| Predicate |
Object |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C255-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D239-95 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C255-49
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D-
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D239-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D239-95
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D239-94
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K-
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D239-84
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C255-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C255-51
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C255-58 |
| filingDate |
1987-07-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1993-03-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
1993-03-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0253396-B1 |
| titleOfInvention |
Process for preparing 5,6-substituted-2,4-quinazolinediamines and intermediates |
| abstract |
An improved process for the preparation of 6-substituted-5-alkyl-2,4-quinazolinediamines, useful in the production of trimetrexate and similar antifolate agents, together with several novel intermediates are disclosed. |
| priorityDate |
1986-07-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |