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PE25698A1 - PROCEDURES AND INTERMEDIATES TO PREPARE 1-BENCIL-4 - ((5,6-DIMETOXI-1-INDANON) -2-IL) METHYLPIPERIDINE - Google Patents

PROCEDURES AND INTERMEDIATES TO PREPARE 1-BENCIL-4 - ((5,6-DIMETOXI-1-INDANON) -2-IL) METHYLPIPERIDINE

Info

Publication number
PE25698A1
PE25698A1 PE1996000883A PE00088396A PE25698A1 PE 25698 A1 PE25698 A1 PE 25698A1 PE 1996000883 A PE1996000883 A PE 1996000883A PE 00088396 A PE00088396 A PE 00088396A PE 25698 A1 PE25698 A1 PE 25698A1
Authority
PE
Peru
Prior art keywords
compound
react
iii
alkyl
bencil
Prior art date
Application number
PE1996000883A
Other languages
Spanish (es)
Inventor
Keith M Devries
Original Assignee
Pfizer
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 Pfizer filed Critical Pfizer
Publication of PE25698A1 publication Critical patent/PE25698A1/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D211/00Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
    • C07D211/04Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D211/06Heterocyclic 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
    • C07D211/08Heterocyclic 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
    • C07D211/18Heterocyclic 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
    • C07D211/30Heterocyclic 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 doubly bound oxygen or sulfur atoms or by two oxygen or sulfur atoms singly bound to the same carbon atom
    • C07D211/32Heterocyclic 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 doubly bound oxygen or sulfur atoms or by two oxygen or sulfur atoms singly bound to the same carbon atom by oxygen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Hydrogenated Pyridines (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Plural Heterocyclic Compounds (AREA)

Abstract

SE REFIEREN A LOS COMPUESTOS INTERMEDIOS DE FORMULAS (I), (II) Y (III), EN DONDE: R1 ES R2O(CO) o R3(CO); R2 ES ALQUILO C1-C4; R3 ES ALQUILO C1-C4 O FENILO CON OPCIONALMENTE 1; 2 o 3 SUSTITUYENTES ALQUILO C1-C4, ALCOXI C1-C4, HALO o CF3. TAMBIEN SE REFIEREN A LOS PROCEDIMIENTOS DE PREPARACION QUE COMPRENDE: 1) HACER REACCIONAR UN COMPUESTO (IV) CON (V) EN PRESENCIA DE AlCl3 Y CLORURO DE METILENO, PARA FORMAR (III); 2) HACER REACCIONAR (III) CON UN AGENTE DE METENILACION, PARA FORMAR (II); 3) HACER REACCIONAR (II) CON H2SO4; 3) AISLAR MEDIANTE LA ADICION DE SOLUCION FUERTEMENTE ACIDA A HIELO/AGUA, SEGUIDA POR EXTRACCION CON UN DISOLVENTE ORGANICO Y ELIMINACION DEL DISOLVENTE ORGANICO ANTES DE QUE SE TRATE CON UNA BASE; 4) HACER REACCIONAR (I) CON HIDROXIDO, PARA FORMAR (VI) EN DONDE: (VI) ES EL COMPUESTO (I) EN EL QUE R1 ES H, Y HACER REACCIONAR DICHO COMPUESTO CON UN HALURO DE BENCILO, PARA FORMAR UN COMPUESTO FINAL ANTICOLINESTERASA DE FORMULA (VII), EN DONDE: (VII) ES (I) EN EL QUE R1 ES BENCILO. EL COMPUESTO OBTENIDO ES USADO PARA EL TRATAMIENTO DE LA DEMENCIA SENIL, PARTICULARMENTE DEL TIPO ALZHEIMER Y DE LA ENFERMEDAD CEREBROVASCULAR QUE ACOMPANA A LA APOPLEJIA CEREBRALTHEY REFER TO THE INTERMEDIATE COMPOUNDS OF FORMULAS (I), (II) AND (III), WHERE: R1 IS R2O (CO) or R3 (CO); R2 IS C1-C4 ALKYL; R3 IS C1-C4 ALKYL OR PHENYL WITH OPTIONALLY 1; 2 or 3 ALKYL SUBSTITUTES C1-C4, ALCOXI C1-C4, HALO or CF3. THEY ALSO REFER TO THE PREPARATION PROCEDURES THAT INCLUDE: 1) REACTING A COMPOUND (IV) WITH (V) IN THE PRESENCE OF AlCl3 AND METHYLENE CHLORIDE, TO FORM (III); 2) MAKE REACT (III) WITH A METHENILATION AGENT, TO FORM (II); 3) REACT (II) WITH H2SO4; 3) ISOLATE THROUGH ADDITION OF SOLUTION STRONGLY ACIDED TO ICE / WATER, FOLLOWED BY EXTRACTION WITH AN ORGANIC SOLVENT AND DISPOSAL OF THE ORGANIC SOLVENT BEFORE IT IS TREATED WITH A BASE; 4) REACT (I) WITH HYDROXIDE, TO FORM (VI) WHERE: (VI) IS THE COMPOUND (I) IN WHICH R1 IS H, AND REACT THIS COMPOUND WITH A BENZYL HALIDE, TO FORM A FINAL COMPOUND ANTICHOLINESTERASE OF FORMULA (VII), WHERE: (VII) IS (I) IN WHICH R1 IS BENCIL. THE COMPOUND OBTAINED IS USED FOR THE TREATMENT OF SENILE DEMENTIA, PARTICULARLY OF THE ALZHEIMER TYPE AND CEREBROVASCULAR DISEASE ACCOMPANYING BRAIN APOPLEJIA

PE1996000883A 1995-12-15 1996-12-09 PROCEDURES AND INTERMEDIATES TO PREPARE 1-BENCIL-4 - ((5,6-DIMETOXI-1-INDANON) -2-IL) METHYLPIPERIDINE PE25698A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US875395P 1995-12-15 1995-12-15

Publications (1)

Publication Number Publication Date
PE25698A1 true PE25698A1 (en) 1998-05-21

Family

ID=21733469

Family Applications (1)

Application Number Title Priority Date Filing Date
PE1996000883A PE25698A1 (en) 1995-12-15 1996-12-09 PROCEDURES AND INTERMEDIATES TO PREPARE 1-BENCIL-4 - ((5,6-DIMETOXI-1-INDANON) -2-IL) METHYLPIPERIDINE

Country Status (33)

Country Link
EP (1) EP0883607A1 (en)
JP (1) JP3066083B2 (en)
KR (1) KR20000064387A (en)
AP (1) AP708A (en)
AR (1) AR004368A1 (en)
AU (1) AU716462B2 (en)
BG (1) BG102525A (en)
BR (1) BR9612018A (en)
CA (1) CA2237647A1 (en)
CO (1) CO4750831A1 (en)
CZ (1) CZ180898A3 (en)
DZ (1) DZ2141A1 (en)
GT (1) GT199600092A (en)
HN (1) HN1996000065A (en)
HR (1) HRP960592A2 (en)
HU (1) HUP9904275A3 (en)
IL (3) IL136420A0 (en)
IS (1) IS4752A (en)
MA (1) MA24032A1 (en)
NO (1) NO982712D0 (en)
NZ (1) NZ318843A (en)
OA (1) OA10694A (en)
PE (1) PE25698A1 (en)
PL (1) PL197306B1 (en)
RO (1) RO121382B1 (en)
RU (1) RU2160731C2 (en)
SK (1) SK75498A3 (en)
TN (1) TNSN96153A1 (en)
TW (1) TW414787B (en)
UY (1) UY24401A1 (en)
WO (1) WO1997022584A1 (en)
YU (1) YU49486B (en)
ZA (1) ZA9610533B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2237078T3 (en) 1998-01-16 2005-07-16 Eisai Co., Ltd. PROCEDURE TO PRODUCE DERIVATIVES OF DONEPEZILO.
IL125809A (en) * 1998-08-17 2005-08-31 Finetech Lab Ltd Process and intermediates for production of donepezil and related compounds
US7148354B2 (en) * 2002-07-24 2006-12-12 Dr. Reddy's Laboratories Limited Process for preparation of donepezil
IL150982A (en) 2002-07-30 2007-02-11 Ori Lerman Process for the preparation of donepezil
IL151253A0 (en) * 2002-08-14 2003-04-10 Finetech Lab Ltd Process for production of highly pure donepezil hydrochloride
US6649765B1 (en) 2003-02-12 2003-11-18 Usv Limited, Bsd Marg. Process for the preparation of 1-benzyl-4(5,6-dimethoxy-1-indanon)-2-yl) methyl piperidine hydrochloride (Donepezil HCL)
US6953856B2 (en) 2003-02-12 2005-10-11 Usv, Limited Process for the preparation of 1-benzyl-4-(5,6-dimethoxy-1-indanon)-2-yl) methyl piperidine hydrochloride (Donepezil HCI)
US20070129549A1 (en) * 2003-03-21 2007-06-07 Yatendra Kumar Stable lamotrigine pharmaceutical compositions and processes for their preparation
WO2004099142A1 (en) * 2003-05-05 2004-11-18 Ranbaxy Laboratories Limited Hydrobromide salt of benzyl-piperidylmethyl-indanone and its polymorphs
EP1654230A1 (en) 2003-07-01 2006-05-10 Hetero Drugs Limited Preparation of intermediates for acetyl cholinesterase inhibitors
CN1280273C (en) 2003-11-05 2006-10-18 天津和美生物技术有限公司 Synthesis of donepizin and its derivative
US7592459B2 (en) 2004-09-29 2009-09-22 Chemagis Ltd. Use of purified donepezil maleate for preparing pharmaceutically pure amorphous donepezil hydrochloride
CN100436416C (en) * 2005-07-29 2008-11-26 西南合成制药股份有限公司 Novel donepezil synthesis process
GB0515803D0 (en) * 2005-07-30 2005-09-07 Pliva Hrvatska D O O Intermediate compounds
AR057910A1 (en) 2005-11-18 2007-12-26 Synthon Bv PROCESS TO PREPARE DONEPEZILO
CA2635550A1 (en) * 2006-01-04 2007-07-12 Cipla Limited Process and intermediate for preparation of donepezil
EP2114166A4 (en) * 2006-12-11 2011-05-25 Reviva Pharmaceuticals Inc Compositions, synthesis, and methods of using indanone based cholinesterase inhibitors
WO2013078608A1 (en) 2011-11-29 2013-06-06 Ziqiang Gu Donepezil pamoate and methods of making and using the same
TW201540301A (en) 2013-08-16 2015-11-01 Takeda Gmbh Treatment of cognitive impairment with PDE4 inhibitor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI95572C (en) * 1987-06-22 1996-02-26 Eisai Co Ltd Process for the preparation of a medicament useful as a piperidine derivative or its pharmaceutical salt
FR2642069B1 (en) * 1989-01-20 1991-04-12 Rhone Poulenc Sante NOVEL BENZOPYRAN DERIVATIVES, THEIR PREPARATION AND THE PHARMACEUTICAL COMPOSITIONS CONTAINING THEM
DE4439822A1 (en) * 1994-11-08 1996-08-29 Bayer Ag Process for the preparation of benzyl-piperidylmethyl-indanones

Also Published As

Publication number Publication date
SK75498A3 (en) 1999-08-06
PL327512A1 (en) 1998-12-21
HRP960592A2 (en) 1998-06-30
GT199600092A (en) 1998-05-12
KR20000064387A (en) 2000-11-06
HUP9904275A2 (en) 2000-05-28
CZ180898A3 (en) 1999-05-12
NO982712L (en) 1998-06-12
AU716462B2 (en) 2000-02-24
PL197306B1 (en) 2008-03-31
MX9804820A (en) 1998-10-31
AR004368A1 (en) 1998-11-04
CA2237647A1 (en) 1997-06-26
WO1997022584A1 (en) 1997-06-26
TNSN96153A1 (en) 2005-03-15
EP0883607A1 (en) 1998-12-16
IS4752A (en) 1998-05-22
AP9600892A0 (en) 1997-01-31
RU2160731C2 (en) 2000-12-20
ZA9610533B (en) 1998-06-15
JPH11500756A (en) 1999-01-19
OA10694A (en) 2001-05-04
HUP9904275A3 (en) 2001-05-28
IL136421A0 (en) 2001-06-14
YU49486B (en) 2006-08-17
AP708A (en) 1998-12-04
BR9612018A (en) 1999-02-17
BG102525A (en) 1999-05-31
NZ318843A (en) 2000-01-28
UY24401A1 (en) 1997-06-09
JP3066083B2 (en) 2000-07-17
YU66096A (en) 1999-11-22
CO4750831A1 (en) 1999-03-31
RO121382B1 (en) 2007-04-30
MA24032A1 (en) 1997-07-01
TW414787B (en) 2000-12-11
DZ2141A1 (en) 2002-07-23
IL124452A0 (en) 1998-12-06
IL136420A0 (en) 2001-06-14
NO982712D0 (en) 1998-06-12
AU7092596A (en) 1997-07-14
HN1996000065A (en) 1997-06-26

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Legal Events

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FG Grant, registration
FD Application declared void or lapsed