GB1143765A - - Google Patents
Info
- Publication number
- GB1143765A GB1143765A GB1143765DA GB1143765A GB 1143765 A GB1143765 A GB 1143765A GB 1143765D A GB1143765D A GB 1143765DA GB 1143765 A GB1143765 A GB 1143765A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reaction mixture
- reaction
- heat
- alcohol
- reaction zone
- 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.)
- Active
Links
- 239000011541 reaction mixture Substances 0.000 abstract 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 2
- WDJHALXBUFZDSR-UHFFFAOYSA-N acetoacetic acid Chemical class CC(=O)CC(O)=O WDJHALXBUFZDSR-UHFFFAOYSA-N 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 2
- -1 2-ethylhexyl esters Chemical class 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 abstract 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 239000002826 coolant Substances 0.000 abstract 1
- WASQWSOJHCZDFK-UHFFFAOYSA-N diketene Chemical compound C=C1CC(=O)O1 WASQWSOJHCZDFK-UHFFFAOYSA-N 0.000 abstract 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 abstract 1
- 150000007530 organic bases Chemical class 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEW39182A DE1260459B (de) | 1965-05-19 | 1965-05-19 | Verfahren zur kontinuierlichen Herstellung von Acetessigsaeureestern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1143765A true GB1143765A (enrdf_load_stackoverflow) |
Family
ID=7602027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1143765D Active GB1143765A (enrdf_load_stackoverflow) | 1965-05-19 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5019537B1 (enrdf_load_stackoverflow) |
| BE (1) | BE681220A (enrdf_load_stackoverflow) |
| CH (1) | CH462137A (enrdf_load_stackoverflow) |
| DE (1) | DE1260459B (enrdf_load_stackoverflow) |
| GB (1) | GB1143765A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102442907A (zh) * | 2010-10-12 | 2012-05-09 | 上海吴泾化工有限公司 | 脱除乙酰乙酸酯反应液中有机胺催化剂和醋酐的方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT217442B (de) * | 1959-08-13 | 1961-10-10 | Lonza Ag | Verfahren zur Herstellung von Acetessigsäureestern |
-
0
- GB GB1143765D patent/GB1143765A/en active Active
-
1965
- 1965-05-19 DE DEW39182A patent/DE1260459B/de active Pending
-
1966
- 1966-05-18 BE BE681220D patent/BE681220A/xx unknown
- 1966-05-18 CH CH723166A patent/CH462137A/de unknown
- 1966-05-19 JP JP41032032A patent/JPS5019537B1/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102442907A (zh) * | 2010-10-12 | 2012-05-09 | 上海吴泾化工有限公司 | 脱除乙酰乙酸酯反应液中有机胺催化剂和醋酐的方法 |
| CN102442907B (zh) * | 2010-10-12 | 2015-04-08 | 上海华谊工程技术有限公司 | 脱除乙酰乙酸酯反应液中有机胺催化剂和醋酐的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1260459B (de) | 1968-02-08 |
| CH462137A (de) | 1968-09-15 |
| BE681220A (enrdf_load_stackoverflow) | 1966-11-18 |
| JPS5019537B1 (enrdf_load_stackoverflow) | 1975-07-08 |
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