| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_2ea17ba87480b776cce77451f86b25bb |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D491-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P25-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K31-55
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P25-28 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D491-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61P25-28
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K31-55 |
| filingDate |
2007-06-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c1a5cb22ab6995f3d42ff93eb5b3629d
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_74e70759e749b6bf888733c02442bd49 |
| publicationDate |
2007-06-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
NO-20073053-L |
| titleOfInvention |
Process for the preparation of galantamine hydrobromide |
| abstract |
Process for the Purification of Galantamine (I) comprising precipitating galantamine hydrobromide from a mixture of alkaloids derived from a plant in the Amaryllidaceae family containing galantamine, treating the hydrobromide with base, extracting and crystallizing galantamine with a solvent of general formula (II) , wherein R 1 is hydrogen or methyl and R 2 is selected from n-butyl, isobutyl, sec-butyl and t-butyl. The resulting pure galanthamine can be used with ease to prepare galanthamine hydrobromide. ?? ?? ?? ?? |
| priorityDate |
2004-12-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |