NL82756C - - Google Patents
Info
- Publication number
- NL82756C NL82756C NL82756DA NL82756C NL 82756 C NL82756 C NL 82756C NL 82756D A NL82756D A NL 82756DA NL 82756 C NL82756 C NL 82756C
- Authority
- NL
- Netherlands
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)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1072431X | 1951-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL82756C true NL82756C (ja�@�@) |
Family
ID=4555946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL82756D NL82756C (ja�@�@) | 1951-11-19 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE515630A (ja�@�@) |
| DE (1) | DE911371C (ja�@�@) |
| FR (1) | FR1072431A (ja�@�@) |
| NL (1) | NL82756C (ja�@�@) |
-
0
- NL NL82756D patent/NL82756C/xx active
- BE BE515630D patent/BE515630A/fr unknown
-
1952
- 1952-11-14 DE DEG10215A patent/DE911371C/de not_active Expired
- 1952-11-18 FR FR1072431D patent/FR1072431A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE911371C (de) | 1954-05-13 |
| FR1072431A (fr) | 1954-09-13 |
| BE515630A (ja�@�@) |