WO2005069742A3 - Crystal form ii of memantine hydrochloride - Google Patents

Crystal form ii of memantine hydrochloride Download PDF

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Publication number
WO2005069742A3
WO2005069742A3 PCT/IN2004/000386 IN2004000386W WO2005069742A3 WO 2005069742 A3 WO2005069742 A3 WO 2005069742A3 IN 2004000386 W IN2004000386 W IN 2004000386W WO 2005069742 A3 WO2005069742 A3 WO 2005069742A3
Authority
WO
WIPO (PCT)
Prior art keywords
crystal form
memantine hydrochloride
memantine
hydrochloride
crystalline
Prior art date
Application number
PCT/IN2004/000386
Other languages
French (fr)
Other versions
WO2005069742A2 (en
Inventor
Ashok Punju Borase
Nagarajan Periyandi
Srinivasu Kilaru
Rajamannar Thennati
Original Assignee
Sun Pharmaceutical Ind Ltd
Ashok Punju Borase
Nagarajan Periyandi
Srinivasu Kilaru
Rajamannar Thennati
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 Sun Pharmaceutical Ind Ltd, Ashok Punju Borase, Nagarajan Periyandi, Srinivasu Kilaru, Rajamannar Thennati filed Critical Sun Pharmaceutical Ind Ltd
Publication of WO2005069742A2 publication Critical patent/WO2005069742A2/en
Publication of WO2005069742A3 publication Critical patent/WO2005069742A3/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00—Compounds containing amino groups bound to a carbon skeleton
    • C07C211/33—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of rings other than six-membered aromatic rings
    • C07C211/34—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of rings other than six-membered aromatic rings of a saturated carbon skeleton
    • C07C211/38—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of rings other than six-membered aromatic rings of a saturated carbon skeleton containing condensed ring systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00—Systems containing at least three condensed rings
    • C07C2603/56—Ring systems containing bridged rings
    • C07C2603/58—Ring systems containing bridged rings containing three rings
    • C07C2603/70—Ring systems containing bridged rings containing three rings containing only six-membered rings
    • C07C2603/74—Adamantanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Crystalline memantine hydrochloride with improved properties.
PCT/IN2004/000386 2003-12-10 2004-12-10 Crystal form ii of memantine hydrochloride WO2005069742A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN1258MU2003 2003-12-10
IN1258/MUM/2003 2003-12-10

Publications (2)

Publication Number Publication Date
WO2005069742A2 WO2005069742A2 (en) 2005-08-04
WO2005069742A3 true WO2005069742A3 (en) 2006-04-20

Family

ID=34803687

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2004/000386 WO2005069742A2 (en) 2003-12-10 2004-12-10 Crystal form ii of memantine hydrochloride

Country Status (1)

Country Link
WO (1) WO2005069742A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE444950T1 (en) * 2005-01-11 2009-10-15 Teva Pharm Fine Chemicals Srl METHOD FOR PRODUCING 1-AMINO-3,5-DIMETHYLADAMANTAN HYDROCHLORIDE
WO2009057140A2 (en) * 2007-10-30 2009-05-07 Msn Laboratories Limited Improved process for memantine hydrochloride
US20090247644A1 (en) * 2008-03-28 2009-10-01 Forest Laboratories Holdings Limited Memantine formulations
JP2016169166A (en) * 2015-03-11 2016-09-23 株式会社トクヤマ Production method of 1-amino-3,5-dimethyladamantane hydrochloride
CN106966909B (en) * 2016-09-06 2019-04-12 南京优科制药有限公司 A kind of purification process of memantine
JP2019048790A (en) * 2017-09-12 2019-03-28 宇部興産株式会社 Crystal of 1-amino-3,5-dimethyl adamantane hydrochloride
JP2019156756A (en) * 2018-03-13 2019-09-19 宇部興産株式会社 Crystal of 1-amino-3,5-dimethyladamantane hydrochloride

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122193A (en) * 1972-04-20 1978-10-24 Merz & Co. Drugs or medicines for influencing the central nervous system
CN1125033C (en) * 2001-08-29 2003-10-22 中国科学院广州化学研究所 Synthesis of memantine hydrochloride
RU2246482C2 (en) * 2002-12-25 2005-02-20 ООО "Циклан" Method for preparing 1-amino-3,5-dimethyladamantane hydrochloride

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122193A (en) * 1972-04-20 1978-10-24 Merz & Co. Drugs or medicines for influencing the central nervous system
CN1125033C (en) * 2001-08-29 2003-10-22 中国科学院广州化学研究所 Synthesis of memantine hydrochloride
RU2246482C2 (en) * 2002-12-25 2005-02-20 ООО "Циклан" Method for preparing 1-amino-3,5-dimethyladamantane hydrochloride

Also Published As

Publication number Publication date
WO2005069742A2 (en) 2005-08-04

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