ATE551312T1 - Verfahren zur racematspaltung von zopiclon und zwischenprodukten - Google Patents

Verfahren zur racematspaltung von zopiclon und zwischenprodukten

Info

Publication number
ATE551312T1
ATE551312T1 AT08786735T AT08786735T ATE551312T1 AT E551312 T1 ATE551312 T1 AT E551312T1 AT 08786735 T AT08786735 T AT 08786735T AT 08786735 T AT08786735 T AT 08786735T AT E551312 T1 ATE551312 T1 AT E551312T1
Authority
AT
Austria
Prior art keywords
racemat
zopiclone
cleaving
formula
intermediate products
Prior art date
Application number
AT08786735T
Other languages
English (en)
Inventor
Bleda David Fernandez
Tous Jordi Lluoes
Original Assignee
Esteve Quimica Sa
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 Esteve Quimica Sa filed Critical Esteve Quimica Sa
Application granted granted Critical
Publication of ATE551312T1 publication Critical patent/ATE551312T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B57/00—Separation of optically-active compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04—Ortho-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Indole Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
AT08786735T 2007-08-02 2008-08-01 Verfahren zur racematspaltung von zopiclon und zwischenprodukten ATE551312T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07380226A EP2020403A1 (de) 2007-08-02 2007-08-02 Verfahren zur Auflösung von Zopiclon und Zwischenprodukten
PCT/EP2008/060115 WO2009016251A1 (en) 2007-08-02 2008-08-01 Process for the resolution of zopiclone and intermediate compounds

Publications (1)

Publication Number Publication Date
ATE551312T1 true ATE551312T1 (de) 2012-04-15

Family

ID=38871700

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08786735T ATE551312T1 (de) 2007-08-02 2008-08-01 Verfahren zur racematspaltung von zopiclon und zwischenprodukten

Country Status (17)

Country Link
US (2) US7772396B2 (de)
EP (2) EP2020403A1 (de)
JP (1) JP2010535177A (de)
KR (1) KR20100044241A (de)
CN (1) CN101772475B (de)
AT (1) ATE551312T1 (de)
AU (1) AU2008281717A1 (de)
CA (1) CA2695254A1 (de)
ES (1) ES2385120T3 (de)
HR (1) HRP20120306T1 (de)
IL (1) IL203557A (de)
MX (1) MX2010001229A (de)
NZ (1) NZ583097A (de)
PL (1) PL2183201T3 (de)
RU (1) RU2010107453A (de)
SI (1) SI2183201T1 (de)
WO (1) WO2009016251A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7476737B2 (en) * 2005-09-05 2009-01-13 Dr. Reddy's Laboratories Limited Eszopiclone process
EP2123650B1 (de) * 2005-12-19 2012-04-04 Sicor, Inc. Neuartige Form von Tiotropium-Bromid und Herstellungsverfahren dafür
CN101607961B (zh) 2008-06-18 2011-08-10 天津天士力集团有限公司 一种右佐匹克隆结晶及其组合物
EP2345654A1 (de) * 2010-01-05 2011-07-20 LEK Pharmaceuticals d.d. Eszopiclon-Teilchen und Verfahren zu deren Herstellung
CN103193779B (zh) * 2012-01-05 2016-04-20 成都弘达药业有限公司 一种右佐匹克隆的制备方法
CN105960394B (zh) * 2014-02-06 2019-03-15 宇部兴产株式会社 二氢吲哚化合物的制造方法
DE102020205560B4 (de) 2020-04-30 2022-05-25 Zettl Interieur Gmbh Flexible atemschutzmaske und deren verwendung
CN113214267B (zh) * 2021-05-08 2022-06-28 上海中西三维药业有限公司 一种制备纯净且光学富集的右佐匹克隆精制方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
OA04285A (fr) 1972-01-07 1979-12-31 Rhone Poulenc Sa Nouveaux dérivés de la pyrrolo (3,4-b) pyrazine et leur préparation.
FR2671800B1 (fr) 1991-01-17 1993-03-12 Rhone Poulenc Rorer Sa Derive de la 5h-pyrrolo[3,4-b]pyrazine optiquement actif, sa preparation et les compositions pharmaceutiques qui le contiennent.
ES2203319B1 (es) 2002-04-03 2005-03-01 Universidad De Oviedo Nuevos carbonatos opticamente activos como intermedios en la sintesis de (+)-zopiclona.
ES2515092T3 (es) 2003-12-11 2014-10-29 Sunovion Pharmaceuticals Inc. Combinación de un sedante y un modulador neurotransmisor y métodos de mejorar la calidad del sueño y de tratar la depresión
WO2005079851A2 (en) 2004-02-18 2005-09-01 Sepracor, Inc. Dopamine-agonist combination therapy with sedatives for improving sleep quality
EP1732559B1 (de) 2004-04-05 2017-03-22 Sunovion Pharmaceuticals Inc. Behandlungsverfahren unter verwendung von eszopiclon
AU2006260686A1 (en) 2005-06-21 2006-12-28 Generics [Uk] Limited Process for enantiomeric separation of zopiclone
US7476737B2 (en) 2005-09-05 2009-01-13 Dr. Reddy's Laboratories Limited Eszopiclone process
WO2007083188A2 (en) 2006-01-17 2007-07-26 Glenmark Pharmaceuticals Limited Improved process for the preparation of an optically active 5h-pyrrolo [3,4-b] pyrazine derivative
US20070203145A1 (en) 2006-02-03 2007-08-30 Jie Zhu Zopiclone resolution
WO2007109799A2 (en) 2006-03-23 2007-09-27 Teva Pharmaceutical Industries Ltd. Polymorphs of eszopiclone malate
US20070270590A1 (en) 2006-04-20 2007-11-22 Marioara Mendelovici Methods for preparing eszopiclone crystalline form a, substantially pure eszopiclone and optically enriched eszopiclone

Also Published As

Publication number Publication date
US20090036681A1 (en) 2009-02-05
US20100274018A1 (en) 2010-10-28
ES2385120T3 (es) 2012-07-18
IL203557A (en) 2014-11-30
AU2008281717A1 (en) 2009-02-05
SI2183201T1 (sl) 2012-05-31
EP2020403A1 (de) 2009-02-04
CN101772475A (zh) 2010-07-07
KR20100044241A (ko) 2010-04-29
PL2183201T3 (pl) 2012-09-28
US7772396B2 (en) 2010-08-10
CA2695254A1 (en) 2009-02-05
RU2010107453A (ru) 2011-09-10
US7968712B2 (en) 2011-06-28
WO2009016251A1 (en) 2009-02-05
EP2183201A1 (de) 2010-05-12
HRP20120306T1 (hr) 2012-04-30
MX2010001229A (es) 2010-03-04
EP2183201B1 (de) 2012-03-28
CN101772475B (zh) 2013-11-06
JP2010535177A (ja) 2010-11-18
NZ583097A (en) 2011-03-31

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