http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-865880-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_70ec63d39d6704bacc5c7068c93ded43 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-82 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-52 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C47-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C47-228 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C47-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C47-19 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-75 |
| filingDate | 1959-11-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1961-04-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-865880-A |
| titleOfInvention | Process for the preparation of beta-ether-substituted propionaldehydes |
| abstract | A beta-ether substituted propionaldehyde is prepared by reacting acrolein and an alcohol in the presence of a catalyst comprising a monoamine salt of a strong inorganic polybasic acid (strong acid being defined as an acid that has a degree of ionisation greater than 0,075 as determined by the conductivity in N/10 solution) and an amine containing at least one polar structural moity other than the amino group. The alcohol preferably contains only C, H and O. Suitable alcohols include straight- and branched-chain saturated and olefinic aliphatic alcohols, cycloaliphatic alcohols, araliphatic alcohols, glycols and ether-alcohols. Suitable polar groups in the amine include hydroxy, halogen, nitro, amide, carboxyl, hydrocarbyloxy, carbalkoxy, cyano, formyl and sulpho groups or hetero ring structures such as sulpholanyl. Alkanolamines are preferred. Specified strong acid salts are phosphoric and sulphuric. The amine salt may be preformed or formed in situ. Reaction temperatures of 20-110 DEG C are mentioned. The concentration of catalyst is preferably at least 1% by weight of the mixture and is generally 5-15%. At least 1% by weight of water is preferably present and as much as 50% may be used. Examples describe the preparation of b -methoxy-, ethoxy-, isopropoxy-, allyloxy-, and n-butoxy-propionaldehyde using monotriethanolamine phosphate or sulphate as catalyst. |
| priorityDate | 1958-12-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 35.