CH501578A - Verfahren zur Herstellung eines Alkalimetallsalzes von Niederalkylhydroxymethylenmalonat - Google Patents
Verfahren zur Herstellung eines Alkalimetallsalzes von NiederalkylhydroxymethylenmalonatInfo
- Publication number
- CH501578A CH501578A CH1457668A CH1457668A CH501578A CH 501578 A CH501578 A CH 501578A CH 1457668 A CH1457668 A CH 1457668A CH 1457668 A CH1457668 A CH 1457668A CH 501578 A CH501578 A CH 501578A
- Authority
- CH
- Switzerland
- Prior art keywords
- malonate
- preparation
- alkali metal
- lower alkyl
- metal salt
- Prior art date
Links
- -1 alkali metal salt Chemical class 0.000 title 2
- 229910052783 alkali metal Inorganic materials 0.000 title 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
- C07C69/708—Ethers
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
- A45D2/12—Hair winders or hair curlers for use parallel to the scalp, i.e. flat-curlers
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/52—Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound to an acyclic carbon atom
- C07C69/602—Dicarboxylic acid esters having at least two carbon-to-carbon double bonds
-
- 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
- C07C69/73—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 unsaturated acids
- C07C69/732—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 unsaturated acids of unsaturated hydroxy carboxylic acids
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 |
|---|---|---|---|
| US67193767A | 1967-10-02 | 1967-10-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH501578A true CH501578A (de) | 1971-01-15 |
Family
ID=24696491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1457668A CH501578A (de) | 1967-10-02 | 1968-09-30 | Verfahren zur Herstellung eines Alkalimetallsalzes von Niederalkylhydroxymethylenmalonat |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3637812A (de) |
| CH (1) | CH501578A (de) |
| DE (1) | DE1800352A1 (de) |
| FR (1) | FR1583036A (de) |
| GB (1) | GB1212760A (de) |
| NL (1) | NL6813435A (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2426964C3 (de) * | 1974-06-04 | 1979-06-07 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Herstellung von Alkoxymethylenmalonsäuredialkylestern |
| DE3415475A1 (de) * | 1984-04-26 | 1985-11-07 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur herstellung von alkoxymethylenverbindungen von essigestern und substituierten essigestern |
| TWI562985B (en) * | 2010-07-13 | 2016-12-21 | Lonza Ag | Process for the preparation of enolate salts of 4-fluoro-2-hydroxymethylene-3-oxobutyrates |
-
1967
- 1967-10-02 US US671937A patent/US3637812A/en not_active Expired - Lifetime
-
1968
- 1968-09-19 NL NL6813435A patent/NL6813435A/xx unknown
- 1968-09-24 GB GB45361/68A patent/GB1212760A/en not_active Expired
- 1968-09-30 CH CH1457668A patent/CH501578A/de not_active IP Right Cessation
- 1968-10-01 FR FR1583036D patent/FR1583036A/fr not_active Expired
- 1968-10-01 DE DE19681800352 patent/DE1800352A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL6813435A (de) | 1969-04-08 |
| US3637812A (en) | 1972-01-25 |
| GB1212760A (en) | 1970-11-18 |
| FR1583036A (de) | 1969-10-10 |
| DE1800352A1 (de) | 1969-05-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |