CA1125784A - Procede de fabrication du racemique d'acide parahydroxymandelique - Google Patents

Procede de fabrication du racemique d'acide parahydroxymandelique

Info

Publication number
CA1125784A
CA1125784A CA337,999A CA337999A CA1125784A CA 1125784 A CA1125784 A CA 1125784A CA 337999 A CA337999 A CA 337999A CA 1125784 A CA1125784 A CA 1125784A
Authority
CA
Canada
Prior art keywords
acid
glyoxylic acid
phenol
water
racemic
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
Application number
CA337,999A
Other languages
English (en)
Inventor
Alain Schouteeten
Yani Christidis
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.)
Sanofi Aventis France
Original Assignee
Francaise Hoechst Ste
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 Francaise Hoechst Ste filed Critical Francaise Hoechst Ste
Application granted granted Critical
Publication of CA1125784A publication Critical patent/CA1125784A/fr
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/367Preparation 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

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)
CA337,999A 1978-11-03 1979-10-19 Procede de fabrication du racemique d'acide parahydroxymandelique Expired CA1125784A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7831123 1978-11-03
FR7831123A FR2440350A1 (fr) 1978-11-03 1978-11-03 Procede de fabrication de l'acide parahydroxymandelique racemique

Publications (1)

Publication Number Publication Date
CA1125784A true CA1125784A (fr) 1982-06-15

Family

ID=9214433

Family Applications (1)

Application Number Title Priority Date Filing Date
CA337,999A Expired CA1125784A (fr) 1978-11-03 1979-10-19 Procede de fabrication du racemique d'acide parahydroxymandelique

Country Status (10)

Country Link
JP (1) JPS5564546A (fr)
BE (1) BE879359A (fr)
CA (1) CA1125784A (fr)
CH (1) CH642047A5 (fr)
DE (1) DE2944295C2 (fr)
FR (1) FR2440350A1 (fr)
GB (1) GB2034308B (fr)
IE (1) IE49308B1 (fr)
IT (1) IT1124842B (fr)
NL (1) NL189910C (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2462415A1 (fr) * 1979-07-25 1981-02-13 Hoechst France Procede de preparation d'acides hydroxyarylglycoliques racemiques et produits nouveaux en resultant
FR2495137A1 (fr) * 1980-11-28 1982-06-04 Hoechst France Procede industriel de preparation en continu de l'acide p-hydroxymandelique racemique
US5252643A (en) * 1991-07-01 1993-10-12 Ciba-Geigy Corporation Thiomethylated benzofuran-2-ones
TW206220B (fr) * 1991-07-01 1993-05-21 Ciba Geigy Ag
DE59204845D1 (de) * 1991-11-29 1996-02-08 Ciba Geigy Ag Diphenylessigsäurederivate als Stabilisatoren für organisches Material
GB2267490B (en) * 1992-05-22 1995-08-09 Ciba Geigy Ag 3-(Carboxymethoxyphenyl)benzofuran-2-one stabilisers
TW260686B (fr) * 1992-05-22 1995-10-21 Ciba Geigy
NL9300801A (nl) * 1992-05-22 1993-12-16 Ciba Geigy 3-(acyloxyfenyl)benzofuran-2-on als stabilisatoren.
MX9305489A (es) * 1992-09-23 1994-03-31 Ciba Geigy Ag 3-(dihidrobenzofuran-5-il)benzofuran-2-onas, estabilizadores.
TW255902B (fr) * 1992-09-23 1995-09-01 Ciba Geigy
FR2705669B1 (fr) * 1993-05-28 1995-08-25 Hoechst France Procédé de préparation d'acides hydroxyphénylacétiques.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE617763C (de) * 1932-03-22 1935-08-24 J D Riedel E De Haeen Akt Ges Verfahren zur Herstellung von aromatischen Oxyaldehyden
DE621567C (de) * 1932-06-25 1935-11-09 J D Riedel E De Haeen A G Verfahren zur Herstellung von aromatischen Oxyaldehyden
DE2115551C3 (de) * 1971-03-31 1980-01-10 Haarmann & Reimer Gmbh, 3450 Holzminden Verfahren zur Herstellung von aromatischen Hydroxyaldehyden

Also Published As

Publication number Publication date
NL189910B (nl) 1993-04-01
FR2440350A1 (fr) 1980-05-30
NL7908100A (nl) 1980-05-07
NL189910C (nl) 1993-09-01
BE879359A (fr) 1980-04-11
FR2440350B1 (fr) 1981-05-22
CH642047A5 (fr) 1984-03-30
IE49308B1 (en) 1985-09-18
DE2944295C2 (de) 1982-02-04
GB2034308A (en) 1980-06-04
DE2944295A1 (de) 1980-05-08
GB2034308B (en) 1983-03-30
IT1124842B (it) 1986-05-14
JPS5564546A (en) 1980-05-15
IE792108L (en) 1980-05-03
IT7926924A0 (it) 1979-10-30

Similar Documents

Publication Publication Date Title
CA1125784A (fr) Procede de fabrication du racemique d'acide parahydroxymandelique
Thoer et al. The Reimer-Tiemann reaction in slightly hydrated solid-liquid medium: A new method for the synthesis of formyl and diformyl phenols
US3935257A (en) Chemical compounds
US4156093A (en) Process for increasing the production or recovery yields of hemiacetal-esters of glyoxylic acid
JPH051776B2 (fr)
US4259521A (en) Process for resolving DL-mandelic acid
JP3968158B2 (ja) o− フタルアルデヒドの精製方法
US4408070A (en) Pure crystalline racemic sodium parahydroxymandelate, process for its preparation and uses thereof
WO2010119117A1 (fr) Procédé de préparation d'acide 2,4,6-octatriène-1-oïque et de 2,4,6-octatriène-1-ol
Reeve et al. Stereochemical study of the mechanism of the conversion of phenyl (trichloromethyl) carbinol to. alpha.-methoxyphenylacetic acid
CN115572272A (zh) 非布司他及其醛基酯类中间体的制备方法
US3912772A (en) Process for the preparation of {60 -alkyl hydracrylic acids and {60 -alkyl acrylic acids.
DK143332B (da) Fremgangsmaade til fremstilling af orthohydroxyalkylerede phenoler
US2304537A (en) Preparation of alpha-chlormethyl naphthalene
US4504678A (en) Pure crystalline racemic sodium parahydroxymandelate, process for its preparation and uses thereof
JPH02149586A (ja) メタ硼酸アリールの製造方法及びo―ヒドロキシベンジルアルコール類の製造へのメタ硼酸アリールの利用
US4260815A (en) Process for preparing a solution of DL-mandelic acid
US5302748A (en) Esterification process
US2768967A (en) Process for manufacture of 2, 5 diketo-8-nonen-3-ol
US2463734A (en) Racemization of optical isomers
JPS6323187B2 (fr)
SU379557A1 (ru) Способ получения 2,4-диалкил-2,4- -динитропентандиолов-1,5
US3024250A (en) Certificate of correction
Marvel et al. A CONVENIENT SYNTHESIS OF dl-GLUTAMIC ACID
US2847460A (en) 6-methyl-3-cyclohexene-1-acrylic acid

Legal Events

Date Code Title Description
MKEX Expiry