ES422413A1 - Procedimiento para preparar derivados de benzopirano. - Google Patents

Procedimiento para preparar derivados de benzopirano.

Info

Publication number
ES422413A1
ES422413A1 ES422413A ES422413A ES422413A1 ES 422413 A1 ES422413 A1 ES 422413A1 ES 422413 A ES422413 A ES 422413A ES 422413 A ES422413 A ES 422413A ES 422413 A1 ES422413 A1 ES 422413A1
Authority
ES
Spain
Prior art keywords
formula
compound
group
defined above
see formula
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
ES422413A
Other languages
English (en)
Spanish (es)
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.)
Fisons Ltd
Original Assignee
Fisons Ltd
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 Fisons Ltd filed Critical Fisons Ltd
Publication of ES422413A1 publication Critical patent/ES422413A1/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D311/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02Heterocyclic 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
    • C07D311/04Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/22Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
    • C07D311/24Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pyrane Compounds (AREA)
ES422413A 1973-01-19 1976-03-18 Procedimiento para preparar derivados de benzopirano. Expired ES422413A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB286173 1973-01-19
GB286273*[A GB1448980A (en) 1973-01-19 1973-01-19 Unsymmetrically substituted bis-chromones

Publications (1)

Publication Number Publication Date
ES422413A1 true ES422413A1 (es) 1976-11-01

Family

ID=26237797

Family Applications (1)

Application Number Title Priority Date Filing Date
ES422413A Expired ES422413A1 (es) 1973-01-19 1976-03-18 Procedimiento para preparar derivados de benzopirano.

Country Status (8)

Country Link
JP (1) JPS49101378A (https=)
AU (1) AU6436474A (https=)
DE (1) DE2402274A1 (https=)
ES (1) ES422413A1 (https=)
FR (1) FR2214473B1 (https=)
GB (1) GB1448980A (https=)
IL (1) IL43942A0 (https=)
NL (1) NL7400701A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2297040A1 (fr) * 1975-01-13 1976-08-06 Fisons Ltd Procede et compositions pour le traitement de maladies gastro-intestinales

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1011744A (en) * 1970-03-10 1977-06-07 Allen And Hanburys Limited Chromone derivatives
GB1324571A (en) * 1971-01-22 1973-07-25 Fisons Ltd Thallium salts of hydroxy-chromones and the preparation of bis- chromones therefrom
GB1382247A (en) * 1971-06-10 1975-01-29 Fisons Ltd Benzopyran derivatives

Also Published As

Publication number Publication date
FR2214473A1 (https=) 1974-08-19
DE2402274A1 (de) 1974-07-25
JPS49101378A (https=) 1974-09-25
GB1448980A (en) 1976-09-08
FR2214473B1 (https=) 1977-04-22
IL43942A0 (en) 1974-05-16
AU6436474A (en) 1975-07-10
NL7400701A (https=) 1974-07-23

Similar Documents

Publication Publication Date Title
ES430104A1 (es) Procedimiento para la preparacion de derivados de la cefa- losporina.
ES462058A1 (es) Un procedimiento para la preparacion de nuevos derivados de tetrahidroisoquinoleina.
GB1454801A (en) 1,3-oxazino 5,6-c- rifamycins and method for preparing same
ZA793453B (en) New 3,20-dioxo-4,9-diene-21-hydroxyl steroid derivatives,a process for preparing them,their use as medicaments and the pharmaceutical compositions containing them
GB831422A (en) Organosilants
ES393496A1 (es) Procedimiento de preparacion de nuevos derivados de la 2-pi-rrolidinonas.
SE7409562L (https=)
ES457385A1 (es) Procedimiento para preparar derivados de prostaglandinas.
ES345747A1 (es) Un procedimiento para la obtencion de nuevos derivados de la desglucohelebrina.
ES422413A1 (es) Procedimiento para preparar derivados de benzopirano.
ES458980A1 (es) Procedimiento de preparacion de derivados del psoraleno.
ES385627A2 (es) Procedimiento para la preparacion de derivados de morfoli- na.
ES403209A1 (es) Un metodo para la produccion de nuevos derivados de aceto- fenon-oxima.
ES406550A1 (es) Procedimiento para la obtencion de derivados de la oxadia- zolona.
KR870002062A (ko) 2,3-디히드로-1h-인덴 유도체의 제조 방법
IE822551L (en) Alkanes and alkenes
ATE72247T1 (de) Estran- und androstan-derivate, verfahren zu ihrer herstellung und diese verbindungen enthaltende praeparate.
JPS51141896A (en) Process for preparing fused ring triazoropyrimidine derivatives
ES423104A1 (es) Procedimiento para preparar anilidas heterociclicas.
ES443421A1 (es) Un procedimiento para la preparacion de una composicion far-macologica que contiene una 11-desoxi-gamma-pentanorprosta- glandina.
IE41273B1 (en) 7-aminoalkoxy substituted benzopyrans, benzo thiopyrans and naphthalenes
ES400841A1 (es) Procedimiento para la obtencion de derivados de 2-hidroxi- benzofenona.
ES438736A1 (es) Procedimiento para preparar esteres del acido dihidro-16, 17 apovincaminico.
ES454266A1 (es) Un procedimiento para la produccion de un derivado reactivo en el grupo carboxilo de la 2,3-dioxipiperazina.
ES412047A1 (es) Un procedimiento para la preparacion de dihidrocumarina o una alcohil-dihidrocumarina.