DE69617948D1 - Verfahren zur Herstellung von 3-(Aminomethyl)-5-Methylhexansäure - Google Patents

Verfahren zur Herstellung von 3-(Aminomethyl)-5-Methylhexansäure

Info

Publication number
DE69617948D1
DE69617948D1 DE69617948T DE69617948T DE69617948D1 DE 69617948 D1 DE69617948 D1 DE 69617948D1 DE 69617948 T DE69617948 T DE 69617948T DE 69617948 T DE69617948 T DE 69617948T DE 69617948 D1 DE69617948 D1 DE 69617948D1
Authority
DE
Germany
Prior art keywords
aminomethyl
methylhexanoic acid
alkali
earth metal
alkaline earth
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 - Lifetime
Application number
DE69617948T
Other languages
English (en)
Other versions
DE69617948T2 (de
Inventor
Michel Grote
Keith Huckabee
Thomas Mulhern
Martin Sobieray
Daniel Titus
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.)
Warner Lambert Co LLC
Original Assignee
Warner Lambert Co LLC
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 Warner Lambert Co LLC filed Critical Warner Lambert Co LLC
Publication of DE69617948D1 publication Critical patent/DE69617948D1/de
Application granted granted Critical
Publication of DE69617948T2 publication Critical patent/DE69617948T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C227/30—Preparation of optical isomers
    • C07C227/34—Preparation of optical isomers by separation of optical isomers
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C227/04—Formation of amino groups in compounds containing carboxyl groups
    • C07C227/10—Formation of amino groups in compounds containing carboxyl groups with simultaneously increasing the number of carbon atoms in the carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C229/02—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton
    • C07C229/04—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated
    • C07C229/06—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having only one amino and one carboxyl group bound to the carbon skeleton
    • C07C229/08—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having only one amino and one carboxyl group bound to the carbon skeleton the nitrogen atom of the amino group being further bound to hydrogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
    • C07C255/19—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and carboxyl groups, other than cyano groups, bound to the same saturated acyclic carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
    • C07C255/19—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and carboxyl groups, other than cyano groups, bound to the same saturated acyclic carbon skeleton
    • C07C255/22—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and carboxyl groups, other than cyano groups, bound to the same saturated acyclic carbon skeleton containing cyano groups and at least two carboxyl groups bound to the carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Seasonings (AREA)
DE69617948T 1995-06-07 1996-05-13 Verfahren zur Herstellung von 3-(Aminomethyl)-5-Methylhexansäure Expired - Lifetime DE69617948T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/474,874 US5637767A (en) 1995-06-07 1995-06-07 Method of making (S)-3-(aminomethyl)-5-methylhexanoic acid
PCT/US1996/006819 WO1996040617A1 (en) 1995-06-07 1996-05-13 Method of making (s)-3-(aminomethyl)-5-methylhexanoic acid

Publications (2)

Publication Number Publication Date
DE69617948D1 true DE69617948D1 (de) 2002-01-24
DE69617948T2 DE69617948T2 (de) 2002-06-13

Family

ID=23885291

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69617948T Expired - Lifetime DE69617948T2 (de) 1995-06-07 1996-05-13 Verfahren zur Herstellung von 3-(Aminomethyl)-5-Methylhexansäure

Country Status (18)

Country Link
US (4) US5637767A (de)
EP (1) EP0830338B1 (de)
JP (1) JP3874306B2 (de)
AT (1) ATE210628T1 (de)
CA (1) CA2219150C (de)
CZ (2) CZ296895B6 (de)
DE (1) DE69617948T2 (de)
DK (1) DK0830338T3 (de)
EE (1) EE04053B1 (de)
ES (1) ES2170231T3 (de)
GE (1) GEP19991870B (de)
HU (2) HU229957B1 (de)
NZ (2) NZ308319A (de)
PL (3) PL185557B1 (de)
PT (1) PT830338E (de)
SI (1) SI0830338T1 (de)
SK (2) SK282865B6 (de)
WO (1) WO1996040617A1 (de)

Families Citing this family (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5858736A (en) * 1996-05-17 1999-01-12 E. I. Du Pont De Nemours And Company Preparation of lactams from aliphatic α,ω-dinitriles
DK0934061T6 (en) 1996-07-24 2015-01-26 Warner Lambert Co Isobutylgaba and its derivatives for the treatment of pain
US6194459B1 (en) 1997-08-19 2001-02-27 Warner-Lambert Company Methods for treating physiological conditions associated with the use, or sequelae of use, of cocaine or other psychomotors stimulants
CA2689997A1 (en) * 1999-06-10 2000-12-21 Warner-Lambert Company Llc Mono- and disubstituted 3-propyl gamma-aminobutyric acids
TR200400953T4 (tr) * 2000-01-27 2004-07-21 Warner Lambert Company Pregabalinin asimetrik sentezi.
GB2368579A (en) * 2000-10-31 2002-05-08 Parke Davis & Co Ltd Azole pharmaceutical agents
US7169812B2 (en) * 2003-07-01 2007-01-30 Medtronic, Inc. Process for producing injectable gabapentin compositions
EP1543831A1 (de) * 2003-12-18 2005-06-22 Pfizer GmbH Arzneimittelwerk Gödecke Zusammensetzung enthaltend Pregabalin
DE602005002253T2 (de) * 2004-03-12 2008-05-29 Warner-Lambert Company Llc C1-symmetrische bisphosphinliganden und deren verwendung bei der asymmetrischen synthese von pregabalin
UA82292C2 (uk) * 2004-04-14 2008-03-25 Пфайзер Продактс Инк. Спосіб стереоселективного біоперетворення аліфатичних динітрилів в ціанокарбонові кислоти (варіанти)
AP2466A (en) * 2004-06-21 2012-09-17 Warner Lambert Co Preparation of pregabalin and related compounds
CN101160281A (zh) * 2005-04-06 2008-04-09 特瓦制药工业有限公司 结晶形态的普瑞巴林
US7488846B2 (en) * 2005-04-11 2009-02-10 Teva Pharmaceuical Industries Ltd. Pregabalin free of lactam and a process for preparation thereof
WO2006110783A2 (en) * 2005-04-11 2006-10-19 Teva Pharmaceutical Industries Ltd. Process for making (s)-pregabalin
WO2006121557A1 (en) * 2005-05-10 2006-11-16 Teva Pharmaceutical Industries Ltd. Pregabalin free of lactam and a process for preparation thereof
EP1879854B1 (de) * 2005-05-10 2011-09-07 Teva Pharmaceutical Industries Ltd Optische lösung a us 3-carbamoylmethyl-5-methyl-hexansäure
ATE486841T1 (de) * 2005-05-10 2010-11-15 Teva Pharma Verfahren zur herstellung von pregabalin und salzen daraus
MX2007000525A (es) * 2005-05-10 2007-03-28 Teva Pharma Pregabalina libre de acido isobutilglutarico y un proceso para la preparacion de ella.
KR20080034205A (ko) * 2005-09-19 2008-04-18 테바 파마슈티컬 인더스트리즈 리미티드 (ｓ)-프레가발린의 신규한 합성을 위한 주요 중간체인 키랄3-카르바모일메틸-5-메틸 헥산산
NL2000281C2 (nl) 2005-11-02 2007-08-07 Pfizer Prod Inc Vaste farmaceutische samenstellingen die pregabaline bevatten.
CA2646474A1 (en) * 2006-04-24 2007-11-08 Teva Pharmaceutical Industries Ltd. Processes for the synthesis of 3-isobutylglutaric acid
EP2019817A2 (de) * 2006-05-24 2009-02-04 Teva Pharmaceutical Industries Ltd. Verfahren zur erzeugung von r-(+)-3-(carbamoyl-methyl)-5-methylhexansäure und ihren salzen
WO2007143113A2 (en) 2006-05-31 2007-12-13 Teva Pharmaceutical Industries Ltd. The use of enzymatic resolution for the preparation of intermediates of pregabalin
US20080015385A1 (en) * 2006-05-31 2008-01-17 Lilach Hedvati Preparation of (S)-pregabalin-nitrile
CA2657544C (en) * 2006-07-12 2013-05-28 Generics [Uk] Limited Process for preparing pregabalin
WO2008062460A2 (en) * 2006-10-06 2008-05-29 Cadila Healthcare Limited Crystalline forms of pregabalin
TW200846308A (en) * 2007-03-22 2008-12-01 Teva Pharma Synthesis of (s)-(+)-3-(aminomethyl)-5-methyl hexanoic acid
WO2008138874A1 (en) * 2007-05-09 2008-11-20 Chemo Ibérica, S.A. Process for preparing (s)-pregabalin by optical resolution of racemic pregabalin
EP1992609A1 (de) * 2007-05-14 2008-11-19 Dipharma Francis S.r.l. Verfahren für die Herstellung einer (S)(+)-3-(Aminomethyl)-5-Methylhexan-Säure
WO2009001372A2 (en) * 2007-06-25 2008-12-31 Manne Satyanarayana Reddy A novel process for the preparation of pregabalin
WO2009044409A2 (en) * 2007-10-01 2009-04-09 Natco Pharma Limited Novel resolution process for pregabalin
US20090137842A1 (en) * 2007-10-03 2009-05-28 Vollerner Yuri Pregabalin -4-eliminate, pregabalin 5-eliminate, their use as reference marker and standard, and method to produce pregabalin containing low levels thereof
ITMI20072262A1 (it) * 2007-12-03 2009-06-04 Dipharma Francis Srl Procedimento per la preparazione di acido (s)(+)-3-(amminometil)-5-metilesanoico
WO2009087674A2 (en) * 2007-12-18 2009-07-16 Watson Pharma Private Limited Improved process for the preparation of (s)-pregabalin
AU2008339583A1 (en) * 2007-12-26 2009-07-02 Generics [Uk] Limited Processes to pregabalin
WO2009084493A1 (ja) * 2007-12-27 2009-07-09 Toray Fine Chemicals Co., Ltd. 光学活性３－アミノピロリジン塩及びその製造方法並びに３－アミノピロリジンの光学分割方法
CN101910112B (zh) * 2008-01-02 2012-11-14 浙江九洲药业股份有限公司 S-3-氨甲基-5-甲基己酸拆分工艺
US20110144383A1 (en) * 2008-02-18 2011-06-16 Matrix Laboratories Limited Process for preparing (s)-3-(aminomethyl)-5-methylhexanoic acid
CN102089273A (zh) * 2008-04-04 2011-06-08 基因里克斯(英国)有限公司 新方法
EP2110372A1 (de) 2008-04-16 2009-10-21 Chemo Ibérica, S.A. Zwischenprodukte für die Herstellung von Pregabalin und deren Herstellungsverfahren
CN101585778B (zh) * 2008-05-19 2014-08-13 上海臣邦医药科技有限公司 一种普瑞巴林制备方法
CN102099482B (zh) * 2008-05-21 2014-04-16 桑多斯股份公司 5-甲基-3-硝基甲基-己酸酯的立体选择性酶水解方法
CA2723871A1 (en) * 2008-06-03 2009-12-10 Generics [Uk] Limited Process for the synthesis of .gamma. -amino acids
KR20100107500A (ko) * 2008-06-23 2010-10-05 테바 파마슈티컬 인더스트리즈 리미티드 (ｓ) 또는 (ｒ)-이소-부틸-글루타릭 에스테르의 입체선택적 효소 합성방법
WO2010061403A2 (en) * 2008-11-26 2010-06-03 Ind-Swift Laboratories Limited Process to prepare highly pure (s)-pregabalin
WO2010070593A2 (en) 2008-12-19 2010-06-24 Pfizer Ireland Pharmaceuticals Malonate esters
IT1394292B1 (it) 2009-05-07 2012-06-06 Dipharma Francis Srl Procedimento per la sintesi di pregabalina
ES2362913B1 (es) 2009-12-24 2012-05-24 Moehs Iberica S.L. Nuevo método para la preparación de (s)-pregabalina.
HUP1000186A2 (en) * 2010-04-08 2011-10-28 Richter Gedeon Nyrt Novel industrial process of preparing (s)-(+) pregabalin
WO2011141923A2 (en) 2010-05-14 2011-11-17 Lupin Limited Improved synthesis of optically pure (s) - 3-cyano-5-methyl-hexanoic acid alkyl ester, an intermediate of (s)- pregabalin
US8212072B2 (en) 2010-08-13 2012-07-03 Divi's Laboratories, Ltd. Process for the preparation of pregabalin
WO2012025861A1 (en) 2010-08-23 2012-03-01 Pfizer Manufacturing Ireland Process for the preparation of ( s ) - 3 - cyano - 5 - methylhexanoic acid derivatives adn of pregabalin
JP5230847B2 (ja) 2011-04-20 2013-07-10 財団法人乙卯研究所 ケイ素含有カルボン酸誘導体
EP2527319A1 (de) 2011-05-24 2012-11-28 Laboratorios Del. Dr. Esteve, S.A. Kristalline Formen von Pregabalin und Co-Formern zur Behandlung von Schmerzen
JP5572783B1 (ja) 2012-10-18 2014-08-13 有限会社ケムフィズ ケイ素含有カルボン酸誘導体
US10023885B2 (en) 2012-11-07 2018-07-17 Hikal Limited Process for the preparation of pregabalin
CN103980144B (zh) * 2014-05-16 2018-08-17 浙江华海药业股份有限公司 一种普瑞巴林中间体母液的套用方法
US9745249B2 (en) 2014-06-12 2017-08-29 Siegfried Ltd. Method for the preparation of beta-substituted gamma-amino carboxylic acids
CN104086439B (zh) * 2014-06-30 2018-11-16 浙江华海药业股份有限公司 一种pregabalin中间体拆分剂(R)-(+)-α-苯乙胺的回收方法
WO2016075082A1 (en) 2014-11-10 2016-05-19 Sandoz Ag Stereoselective reductive amination of alpha-chiral aldehydes using omega-transaminases for the synthesis of precursors of pregabalin and brivaracetam
CN104649919B (zh) * 2015-02-10 2021-02-12 浙江华海药业股份有限公司 一种小颗粒普瑞巴林的制备方法
CA2953225A1 (en) 2015-05-26 2016-12-01 Isa Odidi Controlled extended release pregabalin
CN105175276A (zh) * 2015-07-25 2015-12-23 安徽东凯生物科技有限公司 一种光学纯(r)-3-氨甲酰甲基-5-甲基己酸的合成方法
CN105061234A (zh) * 2015-08-18 2015-11-18 太仓运通生物化工有限公司 一种制备普瑞巴林的方法
CN105085290A (zh) * 2015-08-18 2015-11-25 太仓运通生物化工有限公司 一种合成普瑞巴林的方法
CN105348125A (zh) * 2015-11-26 2016-02-24 太仓运通生物化工有限公司 一种以异戊醛为原料合成普瑞巴林的方法
CN111333529A (zh) * 2018-12-19 2020-06-26 北京万全德众医药生物技术有限公司 普瑞巴林的一种制备方法
CN109942446B (zh) * 2019-04-17 2021-09-07 黄冈鲁班药业股份有限公司 一种普瑞巴林的制备方法
EP4230199A1 (de) 2020-12-04 2023-08-23 Laboratorios Silanes, S.A. de C.V. Stabile beschichtete feste pharmazeutische zusammensetzung eines opioid-analgetikums und eines antiepileptikums gegen schmerzen
CN112939809A (zh) * 2020-12-30 2021-06-11 江苏恒沛药物科技有限公司 一种1-氰基-3-甲基丁基丙二酸二乙酯的制备方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2516307A (en) * 1949-01-06 1950-07-25 Gen Mills Inc Vinyl resins plasticized with cyano esters
US3133954A (en) * 1959-08-18 1964-05-19 Rohm & Haas Process for preparing chlorinated cyanoesters
US3110723A (en) * 1959-08-18 1963-11-12 Rohm & Haas Process for preparing monochlorinated cyanoesters
US3444161A (en) * 1965-09-02 1969-05-13 Shionogi Seiyaku Kk Alkyl cyano aluminum compounds and process for introducing a cyano group into an alpha,beta unsaturated carbonyl compound
DE1793347A1 (de) * 1968-09-04 1972-02-03 Dynamit Nobel Ag Verfahren zur Herstellung von substituierten Cyanbuttersaeuren
JPS54100316A (en) * 1978-01-25 1979-08-08 Meiji Seika Kaisha Ltd Preparation of derivative of aminobutyric acid
US4428887A (en) * 1982-07-14 1984-01-31 Monsanto Company Method of producing mono-substituted terminal diesters
DE3227388A1 (de) * 1982-07-22 1984-01-26 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von (alpha)-substituierten ss-dicarbonyl-, ss-cyancarbonyl- und ss-dicyanverbindungen
US4760089A (en) * 1985-09-09 1988-07-26 Smithkline Beckman Corporation Irreversible dopamine-β-hydroxylase inhibitors
US5132451A (en) * 1989-08-25 1992-07-21 Warner-Lambert Company Process for cyclic amino acid anticonvulsant compounds
US5077425A (en) * 1990-04-02 1991-12-31 E. I. Du Pont De Nemours And Company Nitrile-accelerated hydrocarboxylation
US6197819B1 (en) * 1990-11-27 2001-03-06 Northwestern University Gamma amino butyric acid analogs and optical isomers
US5366987A (en) * 1991-08-22 1994-11-22 Warner-Lambert Company Isoxazolyl-substituted alkyl amide ACAT inhibitors
DK0641330T3 (da) * 1992-05-20 2001-12-03 Univ Northwestern Gaba- og L-glutaminsyreanaloger til antikrampeanfaldsbehandling

Also Published As

Publication number Publication date
NZ308319A (en) 2000-02-28
PL323795A1 (en) 1998-04-27
US5637767A (en) 1997-06-10
NZ501628A (en) 2001-09-28
EE9700320A (et) 1998-06-15
SK283507B6 (sk) 2003-08-05
US20010016665A1 (en) 2001-08-23
JP3874306B2 (ja) 2007-01-31
DE69617948T2 (de) 2002-06-13
HU228194B1 (en) 2013-01-28
EP0830338B1 (de) 2001-12-12
HU229957B1 (hu) 2015-03-30
CZ291147B6 (cs) 2002-12-11
JPH11506726A (ja) 1999-06-15
PT830338E (pt) 2002-04-29
ES2170231T3 (es) 2002-08-01
MX9708652A (es) 1998-06-30
HU0500934D0 (en) 2005-12-28
DK0830338T3 (da) 2002-04-02
US5840956A (en) 1998-11-24
EE04053B1 (et) 2003-06-16
US6046353A (en) 2000-04-04
CZ384697A3 (cs) 1998-03-18
SK282865B6 (sk) 2003-01-09
CA2219150A1 (en) 1996-12-19
ATE210628T1 (de) 2001-12-15
HUP9802504A3 (en) 2000-06-28
PL185557B1 (pl) 2003-06-30
CZ296895B6 (cs) 2006-07-12
PL185560B1 (pl) 2003-06-30
HUP9802504A2 (hu) 1999-02-01
SK164597A3 (en) 1998-05-06
AU5792196A (en) 1996-12-30
CA2219150C (en) 2008-11-18
AU700091B2 (en) 1998-12-24
PL185425B1 (pl) 2003-05-30
SI0830338T1 (en) 2002-04-30
WO1996040617A1 (en) 1996-12-19
GEP19991870B (en) 1999-12-06
EP0830338A1 (de) 1998-03-25

Similar Documents

Publication Publication Date Title
DE69617948D1 (de) Verfahren zur Herstellung von 3-(Aminomethyl)-5-Methylhexansäure
DE69619809T2 (de) Verfahren zur herstellung von (s)-3-(aminoethyl)-5-metylhexansäure
ES466949A1 (es) Un procedimiento para preparar compuestos de 1-oxadestiace- fam
MX9602756A (es) Nuevo procedimiento de alta selectividad enantiomerica para la produccion de ciclopentano- y - penteno-beta-aminoacidos enantiomericamente puros.
DE69920708D1 (de) Verfahren zur herstellung von 1,4-bis[[2-(dimethylamino)ethyl amino]-5,8-dihydroxyanthracene-9,10-dion
SE9601600D0 (sv) Improved process
ATE199714T1 (de) Verfahren zur herstellung von 5-hydroxymethyl- thiazole
DE58909067D1 (de) Verfahren zur herstellung von l-aminosäuren und aminosäure-amiden.
ATE182579T1 (de) Verfahren zur herstellung von n-substituierten glycinsäuren oder glycinestern und verwendung des verfahrens zur indigosynthese
DE69513408T2 (de) Ein verbessertes verfahren für die herstellung von seitenketten-derivaten von cyclohexapeptidyl-lipopeptiden
DE69623117T2 (de) Verfahren zur herstellung von 4-hydroxy-2-pyrrolidon
DE69011677D1 (de) Verfahren zur herstellung von substituierten ethenen.
DE59904461D1 (de) Verfahren zur stereoselektiven herstellung von substituierten cyclohexylcyanhydrinen
ATE161822T1 (de) Verfahren zur herstellung von (s)-4-aminohepta- 5,6-diencarbon-säure und intermediate
ATE299147T1 (de) Verfahren zur herstellung von 3-amino-1,5- benzodiazepinderivaten
ATE253553T1 (de) Verfahren zur herstellung von 2- alkylthiobenzonitril-derivaten
HUP0002772A2 (hu) Eljárás királis 3,4-dehidroprolinok előállítására
CA2219278A1 (en) Methods of making (s)-3-(aminomethyl)-5-methylhexanoic acid
ATE236135T1 (de) Verfahren zur herstellung von 4,6- dichlorpyrimidin
GR970100090A (el) Διαδικασια παραγωγης 1,2-διμεθυλ-3-υδροξυπυριδ-4-ονης

Legal Events

Date Code Title Description
8364 No opposition during term of opposition