DE602005004834D1 - Ein verbessertes Verfahren für die Synthese von Methylphenidaten und Zwischenprodukten - Google Patents

Ein verbessertes Verfahren für die Synthese von Methylphenidaten und Zwischenprodukten

Info

Publication number
DE602005004834D1
DE602005004834D1 DE602005004834T DE602005004834T DE602005004834D1 DE 602005004834 D1 DE602005004834 D1 DE 602005004834D1 DE 602005004834 T DE602005004834 T DE 602005004834T DE 602005004834 T DE602005004834 T DE 602005004834T DE 602005004834 D1 DE602005004834 D1 DE 602005004834D1
Authority
DE
Germany
Prior art keywords
methylphenidates
intermediates
synthesis
improved process
substituted
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
DE602005004834T
Other languages
English (en)
Other versions
DE602005004834T2 (de
Inventor
Ashok Kumar
Dharmendra Shing
Swapnali Patil
Ganesh Devidas Mahale
Uttamrao Arjunrao Sawant
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.)
Ipca Laboratories Ltd
Original Assignee
Ipca Laboratories Ltd
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 Ipca Laboratories Ltd filed Critical Ipca Laboratories Ltd
Publication of DE602005004834D1 publication Critical patent/DE602005004834D1/de
Application granted granted Critical
Publication of DE602005004834T2 publication Critical patent/DE602005004834T2/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
    • C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
    • C07D211/08—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms
    • C07D211/18—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D211/34—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms with hydrocarbon radicals, substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Hydrogenated Pyridines (AREA)
  • Pyridine Compounds (AREA)
DE602005004834T 2004-06-15 2005-06-10 Ein verbessertes Verfahren für die Synthese von Methylphenidaten und Zwischenprodukten Expired - Fee Related DE602005004834T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
INMU06512004 2004-06-15
IN651MU2004 2004-06-15

Publications (2)

Publication Number Publication Date
DE602005004834D1 true DE602005004834D1 (de) 2008-04-03
DE602005004834T2 DE602005004834T2 (de) 2009-02-19

Family

ID=34978625

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005004834T Expired - Fee Related DE602005004834T2 (de) 2004-06-15 2005-06-10 Ein verbessertes Verfahren für die Synthese von Methylphenidaten und Zwischenprodukten

Country Status (5)

Country Link
US (1) US7459467B2 (de)
EP (1) EP1607388B1 (de)
AT (1) ATE386722T1 (de)
DE (1) DE602005004834T2 (de)
ES (1) ES2302145T3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7897777B2 (en) * 2007-01-05 2011-03-01 Archimica, Inc. Process of enantiomeric resolution of D,L-(±)-threo-methylphenidate
US9512077B2 (en) * 2013-08-14 2016-12-06 Zcl Chemicals Ltd. Process for the preparation of methylphenidate hydrochloride and its intermediates thereof
KR101969407B1 (ko) 2017-09-12 2019-08-20 한국화학연구원 선택적 수소화용 촉매 및 그것을 이용하는 선택적 수소화법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2507631A (en) 1944-01-19 1950-05-16 Ciba Pharm Prod Inc Pyridine and piperidine compounds and process of making same
US2957880A (en) * 1953-12-23 1960-10-25 Ciba Pharm Prod Inc Process for the conversion of stereoisomers

Also Published As

Publication number Publication date
ES2302145T3 (es) 2008-07-01
DE602005004834T2 (de) 2009-02-19
ATE386722T1 (de) 2008-03-15
US20050277667A1 (en) 2005-12-15
US7459467B2 (en) 2008-12-02
EP1607388A1 (de) 2005-12-21
EP1607388B1 (de) 2008-02-20

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee