DD202139A5 - Verfahren zur herstellung von dimedon - Google Patents
Verfahren zur herstellung von dimedon Download PDFInfo
- Publication number
- DD202139A5 DD202139A5 DD82239906A DD23990682A DD202139A5 DD 202139 A5 DD202139 A5 DD 202139A5 DD 82239906 A DD82239906 A DD 82239906A DD 23990682 A DD23990682 A DD 23990682A DD 202139 A5 DD202139 A5 DD 202139A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- dimethyl
- oxo
- item
- hexanoic acid
- dimedone
- Prior art date
Links
- BADXJIPKFRBFOT-UHFFFAOYSA-N dimedone Chemical compound CC1(C)CC(=O)CC(=O)C1 BADXJIPKFRBFOT-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims description 14
- 238000002360 preparation method Methods 0.000 title claims description 4
- SLBXWQKHHZUDAY-UHFFFAOYSA-N 3,3-dimethyl-5-oxohexanoic acid Chemical compound CC(=O)CC(C)(C)CC(O)=O SLBXWQKHHZUDAY-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000018044 dehydration Effects 0.000 claims abstract description 12
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 12
- HJOVHMDZYOCNQW-UHFFFAOYSA-N isophorone Chemical compound CC1=CC(=O)CC(C)(C)C1 HJOVHMDZYOCNQW-UHFFFAOYSA-N 0.000 claims abstract description 12
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 4
- 230000007062 hydrolysis Effects 0.000 claims abstract description 4
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 8
- ZPSJGADGUYYRKE-UHFFFAOYSA-N 2H-pyran-2-one Chemical compound O=C1C=CC=CO1 ZPSJGADGUYYRKE-UHFFFAOYSA-N 0.000 claims description 7
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 claims description 6
- 238000010533 azeotropic distillation Methods 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- 239000007858 starting material Substances 0.000 claims description 3
- 150000001340 alkali metals Chemical class 0.000 claims description 2
- -1 alkali metal alkoxide Chemical class 0.000 abstract description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 238000010992 reflux Methods 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- 150000002596 lactones Chemical class 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- XNIHZNNZJHYHLC-UHFFFAOYSA-N 2-oxohexanoic acid Chemical compound CCCCC(=O)C(O)=O XNIHZNNZJHYHLC-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- OZXIZRZFGJZWBF-UHFFFAOYSA-N 1,3,5-trimethyl-2-(2,4,6-trimethylphenoxy)benzene Chemical compound CC1=CC(C)=CC(C)=C1OC1=C(C)C=C(C)C=C1C OZXIZRZFGJZWBF-UHFFFAOYSA-N 0.000 description 1
- GUHILFBUKAVJSQ-UHFFFAOYSA-N 4,4-dimethylhexan-2-one Chemical compound CCC(C)(C)CC(C)=O GUHILFBUKAVJSQ-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- WWZKQHOCKIZLMA-UHFFFAOYSA-N Caprylic acid Natural products CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- IYXGSMUGOJNHAZ-UHFFFAOYSA-N Ethyl malonate Chemical compound CCOC(=O)CC(=O)OCC IYXGSMUGOJNHAZ-UHFFFAOYSA-N 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
- 241001082207 Lactoris Species 0.000 description 1
- UOGBWVLAMKCFBK-UHFFFAOYSA-N acetyl acetate;hydrate Chemical compound O.CC(=O)OC(C)=O UOGBWVLAMKCFBK-UHFFFAOYSA-N 0.000 description 1
- 238000007171 acid catalysis Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- GONOPSZTUGRENK-UHFFFAOYSA-N benzyl(trichloro)silane Chemical compound Cl[Si](Cl)(Cl)CC1=CC=CC=C1 GONOPSZTUGRENK-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002051 biphasic effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 239000010805 inorganic waste Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- SHOJXDKTYKFBRD-UHFFFAOYSA-N mesityl oxide Natural products CC(C)=CC(C)=O SHOJXDKTYKFBRD-UHFFFAOYSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N n-hexanoic acid Natural products CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003918 potentiometric titration Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- YNJBWRMUSHSURL-UHFFFAOYSA-N trichloroacetic acid Chemical compound OC(=O)C(Cl)(Cl)Cl YNJBWRMUSHSURL-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/32—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
-
- 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
- C07C45/56—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds
- C07C45/57—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom
- C07C45/60—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom in six-membered rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/34—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with ozone; by hydrolysis of ozonides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (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 |
|---|---|---|---|
| CH332181 | 1981-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD202139A5 true DD202139A5 (de) | 1983-08-31 |
Family
ID=4253454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD82239906A DD202139A5 (de) | 1981-05-21 | 1982-05-17 | Verfahren zur herstellung von dimedon |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0065708A3 (da) |
| JP (1) | JPS57197239A (da) |
| DD (1) | DD202139A5 (da) |
| DK (1) | DK228182A (da) |
| IL (1) | IL65821A0 (da) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2261751C3 (de) * | 1972-12-16 | 1981-12-24 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von Cyclohexandionen-(1,3) |
| DE2448677C3 (de) * | 1974-10-12 | 1980-04-03 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von Cyclohexan-13-dionen bzw. 6-Alkyl-3, 4-dihydro-2-pyranonen |
| DE2450086C3 (de) * | 1974-10-22 | 1981-10-08 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von Resorcinen aus δ -Ketocarbonsäuren oder ihren Lactonen |
| DE2533920C2 (de) * | 1975-07-30 | 1982-12-09 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von Resorcinen |
-
1982
- 1982-05-12 EP EP82104157A patent/EP0065708A3/de not_active Withdrawn
- 1982-05-17 DD DD82239906A patent/DD202139A5/de unknown
- 1982-05-19 DK DK228182A patent/DK228182A/da not_active Application Discontinuation
- 1982-05-19 IL IL65821A patent/IL65821A0/xx unknown
- 1982-05-20 JP JP57085649A patent/JPS57197239A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0065708A3 (de) | 1983-01-26 |
| IL65821A0 (en) | 1982-08-31 |
| DK228182A (da) | 1982-11-22 |
| EP0065708A2 (de) | 1982-12-01 |
| JPS57197239A (en) | 1982-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2721264C2 (de) | Verfahren zur Herstellung von Di-n-propylessigsäure und deren nichttoxischen Alkali- und Erdalkalimetallsalzen | |
| DE3010195C2 (da) | ||
| EP0760367A2 (de) | Verfahren zur Herstellung von 4-Acylamino-2,2,6,6-tetramethylpiperidinen | |
| DE2429935C3 (de) | Verfahren zur Herstellung von 2,2,6,6- Tetramethyl-4-oxopiperidin | |
| DE2365302C3 (de) | Verfahren zur herstellung von 2- amino-nicotino-nitrilen | |
| EP0252353B1 (de) | 4-Benzyloxy-3-pyrrolin-2-on-1-yl-acetamid, dessen Herstellung und Verwendung | |
| EP0055797B1 (de) | Verfahren zur Herstellung substituierter Essigsäuren und/oder deren Estern bzw. substituierter Acetonitrile | |
| DD150741A5 (de) | Verfahren zur herstellung von 2',6'-dialkyl-n-(alkoxymethyl)-2-chloracetaniliden | |
| DE69012655T2 (de) | Alpha-(omega-cyanoalkanoyl)-gamma-butyrolactone und Verfahren zu ihrer Herstellung. | |
| DD202139A5 (de) | Verfahren zur herstellung von dimedon | |
| DE2609015A1 (de) | Verfahren zur herstellung von benz (f)-2,5-oxazocinen | |
| EP0065707B1 (de) | Verfahren zur Herstellung von Dimedon | |
| DE2352922A1 (de) | Verfahren zur herstellung von perchlormethylmercaptan | |
| EP1476446B1 (de) | Verfahren zur herstellung von n-ethyl-n-(3-(3-cyanopyrazolo-(1,5-a)-pyrimidin-7-yl)phenyl)-acetamid | |
| EP0894790B1 (de) | Verfahren zur Herstellung von 1,2,3,6-Tetrahydro-2,2,6,6-tetramethylpyridin | |
| EP0678515B1 (de) | Verfahren und Zwischenprodukte zur Herstellung von 5-Oxaspiro [2.4] heptan-6-on | |
| CH654299A5 (de) | Verfahren zur herstellung von 4-amino-5-dialkoxymethylpyrimidinderivaten. | |
| CH409903A (de) | Verfahren zur Herstellung von organischen Fluor-Verbindungen | |
| EP0423595B1 (de) | Verfahren zur Herstellung von 3-Trichlormethyl-pyridin | |
| EP0128279B1 (de) | Verfahren zur Herstellung von 6-Methylnicotinsäureester | |
| WO2001096277A1 (de) | Verfahren zur herstellung von 2,3,4,6-tetramethylmandelsäure und 2,3,4,6-tetramethylmandelsäureacetat | |
| DD213437A5 (de) | Verfahren zur herstellung von cyclopentenderivaten | |
| DE2727612C2 (de) | Verfahren zur Herstellung von 2-(2,2-Dihalogenvinyl)-3,3-dimethylcyclopropancarbonitrilen | |
| DE904650C (de) | Verfahren zur Herstellung von Adipinsaeurenitril | |
| DE2931887A1 (de) | Verfahren zur herstellung von 2-alkyl- oder cycloalkyl-4-methyl-6-hydroxypyrimidinen |