http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112409251-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-68 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-89 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-68 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-89 |
| filingDate | 2020-11-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-07-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-07-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-112409251-B |
| titleOfInvention | A kind of omeprazole process impurity and preparation method thereof |
| abstract | The present invention relates to an omeprazole process impurity and a preparation method thereof, wherein the omeprazole process impurity has a structure shown in formula I : wherein , X- is CH 3 SO 4- or HSO 4- . The separation, confirmation and preparation of impurities in the omeprazole process are beneficial to the impurity analysis of omeprazole intermediates and omeprazole raw materials, and are beneficial to the synthesis process of omeprazole intermediates and omeprazole raw materials Therefore, it will help to further improve the quality standards and control of omeprazole raw materials, improve the quality level of the raw materials, and provide a guarantee for the people's drug safety. |
| priorityDate | 2020-11-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 34.