicals linked together by a carbon chain
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS326368X | 1953-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1229604A true FR1229604A (pt) | 1960-09-08 |
Family
ID=5452206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1229604D Expired FR1229604A (pt) | 1953-07-23 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE530545A (pt) |
| CH (1) | CH326368A (pt) |
| DE (1) | DE964326C (pt) |
| FR (1) | FR1229604A (pt) |
| GB (1) | GB786065A (pt) |
| NL (2) | NL88453C (pt) |
-
0
- FR FR1229604D patent/FR1229604A/fr not_active Expired
- BE BE530545D patent/BE530545A/xx unknown
- NL NLAANVRAGE8601840,A patent/NL189445B/xx unknown
- NL NL88453D patent/NL88453C/xx active
-
1954
- 1954-07-11 DE DES39951A patent/DE964326C/de not_active Expired
- 1954-07-13 CH CH326368D patent/CH326368A/de unknown
- 1954-07-22 GB GB21427/54A patent/GB786065A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL88453C (pt) | |
| BE530545A (pt) | |
| DE964326C (de) | 1957-05-23 |
| CH326368A (de) | 1957-12-15 |
| NL189445B (nl) | |
| GB786065A (en) | 1957-11-13 |