ATE248595T1 - Herstellungsverfahren fuer piperidinderivate - Google Patents

Herstellungsverfahren fuer piperidinderivate

Info

Publication number
ATE248595T1
ATE248595T1 AT96944868T AT96944868T ATE248595T1 AT E248595 T1 ATE248595 T1 AT E248595T1 AT 96944868 T AT96944868 T AT 96944868T AT 96944868 T AT96944868 T AT 96944868T AT E248595 T1 ATE248595 T1 AT E248595T1
Authority
AT
Austria
Prior art keywords
hydrogen
group
different
same
alkyl
Prior art date
Application number
AT96944868T
Other languages
English (en)
Inventor
Ambra Thomas E D
Garry M Pilling
Original Assignee
Albany Molecular Res Inc
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 Albany Molecular Res Inc filed Critical Albany Molecular Res Inc
Application granted granted Critical
Publication of ATE248595T1 publication Critical patent/ATE248595T1/de

Links

Classifications

    • 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
    • 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
    • C07D211/20—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 singly bound oxygen or sulphur atoms
    • C07D211/22—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 singly bound oxygen or sulphur atoms by oxygen atoms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A61P37/08—Antiallergic agents
    • 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
    • C07D211/10—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 radicals containing only carbon and hydrogen atoms attached to ring carbon atoms
    • C07D211/14—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 radicals containing only carbon and hydrogen atoms attached to ring carbon atoms with hydrocarbon or substituted hydrocarbon radicals attached to the ring nitrogen atom
    • 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
    • C07D211/20—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 singly bound oxygen or sulphur atoms
    • 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
    • C07D211/36—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 hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D211/40—Oxygen atoms
    • C07D211/44—Oxygen atoms attached in position 4
    • C07D211/46—Oxygen atoms attached in position 4 having a hydrogen atom as the second substituent in position 4

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Pulmonology (AREA)
  • Epidemiology (AREA)
  • Hydrogenated Pyridines (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
AT96944868T 1995-12-21 1996-12-19 Herstellungsverfahren fuer piperidinderivate ATE248595T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/576,068 US6153754A (en) 1995-12-21 1995-12-21 Process for production of piperidine derivatives
PCT/US1996/020189 WO1997023213A1 (en) 1995-12-21 1996-12-19 Process for production of piperidine derivatives

Publications (1)

Publication Number Publication Date
ATE248595T1 true ATE248595T1 (de) 2003-09-15

Family

ID=24302845

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96944868T ATE248595T1 (de) 1995-12-21 1996-12-19 Herstellungsverfahren fuer piperidinderivate

Country Status (15)

Country Link
US (7) US6153754A (de)
EP (1) EP0868182B1 (de)
JP (2) JP4865114B2 (de)
KR (2) KR100516868B1 (de)
AT (1) ATE248595T1 (de)
AU (1) AU723231B2 (de)
BR (1) BR9612216A (de)
CA (1) CA2240927C (de)
DE (1) DE69629831T2 (de)
DK (1) DK0868182T3 (de)
ES (1) ES2206618T3 (de)
NO (1) NO311717B1 (de)
NZ (1) NZ326085A (de)
PT (1) PT868182E (de)
WO (1) WO1997023213A1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1953142A1 (de) * 1993-06-25 2008-08-06 Aventis Inc. Neuartige Zwischenprodukte zur Herstellung antihistaminischer 4-Diphenylmethyl-/Diphenylmethoxy-Piperidinderivate
US6201124B1 (en) 1995-12-21 2001-03-13 Albany Molecular Research, Inc. Process for production of piperidine derivatives
US6153754A (en) 1995-12-21 2000-11-28 Albany Molecular Research, Inc. Process for production of piperidine derivatives
ES2151442B1 (es) * 1999-01-11 2001-07-01 Espanola Prod Quimicos Nuevo derivado del bencenoetanol.
CA2438816A1 (en) * 2001-02-22 2002-09-06 Classen Immunotherapies, Inc. Improved algorithms and methods for products safety
CZ20033019A3 (cs) * 2001-04-09 2004-07-14 Teva Pharmaceutical Industries Ltd. Polymorfní formy chloridu fexofenadinu
US20030021849A1 (en) * 2001-04-09 2003-01-30 Ben-Zion Dolitzky Polymorphs of fexofenadine hydrochloride
ITRM20010260A1 (it) 2001-05-17 2002-11-18 Dinamite Dipharma S P A In For Processo per la preparazione della fexofenadina o acido 4 1-idrossi-4-4- (idrossidifenilmetil)-1-piperidinil|-butil|-alfa,alfa-dimetilbenz
CA2450858C (en) * 2001-06-18 2009-04-07 Dr. Reddy's Laboratories Limited Novel crystalline forms of 4-[4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]-1-hydroxybutyl]-.alpha.,.alpha.-dimethylbenzene acetic acid and its hydrochloride
US7700779B2 (en) * 2001-06-18 2010-04-20 Dr. Reddy's Laboratories Limited Crystalline forms of fexofenadine and its hydrochloride
TWI263497B (en) * 2002-03-29 2006-10-11 Lilly Co Eli Pyridinoylpiperidines as 5-HT1F agonists
EP1474392A1 (de) * 2002-06-10 2004-11-10 Teva Pharmaceutical Industries Ltd. Polymorphe form xvi von fexofenadin-hydrochlorid
TW200517114A (en) 2003-10-15 2005-06-01 Combinatorx Inc Methods and reagents for the treatment of immunoinflammatory disorders
KR20070007196A (ko) * 2004-04-26 2007-01-12 테바 파마슈티컬 인더스트리즈 리미티드 펙소페나딘 히드로클로라이드의 결정형 및 이의 제조 방법
US7498443B2 (en) * 2004-09-17 2009-03-03 Albany Molecular Research, Inc. Process for production of carebastine
JP2008514641A (ja) * 2004-09-28 2008-05-08 テバ ファーマシューティカル インダストリーズ リミティド 結晶形フェキソフェナジン、およびその調製方法
ZA200804550B (en) 2005-11-09 2009-08-26 Combinatorx Inc Methods, compositions, and kits for the treatment of medical conditions
ITMI20061492A1 (it) * 2006-07-27 2008-01-28 Archimica Srl Processo per la preparazione di fexofenadina.
ITMI20070987A1 (it) 2007-05-16 2008-11-17 Dipharma Francis Srl Procedimento per la preparazione di composti chetonici
WO2010021681A2 (en) * 2008-08-18 2010-02-25 Combinatorx (Singapore) Pte. Ltd. Compositions and methods for treatment of viral diseases
EP2289867A3 (de) 2009-08-19 2012-04-25 Jubilant Organosys Limited Verfahren zur Herstellung von 4-(4-Halogen-1-oxybutyl)-alpha,alpha-dimethylbenzolessigsäure oder Alkylestern davon
US20110130711A1 (en) * 2009-11-19 2011-06-02 Follica, Inc. Hair growth treatment
CR20160094A (es) 2013-08-14 2018-03-05 Mitral Valve Tech Sarl Equipo y métodos para implantar una válvula cardiaca de reemplazo
CN121554410B (zh) * 2026-01-21 2026-04-03 成都施贝康生物医药科技有限公司 用于神经退行性疾病的哌啶衍生物、药物组合物及其用途

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2919274A (en) * 1957-09-17 1959-12-29 Sahyun Melville Amidines
US4028404A (en) * 1967-07-31 1977-06-07 Allen & Hanburys Limited Acetic acid derivatives
GB1242169A (en) * 1969-04-09 1971-08-11 Ucb Sa Piperidine derivatives
US3839431A (en) * 1970-07-13 1974-10-01 Squibb & Sons Inc Cyclopropylmethylphenylacetic acids and derivatives
US3898271A (en) * 1971-06-08 1975-08-05 Squibb & Sons Inc Cyclopropylmethylphenylacetic acids and derivatives
US3878217A (en) * 1972-01-28 1975-04-15 Richardson Merrell Inc Alpha-aryl-4-substituted piperidinoalkanol derivatives
BE794598A (fr) * 1972-01-28 1973-05-16 Richardson Merrell Inc Nouveaux derives olefiniques de piperidines substituees en 4 et leur procede de preparation
BE794596A (fr) * 1972-01-28 1973-05-16 Richardson Merrell Inc Piperidinoalcanone-oximes substituees et leur procede de preparation
US3965257A (en) * 1972-01-28 1976-06-22 Richardson-Merrell Inc. Compositions and methods for the treatment of the symptoms of histamine induced allergic reactions
US3806526A (en) * 1972-01-28 1974-04-23 Richardson Merrell Inc 1-aroylalkyl-4-diphenylmethyl piperidines
US3941795A (en) * 1974-02-08 1976-03-02 Richardson-Merrell Inc. α-ARYL-4-SUBSTITUTED PIPERIDINOALKANOL DERIVATIVES
US3931197A (en) * 1974-02-08 1976-01-06 Richardson-Merrell Inc. Substituted piperidine derivatives
US3946022A (en) * 1974-03-04 1976-03-23 Richardson-Merrell Inc. Piperidine derivatives
US3922276A (en) * 1974-12-11 1975-11-25 Robins Co Inc A H 1-Substituted-4-benzylidenepiperidines
US3956296A (en) * 1974-12-11 1976-05-11 A. H. Robins Company, Incorporated 1-Substituted-4-benzylpiperidines
DD141422A5 (de) * 1978-01-27 1980-04-30 Schering Ag Verfahren zur herstellung von phenylessigsaeure-derivaten
US4254130A (en) * 1979-04-10 1981-03-03 Richardson-Merrell Inc. Piperidine derivatives
US4285958A (en) * 1979-04-10 1981-08-25 Richardson-Merrell Inc. 1-Piperidine-alkylene ketones, pharmaceutical compositions thereof and method of use thereof
US4285957A (en) * 1979-04-10 1981-08-25 Richardson-Merrell Inc. 1-Piperidine-alkanol derivatives, pharmaceutical compositions thereof, and method of use thereof
US4254129A (en) * 1979-04-10 1981-03-03 Richardson-Merrell Inc. Piperidine derivatives
GB8321157D0 (en) * 1983-08-05 1983-09-07 Fordonal Sa Piperidine derivatives
US4742175A (en) * 1986-05-07 1988-05-03 Merrell Dow Pharmaceuticals Inc. Preparation of polymorphically pure terfenadine
US5382600A (en) 1988-01-22 1995-01-17 Pharmacia Aktiebolag 3,3-diphenylpropylamines and pharmaceutical compositions thereof
FR2636946B1 (fr) 1988-09-23 1990-11-02 Lipha ((diarylmethoxy)alcoyl)-1 pyrrolidines et piperidines, procedes de preparation et medicaments les contenant
DE4034218A1 (de) 1990-10-27 1992-04-30 Merck Patent Gmbh Verfahren zur herstellung von carebastin
HU211019B (en) 1991-12-02 1995-09-28 Richter Gedeon Vegyeszet Process for producing new 1,2,3,6-tetrahydropyridine and piperidine derivatives substituted with n-(hydroxylalkyl) group and compositions comprising such compounds
HU226561B1 (en) * 1992-04-10 2009-04-28 Merrell Dow Pharma Process for preparation 4-diphenylmethyl piperidine derivatives and the novel intermediates thereof
FI950467A7 (fi) * 1992-08-03 1995-03-31 Sepracor Inc Terfenadiinin metaboliitit ja niiden optisesti puhtaat isomeerit aller gisten sairauksien hoitamiseksi
HU226559B1 (en) * 1993-06-24 2009-03-30 Amr Technology Process for the production of piperidine derivatives
US20020007068A1 (en) * 1999-07-16 2002-01-17 D'ambra Thomas E. Piperidine derivatives and process for their production
EP1953142A1 (de) * 1993-06-25 2008-08-06 Aventis Inc. Neuartige Zwischenprodukte zur Herstellung antihistaminischer 4-Diphenylmethyl-/Diphenylmethoxy-Piperidinderivate
US6153754A (en) 1995-12-21 2000-11-28 Albany Molecular Research, Inc. Process for production of piperidine derivatives
AU1335897A (en) 1995-12-21 1997-07-17 Du Pont Merck Pharmaceutical Company, The Isoxazoline, isothiazoline and pyrazoline factor xa inhibitors
US6201124B1 (en) * 1995-12-21 2001-03-13 Albany Molecular Research, Inc. Process for production of piperidine derivatives
US5925761A (en) * 1997-02-04 1999-07-20 Sepracor Inc. Synthesis of terfenadine and derivatives
US7498345B2 (en) * 2004-09-17 2009-03-03 Albany Molecular Research, Inc. Process for production of piperidine derivatives

Also Published As

Publication number Publication date
US6153754A (en) 2000-11-28
WO1997023213A1 (en) 1997-07-03
US20100137605A1 (en) 2010-06-03
US7678915B2 (en) 2010-03-16
CA2240927C (en) 2006-08-22
PT868182E (pt) 2004-02-27
DK0868182T3 (da) 2003-12-15
KR20050052550A (ko) 2005-06-02
US20070010677A1 (en) 2007-01-11
US6458958B1 (en) 2002-10-01
EP0868182A1 (de) 1998-10-07
KR19990076650A (ko) 1999-10-15
US6919458B2 (en) 2005-07-19
NO982770D0 (no) 1998-06-16
KR100573943B1 (ko) 2006-04-26
US8476445B2 (en) 2013-07-02
BR9612216A (pt) 1999-12-28
JP4865114B2 (ja) 2012-02-01
AU723231B2 (en) 2000-08-24
NZ326085A (en) 2001-04-27
AU1337197A (en) 1997-07-17
DE69629831D1 (de) 2003-10-09
NO982770L (no) 1998-06-16
US20030028029A1 (en) 2003-02-06
CA2240927A1 (en) 1997-07-03
KR100516868B1 (ko) 2005-11-25
JP2000502348A (ja) 2000-02-29
JP2009019058A (ja) 2009-01-29
NO311717B1 (no) 2002-01-14
ES2206618T3 (es) 2004-05-16
EP0868182B1 (de) 2003-09-03
US6444824B1 (en) 2002-09-03
DE69629831T2 (de) 2004-07-15
US20050209279A1 (en) 2005-09-22
EP0868182A4 (de) 1999-04-07

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