| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_dfd617dc43a4c986d2dd81e4cb39d9dd
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1394e66eb648f9bf0a1f5507fe25b67b |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D515-22
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D491-22
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D471-22
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D495-22 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D471-22
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D491-22
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D495-22 |
| filingDate |
1988-06-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1992-06-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2cae3950708c09a0c535ed957e26a15b
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0c4e8a300fde9ca60d41d888dc371548
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9a3e4d7a87ceb091bff3a050a973711b
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cdbbc96a94c5c86affa77fa0d68ebd7f
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_bc265f84f122083b1ee88e92fd91f4b9 |
| publicationDate |
1992-06-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CA-1304370-C |
| titleOfInvention |
Hexa-cyclic camptothecin derivatives |
| abstract |
ABSTRACT OF THE DISCLOSURE The present invention provides a novel hexa-cyclic compound, a derivative of camptothecin, of the general formula: (I) The compound is prepared from an aminoketone compound and a pyranoindolizine compound through a Friedlaender reaction. It has an excellent antitumour activity and a high degree of safety, and can be applied as an antitumour medicine for curing tumors of various kinds. |
| priorityDate |
1987-06-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |