GB1428676A - Process for the production of bis-chromone derivatives - Google Patents

Process for the production of bis-chromone derivatives

Info

Publication number
GB1428676A
GB1428676A GB690073*[A GB690073A GB1428676A GB 1428676 A GB1428676 A GB 1428676A GB 690073 A GB690073 A GB 690073A GB 1428676 A GB1428676 A GB 1428676A
Authority
GB
United Kingdom
Prior art keywords
group
compound
formula
bis
denotes
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
GB690073*[A
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.)
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
Priority to GB690073*[A priority Critical patent/GB1428676A/en
Priority to FR7318460A priority patent/FR2185409B1/fr
Priority to DE2326227A priority patent/DE2326227A1/de
Priority to CH1086076A priority patent/CH583726A5/xx
Priority to NL7307253A priority patent/NL7307253A/xx
Priority to AU56114/73A priority patent/AU476254B2/en
Priority to CA172,340A priority patent/CA1026761A/en
Priority to SE7307357A priority patent/SE399262B/xx
Priority to DK287073AA priority patent/DK138323B/da
Priority to CH746273A priority patent/CH585217A5/xx
Priority to JP48057915A priority patent/JPS5753354B2/ja
Publication of GB1428676A publication Critical patent/GB1428676A/en
Priority to SE7605592A priority patent/SE425737B/xx
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
    • C07D311/22—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)
GB690073*[A 1972-05-25 1973-02-13 Process for the production of bis-chromone derivatives Expired GB1428676A (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
GB690073*[A GB1428676A (en) 1972-05-25 1973-02-13 Process for the production of bis-chromone derivatives
FR7318460A FR2185409B1 (US20080094685A1-20080424-C00004.png) 1972-05-25 1973-05-22
DE2326227A DE2326227A1 (de) 1972-05-25 1973-05-23 Verfahren zur herstellung von chromonverbindungen
AU56114/73A AU476254B2 (en) 1972-05-25 1973-05-24 Process for producing chromone derivatives
NL7307253A NL7307253A (US20080094685A1-20080424-C00004.png) 1972-05-25 1973-05-24
CH1086076A CH583726A5 (US20080094685A1-20080424-C00004.png) 1972-05-25 1973-05-24
CA172,340A CA1026761A (en) 1972-05-25 1973-05-24 Process for the production of hydroxy substituted bis-(4-oxo-4h-benzopyran-2-derivatives)
SE7307357A SE399262B (sv) 1972-05-25 1973-05-24 Forfarande for framstellning av hydroxialkylen-bis-(bensopyran)-derivat med farmacentisk verkan
DK287073AA DK138323B (da) 1972-05-25 1973-05-24 Fremgangsmåde til fremstilling af bis-chromonylforbindelser.
CH746273A CH585217A5 (US20080094685A1-20080424-C00004.png) 1972-05-25 1973-05-24
JP48057915A JPS5753354B2 (US20080094685A1-20080424-C00004.png) 1972-05-25 1973-05-25
SE7605592A SE425737B (sv) 1972-05-25 1976-05-17 Forfarande for framstellning av hydroxialkylenbis (bensopyran)-derivat

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 (1)

Publication Number Publication Date
GB1428676A true GB1428676A (en) 1976-03-17

Family

ID=27515805

Family Applications (1)

Application Number Title Priority Date Filing Date
GB690073*[A Expired GB1428676A (en) 1972-05-25 1973-02-13 Process for the production of bis-chromone derivatives

Country Status (10)

Country Link
JP (1) JPS5753354B2 (US20080094685A1-20080424-C00004.png)
AU (1) AU476254B2 (US20080094685A1-20080424-C00004.png)
CA (1) CA1026761A (US20080094685A1-20080424-C00004.png)
CH (2) CH585217A5 (US20080094685A1-20080424-C00004.png)
DE (1) DE2326227A1 (US20080094685A1-20080424-C00004.png)
DK (1) DK138323B (US20080094685A1-20080424-C00004.png)
FR (1) FR2185409B1 (US20080094685A1-20080424-C00004.png)
GB (1) GB1428676A (US20080094685A1-20080424-C00004.png)
NL (1) NL7307253A (US20080094685A1-20080424-C00004.png)
SE (2) SE399262B (US20080094685A1-20080424-C00004.png)

Cited By (1)

* 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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8088935B2 (en) 2003-12-23 2012-01-03 Ironwood Pharmaceuticals, Inc. Compounds and methods for the treatment of asthma

Cited By (1)

* 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

Also Published As

Publication number Publication date
JPS4948670A (US20080094685A1-20080424-C00004.png) 1974-05-11
DK138323B (da) 1978-08-14
CH585217A5 (US20080094685A1-20080424-C00004.png) 1977-02-28
AU476254B2 (en) 1976-09-16
NL7307253A (US20080094685A1-20080424-C00004.png) 1973-11-27
SE399262B (sv) 1978-02-06
SE425737B (sv) 1982-11-01
AU5611473A (en) 1974-11-28
DK138323C (US20080094685A1-20080424-C00004.png) 1979-01-29
CA1026761A (en) 1978-02-21
DE2326227A1 (de) 1974-02-14
SE7605592L (sv) 1976-05-17
FR2185409A1 (US20080094685A1-20080424-C00004.png) 1974-01-04
FR2185409B1 (US20080094685A1-20080424-C00004.png) 1977-01-28
CH583726A5 (US20080094685A1-20080424-C00004.png) 1977-01-14
JPS5753354B2 (US20080094685A1-20080424-C00004.png) 1982-11-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee