WO2000008021A3 - Procedimiento para preparar n,n,6- trimetil-2- (4-metilfenil)- imidazo-[1,2-a] -piridina-3- acetamida y sus sales - Google Patents

Procedimiento para preparar n,n,6- trimetil-2- (4-metilfenil)- imidazo-[1,2-a] -piridina-3- acetamida y sus sales Download PDF

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Publication number
WO2000008021A3
WO2000008021A3 PCT/ES1999/000250 ES9900250W WO0008021A3 WO 2000008021 A3 WO2000008021 A3 WO 2000008021A3 ES 9900250 W ES9900250 W ES 9900250W WO 0008021 A3 WO0008021 A3 WO 0008021A3
Authority
WO
WIPO (PCT)
Prior art keywords
formula
imidazo
acetamide
methylphenyl
trimethyl
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.)
Ceased
Application number
PCT/ES1999/000250
Other languages
English (en)
French (fr)
Other versions
WO2000008021A2 (es
Inventor
Rafael Labriola
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.)
Quimica Sintetica SA
Original Assignee
Quimica Sintetica SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8304817&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2000008021(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to AT99938403T priority Critical patent/ATE234836T1/de
Priority to EP99938403A priority patent/EP1104765B2/en
Priority to AU52912/99A priority patent/AU750302B2/en
Priority to JP2000563654A priority patent/JP3544944B2/ja
Priority to SI9930286T priority patent/SI1104765T2/sl
Priority to US09/762,205 priority patent/US6407240B1/en
Priority to SK159-2001A priority patent/SK283652B6/sk
Priority to HK01108425.7A priority patent/HK1037624B/en
Application filed by Quimica Sintetica SA filed Critical Quimica Sintetica SA
Priority to CA002339594A priority patent/CA2339594C/en
Priority to HU0102936A priority patent/HUP0102936A3/hu
Priority to DE69906088T priority patent/DE69906088T3/de
Priority to DK99938403T priority patent/DK1104765T4/da
Priority to NZ510310A priority patent/NZ510310A/xx
Priority to HR20010158A priority patent/HRP20010158B1/xx
Priority to IL14113399A priority patent/IL141133A/xx
Priority to PL99346158A priority patent/PL195888B1/pl
Publication of WO2000008021A2 publication Critical patent/WO2000008021A2/es
Publication of WO2000008021A3 publication Critical patent/WO2000008021A3/es
Priority to IS5839A priority patent/IS5839A/is
Priority to NO20010613A priority patent/NO319780B1/no
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04—Ortho-condensed systems

Landscapes

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

Abstract

Comprende reducir el hidroxiéster de fórmula (X) haciéndolo reaccionar en DMF sucesivamente con una sal de iminio de fórmula (XIII) formada 'in situ' con cloruro de tionilo y dimetilformamida, y reducción subsiguiente con un reductor apropiado para formar el éster de fórmula (XII), que después se hace reaccionar con dimetilamina en un medio solvente polihidroxilado y a una temperatura adecuada.
PCT/ES1999/000250 1998-08-06 1999-08-04 Procedimiento para preparar n,n,6- trimetil-2- (4-metilfenil)- imidazo-[1,2-a] -piridina-3- acetamida y sus sales Ceased WO2000008021A2 (es)

Priority Applications (18)

Application Number Priority Date Filing Date Title
PL99346158A PL195888B1 (pl) 1998-08-06 1999-08-04 Sposób wytwarzania N,N-6-trimetylo-2-(4-metylofenylo)-imidazo-[1,2-a]-pirydyno-3-acetamidu i jego soli
HU0102936A HUP0102936A3 (en) 1998-08-06 1999-08-04 New process for preparing n,n,6- trimethyl-2 -(4-methylphenyl)- imidazo-[1,2-a] -pyridine-3-acetamide and salts thereof
AU52912/99A AU750302B2 (en) 1998-08-06 1999-08-04 Process for preparing N,N,6- trimethyl-2 -(4-methylphenyl)- imidazo-(1,2-A) -pyridine-3- acetamide and salts thereof
JP2000563654A JP3544944B2 (ja) 1998-08-06 1999-08-04 Ｎ，Ｎ，６−トリメチル−２−（４−メチルフェニル）−イミダゾ−［１，２−ａ］−ピリジン−３−アセトアミドおよびその塩の製造方法
SI9930286T SI1104765T2 (sl) 1998-08-06 1999-08-04 Postopek za pripravo n,n,6-trimetil-2-(4-metilfenil)-imidazo-(1,2-a)-piridin-3-acetamida in njegovih soli
US09/762,205 US6407240B1 (en) 1998-08-06 1999-08-04 Process for preparing N,N,6- trimethyl-2-(4-methylphenyl)-imidazo- [1,2-a]-pyridine- 3-acetamide and salts thereof
SK159-2001A SK283652B6 (sk) 1998-08-06 1999-08-04 Spôsob prípravy N,N,6-trimetyl-2-(4-metylfenyl)imidazo-[1,2- a]pyridín-3-acetamidu a jeho solí
DK99938403T DK1104765T4 (da) 1998-08-06 1999-08-04 Fremgangsmåde til fremstilling af N,N,6-trimethyl-2-(4-methylphenyl)-imidazo-[1,2-a]-pyridin-3-acetamid og salte deraf
EP99938403A EP1104765B2 (en) 1998-08-06 1999-08-04 Process for preparing n,n,6- trimethyl-2 -(4-methylphenyl)- imidazo-[1,2-a] -pyridine-3- acetamide and salts thereof
CA002339594A CA2339594C (en) 1998-08-06 1999-08-04 Process for preparing n,n,6- trimethyl-2 -(4-methylphenyl)- imidazo-[1,2-a] -pyridine-3- acetamide and salts thereof
DE69906088T DE69906088T3 (de) 1998-08-06 1999-08-04 Verfahren zur herstellung von n,n,6-trimethyl-2-(4-methylphenyl)-imidazo-[1,2-a]-pridin-3-acetamid und salzen davon
AT99938403T ATE234836T1 (de) 1998-08-06 1999-08-04 Verfahren zur herstellung von n,n,6-trimethyl-2- (4-methylphenyl)-imidazo-(1,2-a)-pridin-3- acetamid und salzen davon
HK01108425.7A HK1037624B (en) 1998-08-06 1999-08-04 Process for preparing n,n,6-trimethyl-2-(4-methylphenyl)-imidazo-[1,2-a]-pyridine-3-acetamide and salts thereof
NZ510310A NZ510310A (en) 1998-08-06 1999-08-04 Process for preparing N,N,6- trimethyl-2-(4-methylphenyl)-imidazo[1,2-a]-pyridine-3-acetamide and its salts
HR20010158A HRP20010158B1 (en) 1998-08-06 1999-08-04 PROCESS FOR PREPARING N,N,6- TRIMETHYL-2-(4-METHYLPHENYL)-IMIDAZO-[1,2-a]-PYRIDINE-3-ACETAMIDE AND SALTS THEREOF
IL14113399A IL141133A (en) 1998-08-06 1999-08-04 Process for preparing N,N,6-trimethyl-2-(4-methylphenyl)-imidazo-Ä1,2-AÜ- pyridine-3-acetamide and salts thereof
NO20010613A NO319780B1 (no) 1998-08-06 2001-02-05 Fremgangsmate til fremstilling av N,N,6-trimetyl-2-(4-metylfenyl)-imidazo-[1,2-A]-pyridin-3-acetamid og salter derav
IS5839A IS5839A (is) 1998-08-06 2001-02-05 Aðferð við að framleiða N,N 6-trímetýl-2-(4-metýlfenýl)-imídasó-[1,2-A]-pýridín-3-asetamíð og sölt þess

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ESP9801694 1998-08-06
ES009801694A ES2151834B1 (es) 1998-08-06 1998-08-06 Procedimiento para preparar n,n,6-trimetil-2-(4-metilfenil)-imidazo-(1,2-a)-piridina-3-acetamida y sus sales.

Publications (2)

Publication Number Publication Date
WO2000008021A2 WO2000008021A2 (es) 2000-02-17
WO2000008021A3 true WO2000008021A3 (es) 2000-07-06

Family

ID=8304817

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES1999/000250 Ceased WO2000008021A2 (es) 1998-08-06 1999-08-04 Procedimiento para preparar n,n,6- trimetil-2- (4-metilfenil)- imidazo-[1,2-a] -piridina-3- acetamida y sus sales

Country Status (25)

Country Link
US (1) US6407240B1 (es)
EP (1) EP1104765B2 (es)
JP (1) JP3544944B2 (es)
KR (1) KR100492054B1 (es)
AT (1) ATE234836T1 (es)
AU (1) AU750302B2 (es)
CA (1) CA2339594C (es)
CZ (1) CZ292446B6 (es)
DE (1) DE69906088T3 (es)
DK (1) DK1104765T4 (es)
ES (2) ES2151834B1 (es)
HR (1) HRP20010158B1 (es)
HU (1) HUP0102936A3 (es)
IL (1) IL141133A (es)
IS (1) IS5839A (es)
NO (1) NO319780B1 (es)
NZ (1) NZ510310A (es)
PL (1) PL195888B1 (es)
PT (1) PT1104765E (es)
RS (1) RS50103B (es)
RU (1) RU2221797C2 (es)
SI (1) SI1104765T2 (es)
SK (1) SK283652B6 (es)
WO (1) WO2000008021A2 (es)
ZA (1) ZA200101294B (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2151834B1 (es) † 1998-08-06 2001-08-16 Sint Quimica Sa Procedimiento para preparar n,n,6-trimetil-2-(4-metilfenil)-imidazo-(1,2-a)-piridina-3-acetamida y sus sales.
HRP20020471B1 (en) * 1999-11-22 2007-12-31 Egis Gy�gyszergy�r RT Process for the preparation of 6-methyl-2-(4-methyl-phenyl)-imidazo[1,2-a]pyrimidine-3-(n,n-dimethyl-acetamide) and intermediates
IT1318624B1 (it) 2000-07-14 2003-08-27 Dinamite Dipharma S P A In For Processo per la preparazione di 2-fenil-imidazo (1,2-a)piridin-3-acetammidi.
US6596731B2 (en) 2001-03-27 2003-07-22 Hoffmann-La Roche Inc. Substituted imidazo[1,2-A] pyridine derivatives
WO2004007496A1 (en) * 2002-07-15 2004-01-22 Scinopharm Taiwan, Ltd. Process for the preparation of imidazo(1,2-a)pyridine-3-acetamides
ES2320758T3 (es) 2002-12-18 2009-05-28 Mallinckrodt Inc. Sintesis de heteroaril acetamidas.
ATE451371T1 (de) * 2004-06-22 2009-12-15 Mallinckrodt Inc Synthese von heteroarylacetamiden aus reaktionsmischungen mit reduziertem wassergehalt
WO2007040995A1 (en) * 2005-10-03 2007-04-12 Mallinckrodt Inc. Process for preparing zolpidem hemitartrate and tartrate polymorphs
EP1803722A1 (en) * 2006-01-03 2007-07-04 Ferrer Internacional, S.A. Imidazo[1,2-a]pyridin-3-yl-acetic acid hydrazides, processes for their preparation and pharmaceutical uses thereof
US20080145425A1 (en) * 2006-12-15 2008-06-19 Pliva Research & Development Limited Pharmaceutical composition of zolpidem
CN103360387B (zh) * 2012-03-28 2016-12-14 江苏豪森药业集团有限公司 一种制备化合物唑吡坦的方法
CN104610253B (zh) * 2015-01-26 2016-11-16 郑州大学 2‑三氟甲基‑2‑羟基‑2‑(2‑芳基吡啶并[1,2‑α]咪唑)乙酸酯类化合物
CN114105974A (zh) * 2020-08-27 2022-03-01 鲁南制药集团股份有限公司 一种唑吡坦的制备方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2600650A1 (fr) * 1986-06-27 1987-12-31 Synthelabo Procede de preparation d'imidazopyridines et composes intermediaires

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2151834B1 (es) † 1998-08-06 2001-08-16 Sint Quimica Sa Procedimiento para preparar n,n,6-trimetil-2-(4-metilfenil)-imidazo-(1,2-a)-piridina-3-acetamida y sus sales.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2600650A1 (fr) * 1986-06-27 1987-12-31 Synthelabo Procede de preparation d'imidazopyridines et composes intermediaires

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
GEORGE P ET AL: "Imidazopyridines: Towards novel hypnotic and anxiolytic drugs", IL FARMACO, vol. 46, no. 1 suppl., 1991, pages 277 - 288, XP002900937 *
GEORGE P ET AL: "Le zolpidem: Un nouvel hypnotique de structure imidazo[1,2-alpha]pyridine", ACTUAL. CHIM. THÉR.; 18(RECONTRES INT. CHIM. THER. 26 TH, 1990), 1991, pages 215 - 239, XP002900936 *
TRAPANI G ET AL: "Synthesis and Binding Affinity of 2-Phenylimidazo[1,2-alpha]pyridine Derivatives for both Central and Peripheral Benzodiazepine Receptors. A New Series of High-Affinity and Selective Ligands for the Peripheral Type", J. MED. CHEM., vol. 40, 1997, pages 3109 - 3118, XP002900938 *

Also Published As

Publication number Publication date
KR20010072173A (ko) 2001-07-31
NZ510310A (en) 2002-11-26
CZ292446B6 (cs) 2003-09-17
CA2339594C (en) 2005-05-03
IS5839A (is) 2001-02-05
JP2002522437A (ja) 2002-07-23
JP3544944B2 (ja) 2004-07-21
RU2221797C2 (ru) 2004-01-20
NO20010613D0 (no) 2001-02-05
AU750302B2 (en) 2002-07-18
ES2195598T5 (es) 2008-05-01
ES2151834B1 (es) 2001-08-16
ES2151834A1 (es) 2001-01-01
SI1104765T2 (sl) 2008-04-30
SK1592001A3 (en) 2001-12-03
HRP20010158B1 (en) 2003-12-31
ZA200101294B (en) 2002-02-15
PL346158A1 (en) 2002-01-28
KR100492054B1 (ko) 2005-05-31
IL141133A (en) 2005-11-20
WO2000008021A2 (es) 2000-02-17
CA2339594A1 (en) 2000-02-17
DK1104765T4 (da) 2008-03-03
DE69906088D1 (de) 2003-04-24
US6407240B1 (en) 2002-06-18
PT1104765E (pt) 2003-08-29
NO20010613L (no) 2001-02-05
ATE234836T1 (de) 2003-04-15
RS50103B (sr) 2009-01-22
YU8301A (sh) 2003-10-31
NO319780B1 (no) 2005-09-12
DE69906088T3 (de) 2008-04-30
SI1104765T1 (en) 2003-08-31
HRP20010158A2 (en) 2002-02-28
HK1037624A1 (en) 2002-02-15
DK1104765T3 (da) 2003-06-30
EP1104765B2 (en) 2007-11-14
HUP0102936A2 (hu) 2002-01-28
PL195888B1 (pl) 2007-11-30
IL141133A0 (en) 2002-02-10
AU5291299A (en) 2000-02-28
SK283652B6 (sk) 2003-11-04
EP1104765B1 (en) 2003-03-19
ES2195598T3 (es) 2003-12-01
EP1104765A2 (en) 2001-06-06
HUP0102936A3 (en) 2002-09-30
DE69906088T2 (de) 2003-12-24
CZ2001360A3 (cs) 2001-12-12

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