DE2338665C2 - Verfahren zur Gewinnung von Methylglyoxa lacetal - Google Patents
Verfahren zur Gewinnung von Methylglyoxa lacetalInfo
- Publication number
- DE2338665C2 DE2338665C2 DE2338665A DE2338665A DE2338665C2 DE 2338665 C2 DE2338665 C2 DE 2338665C2 DE 2338665 A DE2338665 A DE 2338665A DE 2338665 A DE2338665 A DE 2338665A DE 2338665 C2 DE2338665 C2 DE 2338665C2
- Authority
- DE
- Germany
- Prior art keywords
- column
- water
- solution
- acetone
- weight
- 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
- 238000000034 method Methods 0.000 title claims description 7
- 238000011084 recovery Methods 0.000 title 1
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000047 product Substances 0.000 claims description 9
- AIJULSRZWUXGPQ-UHFFFAOYSA-N Methylglyoxal Chemical compound CC(=O)C=O AIJULSRZWUXGPQ-UHFFFAOYSA-N 0.000 claims description 6
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims description 6
- 239000006227 byproduct Substances 0.000 claims description 5
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000006386 neutralization reaction Methods 0.000 claims description 3
- 239000007800 oxidant agent Substances 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 claims 2
- 125000004432 carbon atom Chemical group C* 0.000 claims 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims 1
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 claims 1
- 150000001298 alcohols Chemical class 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000009935 nitrosation Effects 0.000 claims 1
- 238000007034 nitrosation reaction Methods 0.000 claims 1
- 229960001730 nitrous oxide Drugs 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 230000000241 respiratory effect Effects 0.000 claims 1
- 239000006188 syrup Substances 0.000 claims 1
- 235000020357 syrup Nutrition 0.000 claims 1
- 238000010626 work up procedure Methods 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 16
- 239000000243 solution Substances 0.000 description 9
- 239000011541 reaction mixture Substances 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- 238000009835 boiling Methods 0.000 description 4
- -1 methylglyoxal acetal Chemical class 0.000 description 4
- DWJDEJZHYRTMRR-UHFFFAOYSA-N 2,2-dimethoxypropanal Chemical compound COC(C)(OC)C=O DWJDEJZHYRTMRR-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 2
- NKDDWNXOKDWJAK-UHFFFAOYSA-N dimethoxymethane Chemical compound COCOC NKDDWNXOKDWJAK-UHFFFAOYSA-N 0.000 description 2
- 239000012456 homogeneous solution Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 125000000174 L-prolyl group Chemical group [H]N1C([H])([H])C([H])([H])C([H])([H])[C@@]1([H])C(*)=O 0.000 description 1
- 150000001241 acetals Chemical class 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- BXILREUWHCQFES-UHFFFAOYSA-K aluminum;trichloride;hydrochloride Chemical compound [Al+3].Cl.[Cl-].[Cl-].[Cl-] BXILREUWHCQFES-UHFFFAOYSA-K 0.000 description 1
- 239000003674 animal food additive Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000000384 rearing effect Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000003799 water insoluble solvent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/04—Saturated compounds containing keto groups bound to acyclic carbon atoms
- C07C49/175—Saturated compounds containing keto groups bound to acyclic carbon atoms containing ether groups, groups, groups, or groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2338665A DE2338665C2 (de) | 1973-07-31 | 1973-07-31 | Verfahren zur Gewinnung von Methylglyoxa lacetal |
| US05/487,235 US3956074A (en) | 1973-07-31 | 1974-07-10 | Recovery of methylglyoxal acetal by plural stage distillation with intermediate phase separation |
| CA204,582A CA1034073A (en) | 1973-07-31 | 1974-07-11 | Recovery of methylglyoxal acetal |
| FR7426079A FR2239443B1 (enExample) | 1973-07-31 | 1974-07-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2338665A DE2338665C2 (de) | 1973-07-31 | 1973-07-31 | Verfahren zur Gewinnung von Methylglyoxa lacetal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2338665B1 DE2338665B1 (enExample) | 1974-08-15 |
| DE2338665C2 true DE2338665C2 (de) | 1975-04-03 |
Family
ID=5888405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2338665A Expired DE2338665C2 (de) | 1973-07-31 | 1973-07-31 | Verfahren zur Gewinnung von Methylglyoxa lacetal |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3956074A (enExample) |
| CA (1) | CA1034073A (enExample) |
| DE (1) | DE2338665C2 (enExample) |
| FR (1) | FR2239443B1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4435176A1 (de) * | 1994-09-30 | 1996-04-04 | Basf Ag | Verfahren zur Herstellung von Methylglyoxaldimethylacetal |
| US8642351B2 (en) | 2006-09-20 | 2014-02-04 | Waters Technologies Corporation | Apparatus and methods of fluid chromatography |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2588272A (en) * | 1947-12-30 | 1952-03-04 | Standard Oil Dev Co | Distillation of oxygenated organic compounds |
| DE1252193B (de) * | 1966-02-15 | 1967-10-19 | Badische Anilin- S. Soda-Fabrik Aktiengesellschaft, Ludwigshafen/Rhein | Verfahren zur Herstellung von Acetalen des Methylglyoxals |
-
1973
- 1973-07-31 DE DE2338665A patent/DE2338665C2/de not_active Expired
-
1974
- 1974-07-10 US US05/487,235 patent/US3956074A/en not_active Expired - Lifetime
- 1974-07-11 CA CA204,582A patent/CA1034073A/en not_active Expired
- 1974-07-26 FR FR7426079A patent/FR2239443B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2239443A1 (enExample) | 1975-02-28 |
| FR2239443B1 (enExample) | 1977-10-14 |
| US3956074A (en) | 1976-05-11 |
| CA1034073A (en) | 1978-07-04 |
| DE2338665B1 (enExample) | 1974-08-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8330 | Complete disclaimer |