ATE386722T1 - 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
ATE386722T1
ATE386722T1 AT05253597T AT05253597T ATE386722T1 AT E386722 T1 ATE386722 T1 AT E386722T1 AT 05253597 T AT05253597 T AT 05253597T AT 05253597 T AT05253597 T AT 05253597T AT E386722 T1 ATE386722 T1 AT E386722T1
Authority
AT
Austria
Prior art keywords
methylphenidates
synthesis
improved method
intermediate products
substituted
Prior art date
Application number
AT05253597T
Other languages
English (en)
Inventor
Ashok Kumar
Dharmendra Shing
Swapnali Hemant Patil
Ganesh Devidas Mahale
Uttamrao Arjunrao Sawant
Original Assignee
Ipca Lab 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 Lab Ltd filed Critical Ipca Lab Ltd
Application granted granted Critical
Publication of ATE386722T1 publication Critical patent/ATE386722T1/de

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)
AT05253597T 2004-06-15 2005-06-10 Ein verbessertes verfahren für die synthese von methylphenidaten und zwischenprodukten ATE386722T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE386722T1 true ATE386722T1 (de) 2008-03-15

Family

ID=34978625

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05253597T ATE386722T1 (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
US7459467B2 (en) 2008-12-02
US20050277667A1 (en) 2005-12-15
EP1607388A1 (de) 2005-12-21
ES2302145T3 (es) 2008-07-01
EP1607388B1 (de) 2008-02-20
DE602005004834D1 (de) 2008-04-03
DE602005004834T2 (de) 2009-02-19

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Legal Events

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