GB8909278D0 - Benzopyran derivatives and processes for preparation thereof - Google Patents
Benzopyran derivatives and processes for preparation thereofInfo
- Publication number
- GB8909278D0 GB8909278D0 GB898909278A GB8909278A GB8909278D0 GB 8909278 D0 GB8909278 D0 GB 8909278D0 GB 898909278 A GB898909278 A GB 898909278A GB 8909278 A GB8909278 A GB 8909278A GB 8909278 D0 GB8909278 D0 GB 8909278D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- processes
- preparation
- benzopyran derivatives
- benzopyran
- derivatives
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898909278A GB8909278D0 (en) | 1989-04-24 | 1989-04-24 | Benzopyran derivatives and processes for preparation thereof |
US07/490,375 US5104890A (en) | 1989-03-28 | 1990-03-08 | Benzopyran derivatives and processes for preparation thereof |
DE69021755T DE69021755T2 (en) | 1989-03-28 | 1990-03-13 | Benzopyran derivatives and process for their preparation. |
EP90104702A EP0389861B1 (en) | 1989-03-28 | 1990-03-13 | Benzopyran derivatives and processes for preparation thereof |
AT90104702T ATE126795T1 (en) | 1989-03-28 | 1990-03-13 | BENZOPYRAN DERIVATIVES AND METHOD FOR THE PRODUCTION THEREOF. |
KR1019900004074A KR900014351A (en) | 1989-03-28 | 1990-03-27 | Benzopyran derivatives and preparation methods thereof |
CA002013163A CA2013163A1 (en) | 1989-03-28 | 1990-03-27 | Benzopyran derivatives and processes for preparation thereof |
JP2080045A JPH02300182A (en) | 1989-03-28 | 1990-03-28 | Benzopyran derivative and production thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898909278A GB8909278D0 (en) | 1989-04-24 | 1989-04-24 | Benzopyran derivatives and processes for preparation thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
GB8909278D0 true GB8909278D0 (en) | 1989-06-07 |
Family
ID=10655609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB898909278A Pending GB8909278D0 (en) | 1989-03-28 | 1989-04-24 | Benzopyran derivatives and processes for preparation thereof |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB8909278D0 (en) |
-
1989
- 1989-04-24 GB GB898909278A patent/GB8909278D0/en active Pending
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