BE427306A - Procédé de préparation de produits de condensation du formaldéhyde - Google Patents
Procédé de préparation de produits de condensation du formaldéhydeInfo
- Publication number
- BE427306A BE427306A BE427306A BE427306A BE427306A BE 427306 A BE427306 A BE 427306A BE 427306 A BE427306 A BE 427306A BE 427306 A BE427306 A BE 427306A BE 427306 A BE427306 A BE 427306A
- Authority
- BE
- Belgium
- Prior art keywords
- formaldehyde
- reaction
- water
- acetals
- aldehyde
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/36—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal
- C07C29/38—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal by reaction with aldehydes or ketones
-
- 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
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
- C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
- C07C45/75—Reactions with formaldehyde
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE835834X | 1937-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE427306A true BE427306A (fr) | 1938-04-30 |
Family
ID=1554039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE427306A BE427306A (fr) | 1937-04-01 | 1938-03-31 | Procédé de préparation de produits de condensation du formaldéhyde |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE427306A (de) |
| CH (2) | CH211656A (de) |
| FR (1) | FR835834A (de) |
| GB (1) | GB513772A (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2478989A (en) * | 1946-06-26 | 1949-08-16 | Du Pont | Chemical process for the production of acrolein |
| US2549457A (en) * | 1948-08-04 | 1951-04-17 | Du Pont | Preparation of alphamethylacrolein |
| US2605287A (en) * | 1950-08-24 | 1952-07-29 | Cities Service Oil Co | Hydrolysis of methylal |
| US2821543A (en) * | 1955-01-10 | 1958-01-28 | Celanese Corp | Production of unsaturated aliphatic esters |
| US3541142A (en) * | 1966-09-02 | 1970-11-17 | Merck & Co Inc | (4-(2-hydroxymethylalkanoyl)phenoxy) acetic acids |
| FR2997397B1 (fr) | 2012-10-29 | 2014-11-07 | Arkema France | Procede de synthese directe d'aldehydes insatures a partir de melanges d'alcools |
| FR3019545B1 (fr) | 2014-04-04 | 2016-03-11 | Arkema France | Procede de synthese directe de (meth)acroleine a partir d'ethers et/ou acetals |
| US9828322B2 (en) * | 2016-01-28 | 2017-11-28 | Eastman Chemical Company | Efficient synthesis of methacroelin and other alpha, beta-unsaturated aldehydes over a regenerable anatase titania catalyst |
| US9834501B2 (en) * | 2016-01-28 | 2017-12-05 | Eastman Chemical Company | Efficient synthesis of methacroelin and other alpha, beta—unsaturated aldehydes from methanol and an aldehyde |
-
1938
- 1938-03-14 CH CH211656D patent/CH211656A/de unknown
- 1938-03-14 CH CH212194D patent/CH212194A/de unknown
- 1938-03-28 FR FR835834D patent/FR835834A/fr not_active Expired
- 1938-03-31 BE BE427306A patent/BE427306A/fr unknown
- 1938-03-31 GB GB1483/39A patent/GB513772A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH212194A (de) | 1940-11-15 |
| FR835834A (fr) | 1939-01-04 |
| GB513772A (en) | 1939-10-20 |
| CH211656A (de) | 1940-10-15 |
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