IE792108L - Process for manufacturing racemic parahydroxymandelic acid - Google Patents

Process for manufacturing racemic parahydroxymandelic acid

Info

Publication number
IE792108L
IE792108L IE792108A IE210879A IE792108L IE 792108 L IE792108 L IE 792108L IE 792108 A IE792108 A IE 792108A IE 210879 A IE210879 A IE 210879A IE 792108 L IE792108 L IE 792108L
Authority
IE
Ireland
Prior art keywords
parahydroxymandelic acid
acid
manufacturing
racemic parahydroxymandelic
manufacturing racemic
Prior art date
Application number
IE792108A
Other versions
IE49308B1 (en
Original Assignee
Hoechst France
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 France filed Critical Hoechst France
Publication of IE792108L publication Critical patent/IE792108L/en
Publication of IE49308B1 publication Critical patent/IE49308B1/en

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

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)

Abstract

Racemic parahydroxymandelic acid is prepared by condensing glyoxylic acid with an excess of phenol in water in the presence of an alkaline agent, at 30 to 100 DEG C. [GB2034308A]
IE2108/79A 1978-11-03 1979-11-02 Process for manufacturing racemic parahydroxymandelic acid IE49308B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7831123A FR2440350A1 (en) 1978-11-03 1978-11-03 PROCESS FOR PRODUCING RACEMIC PARAHYDROXYMANDELIC ACID

Publications (2)

Publication Number Publication Date
IE792108L true IE792108L (en) 1980-05-03
IE49308B1 IE49308B1 (en) 1985-09-18

Family

ID=9214433

Family Applications (1)

Application Number Title Priority Date Filing Date
IE2108/79A IE49308B1 (en) 1978-11-03 1979-11-02 Process for manufacturing racemic parahydroxymandelic acid

Country Status (10)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2462415A1 (en) * 1979-07-25 1981-02-13 Hoechst France PROCESS FOR PREPARING RACEMIC HYDROXYARYLGLYCOLIC ACIDS AND PRODUCTS THEREOF
FR2495137A1 (en) * 1980-11-28 1982-06-04 Hoechst France Para-hydroxy-mandelic acid continuous prepn. - from glyoxylic acid, phenol and sodium hydroxide in aq. soln. in reactors arranged in series
US5252643A (en) * 1991-07-01 1993-10-12 Ciba-Geigy Corporation Thiomethylated benzofuran-2-ones
TW206220B (en) * 1991-07-01 1993-05-21 Ciba Geigy Ag
DE59204845D1 (en) * 1991-11-29 1996-02-08 Ciba Geigy Ag Diphenylacetic acid derivatives as stabilizers for organic material
NL9300801A (en) * 1992-05-22 1993-12-16 Ciba Geigy 3- (ACYLOXYPHENYL) BENZOFURAN-2-ON AS STABILIZERS.
TW260686B (en) * 1992-05-22 1995-10-21 Ciba Geigy
GB2267490B (en) * 1992-05-22 1995-08-09 Ciba Geigy Ag 3-(Carboxymethoxyphenyl)benzofuran-2-one stabilisers
TW255902B (en) * 1992-09-23 1995-09-01 Ciba Geigy
MX9305489A (en) * 1992-09-23 1994-03-31 Ciba Geigy Ag 3- (DIHIDROBENZOFURAN-5-IL) BENZOFURAN-2-ONAS, STABILIZERS.
FR2705669B1 (en) * 1993-05-28 1995-08-25 Hoechst France Process for the preparation of hydroxyphenylacetic acids.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE617763C (en) * 1932-03-22 1935-08-24 J D Riedel E De Haeen Akt Ges Process for the production of aromatic oxyaldehydes
DE621567C (en) * 1932-06-25 1935-11-09 J D Riedel E De Haeen A G Process for the production of aromatic oxyaldehydes
DE2115551C3 (en) * 1971-03-31 1980-01-10 Haarmann & Reimer Gmbh, 3450 Holzminden Process for the production of aromatic hydroxyaldehydes

Also Published As

Publication number Publication date
CA1125784A (en) 1982-06-15
GB2034308A (en) 1980-06-04
FR2440350B1 (en) 1981-05-22
IT1124842B (en) 1986-05-14
CH642047A5 (en) 1984-03-30
DE2944295C2 (en) 1982-02-04
NL189910C (en) 1993-09-01
FR2440350A1 (en) 1980-05-30
GB2034308B (en) 1983-03-30
NL7908100A (en) 1980-05-07
IE49308B1 (en) 1985-09-18
DE2944295A1 (en) 1980-05-08
IT7926924A0 (en) 1979-10-30
JPS5564546A (en) 1980-05-15
BE879359A (en) 1980-04-11
NL189910B (en) 1993-04-01

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Legal Events

Date Code Title Description
MM4A Patent lapsed