DE68907146D1 - Verfahren zur reinigung von d-hydroxyphenoxypropionsaeure. - Google Patents

Verfahren zur reinigung von d-hydroxyphenoxypropionsaeure.

Info

Publication number
DE68907146D1
DE68907146D1 DE8989401971T DE68907146T DE68907146D1 DE 68907146 D1 DE68907146 D1 DE 68907146D1 DE 8989401971 T DE8989401971 T DE 8989401971T DE 68907146 T DE68907146 T DE 68907146T DE 68907146 D1 DE68907146 D1 DE 68907146D1
Authority
DE
Germany
Prior art keywords
purifying
hydroxyphenoxypropionic acid
hydroxyphenoxypropionic
acid
crystallisation
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
DE8989401971T
Other languages
English (en)
Other versions
DE68907146T2 (de
Inventor
Jose Moyne
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.)
Rhodia Chimie SAS
Original Assignee
Rhone Poulenc Chimie SA
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 Rhone Poulenc Chimie SA filed Critical Rhone Poulenc Chimie SA
Application granted granted Critical
Publication of DE68907146D1 publication Critical patent/DE68907146D1/de
Publication of DE68907146T2 publication Critical patent/DE68907146T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE89401971T 1988-07-20 1989-07-10 Verfahren zur Reinigung von D-hydroxyphenoxypropionsäure. Expired - Fee Related DE68907146T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8809793A FR2634481B1 (fr) 1988-07-20 1988-07-20 Procede de purification de l'acide d-hydroxyphenoxypropionique

Publications (2)

Publication Number Publication Date
DE68907146D1 true DE68907146D1 (de) 1993-07-22
DE68907146T2 DE68907146T2 (de) 1993-11-25

Family

ID=9368586

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89401971T Expired - Fee Related DE68907146T2 (de) 1988-07-20 1989-07-10 Verfahren zur Reinigung von D-hydroxyphenoxypropionsäure.

Country Status (10)

Country Link
US (1) US4981998A (de)
EP (1) EP0352168B1 (de)
JP (1) JPH0248545A (de)
AT (1) ATE90658T1 (de)
CA (1) CA1323039C (de)
DE (1) DE68907146T2 (de)
DK (1) DK357089A (de)
ES (1) ES2058571T3 (de)
FR (1) FR2634481B1 (de)
IE (1) IE63624B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0322917D0 (en) * 2003-09-30 2003-11-05 Syngenta Ltd Chemical process

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR763374A (fr) * 1933-01-23 1934-04-30 Manuf De Prod Chim Purs Procédé pour la préparation des antipodes optiques de corps doués de pouvoir rotatoire
FR1001764A (fr) * 1949-12-02 1952-02-27 Prot De L Elevage Soc Pour Procédé de séparation des isomères organiques
GB797369A (en) * 1955-07-28 1958-07-02 Ici Ltd Purification process
DE3240805A1 (de) * 1982-11-05 1984-05-10 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von hydroxy-phenoxy-alkancarbonsaeuren
JPH0610154B2 (ja) * 1984-12-28 1994-02-09 日産化学工業株式会社 光学活性２−（４−ヒドロキシフエノキシ）プロピオン酸の製法

Also Published As

Publication number Publication date
DE68907146T2 (de) 1993-11-25
IE63624B1 (en) 1995-05-17
EP0352168A1 (de) 1990-01-24
EP0352168B1 (de) 1993-06-16
FR2634481B1 (fr) 1990-09-14
IE892345L (en) 1990-01-20
ATE90658T1 (de) 1993-07-15
JPH0533937B2 (de) 1993-05-20
DK357089A (da) 1990-01-21
JPH0248545A (ja) 1990-02-19
FR2634481A1 (fr) 1990-01-26
ES2058571T3 (es) 1994-11-01
DK357089D0 (da) 1989-07-19
CA1323039C (fr) 1993-10-12
US4981998A (en) 1991-01-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: PATENTANWAELTE GESTHUYSEN, VON ROHR & EGGERT, 45128

8339 Ceased/non-payment of the annual fee