DE2355859C2 - Verfahren zur Herstellung von delta-Keto-Carbonsäureestern - Google Patents
Verfahren zur Herstellung von delta-Keto-CarbonsäureesternInfo
- Publication number
- DE2355859C2 DE2355859C2 DE2355859A DE2355859A DE2355859C2 DE 2355859 C2 DE2355859 C2 DE 2355859C2 DE 2355859 A DE2355859 A DE 2355859A DE 2355859 A DE2355859 A DE 2355859A DE 2355859 C2 DE2355859 C2 DE 2355859C2
- Authority
- DE
- Germany
- Prior art keywords
- methyl
- acid
- fraction
- carboxylic acid
- methyl acrylate
- 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
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/74—Esters of carboxylic acids having an esterified carboxyl group bound to a carbon atom of a ring other than a six-membered aromatic ring
- C07C69/757—Esters of carboxylic acids having an esterified carboxyl group bound to a carbon atom of a ring other than a six-membered aromatic ring having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety
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 |
|---|---|---|---|
| NLAANVRAGE7215305,A NL173847C (nl) | 1972-11-11 | 1972-11-11 | De bereiding van delta-keto-esters. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2355859A1 DE2355859A1 (de) | 1974-05-16 |
| DE2355859C2 true DE2355859C2 (de) | 1982-11-25 |
Family
ID=19817345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2355859A Expired DE2355859C2 (de) | 1972-11-11 | 1973-11-08 | Verfahren zur Herstellung von delta-Keto-Carbonsäureestern |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4291170A ( ) |
| JP (1) | JPS5652894B2 ( ) |
| BE (1) | BE807113A ( ) |
| CA (1) | CA1123005A ( ) |
| CH (1) | CH586650A5 ( ) |
| DE (1) | DE2355859C2 ( ) |
| FR (1) | FR2206309B1 ( ) |
| GB (1) | GB1389510A ( ) |
| IT (1) | IT997802B ( ) |
| NL (1) | NL173847C ( ) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1212382A (en) * | 1982-04-26 | 1986-10-07 | Koppers Company, Inc. | Liquid-phase preparation of delta-keto carboxylic acid esters utilizing liquid-phase insoluble catalyst |
| JPH01107899U ( ) * | 1988-01-11 | 1989-07-20 | ||
| CN104151166B (zh) * | 2014-08-06 | 2016-10-05 | 大连大学 | 一种合成含多酯基取代环戊酮的方法 |
-
1972
- 1972-11-11 NL NLAANVRAGE7215305,A patent/NL173847C/xx not_active IP Right Cessation
-
1973
- 1973-11-05 GB GB5129273A patent/GB1389510A/en not_active Expired
- 1973-11-07 CH CH1563273A patent/CH586650A5/xx not_active IP Right Cessation
- 1973-11-08 DE DE2355859A patent/DE2355859C2/de not_active Expired
- 1973-11-09 BE BE137568A patent/BE807113A/xx not_active IP Right Cessation
- 1973-11-09 IT IT53612/73A patent/IT997802B/it active
- 1973-11-09 FR FR7339876A patent/FR2206309B1/fr not_active Expired
- 1973-11-10 JP JP12671373A patent/JPS5652894B2/ja not_active Expired
- 1973-11-13 CA CA185,651A patent/CA1123005A/en not_active Expired
-
1977
- 1977-05-20 US US05/798,888 patent/US4291170A/en not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| NICHTS-ERMITTELT |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2355859A1 (de) | 1974-05-16 |
| CA1123005A (en) | 1982-05-04 |
| FR2206309A1 ( ) | 1974-06-07 |
| US4291170A (en) | 1981-09-22 |
| CH586650A5 ( ) | 1977-04-15 |
| GB1389510A (en) | 1975-04-03 |
| NL173847C (nl) | 1984-03-16 |
| NL173847B (nl) | 1983-10-17 |
| JPS5652894B2 ( ) | 1981-12-15 |
| NL7215305A ( ) | 1974-05-14 |
| FR2206309B1 ( ) | 1978-03-10 |
| JPS49133324A ( ) | 1974-12-21 |
| BE807113A (fr) | 1974-05-09 |
| IT997802B (it) | 1975-12-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8176 | Proceedings suspended because of application no: |
Ref document number: 2325160 Country of ref document: DE Format of ref document f/p: P |
|
| Q176 | The application caused the suspense of an application |
Ref document number: 2325160 Country of ref document: DE |
|
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: ZUMSTEIN SEN., F., DR. ASSMANN, E., DIPL.-CHEM. DR.RER.NAT. ZUMSTEIN JUN., F., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 8000 MUENCHEN |
|
| 8365 | Fully valid after opposition proceedings | ||
| 8339 | Ceased/non-payment of the annual fee |