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

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; 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
US4946997A (en) * 1989-06-07 1990-08-07 Merck & Co., Inc. Racemization of a carboxylic acid
EP0402110B1 (en) * 1989-06-07 1994-12-14 Wako Pure Chemical Industries Ltd Optical active compounds and liquid crystal compositions containing such compounds
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
DK328887D0 (da) 1987-06-26
EP0251058A2 (de) 1988-01-07
EP0251058A3 (de) 1988-12-14
DE3621835A1 (de) 1988-01-07
JPS638351A (ja) 1988-01-14
US4767880A (en) 1988-08-30

Similar Documents

Publication Publication Date Title
DK166084C (da) Imidazoquinolinyletherderivater og fremgangsmaade til deres fremstilling
DK164287A (da) Quinolin-3-carboxylsyrederivater og fremgangsmaade til fremstilling deraf og deres anvendelse
DK125789A (da) Fremgangsmaade til kontinuerlig forestring af fedtsyre
NO871526L (no) Tiolaktam-n-eddiksyrederivater og fremgangsmaate for deres fremstilling.
DK43685A (da) Benzobicycliske lactamsyrer og derivater deraf, fremgangsmaade til deres fremstilling samt deres anvendelse
DK631587D0 (da) Imidazolderivater og fremgangsmaade til deres fremstilling
DK674287D0 (da) Fremgangsmaade til fremstilling af optisk aktive dihydropyridinderivater
DK633987A (da) Lactamderivater og fremgangsmaade til deres fremstilling
DK328887A (da) Fremgangsmaade til racemisering af optisk aktive alfa-phenoxysyrer og deres derivater
DK39789D0 (da) Fremgangsmaade til fremstilling af n-phosphonmethyliminodieddikesyre
DK115288D0 (da) Pesticid anvendelse af 2-phenylimidazolderivater samt 2-phenyl-imidazolderivater og fremgangsmaader til deres fremstilling
DK39689A (da) Fremgangsmaade til fremstilling af n-phosphonmethyliminodieddikesyre og n-phosphonmethyliminodieddikesyrechlorid
DK41888D0 (da) Fremgangsmaade til isolering af l-aminosyrer
DK54590A (da) Fremgangsmaade til modifikation og reduktion af kulaske
DK649787A (da) Fremgangsmaade til fremstilling af optisk aktive smoersyrederivater
DK106089A (da) Fremgangsmaade til fremstilling af alkansulfonylhalogenider og alkansulfonsyrer
DK148486D0 (da) Pyridylphosphorsyreestere, deres fremstilling og anvendelse til bekaempelse af skadelige organismer
DK148385D0 (da) Racemiske og optisk aktive 14-hydroxyimino-eburnanderivater eller syreadditionssalte deraf og fremgangsmaade til deres fremstilling
DK575985A (da) Pyrimidin-4-yl-thionophosphorsyreestere, deres fremstilling og anvendelse til skadedyrsbekaempelse
DK460187D0 (da) Fremgangsmaade til fremstillling af optisk aktive beta-lactamer
DK565086D0 (da) Fremgangsmaade til fremstilling af 5-chlor- og 5-brom-2-hydroxynikotinsyrer
NO883791L (no) Optisk aktive benzoksazinderivater og fremgangsmaate for deres fremstilling.
DK263687A (da) Krystallinske aminobeskyttede aminosyrer og fremgangsmaade til deres fremstilling
DK247484A (da) Optisk aktive propionsyre-derivater, deres fremstilling og anvendelse
DK387786D0 (da) Quinaldinamidderivater og fremgangsmaade til deres fremstilling

Legal Events

Date Code Title Description
ATS Application withdrawn