http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-107778222-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_2a108c8153d3e907c41bc537b94bc333 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-75 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-75 |
| filingDate | 2016-08-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6fe595365a812e19458ed012a299269d |
| publicationDate | 2018-03-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-107778222-A |
| titleOfInvention | A kind of exquisite method of roflumilast |
| abstract | The invention belongs to medicinal chemistry arts, it is related to a kind of exquisite method of roflumilast, by roflumilast crude product alcohols and the mixed liquor of ketone, stirring and crystallizing；It is collected by filtration, washs, the roflumilast crystal for being dried in vacuo pure, yield more than 90%, purity（HPLC）Up to 99.4%, impurity is set to be reduced to 0.1% or so. |
| priorityDate | 2016-08-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 23.