AT289781B - 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
AT289781B
AT289781B AT846869A AT846869A AT289781B AT 289781 B AT289781 B AT 289781B AT 846869 A AT846869 A AT 846869A AT 846869 A AT846869 A AT 846869A AT 289781 B AT289781 B AT 289781B
Authority
AT
Austria
Prior art keywords
salts
production
benzofuran derivatives
new benzofuran
new
Prior art date
Application number
AT846869A
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
Priority claimed from CH1717870A external-priority patent/CH526531A/en
Application filed by Geigy Ag J R filed Critical Geigy Ag J R
Application granted granted Critical
Publication of AT289781B publication Critical patent/AT289781B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic 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
    • C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
    • C07D307/79—Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic 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
    • C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
    • C07D307/79—Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
    • C07D307/80—Radicals substituted by oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic 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
    • C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
    • C07D307/79—Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
    • C07D307/81—Radicals substituted by nitrogen atoms not forming part of a nitro radical
    • 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
    • C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
    • C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
    • C07D311/16—Benzo[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)
AT846869A 1968-09-06 1969-09-05 Process for the production of new benzofuran derivatives and their salts AT289781B (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CH1717870A CH526531A (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
CH1717670A CH526530A (en) 1968-09-06 1968-09-06 Process for the production of new benzofuran derivatives
CH1717770A CH513147A (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
CH1083269 1969-07-16

Publications (1)

Publication Number Publication Date
AT289781B true AT289781B (en) 1971-05-10

Family

ID=27543844

Family Applications (1)

Application Number Title Priority Date Filing Date
AT846869A AT289781B (en) 1968-09-06 1969-09-05 Process for the production of new benzofuran derivatives and their salts

Country Status (5)

Country Link
AT (1) AT289781B (en)
BE (1) BE738518A (en)
DE (1) DE1945157A1 (en)
FR (1) FR2017520A1 (en)
NL (1) NL6913260A (en)

Also Published As

Publication number Publication date
BE738518A (en) 1970-03-05
FR2017520A1 (en) 1970-05-22
NL6913260A (en) 1970-03-10
DE1945157A1 (en) 1970-03-12

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