http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7863462-B2
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_81075572b8d1526ce20dbf5dd7dbded8 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D209-34 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D209-34 |
| filingDate | 2007-03-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2011-01-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3ab1f7dd8e2539f6b6242947462b27af http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_84df5cb936d3a03efe1d33cf6773bef9 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_38aeeb230d3d120cf39930eb54283267 |
| publicationDate | 2011-01-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-7863462-B2 |
| titleOfInvention | Process for the purification of ropinirole hydrochloride |
| abstract | The present invention provides an improved process for the purification of ropinirole hydrochloride. The process includes (i) treating ropinirole hydrochloride with sodium dithionate and charcoal in suitable alcoholic solvent; (ii) triturating the ropinirole hydrochloride obtained in step (i) with ethanol; (iii) reacting the triturated solid with base in water immiscible solvent and isolating the free base; and (iv) treating the free base obtained in step (iii) with ethanolic HCl to give ropinirole hydrochloride. |
| priorityDate | 2006-03-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 107.