http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104710496-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07J13-005 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07J75-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J13-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J75-00 |
| filingDate | 2013-12-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2017-11-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2017-11-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-104710496-B |
| titleOfInvention | On a kind of preparation method of the pregnant diketone steroid derivative of 16 alkene of steroid 3,20 |
| abstract | The present invention relates to a kind of pregnant diketone steroid derivative of 16 alkene of steroid 3,20（II）Preparation method, it is characterized in that preparing the standby side hydroxy steroid derivatives I of acetenyl 17 with reagent A by 17 or the organic solvent containing reagent A reacts and obtained, reaction temperature：25 DEG C~solvent reflux temperature, the reagent A is dissolved in the solution that methanesulfonic acid is formed for 5%~15% phosphorus pentoxide. |
| priorityDate | 2013-12-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 53.