DE2818126C2 - Verfahren zur herstellung von omega-hydroxyfettsaeuren - Google Patents
Verfahren zur herstellung von omega-hydroxyfettsaeurenInfo
- Publication number
- DE2818126C2 DE2818126C2 DE2818126A DE2818126A DE2818126C2 DE 2818126 C2 DE2818126 C2 DE 2818126C2 DE 2818126 A DE2818126 A DE 2818126A DE 2818126 A DE2818126 A DE 2818126A DE 2818126 C2 DE2818126 C2 DE 2818126C2
- Authority
- DE
- Germany
- Prior art keywords
- acid
- butyrolactone
- mol
- reaction
- mixture
- 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
- 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
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Furan Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Description
Claims (1)
oxyalkyl-v-butyrolactone der allgemeinen Formel 1
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4734677A JPS53132521A (en) | 1977-04-26 | 1977-04-26 | Process for preparing omegaahydroxy fatty acid |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2818126A1 DE2818126A1 (de) | 1978-11-09 |
DE2818126C2 true DE2818126C2 (de) | 1986-03-13 |
Family
ID=12772587
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2818126A Expired DE2818126C2 (de) | 1977-04-26 | 1978-04-25 | Verfahren zur herstellung von omega-hydroxyfettsaeuren |
DE2858290A Expired DE2858290C2 (de) | 1977-04-26 | 1978-04-25 | Verfahren zur herstellung von omega-hydroxyfettsaeuren |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2858290A Expired DE2858290C2 (de) | 1977-04-26 | 1978-04-25 | Verfahren zur herstellung von omega-hydroxyfettsaeuren |
Country Status (6)
Country | Link |
---|---|
US (2) | US4244873A (de) |
JP (1) | JPS53132521A (de) |
CH (2) | CH639081A5 (de) |
DE (2) | DE2818126C2 (de) |
GB (1) | GB1576673A (de) |
NL (1) | NL182077C (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57117526A (en) * | 1981-01-13 | 1982-07-22 | Takasago Corp | Preparation of polycondensate from omega-oxypentadecanoic acid |
WO2008142127A1 (en) * | 2007-05-22 | 2008-11-27 | Shell Internationale Research Maatschappij B.V. | Process for converting levulinic acid into pentanoic acid |
JP6039336B2 (ja) * | 2012-09-27 | 2016-12-07 | 日本精化株式会社 | ラクトン誘導体及びこれを含有する化粧料 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2364358A (en) * | 1943-08-18 | 1944-12-05 | Eastman Kodak Co | Ester-lactones |
US2484499A (en) * | 1946-05-15 | 1949-10-11 | Eastman Kodak Co | Process for preparing ester lactones |
US2484497A (en) * | 1946-05-15 | 1949-10-11 | Eastman Kodak Co | Preparation of substituted lower aliphatic acids |
US2444735A (en) * | 1946-06-21 | 1948-07-06 | Eastman Kodak Co | Preparation of monoesters of dicarboxylic acids |
US2462357A (en) * | 1948-02-04 | 1949-02-22 | Eastman Kodak Co | Preparation of beta-lactones |
US2892844A (en) * | 1956-05-10 | 1959-06-30 | Du Pont | The gamma-monolactone of 4, 8-dihydroxyoctanoic acid, its preparation and use |
GB1240580A (en) * | 1969-01-27 | 1971-07-28 | Mobil Oil Corp | Hydrogenolysis of esters and lactones |
GB1514931A (en) * | 1974-06-05 | 1978-06-21 | Bush Boake Allen Ltd | Citronellene lactones and their use in perfumery |
US4125516A (en) * | 1976-03-22 | 1978-11-14 | Ciba-Geigy Corporation | Alkylthioalkanoyloxyalkyl and alkylthioalkyl substituted bis-hydantoin compounds |
-
1977
- 1977-04-26 JP JP4734677A patent/JPS53132521A/ja active Granted
-
1978
- 1978-04-18 US US05/897,641 patent/US4244873A/en not_active Expired - Lifetime
- 1978-04-25 DE DE2818126A patent/DE2818126C2/de not_active Expired
- 1978-04-25 DE DE2858290A patent/DE2858290C2/de not_active Expired
- 1978-04-25 GB GB16314/78A patent/GB1576673A/en not_active Expired
- 1978-04-25 NL NLAANVRAGE7804418,A patent/NL182077C/xx not_active IP Right Cessation
- 1978-04-26 CH CH452478A patent/CH639081A5/de not_active IP Right Cessation
-
1979
- 1979-03-21 US US06/022,600 patent/US4246182A/en not_active Expired - Lifetime
-
1983
- 1983-03-11 CH CH136483A patent/CH639358A5/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CH639358A5 (de) | 1983-11-15 |
JPS53132521A (en) | 1978-11-18 |
CH639081A5 (de) | 1983-10-31 |
DE2818126A1 (de) | 1978-11-09 |
NL7804418A (nl) | 1978-10-30 |
NL182077C (nl) | 1988-01-04 |
DE2858290C2 (de) | 1987-08-20 |
US4244873A (en) | 1981-01-13 |
GB1576673A (en) | 1980-10-15 |
JPS613776B2 (de) | 1986-02-04 |
US4246182A (en) | 1981-01-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OAP | Request for examination filed | ||
OD | Request for examination | ||
8128 | New person/name/address of the agent |
Representative=s name: KOHLER, M., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 80 |
|
8128 | New person/name/address of the agent |
Representative=s name: GLAESER, J., DIPL.-ING., 2000 HAMBURG KRESSIN, H., |
|
8172 | Supplementary division/partition in: |
Ref country code: DE Ref document number: 2858290 Format of ref document f/p: P |
|
Q171 | Divided out to: |
Ref country code: DE Ref document number: 2858290 |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
AH | Division in |
Ref country code: DE Ref document number: 2858290 Format of ref document f/p: P |
|
8339 | Ceased/non-payment of the annual fee |