CA2265276C - Modified enantiomer content of crystalline alpha-lipoic acid (rs-thioctic acid) - Google Patents

Modified enantiomer content of crystalline alpha-lipoic acid (rs-thioctic acid) Download PDF

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Publication number
CA2265276C
CA2265276C CA002265276A CA2265276A CA2265276C CA 2265276 C CA2265276 C CA 2265276C CA 002265276 A CA002265276 A CA 002265276A CA 2265276 A CA2265276 A CA 2265276A CA 2265276 C CA2265276 C CA 2265276C
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CA
Canada
Prior art keywords
thioctic acid
acid
enantiomers
thioctic
proportions
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 - Fee Related
Application number
CA002265276A
Other languages
English (en)
French (fr)
Other versions
CA2265276A1 (en
Inventor
Thomas Beisswenger
Gunter Laban
Karl-Friedrich Landgraf
Eberhard Oestreich
Matthias Rischer
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.)
Evonik Operations GmbH
Original Assignee
Evonik Degussa GmbH
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 Evonik Degussa GmbH filed Critical Evonik Degussa GmbH
Publication of CA2265276A1 publication Critical patent/CA2265276A1/en
Application granted granted Critical
Publication of CA2265276C publication Critical patent/CA2265276C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D339/00Heterocyclic compounds containing rings having two sulfur atoms as the only ring hetero atoms
    • C07D339/02Five-membered rings
    • C07D339/04Five-membered rings having the hetero atoms in positions 1 and 2, e.g. lipoic acid

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Heterocyclic Compounds Containing Sulfur Atoms (AREA)
  • Seasonings (AREA)
CA002265276A 1998-03-11 1999-03-11 Modified enantiomer content of crystalline alpha-lipoic acid (rs-thioctic acid) Expired - Fee Related CA2265276C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19810336A DE19810336A1 (de) 1998-03-11 1998-03-11 Alpha-Liponsäure mit neuartiger Modifikation
DE19810336.0 1998-03-11
US09/074,645 US5994393A (en) 1998-03-11 1998-05-08 Alpha-lipoic acid with novel modification

Publications (2)

Publication Number Publication Date
CA2265276A1 CA2265276A1 (en) 1999-09-11
CA2265276C true CA2265276C (en) 2009-09-08

Family

ID=26044524

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002265276A Expired - Fee Related CA2265276C (en) 1998-03-11 1999-03-11 Modified enantiomer content of crystalline alpha-lipoic acid (rs-thioctic acid)

Country Status (10)

Country Link
US (1) US5994393A (en, 2012)
EP (1) EP0949258B1 (en, 2012)
AT (1) ATE207914T1 (en, 2012)
CA (1) CA2265276C (en, 2012)
CY (1) CY1106435T1 (en, 2012)
DE (2) DE19810336A1 (en, 2012)
DK (1) DK0949258T3 (en, 2012)
ES (1) ES2164474T3 (en, 2012)
IN (1) IN186598B (en, 2012)
PT (1) PT949258E (en, 2012)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19834608A1 (de) * 1998-07-31 2000-02-03 Basf Ag Kristallmodifikation der Liponsäure
ATE320833T1 (de) * 2000-06-06 2006-04-15 Verwendung von einem liponsaüren -(r)- enantiomeren in kosmetika und dermatologie
DE10151764A1 (de) * 2001-10-19 2003-05-08 Basf Ag Kombination von Liponsäure und Glutamin in Lebens- und Arzneimitteln
US20090176864A1 (en) * 2004-11-24 2009-07-09 Hill's Pet Nutrition, Inc. Methods For Improving Hepatic and Immune Function In An Animal
EP1817058B1 (en) * 2004-11-24 2015-09-02 Hill's Pet Nutrition, Inc. Composition for use in improving liver clearance of xenobiotic substances in an animal
AU2005322887B2 (en) 2004-12-30 2010-03-11 Hill's Pet Nutrition, Inc. Methods for enhancing the quality of life of a senior animal
US8252742B2 (en) 2004-12-30 2012-08-28 Hill's Pet Nutrition, Inc. Methods for enhancing the quality of life of a senior animal
JP2012510511A (ja) * 2008-12-01 2012-05-10 インヴアスク セラピューテイックス インコーポレイテッド レニン−アンジオテンシン−アルドステロン系阻害剤及びリポ酸化合物を含有する組成物、並びに、レニン−アンジオテンシン−アルドステロン系に関連した疾患の治療のためのそれらの使用
CN108484570B (zh) * 2018-05-15 2021-05-04 苏州富士莱医药股份有限公司 一种制备硫辛酸颗粒的方法及设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE163849T1 (de) * 1989-11-09 1998-03-15 Asta Medica Ag Arzneimittel enthaltend als wirkstoff r-alpha- liponsäure oder s-alpha-liponsäure
DE4218572A1 (de) * 1992-06-05 1993-12-09 Asta Medica Ag Synergistische Kombination von Arzneimitteln enthaltend als Wirkstoff alpha-Liponsäure, Dihydroliponsäure, deren Metaboliten sowie die oxidierten und reduzierten Enantiomere der alpha-Liponsäure wie die R-alpha-Liponsäure oder S-alpha-Liponsäure sowie Metaboliten der alpha-Liponsäure mit den Vitaminen A, B1-6, B12, C und E
DE4235912C2 (de) * 1992-10-23 2002-12-05 Viatris Gmbh Verfahren zur Herstellung kristalliner Thioctsäure und deren Verwendung
DE4433764A1 (de) * 1994-09-22 1996-03-28 Asta Medica Ag Darreichungsformen enthaltend alpha-Liponsäure, feste Salze von R-Thioctsäure mit verbesserter Freisetzung und Bioverfügbarkeit

Also Published As

Publication number Publication date
CY1106435T1 (el) 2011-04-06
PT949258E (pt) 2002-04-29
DK0949258T3 (da) 2002-01-28
CA2265276A1 (en) 1999-09-11
DE59900364D1 (de) 2001-12-06
EP0949258A1 (de) 1999-10-13
ES2164474T3 (es) 2002-02-16
ATE207914T1 (de) 2001-11-15
DE19810336A1 (de) 1999-09-23
US5994393A (en) 1999-11-30
IN186598B (en, 2012) 2001-10-06
EP0949258B1 (de) 2001-10-31

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