CA952913A - Dibenzofuran-2-carboxylic acid derivatives and processes for their preparation - Google Patents

Dibenzofuran-2-carboxylic acid derivatives and processes for their preparation

Info

Publication number
CA952913A
CA952913A CA085,568A CA85568A CA952913A CA 952913 A CA952913 A CA 952913A CA 85568 A CA85568 A CA 85568A CA 952913 A CA952913 A CA 952913A
Authority
CA
Canada
Prior art keywords
dibenzofuran
processes
preparation
carboxylic acid
acid derivatives
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.)
Expired
Application number
CA085,568A
Other languages
English (en)
Inventor
Bruce E. Witzel
William V. Ruyle
Tsung-Ying Shen
Gordon L. Walford
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.)
Merck and Co Inc
Original Assignee
Merck and Co Inc
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 Merck and Co Inc filed Critical Merck and Co Inc
Application granted granted Critical
Publication of CA952913A publication Critical patent/CA952913A/en
Expired 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
    • C07D307/91—Dibenzofurans; Hydrogenated dibenzofurans
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/45—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by at least one doubly—bound oxygen atom, not being part of a —CHO group
    • C07C205/46—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by at least one doubly—bound oxygen atom, not being part of a —CHO group the carbon skeleton containing carbon atoms of quinone rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/56—Ring systems containing three or more rings
    • C07D209/80—[b, c]- or [b, d]-condensed
    • C07D209/82—Carbazoles; Hydrogenated carbazoles
    • C07D209/88—Carbazoles; Hydrogenated carbazoles with hetero atoms or 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 to carbon atoms of the ring system
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
    • C07D333/76—Dibenzothiophenes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CA085,568A 1969-06-25 1970-06-15 Dibenzofuran-2-carboxylic acid derivatives and processes for their preparation Expired CA952913A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83660369A 1969-06-25 1969-06-25
US3036470A 1970-04-20 1970-04-20

Publications (1)

Publication Number Publication Date
CA952913A true CA952913A (en) 1974-08-13

Family

ID=26705950

Family Applications (1)

Application Number Title Priority Date Filing Date
CA085,568A Expired CA952913A (en) 1969-06-25 1970-06-15 Dibenzofuran-2-carboxylic acid derivatives and processes for their preparation

Country Status (5)

Country Link
CA (1) CA952913A (enrdf_load_stackoverflow)
CH (1) CH549008A (enrdf_load_stackoverflow)
FR (1) FR2053028B1 (enrdf_load_stackoverflow)
GB (1) GB1285398A (enrdf_load_stackoverflow)
NL (1) NL7008628A (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH574433A5 (enrdf_load_stackoverflow) * 1971-03-26 1976-04-15 Hoffmann La Roche
DE2223391C3 (de) * 1972-05-13 1982-02-11 Merck Patent Gmbh, 6100 Darmstadt Dibenzofuranderivate, Verfahren zu ihrer Herstellung und pharmazeutische Zubereitungen enthaltend diese Verbindungen
GB1458186A (en) * 1972-09-06 1976-12-08 Wellcome Found Oxides of sulphur-containing tricyclic compounds methods for their preparation and compositions containing them
BG25793A3 (bg) * 1973-07-18 1978-12-12 Schering Aktiengesellschaft Метод за получаване на карбазолови деривати
US7030109B2 (en) 1999-07-19 2006-04-18 Pharmacia & Upjohn Company 1,2,3,4,5,6-Hexahydroazepino[4,5-b]indoles containing arylsulfones at the 9-position
MY122278A (en) 1999-07-19 2006-04-29 Upjohn Co 1,2,3,4,5,6-hexahydroazepino[4,5-b]indoles containing arylsulfones at the 9-position
CA2503015A1 (en) 2002-10-23 2004-05-06 Glenmark Pharmaceuticals Ltd. Novel tricyclic compounds useful for the treatment of inflammatory and allergic disorders: process for their preparation and pharmaceutical compositions containing them
ES2320888T3 (es) * 2003-04-11 2009-05-29 Glenmark Pharmaceuticals S.A. Compuestos heterociclicos utiles para el tratamiento de desordenes inflamatorios y alergicos: procedimiento para su preparacion y composiciones farmaceuticas que los contienen.
AR051933A1 (es) 2004-10-13 2007-02-21 Glenmark Pharmaceuticals Sa Proceso para la preparacion de n-(3,5 dicloropirid-4-ilo)-4-difluormetoxi-8-metano sulfonamido-dibenzo[b,d] furano-1-carboxamida
UA88795C2 (ru) 2004-12-17 2009-11-25 Гленмарк Фармасьютікалс С.А. Гетероциклические соединения, которые применяются для лечения воспалителных и аллергических нарушений
KR101317119B1 (ko) 2004-12-17 2013-10-11 그렌마크 파머수티칼스 에스. 아. 염증성 및 알레르기성 장애의 치료에 유용한 신규한헤테로사이클릭 화합물

Also Published As

Publication number Publication date
CH549008A (de) 1974-05-15
GB1285398A (en) 1972-08-16
NL7008628A (enrdf_load_stackoverflow) 1970-12-29
FR2053028B1 (enrdf_load_stackoverflow) 1974-11-15
FR2053028A1 (enrdf_load_stackoverflow) 1971-04-16

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