ES8307704A1 - Procedimiento mejorado para obtener acidos carboxilicos opticamente activos. - Google Patents
Procedimiento mejorado para obtener acidos carboxilicos opticamente activos.Info
- Publication number
- ES8307704A1 ES8307704A1 ES511651A ES511651A ES8307704A1 ES 8307704 A1 ES8307704 A1 ES 8307704A1 ES 511651 A ES511651 A ES 511651A ES 511651 A ES511651 A ES 511651A ES 8307704 A1 ES8307704 A1 ES 8307704A1
- Authority
- ES
- Spain
- Prior art keywords
- optically active
- carboxylic acids
- active carboxylic
- preparing optically
- atom
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
- C07C57/52—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing halogen
- C07C57/58—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing halogen containing six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
- C07C57/30—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C59/40—Unsaturated compounds
- C07C59/58—Unsaturated compounds containing ether groups, groups, groups, or groups
- C07C59/64—Unsaturated compounds containing ether groups, groups, groups, or groups containing six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C59/40—Unsaturated compounds
- C07C59/58—Unsaturated compounds containing ether groups, groups, groups, or groups
- C07C59/64—Unsaturated compounds containing ether groups, groups, groups, or groups containing six-membered aromatic rings
- C07C59/66—Unsaturated compounds containing ether groups, groups, groups, or groups containing six-membered aromatic rings the non-carboxylic part of the ether containing six-membered aromatic rings
- C07C59/68—Unsaturated compounds containing ether groups, groups, groups, or groups containing six-membered aromatic rings the non-carboxylic part of the ether containing six-membered aromatic rings the oxygen atom of the ether group being bound to a non-condensed six-membered aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/46—Preparation of carboxylic acid esters from ketenes or polyketenes
Abstract
PROCEDIMIENTO MEJORADO PARA OBTENER ACIDOS CARBOXILICOS OPTICAMENTE ACTIVOS. SE HACE REACCIONAR UN CETENO (II) CON UN ALCOHOL OPTICAMENTE ACTIVO EN FASE LIQUIDA HOMOGENEA, EN PRESENCIA DE UNA AMINA TERCIARIA, TRANSFORMANDO EL ESTER OBTENIDO EN EL ACIDO CORRESPONDIENTE (I) DONDE R>1 ES UN RADICAL ORGANICO UNIDO POR VIA DE UN ATOMO DE C A OTRO DE C ASIMETRICO; R>2 ES UNO DE LOS RADICALES R>1 AUNQUE NO EL MISMO; HALOGENO O UN RADICAL ORGANICO UNIDO POR VIA DE UN ATOMO DE OXIGENO A UN ATOMO DE C ASIMETRICO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19813116474 DE3116474A1 (de) | 1981-04-25 | 1981-04-25 | Verfahren zur herstellung von optisch aktiven carbonsaeuren |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8307704A1 true ES8307704A1 (es) | 1983-08-16 |
ES511651A0 ES511651A0 (es) | 1983-08-16 |
Family
ID=6130814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES511651A Granted ES511651A0 (es) | 1981-04-25 | 1982-04-23 | Procedimiento mejorado para obtener acidos carboxilicos opticamente activos. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4691020A (es) |
EP (1) | EP0063731B1 (es) |
JP (1) | JPS57181021A (es) |
AT (1) | ATE8243T1 (es) |
CA (1) | CA1181766A (es) |
DE (2) | DE3116474A1 (es) |
ES (1) | ES511651A0 (es) |
HU (1) | HU186861B (es) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0291626A3 (en) * | 1982-11-22 | 1989-05-31 | E.I. Du Pont De Nemours And Company | Process for the preparation of optically-active cyanomethyl esters |
NZ206106A (en) * | 1982-11-22 | 1987-10-30 | Shell Oil Co | Processes for the preparation of optically active cyanomethyl esters of alpha-chiral carboxylic acids and optionally substituted s-alpha-cyano-3-phenoxybenzyl alcohol |
US4546198A (en) * | 1983-01-18 | 1985-10-08 | Shell Oil Company | Asymmetric synthesis of esters and acids |
US4529810A (en) * | 1983-02-22 | 1985-07-16 | Shell Oil Company | Preparation of optically-active alpha-substituted carboxylic esters and acids |
US4709082A (en) * | 1984-10-25 | 1987-11-24 | Nissan Chemical Industries, Ltd. | 2-phenylpropionic acid esters, method for optical resolution thereof and optically active substance thereof |
JPS61126035A (ja) * | 1985-06-05 | 1986-06-13 | Daicel Chem Ind Ltd | 光学分割方法 |
GB8514489D0 (en) * | 1985-06-07 | 1985-07-10 | Shell Int Research | Producing 2-arylpropionic acids |
JPS62175446A (ja) * | 1986-01-27 | 1987-08-01 | Daicel Chem Ind Ltd | (±)−1−(1−ナフチル)エチルアミンの光学分割法 |
US4940813A (en) * | 1989-03-31 | 1990-07-10 | Merck & Co., Inc. | Resolution of a carboxylic acid |
DE19815833A1 (de) * | 1998-04-09 | 1999-10-14 | Basf Ag | Verfahren zur Herstellung von Linalylacetat |
-
1981
- 1981-04-25 DE DE19813116474 patent/DE3116474A1/de not_active Withdrawn
-
1982
- 1982-03-30 CA CA000399834A patent/CA1181766A/en not_active Expired
- 1982-04-08 DE DE8282103013T patent/DE3260326D1/de not_active Expired
- 1982-04-08 AT AT82103013T patent/ATE8243T1/de not_active IP Right Cessation
- 1982-04-08 EP EP82103013A patent/EP0063731B1/de not_active Expired
- 1982-04-20 JP JP57064858A patent/JPS57181021A/ja active Pending
- 1982-04-23 ES ES511651A patent/ES511651A0/es active Granted
- 1982-04-23 HU HU821290A patent/HU186861B/hu unknown
-
1984
- 1984-07-23 US US06/632,700 patent/US4691020A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0063731A1 (de) | 1982-11-03 |
EP0063731B1 (de) | 1984-07-04 |
US4691020A (en) | 1987-09-01 |
DE3116474A1 (de) | 1982-11-11 |
JPS57181021A (en) | 1982-11-08 |
DE3260326D1 (en) | 1984-08-09 |
ES511651A0 (es) | 1983-08-16 |
HU186861B (en) | 1985-10-28 |
ATE8243T1 (de) | 1984-07-15 |
CA1181766A (en) | 1985-01-29 |
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