http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-107814824-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07J7-008 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J7-00 |
| filingDate | 2017-12-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-09-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-09-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-107814824-B |
| titleOfInvention | Preparation method of tetraene acetate |
| abstract | The invention belongs to the technical field of preparation of steroid hormone drug intermediates, and particularly relates to a preparation method of a tetraene acetate, which comprises the steps of taking 1,4, 9(11) -triene-androstane-3, 17-diketone as a raw material, and sequentially carrying out ethynylation reaction, esterification reaction, bromination removal reaction and displacement elimination reaction to prepare the tetraene acetate. |
| priorityDate | 2017-12-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 94.