DK138323B - Fremgangsmåde til fremstilling af bis-chromonylforbindelser. - Google Patents

Fremgangsmåde til fremstilling af bis-chromonylforbindelser.

Info

Publication number: DK138323B
Authority: DK; Denmark
Prior art keywords: bis; preparation; chromonyl compounds; chromonyl; compounds
Prior art date: 1972-05-25

Application number

DK287073AA

Other languages

English (en)

Other versions

DK138323C (da

Inventor

Edward Neil Wall

Peter Williams

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.)

1972-05-25

Filing date

1973-05-24

Publication date

1978-08-14

1973-05-24 Application filed by Fisons Ltd filed Critical Fisons Ltd

1978-08-14 Publication of DK138323B publication Critical patent/DK138323B/da

1979-01-29 Application granted granted Critical

1979-01-29 Publication of DK138323C publication Critical patent/DK138323C/da

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
- C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
- C07D311/24—Benzo[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)
Plural Heterocyclic Compounds (AREA)
Pyrane Compounds (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

DK287073AA 1972-05-25 1973-05-24 Fremgangsmåde til fremstilling af bis-chromonylforbindelser. DK138323B (da)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
GB2465772		1972-05-25
GB2623872		1972-06-06
GB2848072		1972-06-17
GB659373		1973-02-09
GB690073*[A GB1428676A (en)	1972-05-25	1973-02-13	Process for the production of bis-chromone derivatives

Publications (2)

Publication Number	Publication Date
DK138323B true DK138323B (da)	1978-08-14
DK138323C DK138323C (da)	1979-01-29

Family

ID=27515805

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK287073AA DK138323B (da)	1972-05-25	1973-05-24	Fremgangsmåde til fremstilling af bis-chromonylforbindelser.

Country Status (10)

Country	Link
JP (1)	JPS5753354B2 (da)
AU (1)	AU476254B2 (da)
CA (1)	CA1026761A (da)
CH (2)	CH583726A5 (da)
DE (1)	DE2326227A1 (da)
DK (1)	DK138323B (da)
FR (1)	FR2185409B1 (da)
GB (1)	GB1428676A (da)
NL (1)	NL7307253A (da)
SE (2)	SE399262B (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5659051A (en) *	1993-07-13	1997-08-19	Sumitomo Chemical Company, Limited	Process of producing 2-cyano-4-oxo-4H-benzopyran compounds
WO2005063732A1 (en) *	2003-12-23	2005-07-14	Microbia, Inc.	Compounds and methods for the treatment of asthma

1973
- 1973-02-13 GB GB690073*[A patent/GB1428676A/en not_active Expired
- 1973-05-22 FR FR7318460A patent/FR2185409B1/fr not_active Expired
- 1973-05-23 DE DE2326227A patent/DE2326227A1/de not_active Withdrawn
- 1973-05-24 CH CH1086076A patent/CH583726A5/xx not_active IP Right Cessation
- 1973-05-24 AU AU56114/73A patent/AU476254B2/en not_active Expired
- 1973-05-24 NL NL7307253A patent/NL7307253A/xx not_active Application Discontinuation
- 1973-05-24 CA CA172,340A patent/CA1026761A/en not_active Expired
- 1973-05-24 CH CH746273A patent/CH585217A5/xx not_active IP Right Cessation
- 1973-05-24 SE SE7307357A patent/SE399262B/xx unknown
- 1973-05-24 DK DK287073AA patent/DK138323B/da unknown
- 1973-05-25 JP JP48057915A patent/JPS5753354B2/ja not_active Expired
1976
- 1976-05-17 SE SE7605592A patent/SE425737B/xx unknown

Also Published As

Publication number	Publication date
CH583726A5 (da)	1977-01-14
CH585217A5 (da)	1977-02-28
CA1026761A (en)	1978-02-21
SE7605592L (sv)	1976-05-17
JPS4948670A (da)	1974-05-11
FR2185409B1 (da)	1977-01-28
AU476254B2 (en)	1976-09-16
JPS5753354B2 (da)	1982-11-12
SE399262B (sv)	1978-02-06
DE2326227A1 (de)	1974-02-14
FR2185409A1 (da)	1974-01-04
SE425737B (sv)	1982-11-01
NL7307253A (da)	1973-11-27
GB1428676A (en)	1976-03-17
DK138323C (da)	1979-01-29
AU5611473A (en)	1974-11-28

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