NL6912820A - - Google Patents
Info
- Publication number
- NL6912820A NL6912820A NL6912820A NL6912820A NL6912820A NL 6912820 A NL6912820 A NL 6912820A NL 6912820 A NL6912820 A NL 6912820A NL 6912820 A NL6912820 A NL 6912820A NL 6912820 A NL6912820 A NL 6912820A
- 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
- C07D311/22—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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyrane Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB40159/68A GB1271364A (en) | 1968-08-22 | 1968-08-22 | Process for the production of chromones and intermediates therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6912820A true NL6912820A (enExample) | 1970-02-24 |
Family
ID=10413477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6912820A NL6912820A (enExample) | 1968-08-22 | 1969-08-22 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS4819313B1 (enExample) |
| CA (1) | CA952119A (enExample) |
| CH (1) | CH519452A (enExample) |
| GB (1) | GB1271364A (enExample) |
| IL (1) | IL32794A0 (enExample) |
| NL (1) | NL6912820A (enExample) |
| SE (1) | SE372940B (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52116608A (en) * | 1976-03-26 | 1977-09-30 | Tobishima Construct Co Ltd | Method that build compartment in building |
| JPS52118915A (en) * | 1976-03-31 | 1977-10-05 | Matsushita Electric Works Ltd | Shed wind partition |
| JPS5499338U (enExample) * | 1977-12-23 | 1979-07-13 | ||
| JPS54130708U (enExample) * | 1978-03-03 | 1979-09-11 | ||
| JPS5570539U (enExample) * | 1978-11-06 | 1980-05-15 |
-
1968
- 1968-08-22 GB GB40159/68A patent/GB1271364A/en not_active Expired
-
1969
- 1969-08-07 IL IL32794A patent/IL32794A0/xx unknown
- 1969-08-21 CA CA060,086A patent/CA952119A/en not_active Expired
- 1969-08-21 SE SE6911624A patent/SE372940B/xx unknown
- 1969-08-22 NL NL6912820A patent/NL6912820A/xx unknown
- 1969-08-22 JP JP44066047A patent/JPS4819313B1/ja active Pending
- 1969-08-22 CH CH1282269A patent/CH519452A/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CA952119A (en) | 1974-07-30 |
| CH519452A (fr) | 1972-02-29 |
| SE372940B (enExample) | 1975-01-20 |
| JPS4819313B1 (enExample) | 1973-06-12 |
| GB1271364A (en) | 1972-04-19 |
| IL32794A0 (en) | 1969-11-12 |