DE69835508D1 - Verfahren zur herstellung von 2-(omega-alkoxycarbonylalkanoyl)-4-butanoliden,omega-hydroxy-(omega-3)-keto-fettsäureestern und ihrer derivate - Google Patents
Verfahren zur herstellung von 2-(omega-alkoxycarbonylalkanoyl)-4-butanoliden,omega-hydroxy-(omega-3)-keto-fettsäureestern und ihrer derivateInfo
- Publication number
- DE69835508D1 DE69835508D1 DE69835508T DE69835508T DE69835508D1 DE 69835508 D1 DE69835508 D1 DE 69835508D1 DE 69835508 T DE69835508 T DE 69835508T DE 69835508 T DE69835508 T DE 69835508T DE 69835508 D1 DE69835508 D1 DE 69835508D1
- Authority
- DE
- Germany
- Prior art keywords
- omega
- fettic
- butanolides
- keto
- hydroxy
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/32—Oxygen atoms
- C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/317—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
- C07C67/32—Decarboxylation
-
- 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
- C07C69/716—Esters of keto-carboxylic acids or aldehydo-carboxylic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18902297A JPH1121270A (ja) | 1997-06-30 | 1997-06-30 | ω−ヒドロキシ−（ω−３）−ケト脂肪酸エステルおよびその製造法 |
| JP18902297 | 1997-06-30 | ||
| JP18902197A JP4706887B2 (ja) | 1997-06-30 | 1997-06-30 | ２−（ω−アルコキシカルボニルアルカノイル）−４−ブタノリッドの製造法 |
| JP18902197 | 1997-06-30 | ||
| JP21575297 | 1997-07-25 | ||
| JP21575297 | 1997-07-25 | ||
| JP05582798A JP4853691B2 (ja) | 1998-02-20 | 1998-02-20 | α，ω−ジヒドロキシ−δ，（ω−３）−アルカンジオン、ω−ヒドロキシ−（ω−３）−ケト脂肪酸およびその塩、ジカルボン酸およびその塩の分離回収方法 |
| JP5582798 | 1998-02-20 | ||
| PCT/JP1998/002930 WO1999000378A1 (en) | 1997-06-30 | 1998-06-30 | PROCESSES FOR PREPARING 2-(φ-ALKOXYCARBONYLALKANOYL)-4-BUTANOLIDES, φ-HYDROXY-(φ-3)-KETO FATTY ESTERS, AND DERIVATIVES THEREOF |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69835508D1 true DE69835508D1 (de) | 2006-09-21 |
| DE69835508T2 DE69835508T2 (de) | 2007-02-08 |
Family
ID=27463253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69835508T Expired - Lifetime DE69835508T2 (de) | 1997-06-30 | 1998-06-30 | Verfahren zur herstellung von 2-(omega-alkoxycarbonylalkanoyl)-4-butanoliden,omega-hydroxy-(omega-3)-keto-fettsäureestern und ihrer derivate |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6291688B1 (de) |
| EP (1) | EP0970952B1 (de) |
| CN (1) | CN100341865C (de) |
| DE (1) | DE69835508T2 (de) |
| WO (1) | WO1999000378A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6475133B2 (en) | 1997-06-30 | 2002-11-05 | Soda Aromatic Co., Ltd. | Methods for making 2-(ω-alkoxycarbonylalkanoyl)-4-butanolide, ester of omega-hydroxy-(ω-3)-ketoaliphatic acid, and derivatives thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2595094B2 (ja) * | 1989-06-06 | 1997-03-26 | 宇部興産株式会社 | ω―ヒドロキシ―（ω―３）―ケト脂肪酸の製法 |
| US5808106A (en) * | 1995-08-04 | 1998-09-15 | Katou; Tetsuya | Method for producing 2-(ω-alkoxycarbonyl alkanoyl)-4-butanolide and a long-chain ω-hydroxycarboxylic acid |
| US5693828A (en) * | 1996-05-09 | 1997-12-02 | International Flavors & Fragrances Inc. | Process for preparing lactones and intermediates therefor |
-
1998
- 1998-06-30 DE DE69835508T patent/DE69835508T2/de not_active Expired - Lifetime
- 1998-06-30 EP EP98929758A patent/EP0970952B1/de not_active Expired - Lifetime
- 1998-06-30 CN CNB988008823A patent/CN100341865C/zh not_active Expired - Fee Related
- 1998-06-30 US US09/242,805 patent/US6291688B1/en not_active Expired - Lifetime
- 1998-06-30 WO PCT/JP1998/002930 patent/WO1999000378A1/ja active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| EP0970952A4 (de) | 2003-03-19 |
| DE69835508T2 (de) | 2007-02-08 |
| US6291688B1 (en) | 2001-09-18 |
| CN1229406A (zh) | 1999-09-22 |
| CN100341865C (zh) | 2007-10-10 |
| EP0970952A1 (de) | 2000-01-12 |
| WO1999000378A1 (en) | 1999-01-07 |
| EP0970952B1 (de) | 2006-08-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |