AT291244B - Process for the production of new benzofuran derivatives and their salts - Google Patents

Process for the production of new benzofuran derivatives and their salts

Info

Publication number
AT291244B
AT291244B AT846769A AT846769A AT291244B AT 291244 B AT291244 B AT 291244B AT 846769 A AT846769 A AT 846769A AT 846769 A AT846769 A AT 846769A AT 291244 B AT291244 B AT 291244B
Authority
AT
Austria
Prior art keywords
salts
production
benzofuran derivatives
new benzofuran
new
Prior art date
Application number
AT846769A
Other languages
German (de)
Original Assignee
Geigy Ag J R
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 Geigy Ag J R filed Critical Geigy Ag J R
Application granted granted Critical
Publication of AT291244B publication Critical patent/AT291244B/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/78Benzo [b] furans; Hydrogenated benzo [b] furans
    • C07D307/79Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/78Benzo [b] furans; Hydrogenated benzo [b] furans
    • C07D307/79Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
    • C07D307/80Radicals substituted by oxygen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/78Benzo [b] furans; Hydrogenated benzo [b] furans
    • C07D307/79Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
    • C07D307/81Radicals substituted by nitrogen atoms not forming part of a nitro radical
    • 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
    • C07D311/06Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
    • C07D311/08Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
    • C07D311/16Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Furan Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
AT846769A 1968-09-06 1969-09-05 Process for the production of new benzofuran derivatives and their salts AT291244B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CH1717770A CH513147A (en) 1968-09-06 1968-09-06 Process for the production of new benzofuran derivatives
CH1717670A CH526530A (en) 1968-09-06 1968-09-06 Process for the production of new benzofuran derivatives
CH1717870A CH526531A (en) 1968-09-06 1968-09-06 Process for the production of new benzofuran derivatives
CH1717970A CH513148A (en) 1968-09-06 1968-09-06 Process for the production of new benzofuran derivatives
CH1344268A CH514572A (en) 1968-09-06 1968-09-06 Process for the production of new benzofuran derivatives

Publications (1)

Publication Number Publication Date
AT291244B true AT291244B (en) 1971-07-12

Family

ID=27509473

Family Applications (4)

Application Number Title Priority Date Filing Date
AT846769A AT291244B (en) 1968-09-06 1969-09-05 Process for the production of new benzofuran derivatives and their salts
AT683270A AT294069B (en) 1968-09-06 1969-09-05 Process for the production of new benzofuran derivatives and their salts
AT683170A AT294068B (en) 1968-09-06 1969-09-05 Process for the production of new benzofuran derivatives and their salts
AT683370A AT294070B (en) 1968-09-06 1969-09-05 Process for the production of new benzofuran derivatives and their salts

Family Applications After (3)

Application Number Title Priority Date Filing Date
AT683270A AT294069B (en) 1968-09-06 1969-09-05 Process for the production of new benzofuran derivatives and their salts
AT683170A AT294068B (en) 1968-09-06 1969-09-05 Process for the production of new benzofuran derivatives and their salts
AT683370A AT294070B (en) 1968-09-06 1969-09-05 Process for the production of new benzofuran derivatives and their salts

Country Status (7)

Country Link
AT (4) AT291244B (en)
BE (1) BE738517A (en)
CH (5) CH526530A (en)
DE (1) DE1945161A1 (en)
FR (1) FR2017519B1 (en)
GB (1) GB1286861A (en)
NL (1) NL6913259A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5091533A (en) * 1990-03-12 1992-02-25 Merck Frosst Canada, Inc. 5-hydroxy-2,3-dihydrobenzofuran analogs as leukotriene biosynthesis inhibitors
US7576122B2 (en) 2003-09-02 2009-08-18 Merck & Co. Inc. Ophthalmic compositions for treating ocular hypertension

Also Published As

Publication number Publication date
AT294069B (en) 1971-11-10
FR2017519B1 (en) 1973-04-06
BE738517A (en) 1970-03-05
CH514572A (en) 1971-10-31
FR2017519A1 (en) 1970-05-22
CH513147A (en) 1971-09-30
AT294068B (en) 1971-11-10
CH513148A (en) 1971-09-30
CH526531A (en) 1972-08-15
GB1286861A (en) 1972-08-23
CH526530A (en) 1972-08-15
NL6913259A (en) 1970-03-10
DE1945161A1 (en) 1970-03-12
AT294070B (en) 1971-11-10

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
ELJ Ceased due to non-payment of the annual fee