http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104974072-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-41 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C59-255 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D209-08 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D209-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C59-255 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-41 |
| filingDate | 2014-04-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2017-11-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2017-11-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-104974072-B |
| titleOfInvention | A kind of method for preparing Silodosin intermediate |
| abstract | The invention discloses a kind of method for preparing Silodosin intermediate, the structural formula of the intermediate is as shown in formula A.The present invention uses indoline for initial feed, and target product is finally made by the reaction such as friedel-crafts acylation, carbonyl reduction, drop cloth riel, chiral resolution.The preparation method has the features such as low simple to operate, cost, high income, product are easy to purification, process stabilizing, is suitable for industrialized production.The invention also discloses the new midbody compound being related in the method. |
| priorityDate | 2014-04-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 125.