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
Application number
ES484718A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beecham Group PLC
Original Assignee
Beecham Group PLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beecham Group PLC filed Critical Beecham Group PLC
Publication of ES484718A1 publication Critical patent/ES484718A1/es
Expired legal-status Critical Current

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 .
ES484718A 1978-10-04 1979-10-03 Un procedimiento para la preparacion de benzopiranos. Expired ES484718A1 (es)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2107706A (en) * 1981-09-25 1983-05-05 Beecham Group Plc Benzopyrans
EP0091748B1 (en) * 1982-04-08 1986-06-18 Beecham Group Plc Antihypertensive benzopyranols
EP0093535B1 (en) * 1982-04-28 1986-12-30 Beecham Group Plc Novel chromenes and chromans
EP0093534A1 (en) * 1982-04-28 1983-11-09 Beecham Group Plc Novel chromanols
DE3364734D1 (en) * 1982-10-19 1986-08-28 Beecham Group Plc Novel chromans and chromenes
GB8308063D0 (en) * 1983-03-24 1983-05-05 Beecham Group Plc Active compounds
GB8308062D0 (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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
EP0009912A1 (en) 1980-04-16
IE791881L (en) 1980-04-04
CA1145755A (en) 1983-05-03
AU526209B2 (en) 1982-12-23
EP0009912B1 (en) 1983-06-22
DK415379A (da) 1980-04-05
DE2965739D1 (en) 1983-07-28
IL58381A0 (en) 1980-01-31
AU5117779A (en) 1980-04-17
IE48955B1 (en) 1985-06-26

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