http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-105753870-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D487-04 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D487-04 |
| filingDate | 2016-04-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2018-05-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2018-05-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-105753870-B |
| titleOfInvention | A kind of silaenafil impurity F and its preparation method and application |
| abstract | The invention discloses the present invention to provide a kind of silaenafil impurity F and its preparation method and application, to the west of intermediate during that non-synthetic be raw material, carry out esterification under acid or alkaline conditions and obtain silaenafil impurity F, intermediate structure such as formula（I）Compound represented, , silaenafil impurity F structure such as formula（II）Compound represented, , using the silaenafil impurity F purity obtained by method provided by the present invention up to more than 98%, reference substance can be used as to be used for experimental study. |
| priorityDate | 2016-04-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 65.