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WO2004087703A8 - Process for the preparation of n,n,6-trimethyl-2-(4-methylphenyl)-imidazo[1,2-a]pyridine-3-acetamide - Google Patents

Process for the preparation of n,n,6-trimethyl-2-(4-methylphenyl)-imidazo[1,2-a]pyridine-3-acetamide

Info

Publication number
WO2004087703A8
WO2004087703A8 PCT/IN2004/000057 IN2004000057W WO2004087703A8 WO 2004087703 A8 WO2004087703 A8 WO 2004087703A8 IN 2004000057 W IN2004000057 W IN 2004000057W WO 2004087703 A8 WO2004087703 A8 WO 2004087703A8
Authority
WO
WIPO (PCT)
Prior art keywords
imidazo
acetamide
methylphenyl
trimethyl
pyridine
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/IN2004/000057
Other languages
French (fr)
Other versions
WO2004087703A1 (en
Inventor
Samir Rameshchandra Shah
Kartik Shantilal Patel
Rajeev Budhdev Rehani
Rajamannar Thennati
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.)
Sun Pharmaceutical Industries Ltd
Original Assignee
Sun Pharmaceutical Industries Ltd
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 Sun Pharmaceutical Industries Ltd filed Critical Sun Pharmaceutical Industries Ltd
Publication of WO2004087703A1 publication Critical patent/WO2004087703A1/en
Publication of WO2004087703A8 publication Critical patent/WO2004087703A8/en
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)

Abstract

A process for the preparation of N,N,6-trimethyl-2-(4-methylphenyl)-imidazo [1,2-a]pyridine-3-acetamide, compound of formula (I), comprising reacting mixed anhydride, compound of formula (III), with dimethylamine; wherein R is selected from C1 to C6 linear or branched alkyl groups and substituted phenyl groups.
PCT/IN2004/000057 2003-03-12 2004-03-11 Process for the preparation of n,n,6-trimethyl-2-(4-methylphenyl)-imidazo[1,2-a]pyridine-3-acetamide Ceased WO2004087703A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN271/MUM/2003 2003-03-12
IN271MU2003 2003-03-12

Publications (2)

Publication Number Publication Date
WO2004087703A1 WO2004087703A1 (en) 2004-10-14
WO2004087703A8 true WO2004087703A8 (en) 2004-11-25

Family

ID=33104999

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2004/000057 Ceased WO2004087703A1 (en) 2003-03-12 2004-03-11 Process for the preparation of n,n,6-trimethyl-2-(4-methylphenyl)-imidazo[1,2-a]pyridine-3-acetamide

Country Status (1)

Country Link
WO (1) WO2004087703A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007040995A1 (en) * 2005-10-03 2007-04-12 Mallinckrodt Inc. Process for preparing zolpidem hemitartrate and tartrate polymorphs
WO2009007995A1 (en) * 2007-07-09 2009-01-15 Suven Life Sciences Limited Process for preparing zolpidem and its intermediate
WO2010122576A1 (en) 2009-04-20 2010-10-28 Matrix Laboratories Ltd Improved process for the preparation of 6-methyl-2-[4-methyl phenyl] imidazo [1, 2-a] pyridine-3-n, n-dimethyl acetamide.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60022684T2 (en) * 1999-11-22 2006-06-29 EGIS Gyógyszergyár Rt. Process for the preparation of 6-methyl-2- (4-methyl-phenyl) -imidazo [1,2-A] pyridine-3- (N, N-dimethyl-acetamide) and intermediates
IL152411A0 (en) * 2000-04-24 2003-05-29 Teva Pharma Zolpidem hemitartrate
IT1318624B1 (en) * 2000-07-14 2003-08-27 Dinamite Dipharma S P A In For PROCESS FOR THE PREPARATION OF 2-FENYL-IMIDAZO (1,2-A) PIRIDIN-3-ACETAMIDES.

Also Published As

Publication number Publication date
WO2004087703A1 (en) 2004-10-14

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WR Later publication of a revised version of an international search report
121 Ep: the epo has been informed by wipo that ep was designated in this application
DPEN Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed from 20040101)
122 Ep: pct app. not ent. europ. phase