SE357739B - - Google Patents
Info
- Publication number
- SE357739B SE357739B SE02098/69A SE209869A SE357739B SE 357739 B SE357739 B SE 357739B SE 02098/69 A SE02098/69 A SE 02098/69A SE 209869 A SE209869 A SE 209869A SE 357739 B SE357739 B SE 357739B
- Authority
- SE
- Sweden
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 |
|---|---|---|---|
| GB7590/68A GB1256354A (en) | 1968-02-16 | 1968-02-16 | Process for the production of bis-chromones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE357739B true SE357739B (de) | 1973-07-09 |
Family
ID=9836055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE02098/69A SE357739B (de) | 1968-02-16 | 1969-02-14 |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS4946623B1 (de) |
| AT (1) | AT307416B (de) |
| BR (1) | BR6906422D0 (de) |
| CH (1) | CH503676A (de) |
| ES (1) | ES363708A1 (de) |
| GB (1) | GB1256354A (de) |
| IL (1) | IL31560A0 (de) |
| NL (1) | NL6902251A (de) |
| SE (1) | SE357739B (de) |
-
1968
- 1968-02-16 GB GB7590/68A patent/GB1256354A/en not_active Expired
-
1969
- 1969-02-05 IL IL31560A patent/IL31560A0/xx unknown
- 1969-02-11 AT AT136069A patent/AT307416B/de not_active IP Right Cessation
- 1969-02-14 CH CH231769A patent/CH503676A/fr not_active IP Right Cessation
- 1969-02-14 SE SE02098/69A patent/SE357739B/xx unknown
- 1969-02-14 BR BR206422/69A patent/BR6906422D0/pt unknown
- 1969-02-15 ES ES363708A patent/ES363708A1/es not_active Expired
- 1969-02-24 NL NL6902251A patent/NL6902251A/xx unknown
-
1970
- 1970-12-14 JP JP45110631A patent/JPS4946623B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ES363708A1 (es) | 1971-01-01 |
| AT307416B (de) | 1973-05-25 |
| JPS4946623B1 (de) | 1974-12-11 |
| NL6902251A (de) | 1969-08-19 |
| BR6906422D0 (pt) | 1973-01-16 |
| IL31560A0 (en) | 1969-04-30 |
| GB1256354A (en) | 1971-12-08 |
| CH503676A (fr) | 1971-02-28 |