BE757454R - Composes organiques derivant de pyridylbenzopyrannes, composes intermediaires et procedes pour les - Google Patents

Composes organiques derivant de pyridylbenzopyrannes, composes intermediaires et procedes pour les

Info

Publication number
BE757454R
BE757454R BE757454DA BE757454R BE 757454 R BE757454 R BE 757454R BE 757454D A BE757454D A BE 757454DA BE 757454 R BE757454 R BE 757454R
Authority
BE
Belgium
Prior art keywords
pyridylbenzopyrans
methods
compounds
derived
organic compounds
Prior art date
Application number
Other languages
English (en)
Original Assignee
Beecham Group 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.)
Publication date
Application granted granted Critical
Publication of BE757454R publication Critical patent/BE757454R/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
BE757454D 1969-10-15 Composes organiques derivant de pyridylbenzopyrannes, composes intermediaires et procedes pour les BE757454R (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB50703/69A GB1280044A (en) 1969-10-15 1969-10-15 Preparation of pyridyl chromenols

Publications (1)

Publication Number Publication Date
BE757454R true BE757454R (fr) 1971-04-13

Family

ID=10457014

Family Applications (1)

Application Number Title Priority Date Filing Date
BE757454D BE757454R (fr) 1969-10-15 Composes organiques derivant de pyridylbenzopyrannes, composes intermediaires et procedes pour les

Country Status (9)

Country Link
AT (1) AT298487B (fr)
BE (1) BE757454R (fr)
DE (1) DE2050496A1 (fr)
ES (1) ES384217A1 (fr)
FR (1) FR2070131B2 (fr)
GB (1) GB1280044A (fr)
IE (1) IE34540B1 (fr)
NL (1) NL7014946A (fr)
ZA (1) ZA706821B (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1770171C3 (de) * 1967-04-14 1979-08-30 Beecham Group Ltd., Brentford, Mddlesex (Grossbritannien) 2,2-Dimethyl-7-alkyl-4-(4-pyridyl)-2H-chromen-5-ole, Verfahren zu ihrer Herstellung und diese Verbindungen enthaltende Arzneipräparate

Also Published As

Publication number Publication date
IE34540L (en) 1971-04-15
GB1280044A (en) 1972-07-05
ZA706821B (en) 1971-12-29
DE2050496A1 (de) 1971-04-22
FR2070131A2 (fr) 1971-09-10
ES384217A1 (es) 1973-01-16
IE34540B1 (en) 1975-06-11
NL7014946A (fr) 1971-04-19
AT298487B (de) 1972-05-10
FR2070131B2 (fr) 1974-09-20

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