PT87221A - Processo para a preparacao de esteres do acido lactico opticamente puros - Google Patents
Processo para a preparacao de esteres do acido lactico opticamente purosInfo
- Publication number
- PT87221A PT87221A PT87221A PT8722188A PT87221A PT 87221 A PT87221 A PT 87221A PT 87221 A PT87221 A PT 87221A PT 8722188 A PT8722188 A PT 8722188A PT 87221 A PT87221 A PT 87221A
- Authority
- PT
- Portugal
- Prior art keywords
- alcohol
- enclosure
- preparation
- ester
- optically pure
- Prior art date
Links
- 150000002148 esters Chemical class 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 2
- 238000002360 preparation method Methods 0.000 title abstract 2
- 239000002253 acid Substances 0.000 title 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 6
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 abstract 4
- 238000009833 condensation Methods 0.000 abstract 2
- 230000005494 condensation Effects 0.000 abstract 2
- 238000004821 distillation Methods 0.000 abstract 2
- 238000005886 esterification reaction Methods 0.000 abstract 2
- 235000014655 lactic acid Nutrition 0.000 abstract 2
- 239000004310 lactic acid Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- -1 alkyl lactates Chemical class 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 230000032050 esterification Effects 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/66—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety
- C07C69/67—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of saturated acids
- C07C69/675—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of saturated acids of saturated hydroxy-carboxylic acids
- C07C69/68—Lactic acid esters
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (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 |
|---|---|---|---|
| FR8705407A FR2613715B1 (fr) | 1987-04-13 | 1987-04-13 | Procede de preparation d'esters de l'acide lactique optiquement purs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PT87221A true PT87221A (pt) | 1988-05-01 |
| PT87221B PT87221B (pt) | 1992-08-31 |
Family
ID=9350188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT87221A PT87221B (pt) | 1987-04-13 | 1988-04-12 | Processo para a preparacao de esteres do acido lactico opticamente puros |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0287426B1 (pt) |
| AT (1) | ATE65490T1 (pt) |
| BR (1) | BR8801711A (pt) |
| DE (1) | DE3863821D1 (pt) |
| FR (1) | FR2613715B1 (pt) |
| IE (1) | IE60454B1 (pt) |
| PT (1) | PT87221B (pt) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2677354B1 (fr) * | 1991-06-05 | 1993-09-03 | Rhone Poulenc Chimie | Procede pour la preparation d'esters d'acides racemisables. |
| US6342626B1 (en) * | 2001-01-31 | 2002-01-29 | Council Of Scientific & Industrial Research | Process for the preparation of alkyl esters from commercial lactic acid |
| DE10353934A1 (de) | 2003-11-18 | 2005-06-23 | Sasol Germany Gmbh | Verfahren zur Herstellung von Metallsalzen der Trifluormethansulfonsäure und deren Verwendung als Veresterungskatalysatoren |
| KR102895179B1 (ko) | 2022-02-07 | 2025-12-05 | 주식회사 퓨릿 | 전자급 에틸락테이트 제조장치 및 이를 이용한 전자급 에틸락테이트 제조방법 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2406648A (en) * | 1942-12-08 | 1946-08-27 | Sealtest Inc | Process of preparing water-soluble alkyl lactates |
| US2410740A (en) * | 1944-04-01 | 1946-11-05 | Libbey Owens Ford Glass Co | Preparation of lactates |
| US2519906A (en) * | 1947-05-26 | 1950-08-22 | Us Ind Chemicals Inc | Production of lactig acid esters |
-
1987
- 1987-04-13 FR FR8705407A patent/FR2613715B1/fr not_active Expired - Lifetime
-
1988
- 1988-04-01 AT AT88400797T patent/ATE65490T1/de not_active IP Right Cessation
- 1988-04-01 EP EP88400797A patent/EP0287426B1/fr not_active Expired - Lifetime
- 1988-04-01 DE DE8888400797T patent/DE3863821D1/de not_active Expired - Fee Related
- 1988-04-11 BR BR8801711A patent/BR8801711A/pt not_active Application Discontinuation
- 1988-04-12 IE IE109988A patent/IE60454B1/en not_active IP Right Cessation
- 1988-04-12 PT PT87221A patent/PT87221B/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3863821D1 (de) | 1991-08-29 |
| EP0287426A1 (fr) | 1988-10-19 |
| FR2613715A1 (fr) | 1988-10-14 |
| ATE65490T1 (de) | 1991-08-15 |
| EP0287426B1 (fr) | 1991-07-24 |
| FR2613715B1 (fr) | 1990-11-09 |
| BR8801711A (pt) | 1989-11-07 |
| IE881099L (en) | 1988-10-13 |
| PT87221B (pt) | 1992-08-31 |
| IE60454B1 (en) | 1994-07-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG3A | Patent granted, date of granting |
Effective date: 19920204 |
|
| MM3A | Annulment or lapse |
Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 19930831 |