http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110156753-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D401-12 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D401-12 |
| filingDate | 2019-05-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-04-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-04-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-110156753-B |
| titleOfInvention | A kind of stable high-purity dexlansoprazole and preparation method thereof |
| abstract | The present invention provides a dexlansoprazole with a purity of not less than 99.5%. The dexlansoprazole is prepared by the following method. Crystallize, filter, remove impurities to obtain dexlansoprazole refined product; add alkaline stabilizer 1 during the dissolving preparation process, and add alkaline stabilizer 2 after the concentration process to make dexlansoprazole The content of impurity I in the refined product is less than 0.1%, which excellently controls the introduction of degradation impurities. The obtained product also meets the requirements of medicinal purity during the long-term storage process, and has strong controllability, which solves the problem of dextromethorphan in industrial production. Quality controllable issues. |
| priorityDate | 2019-05-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 39.