| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_26eadf98e8514d2595b19e6fb6c0ffd2 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D295-26
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P15-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D253-07
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D487-04 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D295-26
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D253-07
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D487-04 |
| filingDate |
2007-12-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2012-05-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d92a84a9aafff6639d1432806790c6fd
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_467f2d8be3e463974f4145e946f2ad00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b0eb400bdc6e391b0e8b65645a0e6198
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ad5fae8b0ef8a8b0a8e6c3aee04628c9 |
| publicationDate |
2012-05-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-2228370-B1 |
| titleOfInvention |
N-{1-[3-(2-ethoxy-5-(4-ethylpiperazinyl)benzenesulfonyl)-4,5-dihydro-5-oxo-1,2,4-triazin-6-yl]ethyl}butyramide, the preparation method and use thereof |
| abstract |
Disclosed are N-{1-[3-(2-ethoxy-5-(4-ethylpiperazinyl)benzenesulfonyl)-4,5-dihydro-5-oxo-1,2,4-triazin-6-yl]ethyl}butyramide (which is represented by formula III), its preparation method, intermediates during production, preparation method for such intermediates and the preparation method of vardenafil from the compound of formular III . The preparation method of vardenafil is carried out through chlorosulfonation in the initial stage of the process. |
| priorityDate |
2007-12-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |