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DK328887A - Fremgangsmaade til racemisering af optisk aktive alfa-phenoxysyrer og deres derivater - Google Patents

Fremgangsmaade til racemisering af optisk aktive alfa-phenoxysyrer og deres derivater

Info

Publication number
DK328887A
DK328887A DK328887A DK328887A DK328887A DK 328887 A DK328887 A DK 328887A DK 328887 A DK328887 A DK 328887A DK 328887 A DK328887 A DK 328887A DK 328887 A DK328887 A DK 328887A
Authority
DK
Denmark
Prior art keywords
derivatives
procedure
optically active
phenoxy acids
racemizing optically
Prior art date
Application number
DK328887A
Other languages
English (en)
Other versions
DK328887D0 (da
Inventor
Dieter Wullbrandt
Merten Schlingmann
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Publication of DK328887D0 publication Critical patent/DK328887D0/da
Publication of DK328887A publication Critical patent/DK328887A/da

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DK328887A 1986-06-28 1987-06-26 Fremgangsmaade til racemisering af optisk aktive alfa-phenoxysyrer og deres derivater DK328887A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863621835 DE3621835A1 (de) 1986-06-28 1986-06-28 Verfahren zur racemisierung optisch aktiver (alpha)-phenoxypropionsaeure und deren derivate

Publications (2)

Publication Number Publication Date
DK328887D0 DK328887D0 (da) 1987-06-26
DK328887A true DK328887A (da) 1987-12-29

Family

ID=6304010

Family Applications (1)

Application Number Title Priority Date Filing Date
DK328887A DK328887A (da) 1986-06-28 1987-06-26 Fremgangsmaade til racemisering af optisk aktive alfa-phenoxysyrer og deres derivater

Country Status (5)

Country Link
US (1) US4767880A (da)
EP (1) EP0251058A3 (da)
JP (1) JPS638351A (da)
DE (1) DE3621835A1 (da)
DK (1) DK328887A (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69015000T2 (de) * 1989-06-07 1995-06-14 Nippon Telegraph & Telephone Optisch aktive Verbindungen und sie enthaltende Flüssigkristallzusammensetzungen.
US4946997A (en) * 1989-06-07 1990-08-07 Merck & Co., Inc. Racemization of a carboxylic acid
JP2507163B2 (ja) * 1989-10-06 1996-06-12 株式会社クラレ 光学活性4―フェニル酪酸エステル誘導体のラセミ化方法
US5221765A (en) * 1992-01-24 1993-06-22 Ethyl Corporation Racemization process for an optically active carboxylic acid or ester thereof
US5278338A (en) * 1992-11-04 1994-01-11 Ethyl Corporation Racemization process for optically active carboxylic acids, salts and esters

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3717669A (en) * 1968-06-18 1973-02-20 American Home Prod 2-phenoxyalkanoic acid esters
US3759950A (en) * 1971-09-20 1973-09-18 American Home Prod 2-phenoxyalkanoic acid esters
JPS57171938A (en) * 1981-04-15 1982-10-22 Nissan Chem Ind Ltd Preparation of optically active naphthylpropionic acid ester
DE3319367A1 (de) * 1983-05-27 1984-11-29 Bayer Ag, 5090 Leverkusen Optisch aktive diphenylether-derivate
JPS6183144A (ja) * 1984-09-28 1986-04-26 Nissan Chem Ind Ltd 2−(4−ヒドロキシフエノキシ)プロピオン酸の光学分割法

Also Published As

Publication number Publication date
US4767880A (en) 1988-08-30
JPS638351A (ja) 1988-01-14
EP0251058A2 (de) 1988-01-07
DK328887D0 (da) 1987-06-26
EP0251058A3 (de) 1988-12-14
DE3621835A1 (de) 1988-01-07

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