NL7307253A - - Google Patents

Info

Publication number
NL7307253A
NL7307253A NL7307253A NL7307253A NL7307253A NL 7307253 A NL7307253 A NL 7307253A NL 7307253 A NL7307253 A NL 7307253A NL 7307253 A NL7307253 A NL 7307253A NL 7307253 A NL7307253 A NL 7307253A
Authority
NL
Netherlands
Application number
NL7307253A
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 filed Critical
Publication of NL7307253A publication Critical patent/NL7307253A/xx

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)
  • Plural Heterocyclic Compounds (AREA)
  • Pyrane Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
NL7307253A 1972-05-25 1973-05-24 NL7307253A (enrdf_load_stackoverflow)

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
NL7307253A true NL7307253A (enrdf_load_stackoverflow) 1973-11-27

Family

ID=27515805

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7307253A NL7307253A (enrdf_load_stackoverflow) 1972-05-25 1973-05-24

Country Status (10)

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

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
US8088935B2 (en) 2003-12-23 2012-01-03 Ironwood Pharmaceuticals, Inc. Compounds and methods for the treatment of asthma

Also Published As

Publication number Publication date
SE7605592L (sv) 1976-05-17
GB1428676A (en) 1976-03-17
SE399262B (sv) 1978-02-06
JPS4948670A (enrdf_load_stackoverflow) 1974-05-11
FR2185409B1 (enrdf_load_stackoverflow) 1977-01-28
CH585217A5 (enrdf_load_stackoverflow) 1977-02-28
CA1026761A (en) 1978-02-21
AU476254B2 (en) 1976-09-16
CH583726A5 (enrdf_load_stackoverflow) 1977-01-14
SE425737B (sv) 1982-11-01
AU5611473A (en) 1974-11-28
JPS5753354B2 (enrdf_load_stackoverflow) 1982-11-12
DK138323C (enrdf_load_stackoverflow) 1979-01-29
DK138323B (da) 1978-08-14
FR2185409A1 (enrdf_load_stackoverflow) 1974-01-04
DE2326227A1 (de) 1974-02-14

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BV The patent application has lapsed