http://rdf.ncbi.nlm.nih.gov/pubchem/patent/FR-2246538-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b09f893b262cefd50c5e76c4b85d1c0a |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D295-18 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C233-09 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C231-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D295-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C231-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C231-00 |
| filingDate | 1974-10-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1975-05-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | FR-2246538-A1 |
| titleOfInvention | N,N-Dialkylamides of unsaturated aliphatic acids - obtd. by forming mixed anhydride using catalyst, and reacting with amine |
| abstract | N,N-Dialkylamides (e.g. acrylonitrile) of carboxylic acids of formula: CHR=CR1COOH are prepd. by first reacting the unsaturated acid with an anhydride of a lower aliphatic carboxylic acid or ketene to form the corresponding mixed ahydride which is then reacted with a secondary amino: R3NHR4, (where R is H or CH3 when R1 is H, or R1 is H or CH3 when R is H and R3, and R4 are indep. 1-10C alkyl or together form a heterocyclic ring). The reaction is pref. carried out in two stages in the presence of polymsn. inhibitors, the first stage at 120-200 degrees C in the presence of Gp. III-VIII metal salts or basic catalysts of Gp. I or II. and the second stage pref. at -10 to 100 degrees C. The reaction is pref. in the absence of light. Catalyst is e.g. phosphoric and sulphuric acid, ketene, ZnCl2 pref. FeCl3 or metal hydroxides, pref. LiOH. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0231689-B1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0226501-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/FR-2590567-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4859796-A |
| priorityDate | 1973-10-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 34.