JPH0541618B2 - - Google Patents
Info
- Publication number
- JPH0541618B2 JPH0541618B2 JP30987386A JP30987386A JPH0541618B2 JP H0541618 B2 JPH0541618 B2 JP H0541618B2 JP 30987386 A JP30987386 A JP 30987386A JP 30987386 A JP30987386 A JP 30987386A JP H0541618 B2 JPH0541618 B2 JP H0541618B2
- Authority
- JP
- Japan
- Prior art keywords
- acetylacetone
- acetic acid
- pressure
- reaction solution
- column
- 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 - Fee Related
Links
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 135
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 claims description 115
- 238000010992 reflux Methods 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 27
- 238000009835 boiling Methods 0.000 claims description 23
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 21
- 238000001704 evaporation Methods 0.000 claims description 17
- 230000008020 evaporation Effects 0.000 claims description 13
- 238000004821 distillation Methods 0.000 claims description 9
- 238000000746 purification Methods 0.000 claims description 8
- HETCEOQFVDFGSY-UHFFFAOYSA-N Isopropenyl acetate Chemical compound CC(=C)OC(C)=O HETCEOQFVDFGSY-UHFFFAOYSA-N 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000008707 rearrangement Effects 0.000 claims description 5
- WDJHALXBUFZDSR-UHFFFAOYSA-M acetoacetate Chemical compound CC(=O)CC([O-])=O WDJHALXBUFZDSR-UHFFFAOYSA-M 0.000 claims description 4
- 239000000126 substance Substances 0.000 description 17
- 239000000243 solution Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000000998 batch distillation Methods 0.000 description 6
- 239000012295 chemical reaction liquid Substances 0.000 description 6
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 4
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000001944 continuous distillation Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- WRQNANDWMGAFTP-UHFFFAOYSA-N Methylacetoacetic acid Chemical compound COC(=O)CC(C)=O WRQNANDWMGAFTP-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 235000019439 ethyl acetate Nutrition 0.000 description 1
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical group CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- QBXAXCNNACSYCJ-UHFFFAOYSA-N pentane-2,4-dione;hydrate Chemical compound O.CC(=O)CC(C)=O QBXAXCNNACSYCJ-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006462 rearrangement reaction Methods 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30987386A JPS63162645A (ja) | 1986-12-26 | 1986-12-26 | アセチルアセトンの精製方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30987386A JPS63162645A (ja) | 1986-12-26 | 1986-12-26 | アセチルアセトンの精製方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63162645A JPS63162645A (ja) | 1988-07-06 |
| JPH0541618B2 true JPH0541618B2 (enrdf_load_stackoverflow) | 1993-06-24 |
Family
ID=17998326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30987386A Granted JPS63162645A (ja) | 1986-12-26 | 1986-12-26 | アセチルアセトンの精製方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63162645A (enrdf_load_stackoverflow) |
-
1986
- 1986-12-26 JP JP30987386A patent/JPS63162645A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63162645A (ja) | 1988-07-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |