DE3345807A1 - Verfahren zur herstellung reiner methoxyessigsaeure - Google Patents
Verfahren zur herstellung reiner methoxyessigsaeureInfo
- Publication number
- DE3345807A1 DE3345807A1 DE19833345807 DE3345807A DE3345807A1 DE 3345807 A1 DE3345807 A1 DE 3345807A1 DE 19833345807 DE19833345807 DE 19833345807 DE 3345807 A DE3345807 A DE 3345807A DE 3345807 A1 DE3345807 A1 DE 3345807A1
- Authority
- DE
- Germany
- Prior art keywords
- methoxyacetic acid
- acid
- weight
- pure
- methoxyacetic
- 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.)
- Granted
Links
- RMIODHQZRUFFFF-UHFFFAOYSA-N methoxyacetic acid Chemical compound COCC(O)=O RMIODHQZRUFFFF-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000002360 preparation method Methods 0.000 title abstract 2
- 239000000203 mixture Substances 0.000 claims abstract description 17
- -1 2-methoxyethyl ester Chemical class 0.000 claims abstract description 3
- 238000001816 cooling Methods 0.000 claims abstract description 3
- 239000002253 acid Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000002425 crystallisation Methods 0.000 description 9
- 230000008025 crystallization Effects 0.000 description 9
- UKCLWLHLRSZLQC-UHFFFAOYSA-N 2-methoxyethyl 2-methoxyacetate Chemical compound COCCOC(=O)COC UKCLWLHLRSZLQC-UHFFFAOYSA-N 0.000 description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 5
- 238000007710 freezing Methods 0.000 description 5
- 230000008014 freezing Effects 0.000 description 5
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- ICPWFHKNYYRBSZ-UHFFFAOYSA-M 2-methoxypropanoate Chemical compound COC(C)C([O-])=O ICPWFHKNYYRBSZ-UHFFFAOYSA-M 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- QRMHDGWGLNLHMN-UHFFFAOYSA-N Methyl methoxyacetate Chemical compound COCC(=O)OC QRMHDGWGLNLHMN-UHFFFAOYSA-N 0.000 description 2
- 235000011054 acetic acid Nutrition 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 239000004009 herbicide Substances 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 239000002917 insecticide Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 235000019260 propionic acid Nutrition 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000012264 purified product Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833345807 DE3345807A1 (de) | 1983-12-17 | 1983-12-17 | Verfahren zur herstellung reiner methoxyessigsaeure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833345807 DE3345807A1 (de) | 1983-12-17 | 1983-12-17 | Verfahren zur herstellung reiner methoxyessigsaeure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3345807A1 true DE3345807A1 (de) | 1985-06-27 |
| DE3345807C2 DE3345807C2 (enrdf_load_stackoverflow) | 1987-12-17 |
Family
ID=6217320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19833345807 Granted DE3345807A1 (de) | 1983-12-17 | 1983-12-17 | Verfahren zur herstellung reiner methoxyessigsaeure |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3345807A1 (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018001861A1 (de) | 2016-06-28 | 2018-01-04 | Basf Se | Verfahren zur herstellung von 2-methoxyessigsäure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3342858A (en) * | 1964-08-20 | 1967-09-19 | Allied Chem | Preparation of alkoxy-alkanoic acids by the oxidation of alkoxy-alkanols |
| DE2832949A1 (de) * | 1978-03-21 | 1979-10-04 | Lonza Ag | Verfahren zur herstellung von methoxyessigsaeure |
| DE2936123A1 (de) * | 1979-09-07 | 1981-04-02 | Hoechst Ag, 6000 Frankfurt | Verfahren zur herstellung von alkoxyessigsaeuren |
-
1983
- 1983-12-17 DE DE19833345807 patent/DE3345807A1/de active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3342858A (en) * | 1964-08-20 | 1967-09-19 | Allied Chem | Preparation of alkoxy-alkanoic acids by the oxidation of alkoxy-alkanols |
| DE2832949A1 (de) * | 1978-03-21 | 1979-10-04 | Lonza Ag | Verfahren zur herstellung von methoxyessigsaeure |
| DE2936123A1 (de) * | 1979-09-07 | 1981-04-02 | Hoechst Ag, 6000 Frankfurt | Verfahren zur herstellung von alkoxyessigsaeuren |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018001861A1 (de) | 2016-06-28 | 2018-01-04 | Basf Se | Verfahren zur herstellung von 2-methoxyessigsäure |
| KR20190022557A (ko) * | 2016-06-28 | 2019-03-06 | 바스프 에스이 | 2-메톡시아세트산을 제조하는 방법 |
| US11104634B2 (en) | 2016-06-28 | 2021-08-31 | Basf Se | Method for producing 2-methoxyacetic acid |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3345807C2 (enrdf_load_stackoverflow) | 1987-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |