ES484718A1 - Un procedimiento para la preparacion de benzopiranos. - Google Patents
Un procedimiento para la preparacion de benzopiranos.Info
- Publication number
- ES484718A1 ES484718A1 ES484718A ES484718A ES484718A1 ES 484718 A1 ES484718 A1 ES 484718A1 ES 484718 A ES484718 A ES 484718A ES 484718 A ES484718 A ES 484718A ES 484718 A1 ES484718 A1 ES 484718A1
- Authority
- ES
- Spain
- Prior art keywords
- preparation
- pharmaceutical compositions
- chromanol derivatives
- carbon atoms
- chromanol
- 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
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
- C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
- C07D311/68—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with nitrogen atoms directly attached in position 4
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Un procedimiento para la preparación de benzopiranos de fórmula I: **(formula-01)** donde los radicales pirrolidino y OR son trans y donde R es un átomo de hidrógeno o un grupo alquilo de 1 a 3 átomos de carbono o un grupo acailo de 1 a 8 átomos de carbonos; o una sal de adición de acido farmaceuticamente aceptable del mismo cuyo procedimiento comprende: a) hacer reaccionar un compuesto de fórmula (II): **(formula-02)** con pirrolidina y, b) opcionalmente, transformar el retos R=H en otro resto R1 resolver cualquier de estos compuestos y/o salificar cualquier de estos compuestos .
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7839303 | 1978-10-04 | ||
GB7841306 | 1978-10-20 | ||
GB7900901 | 1979-01-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES484718A1 true ES484718A1 (es) | 1980-09-01 |
Family
ID=27260600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES484718A Expired ES484718A1 (es) | 1978-10-04 | 1979-10-03 | Un procedimiento para la preparacion de benzopiranos. |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0009912B1 (es) |
AU (1) | AU526209B2 (es) |
CA (1) | CA1145755A (es) |
DE (1) | DE2965739D1 (es) |
DK (1) | DK415379A (es) |
ES (1) | ES484718A1 (es) |
IE (1) | IE48955B1 (es) |
IL (1) | IL58381A0 (es) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE23718T1 (de) * | 1981-09-25 | 1986-12-15 | Beecham Group Plc | Benzopyran-verbindungen mit pharmazeutischer wirkung. |
DE3364145D1 (de) * | 1982-04-08 | 1986-07-24 | Beecham Group Plc | Antihypertensive benzopyranols |
EP0093534A1 (en) * | 1982-04-28 | 1983-11-09 | Beecham Group Plc | Novel chromanols |
DE3368629D1 (en) * | 1982-04-28 | 1987-02-05 | Beecham Group Plc | Novel chromenes and chromans |
DE3364734D1 (en) * | 1982-10-19 | 1986-08-28 | Beecham Group Plc | Novel chromans and chromenes |
GB8308062D0 (en) * | 1983-03-24 | 1983-05-05 | Beecham Group Plc | Active compounds |
GB8308063D0 (en) * | 1983-03-24 | 1983-05-05 | Beecham Group Plc | Active compounds |
EP0139992B1 (en) * | 1983-09-01 | 1988-12-28 | Beecham Group Plc | Chromanol derivatives |
GB8324547D0 (en) * | 1983-09-14 | 1983-10-19 | Beecham Group Plc | Compounds |
ATE56007T1 (de) * | 1984-06-22 | 1990-09-15 | Beecham Group Plc | Wirksame benzopyranverbindungen. |
US5072006A (en) * | 1988-12-09 | 1991-12-10 | Recherche Syntex France S.A. | Novel benzopyranylpyrrolinone derivatives |
US5239090A (en) * | 1989-02-01 | 1993-08-24 | Beecham Group P.L.C. | Certain optically active 3,4-dihydrobenzopyran-4-ols which are intermediates |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1495526A (en) * | 1974-05-31 | 1977-12-21 | Beecham Group Ltd | Chroman derivatives |
GB1548221A (en) * | 1976-01-27 | 1979-07-04 | Beecham Group Ltd | Trans-4-heterocycyl-3,4-dihydro-2h-benzo pyran-3-ol esters |
-
1979
- 1979-09-19 DE DE7979301934T patent/DE2965739D1/de not_active Expired
- 1979-09-19 EP EP79301934A patent/EP0009912B1/en not_active Expired
- 1979-09-25 AU AU51177/79A patent/AU526209B2/en not_active Ceased
- 1979-10-01 CA CA000336767A patent/CA1145755A/en not_active Expired
- 1979-10-03 IL IL58381A patent/IL58381A0/xx unknown
- 1979-10-03 DK DK415379A patent/DK415379A/da not_active Application Discontinuation
- 1979-10-03 ES ES484718A patent/ES484718A1/es not_active Expired
- 1979-10-03 IE IE1881/79A patent/IE48955B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP0009912B1 (en) | 1983-06-22 |
AU526209B2 (en) | 1982-12-23 |
DK415379A (da) | 1980-04-05 |
CA1145755A (en) | 1983-05-03 |
AU5117779A (en) | 1980-04-17 |
IE791881L (en) | 1980-04-04 |
EP0009912A1 (en) | 1980-04-16 |
DE2965739D1 (en) | 1983-07-28 |
IE48955B1 (en) | 1985-06-26 |
IL58381A0 (en) | 1980-01-31 |
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