AU2001284322A1 - Synthesis of n,n-dimethyl-3-(4-methyl) benzoyl propionamide, a key intermediate of zolpidem - Google Patents

Synthesis of n,n-dimethyl-3-(4-methyl) benzoyl propionamide, a key intermediate of zolpidem

Info

Publication number: AU2001284322A1
Authority: AU; Australia
Prior art keywords: zolpidem; dimethyl; synthesis; methyl; key intermediate
Prior art date: 2000-08-29
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.): Abandoned

Application number

AU2001284322A

Inventor

Yatendra Kumar

Asok Nath

Mohan Prasad

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.)

Ranbaxy Laboratories Ltd

Original Assignee

Ranbaxy Laboratories 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.)

2000-08-29

Filing date

2001-08-28

Publication date

2002-03-13

2001-08-28 Application filed by Ranbaxy Laboratories Ltd filed Critical Ranbaxy Laboratories Ltd

2002-03-13 Publication of AU2001284322A1 publication Critical patent/AU2001284322A1/en

Status Abandoned legal-status Critical Current

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
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/02—Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

AU2001284322A 2000-08-29 2001-08-28 Synthesis of n,n-dimethyl-3-(4-methyl) benzoyl propionamide, a key intermediate of zolpidem Abandoned AU2001284322A1 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
IN782DE2000		2000-08-29
IN782/DEL/2000		2000-08-29
PCT/IB2001/001558 WO2002018303A2 (en)	2000-08-29	2001-08-28	Synthesis of n,n-dimethyl-3-(4-methyl) benzoyl propionamide, a key intermediate of zolpidem

Publications (1)

Publication Number	Publication Date
AU2001284322A1 true AU2001284322A1 (en)	2002-03-13

Family

ID=11097088

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU2001284322A Abandoned AU2001284322A1 (en)	2000-08-29	2001-08-28	Synthesis of n,n-dimethyl-3-(4-methyl) benzoyl propionamide, a key intermediate of zolpidem

Country Status (4)

Country	Link
US (1)	US6921839B2 (en)
EP (1)	EP1370515A2 (en)
AU (1)	AU2001284322A1 (en)
WO (1)	WO2002018303A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1370515A2 (en)	2000-08-29	2003-12-17	Ranbaxy Laboratories, Ltd.	Synthesis of n,n-dimethyl-3-(4-methyl) benzoyl propionamide, a key intermediate of zolpidem
MXPA05006438A (en)	2002-12-18	2005-09-08	Mallinckrodt Inc	Synthesis of heteroaryl acetamides.
EP1660496A1 (en) *	2003-07-31	2006-05-31	Ranbaxy Laboratories Limited	Process for the synthesis of zolpidem
US20110077200A1 (en) *	2006-12-06	2011-03-31	Somaxon Pharmaceuticals, Inc.	Combination therapy using low-dose doxepin for the improvement of sleep
CN110272414B (en) *	2018-03-14	2020-07-17	新发药业有限公司	Preparation method of zolpidem

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2492382A1 (en) *	1980-10-22	1982-04-23	Synthelabo	IMIDAZO (1,2-A) PYRIDINE DERIVATIVES, THEIR PREPARATION AND THERAPEUTIC USE THEREOF
EP1005863A1 (en)	1998-12-04	2000-06-07	Synthelabo	Controlled-release dosage forms comprising a short acting hypnotic or a salt thereof
ES2159260B1 (en)	1999-06-22	2002-05-01	Smithkline Beechan Plc	NEW PAROXETINE METHANOSULPHONATE COMPOSITION
PT1475093E (en)	2000-04-24	2006-11-30	Teva Pharma	Micronized zolpidem hemitartrate
EP1370515A2 (en)	2000-08-29	2003-12-17	Ranbaxy Laboratories, Ltd.	Synthesis of n,n-dimethyl-3-(4-methyl) benzoyl propionamide, a key intermediate of zolpidem
US20020183522A1 (en) *	2001-05-03	2002-12-05	Markus Sauter	Process for preparing zolpidem
DE10121638A1 (en)	2001-05-03	2002-11-14	Boehringer Ingelheim Pharma	Process for the preparation of imidazopyridines

2001
- 2001-08-28 EP EP01963296A patent/EP1370515A2/en not_active Withdrawn
- 2001-08-28 AU AU2001284322A patent/AU2001284322A1/en not_active Abandoned
- 2001-08-28 WO PCT/IB2001/001558 patent/WO2002018303A2/en not_active Application Discontinuation
- 2001-08-28 US US10/363,377 patent/US6921839B2/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
WO2002018303A2 (en)	2002-03-07
US20040054230A1 (en)	2004-03-18
WO2002018303A3 (en)	2003-10-02
EP1370515A2 (en)	2003-12-17
US6921839B2 (en)	2005-07-26

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