DE69310500D1 - Racemisierungsverfahren - Google Patents

Racemisierungsverfahren

Info

Publication number
DE69310500D1
DE69310500D1 DE1993610500 DE69310500A DE69310500D1 DE 69310500 D1 DE69310500 D1 DE 69310500D1 DE 1993610500 DE1993610500 DE 1993610500 DE 69310500 A DE69310500 A DE 69310500A DE 69310500 D1 DE69310500 D1 DE 69310500D1
Authority
DE
Grant status
Grant
Patent type
Prior art keywords
racemisierungsverfahren
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.)
Expired - Fee Related
Application number
DE1993610500
Other languages
English (en)
Other versions
DE69310500T2 (de )
Inventor
Azfar Choudhury
Abbas Kadkhodayan
Deepak Patil
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.)
Albemarle Corp
Original Assignee
Albemarle Corp
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
Grant date

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/487Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07BGENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B55/00Racemisation; Complete or partial inversion
DE1993610500 1992-01-24 1993-01-14 Racemisierungsverfahren Expired - Fee Related DE69310500D1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US07825150 US5221765A (en) 1992-01-24 1992-01-24 Racemization process for an optically active carboxylic acid or ester thereof
PCT/US1993/000311 WO1993015034A1 (en) 1992-01-24 1993-01-14 Racemization process

Publications (1)

Publication Number Publication Date
DE69310500D1 true DE69310500D1 (de) 1997-06-12

Family

ID=25243246

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1993610500 Expired - Lifetime DE69310500T2 (de) 1992-01-24 1993-01-14 Racemisierungsverfahren
DE1993610500 Expired - Fee Related DE69310500D1 (de) 1992-01-24 1993-01-14 Racemisierungsverfahren

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE1993610500 Expired - Lifetime DE69310500T2 (de) 1992-01-24 1993-01-14 Racemisierungsverfahren

Country Status (6)

Country Link
US (1) US5221765A (de)
EP (1) EP0624151B1 (de)
JP (1) JPH07504895A (de)
CA (1) CA2128522A1 (de)
DE (2) DE69310500T2 (de)
WO (1) WO1993015034A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5332834A (en) * 1992-12-02 1994-07-26 Hoechst Celanese Corporation Racemization of an enantomerically enriched α-aryl carboxylic acid
US5380867A (en) * 1992-12-02 1995-01-10 Hoechst Celanese Corporation Selective precipitation of α-aryl carboxylic acid salts
EP0925267A1 (de) * 1996-06-10 1999-06-30 Albemarle Corporation Verfahren zur racemisierung optisch aktiver carbonsäuren oder salzen oder ihrer estern
US5859292A (en) * 1997-12-11 1999-01-12 Albemarle Corporation Preparation of high purity sodium (S)-2(6-methoxy-2-naphthyl)propionate
US5874614A (en) * 1997-12-11 1999-02-23 Albemarle Corporation Sodium (S)-2-(6-methoxy-2-naphthyl)propionate monohydrate
WO2006011052A1 (en) * 2004-07-23 2006-02-02 Pharmacia & Upjohn Company Llc Method for the racemization of 2-trifluoro-2h-chromene-3-carboxylic acids
US20060220362A1 (en) * 2005-03-31 2006-10-05 Hordos Deborah L Gas generator
US9046327B2 (en) 2005-03-31 2015-06-02 Tk Holdings Inc. Gas generator
US8784585B2 (en) * 2005-06-30 2014-07-22 Tk Holdings Inc. Autoignition compositions
US20070044675A1 (en) * 2005-08-31 2007-03-01 Burns Sean P Autoignition compositions
DE112006002624T5 (de) * 2005-09-30 2008-08-07 Automotive Systems Laboratory, Inc., Armada Gaserzeugungsmittel
US8113651B2 (en) * 2006-03-20 2012-02-14 High Performance Optics, Inc. High performance corneal inlay
US9162933B1 (en) 2007-04-24 2015-10-20 Tk Holding Inc. Auto-ignition composition
US9556078B1 (en) 2008-04-07 2017-01-31 Tk Holdings Inc. Gas generator
US9073512B1 (en) 2012-07-23 2015-07-07 Tk Holdings Inc. Gas generating system with gas generant cushion
CN104418683A (zh) * 2013-09-06 2015-03-18 浙江天新药业有限公司 一种α-手性羧酸的消旋方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3621835A1 (de) * 1986-06-28 1988-01-07 Hoechst Ag Verfahren zur racemisierung optisch aktiver (alpha)-phenoxypropionsaeure und deren derivate
JPH0780823B2 (ja) * 1986-08-26 1995-08-30 東ソー株式会社 光学活性フェニルアラニンのラセミ化方法
US4946997A (en) * 1989-06-07 1990-08-07 Merck & Co., Inc. Racemization of a carboxylic acid

Also Published As

Publication number Publication date Type
EP0624151A1 (de) 1994-11-17 application
JPH07504895A (de) 1995-06-01 application
US5221765A (en) 1993-06-22 grant
EP0624151B1 (de) 1997-05-07 grant
DE69310500T2 (de) 1997-08-21 grant
WO1993015034A1 (en) 1993-08-05 application
CA2128522A1 (en) 1993-07-25 application

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee