PE20091088A1 - Proceso para la preparacion de medetomidina - Google Patents

Proceso para la preparacion de medetomidina

Info

Publication number
PE20091088A1
PE20091088A1 PE2008001820A PE2008001820A PE20091088A1 PE 20091088 A1 PE20091088 A1 PE 20091088A1 PE 2008001820 A PE2008001820 A PE 2008001820A PE 2008001820 A PE2008001820 A PE 2008001820A PE 20091088 A1 PE20091088 A1 PE 20091088A1
Authority
PE
Peru
Prior art keywords
dimethylbenzyl
aldehyde
dimethyl
reacting
temperature equal
Prior art date
Application number
PE2008001820A
Other languages
English (en)
Inventor
Rasik Somaiya
Jonathan Cranke
Kristian Bragg
Muhammad Raza
Original Assignee
Norbrook Lab Ltd
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 Norbrook Lab Ltd filed Critical Norbrook Lab Ltd
Publication of PE20091088A1 publication Critical patent/PE20091088A1/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/56—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms
    • C07D233/58—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring nitrogen atoms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/04—Centrally acting analgesics, e.g. opioids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/20—Hypnotics; Sedatives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • A61P9/12—Antihypertensives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/56—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/64—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms, e.g. histidine
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02—Silicon compounds
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/0803—Compounds with Si-C or Si-Si linkages
    • C07F7/081—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te
    • C07F7/0812—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te comprising a heterocyclic ring

Landscapes

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

Abstract

REFERIDA UN PROCEDIMIENTO PARA PREPARAR MEDETOMIDINA QUE COMPRENDE: A) REACCIONAR UN HALURO DE 2,3-DIMETILBENCILO CON ETOXIDO DE SODIO Y 2-NITROPROPANO A UNA TEMPERATURA IGUAL O INFERIOR A 50 °C PARA FORMAR ALDEHIDO DE 2,3-DIMETILBENCILO; B) AGREGAR ALDEHIDO DE 2,3-DIMETILBENCILO A UNA SOLUCION DE HALURO DE METILMAGNESIO PARA FORMAR ALCOHOL 2,3-DIMETIL-METILBENCILICO; Y C) REACCIONAR EL ALCOHOL 2,3-DIMETIL-METILBENCILICO CON N-TRIMETILSILILIMIDAZOL EN PRESENCIA DE CLORURO DE TITANIO (IV) EN CLORURO DE METILENO ANHIDRO A UNA TEMPERATURA IGUAL O INFERIOR A 45 °C. DICHO PROCESO ES INDUSTRIALMENTE INOCUO Y FACIL DE MANIPULAR A TEMPERATURAS RELATIVAMENTE MODERADAS
PE2008001820A 2007-10-24 2008-10-23 Proceso para la preparacion de medetomidina PE20091088A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0720891A GB2453982B (en) 2007-10-24 2007-10-24 Chemical process for the preparation of Medetomidine

Publications (1)

Publication Number Publication Date
PE20091088A1 true PE20091088A1 (es) 2009-07-20

Family

ID=38829878

Family Applications (1)

Application Number Title Priority Date Filing Date
PE2008001820A PE20091088A1 (es) 2007-10-24 2008-10-23 Proceso para la preparacion de medetomidina

Country Status (6)

Country Link
AR (1) AR068952A1 (es)
CL (1) CL2008003185A1 (es)
GB (1) GB2453982B (es)
PE (1) PE20091088A1 (es)
UY (1) UY31415A1 (es)
WO (1) WO2009053709A1 (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101921234B (zh) * 2009-06-12 2012-05-30 中国中化股份有限公司 一种制备美托咪啶的方法
CN102753532B (zh) * 2009-12-09 2015-05-13 I-技术有限公司 美托咪定的制备方法
HUE037591T2 (hu) * 2011-07-22 2018-09-28 Cambrex Karlskoga Ab Új eljárások 4. szénatomon szubsztituált imidazolok elõállítására
US9126915B2 (en) 2012-05-08 2015-09-08 Lonza Ltd. Method for preparation of 2-(2,3-dimethylphenyl)-1-propanal
WO2012172119A2 (en) * 2012-05-08 2012-12-20 Lonza Ltd Method for the preparation of medetomidine
DK2847173T3 (en) * 2012-05-08 2016-04-04 Lonza Ag METHOD OF PRODUCING Medetomidine
CN105218453B (zh) * 2012-06-28 2017-04-12 隆萨有限公司 用氯丙酮制备美托咪定的方法
CN104220408B (zh) 2012-06-28 2016-01-20 隆萨有限公司 用氯丙酮制备2-(2,3-二甲基苯基)-1-丙醛的方法
CN106588777A (zh) * 2015-10-16 2017-04-26 江苏开元医药化工有限公司 一种盐酸右美托咪定的工业化制备方法
WO2023182903A1 (ru) 2022-03-22 2023-09-28 Общество с ограниченной ответственностью "ВИК-здоровье животных" Способ получения медетомидина и его производных
CN114671811A (zh) * 2022-04-14 2022-06-28 南京正科医药股份有限公司 一种右美托咪定拆分副产物的外消旋化回收方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2101114B (en) * 1981-07-10 1985-05-22 Farmos Group Ltd Substituted imidazole derivatives and their preparation and use

Also Published As

Publication number Publication date
AR068952A1 (es) 2009-12-16
GB0720891D0 (en) 2007-12-05
GB2453982B (en) 2009-09-16
WO2009053709A1 (en) 2009-04-30
CL2008003185A1 (es) 2009-03-06
UY31415A1 (es) 2009-05-29
GB2453982A (en) 2009-04-29

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