| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5053f82a7cd17c60822674b657cfb89e |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D473-18 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D473-18 |
| filingDate |
2007-03-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_36939c0617dac7c50b1a2b88da7fa024
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_82b48cf3aab8432dce373abbc29e946b
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_703d7adce6e32beac412de8eb55a4b3c |
| publicationDate |
2007-09-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CA-2581965-A1 |
| titleOfInvention |
Preparation of ester of purine derivatives |
| abstract |
A process for the preparation of valganciclovir with triacetyl ganciclovir (V) as a starting material, comprising the following steps: selective hydrolysis, reacting with a coupling agent and a solvent, followed by hydrolysis under basic conditions and hydrogenolysis in the presence of a catalyst. |
| priorityDate |
2006-03-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |