GR3005026T3 - - Google Patents
Info
- Publication number
- GR3005026T3 GR3005026T3 GR920401220T GR920401220T GR3005026T3 GR 3005026 T3 GR3005026 T3 GR 3005026T3 GR 920401220 T GR920401220 T GR 920401220T GR 920401220 T GR920401220 T GR 920401220T GR 3005026 T3 GR3005026 T3 GR 3005026T3
- Authority
- GR
- Greece
- Prior art keywords
- phenol
- aqueous solution
- glyoxylic acid
- acid
- temperature
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/41—Preparation of salts of carboxylic acids
- C07C51/412—Preparation of salts of carboxylic acids by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8814575A FR2638740B1 (fr) | 1988-11-08 | 1988-11-08 | Nouveau procede de fabrication industrielle du parahydroxymandelate de sodium |
Publications (1)
Publication Number | Publication Date |
---|---|
GR3005026T3 true GR3005026T3 (el) | 1993-05-24 |
Family
ID=9371685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR920401220T GR3005026T3 (el) | 1988-11-08 | 1992-06-25 |
Country Status (9)
Country | Link |
---|---|
US (1) | US4978784A (el) |
EP (1) | EP0368696B1 (el) |
JP (1) | JP2789045B2 (el) |
AT (1) | ATE77618T1 (el) |
CA (1) | CA2002139A1 (el) |
DE (1) | DE68901913T2 (el) |
ES (1) | ES2033117T3 (el) |
FR (1) | FR2638740B1 (el) |
GR (1) | GR3005026T3 (el) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2687143B1 (fr) * | 1992-02-12 | 1995-06-23 | Hoechst France | Procede d'obtention de l'acide orthohydroxymandelique et de ses sels. |
FR2705669B1 (fr) * | 1993-05-28 | 1995-08-25 | Hoechst France | Procédé de préparation d'acides hydroxyphénylacétiques. |
FR2760745B1 (fr) * | 1997-03-11 | 1999-05-28 | Hoechst France | Procede industriel de preparation en continu de l'orthohydroxymandelate de sodium |
NL1010090C2 (nl) * | 1998-09-15 | 2000-03-17 | Gerard Kessels Sociedad Anonim | Werkwijze voor de bereiding van 2- en 4-hydroxyamandelzuur. |
FR2901553B1 (fr) | 2006-05-24 | 2011-08-26 | Clariant Specialty Fine Chem F | Complexes metalliques comprenant un ligand derive d'acide 2-aryl-2-hydroxyacetique et un cation metallique divalent ou trivalent, et leur utilisation |
FR3013351B1 (fr) * | 2013-11-15 | 2016-01-01 | Rhodia Operations | Procede de preparation de compose aromatique mandelique et de compose aldehyde aromatique |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6023659B2 (ja) * | 1977-10-20 | 1985-06-08 | 宇部興産株式会社 | ヒドロキシモノマンデル酸化合物の製造法 |
FR2427322A1 (fr) * | 1979-06-15 | 1979-12-28 | Hoechst France | Parahydroxymandelate de sodium racemique cristallise, son procede de preparation et son application a la preparation du paraformylphenolate de sodium cristallise |
DE3063330D1 (en) * | 1979-08-09 | 1983-07-07 | Beecham Group Plc | Process for the isolation of a solid salt of p-hydroxymandelic acid; some salts of p-hydroxymandelic acid |
JPS5668641A (en) * | 1979-11-07 | 1981-06-09 | Nippon Synthetic Chem Ind Co Ltd:The | Preparation of hydroxymandelic acids |
JPS55102537A (en) * | 1980-01-16 | 1980-08-05 | Nippon Synthetic Chem Ind Co Ltd:The | Preparation of 4-hydroxymandelic acid |
-
1988
- 1988-11-08 FR FR8814575A patent/FR2638740B1/fr not_active Expired - Lifetime
-
1989
- 1989-10-10 AT AT89402790T patent/ATE77618T1/de not_active IP Right Cessation
- 1989-10-10 DE DE8989402790T patent/DE68901913T2/de not_active Expired - Lifetime
- 1989-10-10 ES ES198989402790T patent/ES2033117T3/es not_active Expired - Lifetime
- 1989-10-10 EP EP89402790A patent/EP0368696B1/fr not_active Expired - Lifetime
- 1989-10-25 US US07/426,352 patent/US4978784A/en not_active Expired - Lifetime
- 1989-11-01 JP JP1286017A patent/JP2789045B2/ja not_active Expired - Lifetime
- 1989-11-02 CA CA002002139A patent/CA2002139A1/en not_active Abandoned
-
1992
- 1992-06-25 GR GR920401220T patent/GR3005026T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
EP0368696B1 (fr) | 1992-06-24 |
CA2002139A1 (en) | 1990-05-08 |
DE68901913T2 (de) | 1992-12-17 |
ATE77618T1 (de) | 1992-07-15 |
JP2789045B2 (ja) | 1998-08-20 |
DE68901913D1 (de) | 1992-07-30 |
EP0368696A1 (fr) | 1990-05-16 |
JPH02178251A (ja) | 1990-07-11 |
FR2638740B1 (fr) | 1991-07-12 |
ES2033117T3 (es) | 1993-03-01 |
FR2638740A1 (fr) | 1990-05-11 |
US4978784A (en) | 1990-12-18 |
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