PT96023A - Processo para a preparacao de 3,4-epoxi-benzopiranos - Google Patents

Processo para a preparacao de 3,4-epoxi-benzopiranos

Info

Publication number: PT96023A
Authority: PT; Portugal
Prior art keywords: benzopyranes; epoxy; preparation
Prior art date: 1989-11-29

Application number

PT199096023A

Other languages

English (en)

Other versions

PT96023B (pt

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.)

1989-11-29

Filing date

1990-11-28

Publication date

1991-09-13

1989-11-29 Priority claimed from GB898926993A external-priority patent/GB8926993D0/en

1990-10-25 Priority claimed from GB909023300A external-priority patent/GB9023300D0/en

1990-11-28 Application filed filed Critical

1991-09-13 Publication of PT96023A publication Critical patent/PT96023A/pt

1997-08-29 Publication of PT96023B publication Critical patent/PT96023B/pt

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
- C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/04—Ortho-condensed systems
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P11/00—Drugs for disorders of the respiratory system
- A61P11/08—Bronchodilators
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/12—Antihypertensives
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
- C07D303/02—Compounds containing oxirane rings
- C07D303/04—Compounds containing oxirane rings containing only hydrogen and carbon atoms in addition to the ring oxygen atoms

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
General Health & Medical Sciences (AREA)
Veterinary Medicine (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Medicinal Chemistry (AREA)
Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
Bioinformatics & Cheminformatics (AREA)
Pharmacology & Pharmacy (AREA)
Engineering & Computer Science (AREA)
Animal Behavior & Ethology (AREA)
Public Health (AREA)
Heart & Thoracic Surgery (AREA)
Cardiology (AREA)
Pulmonology (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Plural Heterocyclic Compounds (AREA)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Epoxy Compounds (AREA)
Pyrane Compounds (AREA)

PT96023A 1989-11-29 1990-11-28 Processo para a preparacao de 3,4-epoxi-benzopiranos PT96023B (pt)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB898926993A GB8926993D0 (en)	1989-11-29	1989-11-29	Process
GB909023300A GB9023300D0 (en)	1990-10-25	1990-10-25	Process

Publications (2)

Publication Number	Publication Date
PT96023A true PT96023A (pt)	1991-09-13
PT96023B PT96023B (pt)	1997-08-29

Family

ID=26296278

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PT96023A PT96023B (pt)	1989-11-29	1990-11-28	Processo para a preparacao de 3,4-epoxi-benzopiranos

Country Status (8)

Country	Link
EP (1)	EP0430621A3 (pt)
JP (1)	JPH03190878A (pt)
KR (1)	KR910009686A (pt)
AU (1)	AU633383B2 (pt)
CA (1)	CA2030969A1 (pt)
IE (1)	IE904278A1 (pt)
NZ (1)	NZ236228A (pt)
PT (1)	PT96023B (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3936616A1 (de) *	1989-11-03	1991-05-08	Merck Patent Gmbh	Verfahren zur enantiomerentrennung von benzopyranderivaten
US5573758A (en) *	1995-04-28	1996-11-12	Allergan	Method for reducing intraocular pressure in the mammalian eye by administration of potassium channel blockers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ATE23718T1 (de) *	1981-09-25	1986-12-15	Beecham Group Plc	Benzopyran-verbindungen mit pharmazeutischer wirkung.
DE3811017A1 (de) *	1988-03-31	1989-10-19	Hoechst Ag	Ungesaettigte n-benzopyranyllactame
EP0346724A1 (de) *	1988-06-16	1989-12-20	MERCK PATENT GmbH	Chromanderivate
GB8924373D0 (en) *	1989-10-30	1989-12-20	Beecham Group Plc	Novel compounds
DE3936616A1 (de) *	1989-11-03	1991-05-08	Merck Patent Gmbh	Verfahren zur enantiomerentrennung von benzopyranderivaten

1990
- 1990-11-26 EP EP19900312831 patent/EP0430621A3/en not_active Withdrawn
- 1990-11-27 IE IE427890A patent/IE904278A1/en unknown
- 1990-11-27 AU AU66978/90A patent/AU633383B2/en not_active Ceased
- 1990-11-27 CA CA002030969A patent/CA2030969A1/en not_active Abandoned
- 1990-11-27 NZ NZ236228A patent/NZ236228A/en unknown
- 1990-11-28 PT PT96023A patent/PT96023B/pt not_active IP Right Cessation
- 1990-11-28 KR KR1019900019429A patent/KR910009686A/ko not_active Application Discontinuation
- 1990-11-29 JP JP2333437A patent/JPH03190878A/ja active Pending

Also Published As

Publication number	Publication date
AU633383B2 (en)	1993-01-28
PT96023B (pt)	1997-08-29
EP0430621A2 (en)	1991-06-05
EP0430621A3 (en)	1992-03-04
CA2030969A1 (en)	1991-05-30
KR910009686A (ko)	1991-06-28
AU6697890A (en)	1991-06-06
NZ236228A (en)	1992-07-28
JPH03190878A (ja)	1991-08-20
IE904278A1 (en)	1991-06-05

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Legal Events

Date	Code	Title	Description
1991-09-13	BB1A	Laying open of patent application	Effective date: 19910410
1999-03-31	MM3A	Annulment or lapse	Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 19981130

Date

Code

Title

Description

1991-09-13

BB1A

Laying open of patent application

Effective date: 19910410

1999-03-31

MM3A

Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19981130