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CA2572268A1 - Procede pour reduire les alcools residuels dans l'hydrochlorure de valacyclovir cristallin - Google Patents

Procede pour reduire les alcools residuels dans l'hydrochlorure de valacyclovir cristallin Download PDF

Info

Publication number
CA2572268A1
CA2572268A1 CA002572268A CA2572268A CA2572268A1 CA 2572268 A1 CA2572268 A1 CA 2572268A1 CA 002572268 A CA002572268 A CA 002572268A CA 2572268 A CA2572268 A CA 2572268A CA 2572268 A1 CA2572268 A1 CA 2572268A1
Authority
CA
Canada
Prior art keywords
valacyclovir hydrochloride
storage
valacyclovir
formylvalacyclovir
hydrochloride
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.)
Abandoned
Application number
CA002572268A
Other languages
English (en)
Inventor
Ben-Zion Dolitzky
Igor Lifshitz
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.)
Teva Pharmaceutical Industries Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2572268A1 publication Critical patent/CA2572268A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D473/00Heterocyclic compounds containing purine ring systems
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12Antivirals
    • A61P31/20Antivirals for DNA viruses
    • A61P31/22Antivirals for DNA viruses for herpes viruses
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D473/00Heterocyclic compounds containing purine ring systems
    • C07D473/02Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
    • C07D473/18Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 one oxygen and one nitrogen atom, e.g. guanine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Virology (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Molecular Biology (AREA)
  • Communicable Diseases (AREA)
  • Oncology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CA002572268A 2004-06-30 2004-06-30 Procede pour reduire les alcools residuels dans l'hydrochlorure de valacyclovir cristallin Abandoned CA2572268A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2004/020903 WO2006011874A1 (fr) 2004-06-30 2004-06-30 Procédé pour réduire les alcools résiduels dans l'hydrochlorure de valacyclovir cristallin

Publications (1)

Publication Number Publication Date
CA2572268A1 true CA2572268A1 (fr) 2006-02-02

Family

ID=34958221

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002572268A Abandoned CA2572268A1 (fr) 2004-06-30 2004-06-30 Procede pour reduire les alcools residuels dans l'hydrochlorure de valacyclovir cristallin

Country Status (6)

Country Link
EP (1) EP1761535A1 (fr)
JP (1) JP2008504255A (fr)
CN (1) CN1976933A (fr)
CA (1) CA2572268A1 (fr)
IL (1) IL180351A0 (fr)
WO (1) WO2006011874A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009049648A2 (fr) * 2007-10-17 2009-04-23 Pharmathen S.A. Composition pharmaceutique améliorée contenant un agent antiviral et procédé de préparation de celle-ci

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9501178D0 (en) * 1995-01-20 1995-03-08 Wellcome Found Guanine derivative
JP5043286B2 (ja) * 2001-09-07 2012-10-10 テバ ファーマシューティカル インダストリーズ リミティド バラシクロビル塩酸塩の結晶型
CA2465928C (fr) * 2001-11-14 2010-01-19 Teva Pharmaceutical Industries Ltd. Synthese et purification de valacyclovir
AU2003277433A1 (en) * 2002-10-16 2004-05-04 Teva Pharmaceutical Industries Ltd. Method for reducing residual alcohols in crystalline valacyclovir hydrochloride
EP1638972A2 (fr) * 2003-06-02 2006-03-29 Teva Pharmaceutical Industries Limited Nouvelles formes cristallines de chlorhydrate de valacyclovir

Also Published As

Publication number Publication date
EP1761535A1 (fr) 2007-03-14
IL180351A0 (en) 2007-06-03
WO2006011874A1 (fr) 2006-02-02
CN1976933A (zh) 2007-06-06
JP2008504255A (ja) 2008-02-14

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued