FR2791668B1 - Procede de preparation d' beta-hydroxy acides - Google Patents
Procede de preparation d' beta-hydroxy acidesInfo
- Publication number
- FR2791668B1 FR2791668B1 FR9904141A FR9904141A FR2791668B1 FR 2791668 B1 FR2791668 B1 FR 2791668B1 FR 9904141 A FR9904141 A FR 9904141A FR 9904141 A FR9904141 A FR 9904141A FR 2791668 B1 FR2791668 B1 FR 2791668B1
- Authority
- FR
- France
- Prior art keywords
- beta
- preparation
- hydroxy acids
- hydroxy
- acids
- 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.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
- C07C323/50—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton
- C07C323/51—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton
- C07C323/52—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being acyclic and saturated
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/105—Aliphatic or alicyclic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
- C07C319/14—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides
- C07C319/20—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides by reactions not involving the formation of sulfide groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/02—Preparation of carboxylic acids or their salts, halides or anhydrides from salts of carboxylic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Animal Husbandry (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9904141A FR2791668B1 (fr) | 1999-04-02 | 1999-04-02 | Procede de preparation d' beta-hydroxy acides |
PCT/EP2000/003102 WO2000059847A1 (fr) | 1999-04-02 | 2000-03-30 | Procédé de préparation de α-hydroxyacides |
AU43985/00A AU4398500A (en) | 1999-04-02 | 2000-03-30 | Process for the preparation of alpha-hydroxy acids |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9904141A FR2791668B1 (fr) | 1999-04-02 | 1999-04-02 | Procede de preparation d' beta-hydroxy acides |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2791668A1 FR2791668A1 (fr) | 2000-10-06 |
FR2791668B1 true FR2791668B1 (fr) | 2001-05-04 |
Family
ID=9543950
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9904141A Expired - Fee Related FR2791668B1 (fr) | 1999-04-02 | 1999-04-02 | Procede de preparation d' beta-hydroxy acides |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU4398500A (fr) |
FR (1) | FR2791668B1 (fr) |
WO (1) | WO2000059847A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8940934B2 (en) | 2008-06-20 | 2015-01-27 | Asahi Kasei Chemicals Corporation | Production process of α-hydroxy acids |
DE102008040415A1 (de) | 2008-07-15 | 2010-01-21 | Evonik Röhm Gmbh | Thermisches Salzspalten von Ammoniumcarboxylaten |
DE102009009580A1 (de) | 2009-02-19 | 2010-08-26 | Evonik Degussa Gmbh | Verfahren zur Herstellung freier Säuren aus ihren Salzen |
DE102009001008A1 (de) | 2009-02-19 | 2010-08-26 | Evonik Degussa Gmbh | Reaktivextraktion von freien organischen Säuren aus deren Ammoniumsalzen |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3923528B2 (ja) * | 1996-02-26 | 2007-06-06 | 日本曹達株式会社 | α―ヒドロキシ酸のアンモニウム塩から遊離酸の製造方法 |
FR2755143B1 (fr) * | 1996-10-25 | 1998-11-27 | Rhone Poulenc Nutrition Animal | Procede de preparation de l'acide 2-hydroxy-4-methylthio-butyrique par utilisation d'une nitrilase |
-
1999
- 1999-04-02 FR FR9904141A patent/FR2791668B1/fr not_active Expired - Fee Related
-
2000
- 2000-03-30 WO PCT/EP2000/003102 patent/WO2000059847A1/fr active Application Filing
- 2000-03-30 AU AU43985/00A patent/AU4398500A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
FR2791668A1 (fr) | 2000-10-06 |
AU4398500A (en) | 2000-10-23 |
WO2000059847A1 (fr) | 2000-10-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |