ES8106511A1 - Procedimiento para la preparacion de acidos alcoxi benzofu- ran carboxilicos - Google Patents

Procedimiento para la preparacion de acidos alcoxi benzofu- ran carboxilicos

Info

Publication number
ES8106511A1
ES8106511A1 ES493763A ES493763A ES8106511A1 ES 8106511 A1 ES8106511 A1 ES 8106511A1 ES 493763 A ES493763 A ES 493763A ES 493763 A ES493763 A ES 493763A ES 8106511 A1 ES8106511 A1 ES 8106511A1
Authority
ES
Spain
Prior art keywords
salts
alkoxy
esters
carboxylic acids
hypolipidemic agents
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
ES493763A
Other languages
English (en)
Other versions
ES493763A0 (es
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.)
Richardson Vicks Inc
Original Assignee
Richardson Merrell 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 Richardson Merrell Inc filed Critical Richardson Merrell Inc
Publication of ES8106511A1 publication Critical patent/ES8106511A1/es
Publication of ES493763A0 publication Critical patent/ES493763A0/es
Granted 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
    • C07D307/82—Benzo [b] furans; Hydrogenated benzo [b] furans 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 hetero ring
    • C07D307/84—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
    • C07D307/85—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 2
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00—Drugs for disorders of the metabolism
    • A61P3/06—Antihyperlipidemics
    • 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
    • C07D307/86—Benzo [b] furans; Hydrogenated benzo [b] furans with an oxygen atom directly attached in position 7

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Obesity (AREA)
  • Diabetes (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Furan Compounds (AREA)

Abstract

PROCEDIMIENTO DE OBTENCION DE ACIDOS ALCOXIBENZOFURAN CARBOXILICOS. CONSTA DE LAS SIGUIENTES ETAPAS: 1. REACCION DE UN COMPUESTO (I) CON BROMO, HIDROLIZANDO EL PRODUCTO BROMADO BAJO CONDICIONES BASICAS. 2. REACCION DE UN ORTO-HIDROXIBENZALEDEHIDO (II) CON UN R2-HALURO, OBTENIENDOSE EL CORRESPONDIENTE ORTO-HIDROXIBENZOLDEHIDO ALCOXI-SUSTITUIDO, QUE SE CICLIZA POR REACCION CON UN ALQUIL HALOACETATO INFERIOR EN PRESENCIA DE UNA BASE Y A CONTINUACION SE DESHIDRATA EL PRODUCTO RESULTANTE EN PRESENCIA DE UN ACIDO. 3. REACCION DEL ORTO-HIDROXIBENZALDEHIDO OBTENIDO CON UN HALOMALONATO DE ALQUILO INFERIOR EN PRESENCIA DE UNA BASE. 4. ESTERIFICACION DE UN ACIDO OBTENIDO EN 1 .-3 . POR REACCION CON UN R1-HALURO EN PRESENCIA DE UNA BASE. 5. FORMACION DE UNA SAL FARMACEUTICAMENTE ACEPTABLE, POR REACCION CON UNA BASE FARMACEUTICAMENTE ACEPTABLE. *FORMULA* *
ES493763A 1979-08-16 1980-07-28 Procedimiento para la preparacion de acidos alcoxi benzofu- ran carboxilicos Granted ES493763A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/067,243 US4229467A (en) 1979-08-16 1979-08-16 Alkoxy benzofuran carboxylic acids and salts and esters thereof as hypolipidemic agents

Publications (2)

Publication Number Publication Date
ES8106511A1 true ES8106511A1 (es) 1981-08-01
ES493763A0 ES493763A0 (es) 1981-08-01

Family

ID=22074675

Family Applications (1)

Application Number Title Priority Date Filing Date
ES493763A Granted ES493763A0 (es) 1979-08-16 1980-07-28 Procedimiento para la preparacion de acidos alcoxi benzofu- ran carboxilicos

Country Status (12)

Country Link
US (1) US4229467A (es)
JP (1) JPS5636476A (es)
AU (1) AU6045880A (es)
BE (1) BE884782A (es)
DE (1) DE3028197A1 (es)
ES (1) ES493763A0 (es)
FR (1) FR2463136A1 (es)
GB (1) GB2056446A (es)
IL (1) IL60592A0 (es)
IT (1) IT1133039B (es)
NL (1) NL8004148A (es)
ZA (1) ZA804058B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1141663A (en) * 1979-09-06 1983-02-22 Yukihisa Ishii Ophthalmic solution for intraocular pressure adjustment
US4822803A (en) * 1983-10-31 1989-04-18 Merck Frosst Canada, Inc. Benzofuran 2-carboxylic acid hydrazides useful as inhibitors of leukotriene biosynthesis
US4663347A (en) * 1983-10-31 1987-05-05 Merck Frosst Canada, Inc. Benzofuran 2-carboxylic acid esters useful as inhibitors of leukotriene biosynthesis
US4933351A (en) * 1983-10-31 1990-06-12 Merck Frosst Canada, Inc. Benzofuran 2-carbox amides useful as inhibitors of leukoriene biosynthesis
EP0146243A1 (en) * 1983-10-31 1985-06-26 Merck Frosst Canada Inc. Lipoxygenase inhibitors
US4745127A (en) * 1983-10-31 1988-05-17 Merck Frosst Canada, Inc. Benzyl esters of benzofuran-2-carboxylic acids useful as inhibitors of leukotriene biosynthesis
US4751306A (en) * 1985-09-09 1988-06-14 E. I. Du Pont De Nemours And Company Imide intermediates for the preparation of analgesic and/or antagonist octahydrobenzofuroisoquinolines
DE102006060597A1 (de) * 2006-12-21 2008-06-26 Merck Patent Gmbh Verfahren zur Herstellung von Benzofuran-2-carboxamiden
CN112645917B (zh) * 2020-12-16 2022-12-20 苏州阿德旺斯新材料有限公司 一种光响应相变材料及应用

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1008260A (en) 1961-05-19 1965-10-27 Byk Gulden Lomberg Chem Fab Process for the production of substituted benzofuran derivatives
DE2828396A1 (de) * 1977-06-30 1979-01-11 Shell Int Research Benzofuran- bzw. dihydrobenzofuranderivate

Also Published As

Publication number Publication date
FR2463136A1 (fr) 1981-02-20
IT8049477A0 (it) 1980-08-12
DE3028197A1 (de) 1981-03-12
IL60592A0 (en) 1980-09-16
BE884782A (fr) 1980-12-01
GB2056446A (en) 1981-03-18
NL8004148A (nl) 1981-02-18
AU6045880A (en) 1981-02-19
JPS5636476A (en) 1981-04-09
ZA804058B (en) 1981-07-29
ES493763A0 (es) 1981-08-01
IT1133039B (it) 1986-07-09
US4229467A (en) 1980-10-21

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