DE1945161A1 - Verfahren zur Herstellung von neuen Benzofuranderivaten - Google Patents

Verfahren zur Herstellung von neuen Benzofuranderivaten

Info

Publication number
DE1945161A1
DE1945161A1 DE19691945161 DE1945161A DE1945161A1 DE 1945161 A1 DE1945161 A1 DE 1945161A1 DE 19691945161 DE19691945161 DE 19691945161 DE 1945161 A DE1945161 A DE 1945161A DE 1945161 A1 DE1945161 A1 DE 1945161A1
Authority
DE
Germany
Prior art keywords
general formula
acid
methyl
ether
yield
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.)
Pending
Application number
DE19691945161
Other languages
German (de)
English (en)
Inventor
Jaeggi Dr Knut Alfred
Renner Dr Ulrich
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.)
Novartis AG
Original Assignee
JR Geigy AG
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 JR Geigy AG filed Critical JR Geigy AG
Publication of DE1945161A1 publication Critical patent/DE1945161A1/de
Pending legal-status Critical Current

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)
  • Plural Heterocyclic Compounds (AREA)
  • Furan Compounds (AREA)
DE19691945161 1968-09-06 1969-09-05 Verfahren zur Herstellung von neuen Benzofuranderivaten Pending DE1945161A1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CH1717870A CH526531A (de) 1968-09-06 1968-09-06 Verfahren zur Herstellung von neuen Benzofuranderivaten
CH1717670A CH526530A (de) 1968-09-06 1968-09-06 Verfahren zur Herstellung von neuen Benzofuranderivaten
CH1344268A CH514572A (de) 1968-09-06 1968-09-06 Verfahren zur Herstellung von neuen Benzofuranderivaten
CH1717970A CH513148A (de) 1968-09-06 1968-09-06 Verfahren zur Herstellung von neuen Benzofuranderivaten
CH1717770A CH513147A (de) 1968-09-06 1968-09-06 Verfahren zur Herstellung von neuen Benzofuranderivaten

Publications (1)

Publication Number Publication Date
DE1945161A1 true DE1945161A1 (de) 1970-03-12

Family

ID=27509473

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19691945161 Pending DE1945161A1 (de) 1968-09-06 1969-09-05 Verfahren zur Herstellung von neuen Benzofuranderivaten

Country Status (7)

Country Link
AT (4) AT294069B (xx)
BE (1) BE738517A (xx)
CH (5) CH526531A (xx)
DE (1) DE1945161A1 (xx)
FR (1) FR2017519B1 (xx)
GB (1) GB1286861A (xx)
NL (1) NL6913259A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0447189A1 (en) * 1990-03-12 1991-09-18 Merck Frosst Canada Inc. 5-Hydroxy-2,3-dihydrobenzofuran analogs as leukotriene biosynthesis inhibitors

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2537119A1 (en) 2003-09-02 2005-03-10 Merck & Co., Inc. Ophthalmic compositions for treating ocular hypertension

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0447189A1 (en) * 1990-03-12 1991-09-18 Merck Frosst Canada Inc. 5-Hydroxy-2,3-dihydrobenzofuran analogs as leukotriene biosynthesis inhibitors

Also Published As

Publication number Publication date
AT294069B (de) 1971-11-10
CH513148A (de) 1971-09-30
AT294070B (de) 1971-11-10
NL6913259A (xx) 1970-03-10
AT291244B (de) 1971-07-12
CH513147A (de) 1971-09-30
CH526531A (de) 1972-08-15
AT294068B (de) 1971-11-10
BE738517A (xx) 1970-03-05
FR2017519A1 (xx) 1970-05-22
GB1286861A (en) 1972-08-23
CH514572A (de) 1971-10-31
FR2017519B1 (xx) 1973-04-06
CH526530A (de) 1972-08-15

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