http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-100554560-B1
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07J71-001 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07J9-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C401-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C401-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J71-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J9-00 |
| filingDate | 1997-06-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2006-05-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2006-05-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | KR-100554560-B1 |
| titleOfInvention | Crystals of vitamin d derivatives and process for the preparation thereof |
| abstract | The present invention is directed to the determination of compounds represented by the formula I:n n n [Formula I]n n n n n n n n ; Vitamin D derivative crystals prepared by purifying crude or prepurified product of vitamin D derivatives via reverse phase chromatography and then crystallizing the purified derivatives in an organic solvent; Novel compounds as byproducts formed during the synthesis of vitamin D derivatives; And methods for purifying vitamin D derivatives or intermediates thereof. The method of the present invention makes it possible to supply a fixed and vitamin D derivative, in particular ED-71 in large quantities and continuously. |
| priorityDate | 1996-07-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 44.