| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_76195fd1cd08192222699d8e7a88c231 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D307-66
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D513-04 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D307-66
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D513-04 |
| filingDate |
1967-06-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1971-07-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_af3fa27deb210fedbae9f4ca256a69ae |
| publicationDate |
1971-07-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-3592810-A |
| titleOfInvention |
Process for the preparation of cephalosporin c intermediates |
| abstract |
THIS INVENTION RELATES TO THE CHEMICAL SYNTHESIS OF CEPHALOSPORIN C LACTONE BY A PROCESS THAT UTILIZES A NOVEL INTERMEDIATE HAVING THE FORMULA I 3-(R1-N(-R2)-C(-COO-R3)=CH-N-),4-(R4-S-CH2-)FURAN-2(3H)- ONE WHEREIN R1 AND R2 TOGETHER FORM A DIVALENT ACYL GROUP DERIVED FROM DICARBOXYLIC ACID; R3 IS ALKYL, ARYL, ARALKYL; AND R4 IS ACYL, ALKYL, OR ARALKYL; AND THE PROCESS OF PREPARATION THEREOF. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3920637-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3926965-A |
| priorityDate |
1967-06-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |