http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-105330677-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D501-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D501-57 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-57 |
| filingDate | 2015-12-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2017-11-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2017-11-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-105330677-B |
| titleOfInvention | A kind of preparation method of cefmetazole sodium |
| abstract | The invention relates to a preparation method of cefmetazole sodium, which adopts 7-ACA, 1-methyl-5-mercaptotetrazolium and chloroacetyl chloride one-pot method to obtain 7-DCT, and then uses sodium methoxide and hypochlorous acid The 7-methoxy group on the tert-butyl ester can get the methoxycephalosporin mother nucleus, and it is a shared mother nucleus, which can be used as four methoxycephalosporins such as cefminox, cefmetazole, cefbuperazone, and cefotetan disodium. The product has three steps less in the number of steps, which greatly shortens the process steps, reduces the cost, and increases the total yield to 70%. |
| priorityDate | 2015-12-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 88.