GB2034308B - Process for manufacturing racemic parahydroxymandelic acid - Google Patents

Process for manufacturing racemic parahydroxymandelic acid

Info

Publication number
GB2034308B
GB2034308B GB7937472A GB7937472A GB2034308B GB 2034308 B GB2034308 B GB 2034308B GB 7937472 A GB7937472 A GB 7937472A GB 7937472 A GB7937472 A GB 7937472A GB 2034308 B GB2034308 B GB 2034308B
Authority
GB
United Kingdom
Prior art keywords
parahydroxymandelic acid
manufacturing
racemic parahydroxymandelic
manufacturing racemic
acid
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
GB7937472A
Other versions
GB2034308A (en
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
Publication of GB2034308A publication Critical patent/GB2034308A/en
Application granted granted Critical
Publication of GB2034308B publication Critical patent/GB2034308B/en
Expired 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
GB7937472A 1978-11-03 1979-10-29 Process for manufacturing racemic parahydroxymandelic acid Expired GB2034308B (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
GB2034308A GB2034308A (en) 1980-06-04
GB2034308B true GB2034308B (en) 1983-03-30

Family

ID=9214433

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7937472A Expired GB2034308B (en) 1978-11-03 1979-10-29 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
MX9305489A (en) * 1992-09-23 1994-03-31 Ciba Geigy Ag 3- (DIHIDROBENZOFURAN-5-IL) BENZOFURAN-2-ONAS, STABILIZERS.
TW255902B (en) * 1992-09-23 1995-09-01 Ciba Geigy
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
DE2944295A1 (en) 1980-05-08
IT7926924A0 (en) 1979-10-30
IE792108L (en) 1980-05-03
JPS5564546A (en) 1980-05-15
IT1124842B (en) 1986-05-14
NL189910B (en) 1993-04-01
FR2440350A1 (en) 1980-05-30
GB2034308A (en) 1980-06-04
NL189910C (en) 1993-09-01
IE49308B1 (en) 1985-09-18
CH642047A5 (en) 1984-03-30
FR2440350B1 (en) 1981-05-22
BE879359A (en) 1980-04-11
DE2944295C2 (en) 1982-02-04
CA1125784A (en) 1982-06-15
NL7908100A (en) 1980-05-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19941029