| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5929f2d6f4dba84be8dd3a8ba633db12 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D499-42
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D501-04 |
| classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K31-545 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-34
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-60
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K-
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D499-42
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D499-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D-
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-18 |
| filingDate |
1978-04-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1981-06-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_943b4cf962b3ff8dbb8b9fac579ea518
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8a7179a3906cdeab46430763b744d02b |
| publicationDate |
1981-06-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CA-1102791-A |
| titleOfInvention |
Method for producing cephem compounds |
| abstract |
Abstract of disclosure Cephem compounds of the formula: , wherein R2 is hydrogen or an ester residue, or salts thereof are produced in low production cost and excellent yields by a method comprising silylating a compound of the formula: , wherein R1CO is an acyl group and R2 has the same meaning as defined above, halogenating the silylated compound, reacting the iminohalide with a lower alcohol and subjecting the resultant iminoether compound to solvolysis. |
| priorityDate |
1977-04-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |