ATE164825T1 - Verfahren zur herstellung von hydroxyphenylessigsäuren - Google Patents
Verfahren zur herstellung von hydroxyphenylessigsäurenInfo
- Publication number
- ATE164825T1 ATE164825T1 AT94401040T AT94401040T ATE164825T1 AT E164825 T1 ATE164825 T1 AT E164825T1 AT 94401040 T AT94401040 T AT 94401040T AT 94401040 T AT94401040 T AT 94401040T AT E164825 T1 ATE164825 T1 AT E164825T1
- Authority
- AT
- Austria
- Prior art keywords
- formula
- acid
- producing
- hydroxyphenylacetic
- iii
- Prior art date
Links
- 239000002253 acid Substances 0.000 title abstract 2
- 150000007513 acids Chemical class 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- IWYDHOAUDWTVEP-UHFFFAOYSA-N mandelic acid Chemical compound OC(=O)C(O)C1=CC=CC=C1 IWYDHOAUDWTVEP-UHFFFAOYSA-N 0.000 abstract 4
- 238000000034 method Methods 0.000 abstract 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- 150000003839 salts Chemical class 0.000 abstract 2
- CCVYRRGZDBSHFU-UHFFFAOYSA-N (2-hydroxyphenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC=C1O CCVYRRGZDBSHFU-UHFFFAOYSA-N 0.000 abstract 1
- VKVOJYUPJRVDPP-UHFFFAOYSA-N 2,2-dihydroxy-2-phenylacetic acid Chemical compound OC(=O)C(O)(O)C1=CC=CC=C1 VKVOJYUPJRVDPP-UHFFFAOYSA-N 0.000 abstract 1
- 125000003545 alkoxy group Chemical group 0.000 abstract 1
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 239000012736 aqueous medium Substances 0.000 abstract 1
- 229910000000 metal hydroxide Inorganic materials 0.000 abstract 1
- 150000004692 metal hydroxides Chemical class 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 239000012429 reaction media Substances 0.000 abstract 1
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
- C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9306434A FR2705670B1 (fr) | 1993-05-28 | 1993-05-28 | Procédé d'obtention d'acides hydroxyphénylacétiques. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE164825T1 true ATE164825T1 (de) | 1998-04-15 |
Family
ID=9447557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT94401040T ATE164825T1 (de) | 1993-05-28 | 1994-05-10 | Verfahren zur herstellung von hydroxyphenylessigsäuren |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0627402B1 (de) |
| AT (1) | ATE164825T1 (de) |
| DE (1) | DE69409427T2 (de) |
| FR (1) | FR2705670B1 (de) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4184982A (en) * | 1977-06-14 | 1980-01-22 | Basf Aktiengesellschaft | Preparation of a silicate hydrogenation catalyst |
| JPS5592344A (en) * | 1978-12-26 | 1980-07-12 | Nippon Synthetic Chem Ind Co Ltd:The | Preparation of 4-hydroxyphenylacetic acids |
| FR2485523B1 (fr) * | 1980-06-24 | 1985-09-27 | Nippon Synthetic Chem Ind | Procede pour la preparation de l'acide 4-hydroxyphenylacetique |
-
1993
- 1993-05-28 FR FR9306434A patent/FR2705670B1/fr not_active Expired - Lifetime
-
1994
- 1994-05-10 EP EP94401040A patent/EP0627402B1/de not_active Expired - Lifetime
- 1994-05-10 AT AT94401040T patent/ATE164825T1/de active
- 1994-05-10 DE DE69409427T patent/DE69409427T2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2705670B1 (fr) | 1995-08-18 |
| DE69409427D1 (de) | 1998-05-14 |
| EP0627402B1 (de) | 1998-04-08 |
| DE69409427T2 (de) | 1998-08-13 |
| FR2705670A1 (fr) | 1994-12-02 |
| EP0627402A1 (de) | 1994-12-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| EEIH | Change in the person of patent owner |