WO1997032851A1 - Resolution of threo-methylphenidate - Google Patents

Resolution of threo-methylphenidate Download PDF

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Publication number
WO1997032851A1
WO1997032851A1 PCT/GB1997/000643 GB9700643W WO9732851A1 WO 1997032851 A1 WO1997032851 A1 WO 1997032851A1 GB 9700643 W GB9700643 W GB 9700643W WO 9732851 A1 WO9732851 A1 WO 9732851A1
Authority
WO
WIPO (PCT)
Prior art keywords
threo
resolution
methyiphenidate
methylphenidate
acid
Prior art date
Application number
PCT/GB1997/000643
Other languages
French (fr)
Inventor
Hooshang Shahriari Zavareh
Original Assignee
Medeva Europe Limited
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
Priority claimed from GBGB9604943.2A external-priority patent/GB9604943D0/en
Application filed by Medeva Europe Limited filed Critical Medeva Europe Limited
Priority to EP97906283A priority Critical patent/EP0885191B1/en
Priority to CA002243542A priority patent/CA2243542C/en
Priority to AU21024/97A priority patent/AU700836B2/en
Priority to DK97906283T priority patent/DK0885191T3/en
Priority to US09/142,486 priority patent/US6121453A/en
Priority to DE69710051T priority patent/DE69710051T2/en
Priority to KR19980706863A priority patent/KR100459149B1/en
Priority to AT97906283T priority patent/ATE212336T1/en
Priority to JP53159297A priority patent/JP4138005B2/en
Publication of WO1997032851A1 publication Critical patent/WO1997032851A1/en

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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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/445—Non condensed piperidines, e.g. piperocaine
    • A61K31/4458—Non condensed piperidines, e.g. piperocaine only substituted in position 2, e.g. methylphenidate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0004—Crystallisation cooling by heat exchange
    • B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange

Definitions

  • This invention relates to the resolution of threo methyiphenidate via crystallisation of diastereomeric salts.
  • Methyiphenidate was first prepared as a mixture of the erythro and threo racemates.
  • US-A-2957880 discloses studies upon the two racemic mixtures, which revealed that the therapeutic activity resides in the threo diastereomer.
  • threo methyiphenidate can be achieved using the expensive resolving agent 1, r-binaphthyl-2,2'-diylhydrogen phosphate, a process first reported by Patrick et al (The Journal of Pharmacology and Experimental Therapeutics, 241 : 152- 158 (1987)), and subsequently used by other workers in the field (e.g. Aoyama et al, Journal of Chromatography, 494:420 (1989)).
  • This is perceived to be a more efficient procedure than the method disclosed in US-A-2957880, wherein the corresponding amide of erythro methyiphenidate (i.e. R-CONR 2 rather than R-CON 2 Me) is resolved with tartaric acid prior to amide hydrolysis and equilibration at the benzylic centre, followed by esterification of the resultant threo-acid.
  • This invention is based upon the discovery that racemic threo methyiphenidate can be resolved using inexpensive (-)-menthoxyacetic acid. Description of the Invention
  • the process of this invention may be carried out under conditions that are generally known to those skilled in the art of classical salt resolution procedures.
  • a mixture of threo methyiphenidate free base and 1 molar equivalent of (-)- menthoxyacetic acid in an inert organic solvent is heated and then allowed to cool; the resultant precipitate is filtered, washed with an appropriate solvent and dried to afford directly a salt enriched in 98% ee d-threo methyiphenidate.
  • Example dJ-threo methyiphenidate (1.0 g, 3.7 mmol) was suspended in water (20 mi) and treated with caustic solution. The liberated free base was extracted with MTBE (3 x 25 ml), dried over MgSO and evaporated to a light oil. This was dissolved in IP A ( 15 ml) and heated to 60°C.
  • (-)-Menthoxyacetic acid (0.79 g, 3.79 mmol) in EPA (5 ml) was added. Heating was continued for a further 30 min and the mixture was gradually cooled to 10 °C.
  • the resulting white crystalline product was filtered off, washed with cold IP A and dried (0.85 g, 47% by weight, corresponding to 98% ee d-threo methyiphenidate, as determined by chiral HPLC after salt cracking).

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Hydrogenated Pyridines (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Read Only Memory (AREA)

Abstract

A process for preparing substantially single enantiomer d-threo-methylphenidate, proceeds by means of a classical salt resolution using (-)-menthoxyacetic acid.

Description

RESOLUTION OF m O-METHYLPHENIDATE Field of the Invention
This invention relates to the resolution of threo methyiphenidate via crystallisation of diastereomeric salts. Background of the Invention
Methyiphenidate was first prepared as a mixture of the erythro and threo racemates. US-A-2957880 discloses studies upon the two racemic mixtures, which revealed that the therapeutic activity resides in the threo diastereomer.
The resolution of threo methyiphenidate can be achieved using the expensive resolving agent 1, r-binaphthyl-2,2'-diylhydrogen phosphate, a process first reported by Patrick et al (The Journal of Pharmacology and Experimental Therapeutics, 241 : 152- 158 (1987)), and subsequently used by other workers in the field (e.g. Aoyama et al, Journal of Chromatography, 494:420 (1989)). This is perceived to be a more efficient procedure than the method disclosed in US-A-2957880, wherein the corresponding amide of erythro methyiphenidate (i.e. R-CONR2 rather than R-CON2Me) is resolved with tartaric acid prior to amide hydrolysis and equilibration at the benzylic centre, followed by esterification of the resultant threo-acid.
An improved resolution process is described in PCT/GB97/00185. Such a resolution can be combined with the racemisation described in PCT/GB97/00281. Summary of the Invention
This invention is based upon the discovery that racemic threo methyiphenidate can be resolved using inexpensive (-)-menthoxyacetic acid. Description of the Invention
The process of this invention may be carried out under conditions that are generally known to those skilled in the art of classical salt resolution procedures. For example, a mixture of threo methyiphenidate free base and 1 molar equivalent of (-)- menthoxyacetic acid in an inert organic solvent is heated and then allowed to cool; the resultant precipitate is filtered, washed with an appropriate solvent and dried to afford directly a salt enriched in 98% ee d-threo methyiphenidate. This is a great improvement on the literature method using 1, -binaphthyI-2,2'-diylhydrogen phosphate, described by Patrick et al, supra, in which the first crystallisation gave a salt corresponding to 85-90% ee material, and further recrystallisation of this material was necessary to raise the ee to 95-97%. The latter level of optical purity is achieved in the present invention in one crystallisation, with an overall higher yield. The method of this invention is therefore more efficient and more economical than the one described by Patrick et al. The following Example illustrates the resolution of threo methyiphenidate using
(-)-menthoxyacetic acid. Example dJ-threo methyiphenidate (1.0 g, 3.7 mmol) was suspended in water (20 mi) and treated with caustic solution. The liberated free base was extracted with MTBE (3 x 25 ml), dried over MgSO and evaporated to a light oil. This was dissolved in IP A ( 15 ml) and heated to 60°C. (-)-Menthoxyacetic acid (0.79 g, 3.79 mmol) in EPA (5 ml) was added. Heating was continued for a further 30 min and the mixture was gradually cooled to 10 °C. The resulting white crystalline product was filtered off, washed with cold IP A and dried (0.85 g, 47% by weight, corresponding to 98% ee d-threo methyiphenidate, as determined by chiral HPLC after salt cracking).

Claims

CLAIM
A process for preparing substantially single enantiomer <i-/Λreo-methylphenidate, which proceeds by means of a classical salt resolution using (-)-menthoxyacetic acid.
PCT/GB1997/000643 1996-03-08 1997-03-07 Resolution of threo-methylphenidate WO1997032851A1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP97906283A EP0885191B1 (en) 1996-03-08 1997-03-07 Resolution of threo-methylphenidate
CA002243542A CA2243542C (en) 1996-03-08 1997-03-07 Resolution of threo-methylphenidate
AU21024/97A AU700836B2 (en) 1996-03-08 1997-03-07 Resolution of threo-methylphenidate
DK97906283T DK0885191T3 (en) 1996-03-08 1997-03-07 Cleavage of threo-methylphenidate
US09/142,486 US6121453A (en) 1996-03-08 1997-03-07 Resolution of threo-methylphenidate
DE69710051T DE69710051T2 (en) 1996-03-08 1997-03-07 RESOLUTION METHOD OF THREO-METHYLPHENIDATE
KR19980706863A KR100459149B1 (en) 1996-03-08 1997-03-07 Separation method of threo-methylphenidate
AT97906283T ATE212336T1 (en) 1996-03-08 1997-03-07 DISSOLUTION PROCESS OF THREO-METHYLPHENIDATE
JP53159297A JP4138005B2 (en) 1996-03-08 1997-03-07 Split of treomethylphenidate

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GBGB9604943.2A GB9604943D0 (en) 1996-03-08 1996-03-08 Resolution
GB9604943.2 1996-03-08
US1698696P 1996-05-07 1996-05-07
US60/016,986 1996-05-07

Publications (1)

Publication Number Publication Date
WO1997032851A1 true WO1997032851A1 (en) 1997-09-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1997/000643 WO1997032851A1 (en) 1996-03-08 1997-03-07 Resolution of threo-methylphenidate

Country Status (11)

Country Link
EP (1) EP0885191B1 (en)
JP (1) JP4138005B2 (en)
KR (1) KR100459149B1 (en)
AT (1) ATE212336T1 (en)
AU (1) AU700836B2 (en)
CA (1) CA2243542C (en)
DE (1) DE69710051T2 (en)
DK (1) DK0885191T3 (en)
ES (1) ES2173422T3 (en)
PT (1) PT885191E (en)
WO (1) WO1997032851A1 (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998031668A1 (en) * 1997-01-17 1998-07-23 Medeva Europe Limited Resolution of ritalinic acid salt
US6100401A (en) * 1998-04-20 2000-08-08 Novartris Ag Process for preparing the d-threo isomer of methylphenidate hydrochloride
US6162919A (en) * 1998-12-03 2000-12-19 Novartis Ag Process for preparing the d-threo isomer of methylphenidate hydrochloride
US7115631B2 (en) 1995-12-04 2006-10-03 Celgene Corporation Methods for treatment of cognitive and menopausal disorders with D-threo methylphenidate
US7229557B2 (en) 2004-02-04 2007-06-12 Konec, Inc. Method to separate stereoisomers
US8552030B2 (en) 2009-05-07 2013-10-08 Malladi Drugs & Pharmaceuticals Ltd. Process for the preparation of d-threo-ritalinic acid hydrochloride by resolution of dl-threo-ritalinic acid using chiral carboxylic acid
US8916588B2 (en) 2011-03-23 2014-12-23 Ironshore Pharmaceuticals & Development, Inc. Methods for treatment of attention deficit hyperactivity disorder
US8927010B2 (en) 2011-03-23 2015-01-06 Ironshore Pharmaceuticals & Development, Inc. Compositions for treatment of attention deficit hyperactivity disorder
US9028868B2 (en) 2011-03-23 2015-05-12 Ironshore Pharmaceuticals & Development, Inc. Methods and compositions for treatment of attention deficit disorder
US9119809B2 (en) 2011-03-23 2015-09-01 Ironshore Pharmaceuticals & Development, Inc. Compositions for treatment of attention deficit hyperactivity disorder
US9283214B2 (en) 2011-03-23 2016-03-15 Ironshore Pharmaceuticals & Development, Inc. Compositions for treatment of attention deficit hyperactivity disorder
US9498447B2 (en) 2011-03-23 2016-11-22 Ironshore Pharmaceuticals & Development, Inc. Compositions for treatment of attention deficit hyperactivity disorder
US9603809B2 (en) 2011-03-23 2017-03-28 Ironshore Pharmaceuticals & Development, Inc. Methods of treatment of attention deficit hyperactivity disorder
US10292937B2 (en) 2011-03-23 2019-05-21 Ironshore Pharmaceuticals & Development, Inc. Methods of treatment of attention deficit hyperactivity disorder
US10905652B2 (en) 2011-03-23 2021-02-02 Ironshore Pharmaceuticals & Development, Inc. Compositions for treatment of attention deficit hyperactivity disorder
US11241392B2 (en) 2011-03-23 2022-02-08 Ironshore Pharmaceuticals & Development, Inc. Compositions for treatment of attention deficit hyperactivity disorder

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5837284A (en) 1995-12-04 1998-11-17 Mehta; Atul M. Delivery of multiple doses of medications
US6962997B1 (en) 1997-05-22 2005-11-08 Celgene Corporation Process and intermediates for resolving piperidyl acetamide steroisomers

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2957880A (en) * 1953-12-23 1960-10-25 Ciba Pharm Prod Inc Process for the conversion of stereoisomers
JPS5538363A (en) * 1978-09-13 1980-03-17 Yoshitomi Pharmaceut Ind Ltd Preparation of optically active n-mercaptoacyl-imino acid
US4196303A (en) * 1978-03-20 1980-04-01 Scm Corporation d-Isomenthoxyacetic acid

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2957880A (en) * 1953-12-23 1960-10-25 Ciba Pharm Prod Inc Process for the conversion of stereoisomers
US4196303A (en) * 1978-03-20 1980-04-01 Scm Corporation d-Isomenthoxyacetic acid
JPS5538363A (en) * 1978-09-13 1980-03-17 Yoshitomi Pharmaceut Ind Ltd Preparation of optically active n-mercaptoacyl-imino acid

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 4, no. 73 (C - 012) 28 May 1980 (1980-05-28) *
PATRICK K. S.; CALDWELL R. W.; FERRIS R. M.; BREESE G.R.: "Pharmacology of the Enantiomers of threo-Methylphenidate", J. PHARMACOL. EXP. THER., vol. 241, no. 1, 1987, pages 152 - 8, XP000612231 *

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7115631B2 (en) 1995-12-04 2006-10-03 Celgene Corporation Methods for treatment of cognitive and menopausal disorders with D-threo methylphenidate
WO1998031668A1 (en) * 1997-01-17 1998-07-23 Medeva Europe Limited Resolution of ritalinic acid salt
US6441178B2 (en) 1997-01-17 2002-08-27 Medeva Europe Limited Resolution of ritalinic acid salt
US6100401A (en) * 1998-04-20 2000-08-08 Novartris Ag Process for preparing the d-threo isomer of methylphenidate hydrochloride
US6162919A (en) * 1998-12-03 2000-12-19 Novartis Ag Process for preparing the d-threo isomer of methylphenidate hydrochloride
US7229557B2 (en) 2004-02-04 2007-06-12 Konec, Inc. Method to separate stereoisomers
US8552030B2 (en) 2009-05-07 2013-10-08 Malladi Drugs & Pharmaceuticals Ltd. Process for the preparation of d-threo-ritalinic acid hydrochloride by resolution of dl-threo-ritalinic acid using chiral carboxylic acid
US9289394B2 (en) 2011-03-23 2016-03-22 Ironshore Pharmaceuticals & Development, Inc. Compositions for treatment of attention deficit hyperactivity disorder
US9603809B2 (en) 2011-03-23 2017-03-28 Ironshore Pharmaceuticals & Development, Inc. Methods of treatment of attention deficit hyperactivity disorder
US9023389B1 (en) 2011-03-23 2015-05-05 Ironshore Pharmaceuticals & Development, Inc. Compositions for treatment of attention deficit hyperactivity disorder
US9028868B2 (en) 2011-03-23 2015-05-12 Ironshore Pharmaceuticals & Development, Inc. Methods and compositions for treatment of attention deficit disorder
US9034902B2 (en) 2011-03-23 2015-05-19 Ironshore Pharmaceuticals & Development, Inc. Methods for treatment of attention deficit hyperactivity disorder
US9119809B2 (en) 2011-03-23 2015-09-01 Ironshore Pharmaceuticals & Development, Inc. Compositions for treatment of attention deficit hyperactivity disorder
US9283214B2 (en) 2011-03-23 2016-03-15 Ironshore Pharmaceuticals & Development, Inc. Compositions for treatment of attention deficit hyperactivity disorder
US8916588B2 (en) 2011-03-23 2014-12-23 Ironshore Pharmaceuticals & Development, Inc. Methods for treatment of attention deficit hyperactivity disorder
US9498447B2 (en) 2011-03-23 2016-11-22 Ironshore Pharmaceuticals & Development, Inc. Compositions for treatment of attention deficit hyperactivity disorder
US9511032B2 (en) 2011-03-23 2016-12-06 Ironshore Pharmaceuticals & Development, Inc. Compositions for treatment of attention deficit hyperactivity disorder
US9603808B2 (en) 2011-03-23 2017-03-28 Ironshore Pharmaceuticals & Development, Inc. Method of treatment of attention deficit hyperactivity disorder
US8927010B2 (en) 2011-03-23 2015-01-06 Ironshore Pharmaceuticals & Development, Inc. Compositions for treatment of attention deficit hyperactivity disorder
US9889095B2 (en) 2011-03-23 2018-02-13 Ironshore Pharmaceuticals & Development, Inc. Methods for treatment of attention deficit hyperactivity disorder
US10179108B2 (en) 2011-03-23 2019-01-15 Ironshore Pharmaceuticals & Development, Inc. Compositions for treatment of attention deficit hyperactivity disorder
US10182995B2 (en) 2011-03-23 2019-01-22 Ironshore Pharmaceuticals & Development, Inc. Compositions for treatment of attention deficit hyperactivity disorder
US10292937B2 (en) 2011-03-23 2019-05-21 Ironshore Pharmaceuticals & Development, Inc. Methods of treatment of attention deficit hyperactivity disorder
US10617651B2 (en) 2011-03-23 2020-04-14 Ironshore Pharmaceuticals & Development, Inc. Compositions for treatment of attention deficit hyperactivity disorder
US10881618B2 (en) 2011-03-23 2021-01-05 Ironshore Pharmaceuticals & Development, Inc. Compositions for treatment of attention deficit hyperactivity disorder
US10905652B2 (en) 2011-03-23 2021-02-02 Ironshore Pharmaceuticals & Development, Inc. Compositions for treatment of attention deficit hyperactivity disorder
US11241392B2 (en) 2011-03-23 2022-02-08 Ironshore Pharmaceuticals & Development, Inc. Compositions for treatment of attention deficit hyperactivity disorder
US11241391B2 (en) 2011-03-23 2022-02-08 Ironshore Pharmaceuticals & Development, Inc. Compositions for treatment of attention deficit hyperactivity disorder
US11911518B2 (en) 2011-03-23 2024-02-27 Ironshore Pharmaceuticals & Development, Inc. Compositions for treatment of attention deficit hyperactivity disorder

Also Published As

Publication number Publication date
DE69710051D1 (en) 2002-03-14
EP0885191B1 (en) 2002-01-23
ES2173422T3 (en) 2002-10-16
AU2102497A (en) 1997-09-22
JP2000506162A (en) 2000-05-23
EP0885191A1 (en) 1998-12-23
ATE212336T1 (en) 2002-02-15
DK0885191T3 (en) 2002-05-06
CA2243542C (en) 2003-02-18
MX202728B (en) 2001-06-29
MX9807266A (en) 1999-08-31
AU700836B2 (en) 1999-01-14
KR100459149B1 (en) 2005-06-10
DE69710051T2 (en) 2002-08-14
PT885191E (en) 2002-06-28
CA2243542A1 (en) 1997-09-12
JP4138005B2 (en) 2008-08-20
KR19990087441A (en) 1999-12-27

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