ES481882A1 - Un procedimiento para la preparacion de acido 6-cloro-alfa- metilcarbazol-2-acetico. - Google Patents

Un procedimiento para la preparacion de acido 6-cloro-alfa- metilcarbazol-2-acetico.

Info

Publication number
ES481882A1
ES481882A1 ES481882A ES481882A ES481882A1 ES 481882 A1 ES481882 A1 ES 481882A1 ES 481882 A ES481882 A ES 481882A ES 481882 A ES481882 A ES 481882A ES 481882 A1 ES481882 A1 ES 481882A1
Authority
ES
Spain
Prior art keywords
preparation
carbazoles
chloro
intermediates therefor
methylcarbazole
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
ES481882A
Other languages
English (en)
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche 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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of ES481882A1 publication Critical patent/ES481882A1/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D209/00Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/56Ring systems containing three or more rings
    • C07D209/80[b, c]- or [b, d]-condensed
    • C07D209/82Carbazoles; Hydrogenated carbazoles
    • C07D209/86Carbazoles; Hydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/04Centrally acting analgesics, e.g. opioids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D209/00Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/56Ring systems containing three or more rings
    • C07D209/80[b, c]- or [b, d]-condensed
    • C07D209/82Carbazoles; Hydrogenated carbazoles
    • C07D209/88Carbazoles; 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pain & Pain Management (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Neurosurgery (AREA)
  • Neurology (AREA)
  • Rheumatology (AREA)
  • Indole Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Coloring (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1. Un procedimiento para la preparación de ácido 6-cloro- alfa-metilcarbazol-2-acético, caracterizado porque comprende a) tratar el compuesto alfa hidroxilado del ácido 6-cloro- alfa-metilcarbazol-2-acético de la fórmula IIIb **(Fórmula 01)** con un agente deshidratante, b) hidrogenar el compuesto obtenido de la fórmula **(Fórmula 02)** y c) recuperar el producto de la etapa b) constituido por el ácido 6-cloro-alfa-metilcarbazol-2-acético, de la fórmula **(Fórmula 03)**
ES481882A 1978-06-26 1979-06-25 Un procedimiento para la preparacion de acido 6-cloro-alfa- metilcarbazol-2-acetico. Expired ES481882A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/919,010 US4150031A (en) 1978-06-26 1978-06-26 Hydroxy methyl carbazole acetic acid and esters

Publications (1)

Publication Number Publication Date
ES481882A1 true ES481882A1 (es) 1980-06-16

Family

ID=25441338

Family Applications (2)

Application Number Title Priority Date Filing Date
ES481882A Expired ES481882A1 (es) 1978-06-26 1979-06-25 Un procedimiento para la preparacion de acido 6-cloro-alfa- metilcarbazol-2-acetico.
ES489612A Expired ES8102555A1 (es) 1978-06-26 1980-03-15 Un procedimiento para la preparacion de acido 6-cloro-alfa- metilcarbazol-2-acetico

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES489612A Expired ES8102555A1 (es) 1978-06-26 1980-03-15 Un procedimiento para la preparacion de acido 6-cloro-alfa- metilcarbazol-2-acetico

Country Status (13)

Country Link
US (1) US4150031A (es)
EP (1) EP0006606B1 (es)
JP (2) JPS6040421B2 (es)
AT (1) ATE2144T1 (es)
CA (1) CA1107745A (es)
DK (1) DK247279A (es)
ES (2) ES481882A1 (es)
FI (1) FI792007A (es)
GR (1) GR72469B (es)
HU (1) HU178581B (es)
NO (1) NO149353C (es)
PT (1) PT69814A (es)
YU (1) YU149079A (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK12785A (da) * 1984-02-07 1985-08-08 Hoffmann La Roche Fremgangsmaade til fremstilling af carbazolderivater
JPH0451260Y2 (es) * 1987-07-13 1992-12-02
JPH0413006U (es) * 1990-05-16 1992-02-03
US6268526B1 (en) 1998-12-16 2001-07-31 Albemarle Corporation Palladium catalyzed carbonylation process utilizing aromatic substituted alcohols and/or aromatic substituted alkyl halides
US9611217B2 (en) 2015-05-06 2017-04-04 Chemwerth, Inc. Synthetic processes of carprofen
CN106187860A (zh) * 2016-05-13 2016-12-07 凯默斯股份有限公司 卡洛芬的合成方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR205331A1 (es) * 1972-07-24 1976-04-30 Hoffmann La Roche Procedimiento para la preparacion de carbazoles
US3896145A (en) * 1972-07-24 1975-07-22 Hoffmann La Roche Carbazoles
US4057640A (en) * 1973-07-18 1977-11-08 Schering Aktiengesellschaft 5,6,7,8:Tetrahydrocarbazole-1-carboxylic acid derivatives

Also Published As

Publication number Publication date
EP0006606A1 (en) 1980-01-09
NO792126L (no) 1979-12-28
ATE2144T1 (de) 1983-01-15
GR72469B (es) 1983-11-10
JPS6034946A (ja) 1985-02-22
YU149079A (en) 1983-10-31
NO149353C (no) 1984-04-04
FI792007A (fi) 1979-12-27
HU178581B (en) 1982-05-28
NO149353B (no) 1983-12-27
ES489612A0 (es) 1981-02-16
JPS5522667A (en) 1980-02-18
PT69814A (en) 1979-07-01
JPS6040421B2 (ja) 1985-09-11
US4150031A (en) 1979-04-17
EP0006606B1 (en) 1982-12-29
CA1107745A (en) 1981-08-25
ES8102555A1 (es) 1981-02-16
DK247279A (da) 1979-12-27

Similar Documents

Publication Publication Date Title
ES476220A1 (es) Procedimiento de preparacion del alcohol (s)-a-ciano-3-feno-xibencilico
ES476919A1 (es) Procedimiento para la preparacion de nuevos compuestos de 2-pirrolidona.
ES8504447A1 (es) Un procedimiento para preparar una composicion anticaspa para el cuidado del cabello
ES8102555A1 (es) Un procedimiento para la preparacion de acido 6-cloro-alfa- metilcarbazol-2-acetico
AU524125B2 (en) Bipolar refining of lead
ES8502092A1 (es) Un procedimiento de resolucion de trans-d1-1-n-propil-6-oxodecahidroquinolina en sus isomeros opticos
JPS5557593A (en) Novel manufacture of compound derived from 77aminothiazolylacetoamidocephalosporanic acid
DE2961465D1 (en) Process for the preparation of 3,3-dimethyl-2-oxo-butanoic acid
ES467886A1 (es) Procedimiento para la preparacion de derivados de acido oleanoico.
GB2021575B (en) Process for the preparation of (4 -(4 - chlorobenzoylamino - ethyl)-phenoxyl)- isbutyric acid
SU669588A1 (ru) Способ изготовления изделий из ячеистобетонных смесей
SU701000A1 (ru) Способ непрерывного литья
DE2961367D1 (en) Process for the preparation of tetrahydrofuran
JPS5350184A (en) Novel imides and their preparation
JPS5422369A (en) Novel delta-lactone and its preparation
JPS5414961A (en) Novel 3-hydroxyazetidine-3-carboxylic derivative
GB2016450B (en) Production of 2,2',4,4',6,6'-hexanitrostilbene
SU1072616A1 (ru) Способ регистрации нейтронов
SU811519A1 (ru) Способ получения белкового раствора
JPS53141261A (en) Intermediates for prostaglandins and process for their preparation
SU940601A1 (ru) Способ получения диэлектрических покрытий
JPS5283520A (en) Novel 2-arylthio-cyclopentanones
SU1081999A1 (ru) Способ получения клея
JO969B1 (en) Derivatives of penicillic acid
DE2961911D1 (en) Process for the preparation of 2,4,5-trichloropyrimidine