http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112479844-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-584 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J27-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J37-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-74 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J21-18 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J37-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J21-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-74 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J27-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C49-203 |
| filingDate | 2020-11-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-07-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-07-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-112479844-B |
| titleOfInvention | A kind of preparation method of pseudo-ionone |
| abstract | The invention provides a preparation method of vitamin A intermediate pseudoionone. The method relates to a reaction for preparing pseudoionone by using a novel catalyst to catalyze the condensation of acetone and citral. The use of the new catalyst can effectively reduce the amount of acetone in the reaction and reduce the self-polymerization and copolymerization of citral and pseudoionone in the reaction. , improving the reaction selectivity and yield. |
| priorityDate | 2020-11-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 65.