http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-106967092-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D501-36 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-36 |
| filingDate | 2017-04-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2019-05-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2019-05-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-106967092-B |
| titleOfInvention | A kind of preparation method of Cefazedone |
| abstract | The invention discloses a kind of preparation methods of Cefazedone, the present invention utilizes starting material 7-aminodesacetoxycephalosporanic acid (II), with 3,5- dichloropyridine ketone acetic acid (III), which reacts, is made compounds Ⅳ, compound V is made by substitution reaction in compounds Ⅳ, compound V and 2- sulfydryl -5- methyl-1,3,4- thiadiazoles, which react, is made finished product Cefazedone.The present invention is reacted using cheap starting material and condensing agent, and reaction process is controllable, easy to operate, purity and high income, is suitble to industrialized production. |
| priorityDate | 2017-04-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 84.