BE879359A - PROCESS FOR PRODUCING RACEMIC PARAHYDROXYMANDELIC ACID - Google Patents
PROCESS FOR PRODUCING RACEMIC PARAHYDROXYMANDELIC ACIDInfo
- Publication number
- BE879359A BE879359A BE0/197604A BE197604A BE879359A BE 879359 A BE879359 A BE 879359A BE 0/197604 A BE0/197604 A BE 0/197604A BE 197604 A BE197604 A BE 197604A BE 879359 A BE879359 A BE 879359A
- Authority
- BE
- Belgium
- Prior art keywords
- producing racemic
- parahydroxymandelic acid
- racemic parahydroxymandelic
- acid
- producing
- Prior art date
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
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 (1)
| Publication Number | Publication Date |
|---|---|
| BE879359A true BE879359A (en) | 1980-04-11 |
Family
ID=9214433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE0/197604A BE879359A (en) | 1978-11-03 | 1979-10-11 | PROCESS FOR PRODUCING 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)
| 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 |
| TW206220B (en) * | 1991-07-01 | 1993-05-21 | Ciba Geigy Ag | |
| US5252643A (en) * | 1991-07-01 | 1993-10-12 | Ciba-Geigy Corporation | Thiomethylated benzofuran-2-ones |
| EP0545861B1 (en) * | 1991-11-29 | 1995-12-27 | Ciba-Geigy Ag | Diphenylacetic acid derivatives as stabilisers 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)
| 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 |
-
1978
- 1978-11-03 FR FR7831123A patent/FR2440350A1/en active Granted
-
1979
- 1979-10-11 BE BE0/197604A patent/BE879359A/en not_active IP Right Cessation
- 1979-10-18 CH CH938079A patent/CH642047A5/en not_active IP Right Cessation
- 1979-10-19 CA CA337,999A patent/CA1125784A/en not_active Expired
- 1979-10-29 JP JP13972579A patent/JPS5564546A/en active Pending
- 1979-10-29 GB GB7937472A patent/GB2034308B/en not_active Expired
- 1979-10-30 IT IT26924/79A patent/IT1124842B/en active
- 1979-11-02 IE IE2108/79A patent/IE49308B1/en not_active IP Right Cessation
- 1979-11-02 DE DE2944295A patent/DE2944295C2/en not_active Expired
- 1979-11-05 NL NLAANVRAGE7908100,A patent/NL189910C/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL189910C (en) | 1993-09-01 |
| IT7926924A0 (en) | 1979-10-30 |
| FR2440350A1 (en) | 1980-05-30 |
| GB2034308B (en) | 1983-03-30 |
| GB2034308A (en) | 1980-06-04 |
| FR2440350B1 (en) | 1981-05-22 |
| DE2944295A1 (en) | 1980-05-08 |
| CH642047A5 (en) | 1984-03-30 |
| IE792108L (en) | 1980-05-03 |
| IE49308B1 (en) | 1985-09-18 |
| NL7908100A (en) | 1980-05-07 |
| DE2944295C2 (en) | 1982-02-04 |
| NL189910B (en) | 1993-04-01 |
| CA1125784A (en) | 1982-06-15 |
| JPS5564546A (en) | 1980-05-15 |
| IT1124842B (en) | 1986-05-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: SOC. FRANCAISE HOECHST Effective date: 19941031 |