http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104557692-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-89 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-69 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-89 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-69 |
| filingDate | 2014-12-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2018-08-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2018-08-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-104557692-B |
| titleOfInvention | A kind of preparation method of pantoprazole intermediate 2- chloromethyls -3,4- dimethoxy pyridine hydrochlorides |
| abstract | The invention belongs to field of pharmaceutical technology, and in particular to a kind of preparation method of 2 chloromethyl of pantoprazole intermediate, 3,4 dimethoxy pyridine hydrochloride.It is starting material by 3 hydroxyl, 2 methyl, 4 pyranone, only needs the reaction of five steps that can obtain 2 chloromethyl of pantoprazole intermediate, 3,4 dimethoxy pyridine hydrochloride, reduce reaction step, shorten reaction time, improve working efficiency, and improve yield. |
| priorityDate | 2014-12-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 67.