http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110483415-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07B2200-07 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D239-54 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D239-54 |
| filingDate | 2019-08-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-12-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-12-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-110483415-B |
| titleOfInvention | A kind of purification preparation method of elagolime intermediate |
| abstract | The invention discloses a method for the purification and preparation of an elagolil intermediate, which comprises the following steps: adding compound I into a solvent, further, adding an acid, heating at room temperature or to 20-65°C, and stirring for 1-3 hours to complete the reaction , and then the solution after the reaction was lowered to room temperature, further, the solution was filtered to obtain a filter cake, the filter cake was washed with a solvent, and dried to obtain a compound I salt. The preparation process is simple, the production cost is reduced, the use of a large amount of solvent is avoided, and the method is more suitable for industrial production. |
| priorityDate | 2019-08-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 34.