ATE335743T1 - Verfahren zur verminderung von restalkoholen im kristallinen valacyclovir-hydrochlorid - Google Patents

Verfahren zur verminderung von restalkoholen im kristallinen valacyclovir-hydrochlorid

Info

Publication number
ATE335743T1
ATE335743T1 AT03809127T AT03809127T ATE335743T1 AT E335743 T1 ATE335743 T1 AT E335743T1 AT 03809127 T AT03809127 T AT 03809127T AT 03809127 T AT03809127 T AT 03809127T AT E335743 T1 ATE335743 T1 AT E335743T1
Authority
AT
Austria
Prior art keywords
valacyclovir hydrochloride
reducing residual
crystalline valacyclovir
residual carbons
residual process
Prior art date
Application number
AT03809127T
Other languages
English (en)
Inventor
Ben-Zion Dolitzky
Igor Lifshitz
Original Assignee
Teva Pharma
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 Teva Pharma filed Critical Teva Pharma
Application granted granted Critical
Publication of ATE335743T1 publication Critical patent/ATE335743T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D473/00—Heterocyclic compounds containing purine ring systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Steroid Compounds (AREA)
AT03809127T 2002-10-16 2003-10-16 Verfahren zur verminderung von restalkoholen im kristallinen valacyclovir-hydrochlorid ATE335743T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US41927002P 2002-10-16 2002-10-16
US42732002P 2002-11-18 2002-11-18

Publications (1)

Publication Number Publication Date
ATE335743T1 true ATE335743T1 (de) 2006-09-15

Family

ID=32110230

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03809127T ATE335743T1 (de) 2002-10-16 2003-10-16 Verfahren zur verminderung von restalkoholen im kristallinen valacyclovir-hydrochlorid

Country Status (8)

Country Link
US (1) US20050070711A1 (de)
EP (1) EP1551838B1 (de)
AT (1) ATE335743T1 (de)
AU (1) AU2003277433A1 (de)
CA (1) CA2501557A1 (de)
DE (1) DE60307494D1 (de)
ES (1) ES2270172T3 (de)
WO (1) WO2004035583A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2465420A1 (en) * 2001-11-05 2003-05-15 Glaxo Group Limited Anhydrous crystal form of valaciclovir hydrochloride
CA2649826A1 (en) * 2001-11-14 2003-05-22 Teva Pharmaceutical Industries Ltd. Synthesis and purification of valacyclovir
US20050059684A1 (en) * 2002-10-16 2005-03-17 Ben-Zion Dolitzky Method for reducing residual alcohols in crystalline valacyclovir hydrochloride
US7786302B2 (en) * 2003-05-30 2010-08-31 Eczacibasi-Zentiva Kimyasal Urunler Sanayi Ve Ticaret A.S. Crystalline forms of valacyclovir hydrochloride
EP2014660A3 (de) * 2003-06-02 2009-07-15 Teva Pharmaceutical Industries Ltd Neuartige kristalline Formen von Valacyclovir-Hydrochlorid
JP2008504255A (ja) * 2004-06-30 2008-02-14 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 結晶塩酸バラシクロビル中の残留アルコールを低減する方法
EP1692134A2 (de) * 2004-09-04 2006-08-23 Teva Pharmaceutical Industries, Inc. Valacyclovir-verunreinigung, herstellungsverfahren dafür und verwendung als referenzstandard
EP1746098A1 (de) * 2005-07-21 2007-01-24 SOLMAG S.p.A. Valacyclovir Polymorphe und Verfahren zu deren Herstellung
AU2020334060A1 (en) * 2019-08-19 2022-03-24 Ucb Biosciences, Inc. Polymorphic forms of deoxycytidine, compositions comprising the same and uses

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR5161M (de) * 1965-03-25 1967-06-12
US3989849A (en) * 1973-03-23 1976-11-02 General Foods Corporation Improving the flavor of decaffeinated coffee by radio frequency heating to rapidly dry coffee beans
GB8719367D0 (en) * 1987-08-15 1987-09-23 Wellcome Found Therapeutic compounds
US5270267A (en) * 1989-05-31 1993-12-14 Mitel Corporation Curing and passivation of spin on glasses by a plasma process wherein an external polarization field is applied to the substrate
EP0665229B1 (de) * 1994-02-01 1999-11-17 Ajinomoto Co., Inc. Verfahren zur Herstellung von Nukleinsäurebasenderivaten
JP2723088B2 (ja) * 1994-09-07 1998-03-09 藤沢薬品工業株式会社 セファロスポリン化合物の新規な結晶
GB9501178D0 (en) * 1995-01-20 1995-03-08 Wellcome Found Guanine derivative
GB9501127D0 (en) * 1995-01-20 1995-03-08 Wellcome Found Tablet
GB9717629D0 (en) * 1997-08-21 1997-10-22 Johnson Matthey Plc Removal of residual organic solvents
US6258371B1 (en) * 1998-04-03 2001-07-10 Medtronic Inc Method for making biocompatible medical article
IL160721A0 (en) * 2001-09-07 2004-08-31 Teva Pharma Crystalline forms of valacyclovir hydrochloride
CA2649826A1 (en) * 2001-11-14 2003-05-22 Teva Pharmaceutical Industries Ltd. Synthesis and purification of valacyclovir
US20050059684A1 (en) * 2002-10-16 2005-03-17 Ben-Zion Dolitzky Method for reducing residual alcohols in crystalline valacyclovir hydrochloride
US7199144B2 (en) * 2003-04-21 2007-04-03 Teva Pharmaceuticals Industries, Ltd. Process for the preparation of valsartan and intermediates thereof

Also Published As

Publication number Publication date
AU2003277433A1 (en) 2004-05-04
CA2501557A1 (en) 2004-04-29
WO2004035583A1 (en) 2004-04-29
EP1551838A1 (de) 2005-07-13
EP1551838B1 (de) 2006-08-09
US20050070711A1 (en) 2005-03-31
DE60307494D1 (de) 2006-09-21
ES2270172T3 (es) 2007-04-01

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