DE69803611T2 - Industrielles Verfahren zur kontinuierlichen Herstellung von Natriumorthohydroxamandelat - Google Patents

Industrielles Verfahren zur kontinuierlichen Herstellung von Natriumorthohydroxamandelat

Info

Publication number
DE69803611T2
DE69803611T2 DE69803611T DE69803611T DE69803611T2 DE 69803611 T2 DE69803611 T2 DE 69803611T2 DE 69803611 T DE69803611 T DE 69803611T DE 69803611 T DE69803611 T DE 69803611T DE 69803611 T2 DE69803611 T2 DE 69803611T2
Authority
DE
Germany
Prior art keywords
mixer
sodium
transferred
organic phase
orthohydroxamandelate
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 - Lifetime
Application number
DE69803611T
Other languages
English (en)
Other versions
DE69803611D1 (de
Inventor
Christian Sidot
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.)
Clariant France SA
Original Assignee
Clariant France 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 Clariant France SA filed Critical Clariant France SA
Application granted granted Critical
Publication of DE69803611D1 publication Critical patent/DE69803611D1/de
Publication of DE69803611T2 publication Critical patent/DE69803611T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/367—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of functional groups containing oxygen only in singly bound form
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (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)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
DE69803611T 1997-03-11 1998-03-02 Industrielles Verfahren zur kontinuierlichen Herstellung von Natriumorthohydroxamandelat Expired - Lifetime DE69803611T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9702847A FR2760745B1 (fr) 1997-03-11 1997-03-11 Procede industriel de preparation en continu de l'orthohydroxymandelate de sodium

Publications (2)

Publication Number Publication Date
DE69803611D1 DE69803611D1 (de) 2002-03-14
DE69803611T2 true DE69803611T2 (de) 2002-09-05

Family

ID=9504591

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69803611T Expired - Lifetime DE69803611T2 (de) 1997-03-11 1998-03-02 Industrielles Verfahren zur kontinuierlichen Herstellung von Natriumorthohydroxamandelat

Country Status (10)

Country Link
US (1) US5914429A (de)
EP (1) EP0864557B1 (de)
JP (1) JP4057133B2 (de)
CN (1) CN1119312C (de)
AT (1) ATE212614T1 (de)
DE (1) DE69803611T2 (de)
ES (1) ES2167846T3 (de)
FR (1) FR2760745B1 (de)
IN (1) IN183848B (de)
TW (1) TW440560B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3014869B1 (fr) * 2013-12-18 2016-01-01 Rhodia Operations Procede de separation de composes mandeliques sous forme salifiee et son utilisation pour la preparation d'aldehyde aromatique

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE441524B (sv) * 1978-05-19 1985-10-14 Ici Ltd Fast natrium- eller kalium-p-hydroximandelat-monohydrat och sett for dess framstellning
FR2427322A1 (fr) * 1979-06-15 1979-12-28 Hoechst France Parahydroxymandelate de sodium racemique cristallise, son procede de preparation et son application a la preparation du paraformylphenolate de sodium cristallise
DE3063330D1 (en) * 1979-08-09 1983-07-07 Beecham Group Plc Process for the isolation of a solid salt of p-hydroxymandelic acid; some salts of p-hydroxymandelic acid
FR2495137A1 (fr) * 1980-11-28 1982-06-04 Hoechst France Procede industriel de preparation en continu de l'acide p-hydroxymandelique racemique
US4504678A (en) * 1981-07-20 1985-03-12 Societe Francaise Hoechst Pure crystalline racemic sodium parahydroxymandelate, process for its preparation and uses thereof
FR2638740B1 (fr) * 1988-11-08 1991-07-12 Hoechst France Nouveau procede de fabrication industrielle du parahydroxymandelate de sodium
GB9121656D0 (en) * 1991-10-11 1991-11-27 Ici Plc Chemical process
FR2687143B1 (fr) * 1992-02-12 1995-06-23 Hoechst France Procede d'obtention de l'acide orthohydroxymandelique et de ses sels.

Also Published As

Publication number Publication date
CN1119312C (zh) 2003-08-27
CN1194968A (zh) 1998-10-07
EP0864557A1 (de) 1998-09-16
FR2760745B1 (fr) 1999-05-28
JP4057133B2 (ja) 2008-03-05
ES2167846T3 (es) 2002-05-16
FR2760745A1 (fr) 1998-09-18
US5914429A (en) 1999-06-22
IN183848B (de) 2000-04-29
EP0864557B1 (de) 2002-01-30
JPH10259158A (ja) 1998-09-29
DE69803611D1 (de) 2002-03-14
ATE212614T1 (de) 2002-02-15
TW440560B (en) 2001-06-16

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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: MEISSNER, BOLTE & PARTNER GBR, 80538 MUENCHEN