BE522570A - - Google Patents
Info
- Publication number
- BE522570A BE522570A BE522570DA BE522570A BE 522570 A BE522570 A BE 522570A BE 522570D A BE522570D A BE 522570DA BE 522570 A BE522570 A BE 522570A
- Authority
- BE
- Belgium
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyrane Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL736388X | 1952-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE522570A true BE522570A (en:Method) |
Family
ID=19820413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE522570D BE522570A (en:Method) | 1952-10-15 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE522570A (en:Method) |
| DE (1) | DE964599C (en:Method) |
| FR (1) | FR1090729A (en:Method) |
| GB (1) | GB736388A (en:Method) |
| NL (1) | NL80005C (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3358031A (en) * | 1966-02-09 | 1967-12-12 | Monsanto Co | Substituted benzylidene cyclohexanediones |
-
0
- BE BE522570D patent/BE522570A/xx unknown
- NL NL80005D patent/NL80005C/xx active
-
1953
- 1953-09-15 GB GB25434/53A patent/GB736388A/en not_active Expired
- 1953-10-07 FR FR1090729D patent/FR1090729A/fr not_active Expired
- 1953-10-15 DE DEN7892A patent/DE964599C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB736388A (en) | 1955-09-07 |
| NL80005C (en:Method) | |
| DE964599C (de) | 1957-05-23 |
| FR1090729A (fr) | 1955-04-04 |