FR2440350A1 - Procede de fabrication de l'acide parahydroxymandelique racemique - Google Patents
Procede de fabrication de l'acide parahydroxymandelique racemiqueInfo
- Publication number
- FR2440350A1 FR2440350A1 FR7831123A FR7831123A FR2440350A1 FR 2440350 A1 FR2440350 A1 FR 2440350A1 FR 7831123 A FR7831123 A FR 7831123A FR 7831123 A FR7831123 A FR 7831123A FR 2440350 A1 FR2440350 A1 FR 2440350A1
- Authority
- FR
- France
- Prior art keywords
- acid
- parahydroxymandelic acid
- producing racemic
- racemic parahydroxymandelic
- producing
- 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.)
- Granted
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)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7831123A FR2440350A1 (fr) | 1978-11-03 | 1978-11-03 | Procede de fabrication de l'acide parahydroxymandelique racemique |
BE0/197604A BE879359A (fr) | 1978-11-03 | 1979-10-11 | Procede de fabrication de l'acide parahydroxymandelique racemique |
CH938079A CH642047A5 (fr) | 1978-11-03 | 1979-10-18 | Procede de fabrication de l'acide parahydroxymandelique racemique. |
CA337,999A CA1125784A (en) | 1978-11-03 | 1979-10-19 | Process for manufacturing racemic parahydroxymandelic acid |
GB7937472A GB2034308B (en) | 1978-11-03 | 1979-10-29 | Process for manufacturing racemic parahydroxymandelic acid |
JP13972579A JPS5564546A (en) | 1978-11-03 | 1979-10-29 | Manufacture of racemiparahydroxymandelic acid |
IT26924/79A IT1124842B (it) | 1978-11-03 | 1979-10-30 | Procedimento di fabbricazione dell'acido para-idrossimandelico racemico |
IE2108/79A IE49308B1 (en) | 1978-11-03 | 1979-11-02 | Process for manufacturing racemic parahydroxymandelic acid |
DE2944295A DE2944295C2 (de) | 1978-11-03 | 1979-11-02 | Verfahren zur Herstellung von racemischer p-Hydroxy-Mandelsäure |
NLAANVRAGE7908100,A NL189910C (nl) | 1978-11-03 | 1979-11-05 | Werkwijze voor de bereiding van racemisch p-hydroxyamandelzuur. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7831123A FR2440350A1 (fr) | 1978-11-03 | 1978-11-03 | Procede de fabrication de l'acide parahydroxymandelique racemique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2440350A1 true FR2440350A1 (fr) | 1980-05-30 |
FR2440350B1 FR2440350B1 (de) | 1981-05-22 |
Family
ID=9214433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7831123A Granted FR2440350A1 (fr) | 1978-11-03 | 1978-11-03 | Procede de fabrication de l'acide parahydroxymandelique racemique |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS5564546A (de) |
BE (1) | BE879359A (de) |
CA (1) | CA1125784A (de) |
CH (1) | CH642047A5 (de) |
DE (1) | DE2944295C2 (de) |
FR (1) | FR2440350A1 (de) |
GB (1) | GB2034308B (de) |
IE (1) | IE49308B1 (de) |
IT (1) | IT1124842B (de) |
NL (1) | NL189910C (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0023459A1 (de) * | 1979-07-25 | 1981-02-04 | SOCIETE FRANCAISE HOECHST Société anonyme dite: | Verfahren zur Herstellung von racemischen Hydroxyarylglykolsäuren |
FR2495137A1 (fr) * | 1980-11-28 | 1982-06-04 | Hoechst France | Procede industriel de preparation en continu de l'acide p-hydroxymandelique racemique |
US5395964A (en) * | 1993-05-28 | 1995-03-07 | Societe Francaise Hoechst | Preparation process for hydroxyphenylacetic acids |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5252643A (en) * | 1991-07-01 | 1993-10-12 | Ciba-Geigy Corporation | Thiomethylated benzofuran-2-ones |
TW206220B (de) * | 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 (de) * | 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. |
TW255902B (de) * | 1992-09-23 | 1995-09-01 | Ciba Geigy | |
MX9305489A (es) * | 1992-09-23 | 1994-03-31 | Ciba Geigy Ag | 3-(dihidrobenzofuran-5-il)benzofuran-2-onas, estabilizadores. |
Family Cites Families (3)
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 |
-
1978
- 1978-11-03 FR FR7831123A patent/FR2440350A1/fr active Granted
-
1979
- 1979-10-11 BE BE0/197604A patent/BE879359A/fr not_active IP Right Cessation
- 1979-10-18 CH CH938079A patent/CH642047A5/fr not_active IP Right Cessation
- 1979-10-19 CA CA337,999A patent/CA1125784A/en not_active Expired
- 1979-10-29 GB GB7937472A patent/GB2034308B/en not_active Expired
- 1979-10-29 JP JP13972579A patent/JPS5564546A/ja active Pending
- 1979-10-30 IT IT26924/79A patent/IT1124842B/it active
- 1979-11-02 IE IE2108/79A patent/IE49308B1/en not_active IP Right Cessation
- 1979-11-02 DE DE2944295A patent/DE2944295C2/de not_active Expired
- 1979-11-05 NL NLAANVRAGE7908100,A patent/NL189910C/xx not_active IP Right Cessation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0023459A1 (de) * | 1979-07-25 | 1981-02-04 | SOCIETE FRANCAISE HOECHST Société anonyme dite: | Verfahren zur Herstellung von racemischen Hydroxyarylglykolsäuren |
WO1981000254A1 (fr) * | 1979-07-25 | 1981-02-05 | 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 |
US5395964A (en) * | 1993-05-28 | 1995-03-07 | Societe Francaise Hoechst | Preparation process for hydroxyphenylacetic acids |
Also Published As
Publication number | Publication date |
---|---|
IT1124842B (it) | 1986-05-14 |
NL189910B (nl) | 1993-04-01 |
FR2440350B1 (de) | 1981-05-22 |
IE792108L (en) | 1980-05-03 |
GB2034308B (en) | 1983-03-30 |
DE2944295C2 (de) | 1982-02-04 |
IT7926924A0 (it) | 1979-10-30 |
DE2944295A1 (de) | 1980-05-08 |
NL189910C (nl) | 1993-09-01 |
BE879359A (fr) | 1980-04-11 |
CH642047A5 (fr) | 1984-03-30 |
CA1125784A (en) | 1982-06-15 |
IE49308B1 (en) | 1985-09-18 |
JPS5564546A (en) | 1980-05-15 |
NL7908100A (nl) | 1980-05-07 |
GB2034308A (en) | 1980-06-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |