CH575939A5 - - Google Patents
Info
- Publication number
- CH575939A5 CH575939A5 CH695872A CH695872A CH575939A5 CH 575939 A5 CH575939 A5 CH 575939A5 CH 695872 A CH695872 A CH 695872A CH 695872 A CH695872 A CH 695872A CH 575939 A5 CH575939 A5 CH 575939A5
- Authority
- CH
- Switzerland
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
- C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
- C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
- C07D311/16—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7
-
- 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
- C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pyrane Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1422671A GB1389822A (en) | 1971-05-11 | 1971-05-11 | Substituted benzopyrans and processes for their preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH575939A5 true CH575939A5 (xx) | 1976-05-31 |
Family
ID=10037331
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH695972A CH575940A5 (xx) | 1971-05-11 | 1972-05-10 | |
| CH695872A CH575939A5 (xx) | 1971-05-11 | 1972-05-10 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH695972A CH575940A5 (xx) | 1971-05-11 | 1972-05-10 |
Country Status (9)
| Country | Link |
|---|---|
| AU (1) | AU466870B2 (xx) |
| BE (1) | BE783217A (xx) |
| CA (1) | CA996942A (xx) |
| CH (2) | CH575940A5 (xx) |
| DE (1) | DE2222926A1 (xx) |
| ES (2) | ES402381A1 (xx) |
| FR (1) | FR2150673B1 (xx) |
| GB (1) | GB1389822A (xx) |
| NL (2) | NL7205761A (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100799246B1 (ko) * | 2006-12-13 | 2008-01-29 | 재단법인서울대학교산학협력재단 | 벤조피란을 중심구조로 갖는 화합물 및 이의 제조방법 |
-
1971
- 1971-05-11 GB GB1422671A patent/GB1389822A/en not_active Expired
-
1972
- 1972-04-27 NL NL7205761A patent/NL7205761A/xx unknown
- 1972-04-27 NL NL7205760A patent/NL7205760A/xx unknown
- 1972-05-04 ES ES402381A patent/ES402381A1/es not_active Expired
- 1972-05-04 ES ES402382A patent/ES402382A1/es not_active Expired
- 1972-05-05 FR FR7216095A patent/FR2150673B1/fr not_active Expired
- 1972-05-09 BE BE783217A patent/BE783217A/xx unknown
- 1972-05-09 CA CA141,706A patent/CA996942A/en not_active Expired
- 1972-05-10 CH CH695972A patent/CH575940A5/xx not_active IP Right Cessation
- 1972-05-10 CH CH695872A patent/CH575939A5/xx not_active IP Right Cessation
- 1972-05-10 DE DE19722222926 patent/DE2222926A1/de active Pending
- 1972-05-11 AU AU42195/72A patent/AU466870B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7205760A (xx) | 1972-11-14 |
| ES402382A1 (es) | 1975-04-01 |
| ES402381A1 (es) | 1975-04-01 |
| CA996942A (en) | 1976-09-14 |
| FR2150673A1 (xx) | 1973-04-13 |
| BE783217A (fr) | 1972-11-09 |
| AU466870B2 (en) | 1975-11-13 |
| NL7205761A (xx) | 1972-11-14 |
| DE2222926A1 (de) | 1972-11-23 |
| GB1389822A (en) | 1975-04-09 |
| FR2150673B1 (xx) | 1976-04-16 |
| AU4219572A (en) | 1973-11-15 |
| CH575940A5 (xx) | 1976-05-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |