ES394474A1 - Procedimiento para la preparacion de derivados de acidos benzopirano - carboxilicos. - Google Patents
Procedimiento para la preparacion de derivados de acidos benzopirano - carboxilicos.Info
- Publication number
- ES394474A1 ES394474A1 ES394474A ES394474A ES394474A1 ES 394474 A1 ES394474 A1 ES 394474A1 ES 394474 A ES394474 A ES 394474A ES 394474 A ES394474 A ES 394474A ES 394474 A1 ES394474 A1 ES 394474A1
- Authority
- ES
- Spain
- Prior art keywords
- group
- compound
- carbon atoms
- alkyl
- hydrogen
- 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.)
- Expired
Links
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4077770 | 1970-08-25 | ||
GB4398470 | 1970-09-15 | ||
GB5886070 | 1970-12-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES394474A1 true ES394474A1 (es) | 1974-09-16 |
Family
ID=27259663
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES394474A Expired ES394474A1 (es) | 1970-08-25 | 1971-08-24 | Procedimiento para la preparacion de derivados de acidos benzopirano - carboxilicos. |
ES421973A Expired ES421973A1 (es) | 1970-08-25 | 1974-01-02 | Un procedimiento para la preparacion de sales farmaceutica-mente aceptables de derivados de acido benzopirano-carboxi- licos. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES421973A Expired ES421973A1 (es) | 1970-08-25 | 1974-01-02 | Un procedimiento para la preparacion de sales farmaceutica-mente aceptables de derivados de acido benzopirano-carboxi- licos. |
Country Status (2)
Country | Link |
---|---|
AR (1) | AR204303A1 (es) |
ES (2) | ES394474A1 (es) |
-
1971
- 1971-08-24 ES ES394474A patent/ES394474A1/es not_active Expired
-
1972
- 1972-01-01 AR AR24187072A patent/AR204303A1/es active
-
1974
- 1974-01-02 ES ES421973A patent/ES421973A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES421973A1 (es) | 1976-05-01 |
AR204303A1 (es) | 1975-12-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19840220 |