RO63046A - Procede pour la preparation des esters d'acide methacry - Google Patents
Procede pour la preparation des esters d'acide methacryInfo
- Publication number
- RO63046A RO63046A RO7400079391A RO7939174A RO63046A RO 63046 A RO63046 A RO 63046A RO 7400079391 A RO7400079391 A RO 7400079391A RO 7939174 A RO7939174 A RO 7939174A RO 63046 A RO63046 A RO 63046A
- Authority
- RO
- Romania
- Prior art keywords
- preparation
- acid esters
- methacry
- methacry acid
- esters
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/23—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups
- C07C51/235—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups of —CHO groups or primary alcohol groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/317—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
- C07C67/327—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups by elimination of functional groups containing oxygen only in singly bound form
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S261/00—Gas and liquid contact apparatus
- Y10S261/72—Packing elements
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 |
|---|---|---|---|
| PL1973164042A PL84285B1 (ro) | 1973-07-12 | 1973-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO63046A true RO63046A (fr) | 1978-05-15 |
Family
ID=19963443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7400079391A RO63046A (fr) | 1973-07-12 | 1974-07-02 | Procede pour la preparation des esters d'acide methacry |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3974207A (ro) |
| JP (1) | JPS546529B2 (ro) |
| CS (1) | CS181765B2 (ro) |
| DE (1) | DE2432527A1 (ro) |
| FR (1) | FR2236836B3 (ro) |
| GB (1) | GB1427910A (ro) |
| IT (1) | IT1017072B (ro) |
| PL (1) | PL84285B1 (ro) |
| RO (1) | RO63046A (ro) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3045378A1 (de) * | 1980-12-02 | 1982-07-01 | Basf Ag, 6700 Ludwigshafen | "verfahren zur herstellung von tertiaeren alkoholen" |
| US4579967A (en) * | 1983-02-07 | 1986-04-01 | Celanese Corporation | Production of alkyl methacrylate |
| US4529816A (en) * | 1984-02-13 | 1985-07-16 | E. I. Du Pont De Nemours And Company | Process for producing alkyl methacrylates |
| US5068366A (en) * | 1990-08-06 | 1991-11-26 | Texaco Chemical Company | Simultaneous epoxide and carboxylic acid manufacture by co-oxidation in the presence of a cobalt catalyst |
| EP0999200B1 (en) * | 1998-11-04 | 2002-07-17 | Rohm And Haas Company | Process for the high yield production of methyl methacrylate or methacrylic acid |
| US7687661B2 (en) * | 2006-03-15 | 2010-03-30 | Battelle Memorial Institute | Method for conversion of β-hydroxy carbonyl compounds |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2100993A (en) * | 1934-12-14 | 1937-11-30 | Rohm & Haas | Process for preparing esters and products |
| US2303842A (en) * | 1941-04-12 | 1942-12-01 | American Cyanamid Co | Process for producing unsaturated aliphatic compounds |
| US2360880A (en) * | 1943-01-15 | 1944-10-24 | American Cyanamid Co | Production of methacrylates |
| US3022336A (en) * | 1957-09-17 | 1962-02-20 | Knapsack Ag | Process for dehydrating alpha-hydroxyisobutyric acid esters |
| US3536750A (en) * | 1967-10-02 | 1970-10-27 | Eastman Kodak Co | Production of methyl-2-hydroxy-2-methylpropionate |
| US3678096A (en) * | 1969-08-12 | 1972-07-18 | Union Carbide Corp | Oxidation process for the synthesis of {60 -hydroxy esters |
-
1973
- 1973-07-12 PL PL1973164042A patent/PL84285B1/pl unknown
-
1974
- 1974-07-02 GB GB2920374A patent/GB1427910A/en not_active Expired
- 1974-07-02 RO RO7400079391A patent/RO63046A/ro unknown
- 1974-07-04 DE DE2432527A patent/DE2432527A1/de active Pending
- 1974-07-05 FR FR7423463A patent/FR2236836B3/fr not_active Expired
- 1974-07-05 CS CS7400004775A patent/CS181765B2/cs unknown
- 1974-07-09 US US05/486,904 patent/US3974207A/en not_active Expired - Lifetime
- 1974-07-11 IT IT25049/74A patent/IT1017072B/it active
- 1974-07-11 JP JP7971274A patent/JPS546529B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5069015A (ro) | 1975-06-09 |
| JPS546529B2 (ro) | 1979-03-29 |
| FR2236836A1 (ro) | 1975-02-07 |
| US3974207A (en) | 1976-08-10 |
| DE2432527A1 (de) | 1975-01-30 |
| GB1427910A (en) | 1976-03-10 |
| FR2236836B3 (ro) | 1977-05-06 |
| CS181765B2 (en) | 1978-03-31 |
| IT1017072B (it) | 1977-07-20 |
| PL84285B1 (ro) | 1976-03-31 |
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