CA2121048A1 - The preparation of 2,5-dihydroxyphenylacetic acid - Google Patents
The preparation of 2,5-dihydroxyphenylacetic acidInfo
- Publication number
- CA2121048A1 CA2121048A1 CA002121048A CA2121048A CA2121048A1 CA 2121048 A1 CA2121048 A1 CA 2121048A1 CA 002121048 A CA002121048 A CA 002121048A CA 2121048 A CA2121048 A CA 2121048A CA 2121048 A1 CA2121048 A1 CA 2121048A1
- Authority
- CA
- Canada
- Prior art keywords
- acid
- preparation
- phenylacetic acid
- compound
- formula
- 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.)
- Abandoned
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/40—Preparation of oxygen-containing organic compounds containing a carboxyl group including Peroxycarboxylic acids
- C12P7/42—Hydroxy-carboxylic acids
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microbiology (AREA)
- General Chemical & Material Sciences (AREA)
- Biotechnology (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP4134774.9 | 1991-10-22 | ||
| DE4134774A DE4134774A1 (de) | 1991-10-22 | 1991-10-22 | Verfahren zur herstellung von 2,5-dihydroxyphenylessigsaeure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2121048A1 true CA2121048A1 (en) | 1993-04-29 |
Family
ID=6443129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002121048A Abandoned CA2121048A1 (en) | 1991-10-22 | 1992-09-25 | The preparation of 2,5-dihydroxyphenylacetic acid |
Country Status (10)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3442165B2 (ja) * | 1994-11-02 | 2003-09-02 | 富士写真フイルム株式会社 | ハロゲン化銀写真感光材料用現像剤、現像液組成物並びにハロゲン化銀写真感光材料の現像処理方法 |
| FR2772789B1 (fr) * | 1997-12-24 | 2000-11-24 | Rhone Poulenc Agrochimie | Procede de preparation enzymatique d'homogentisate |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4217416A (en) * | 1979-04-19 | 1980-08-12 | Pfizer, Inc. | Biotransformation preparation of 2,3-dihydroxybenzoic acid |
| EP0089039B1 (en) * | 1982-03-16 | 1987-12-23 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Process for producing d-beta-hydroxyalkanoic acid |
| US4877728A (en) * | 1988-03-28 | 1989-10-31 | Miles Inc. | Biotransformation of L-tyrosine and L-phenylalanine to 2,5-dihydroxyphenylacetic acid followed by polymerization to melanin pigments |
-
1991
- 1991-10-22 DE DE4134774A patent/DE4134774A1/de not_active Withdrawn
-
1992
- 1992-09-25 ES ES92920593T patent/ES2118828T3/es not_active Expired - Lifetime
- 1992-09-25 DE DE59209468T patent/DE59209468D1/de not_active Expired - Lifetime
- 1992-09-25 AT AT92920593T patent/ATE169961T1/de not_active IP Right Cessation
- 1992-09-25 KR KR1019940701318A patent/KR100273731B1/ko not_active Expired - Fee Related
- 1992-09-25 DK DK92920593T patent/DK0609254T3/da active
- 1992-09-25 CA CA002121048A patent/CA2121048A1/en not_active Abandoned
- 1992-09-25 WO PCT/EP1992/002222 patent/WO1993008295A1/de active IP Right Grant
- 1992-09-25 JP JP5507378A patent/JPH07500498A/ja active Pending
- 1992-09-25 EP EP92920593A patent/EP0609254B1/de not_active Expired - Lifetime
- 1992-10-14 TW TW081108160A patent/TW242167B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| TW242167B (enrdf_load_stackoverflow) | 1995-03-01 |
| ATE169961T1 (de) | 1998-09-15 |
| JPH07500498A (ja) | 1995-01-19 |
| ES2118828T3 (es) | 1998-10-01 |
| EP0609254B1 (de) | 1998-08-19 |
| KR100273731B1 (ko) | 2000-12-15 |
| DE4134774A1 (de) | 1993-05-06 |
| DE59209468D1 (de) | 1998-09-24 |
| WO1993008295A1 (de) | 1993-04-29 |
| EP0609254A1 (de) | 1994-08-10 |
| DK0609254T3 (da) | 1999-02-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |