| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a494a8968e66fea2a0ef50933321e189
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_3e0a3e9578100cf105d929d0027b7ced |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D501-24
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P31-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D501-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-59
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-22
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61P31-04 |
| filingDate |
2000-09-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9254d103bb5e90aaa130c8844afadc78 |
| publicationDate |
2001-03-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
WO-0121622-A1 |
| titleOfInvention |
Process for the preparation of 3-sulfonyloxy-3-cephem compounds |
| abstract |
A process for the preparation of 3-sulfonyloxy-3-cephem compounds of general formula (3), characterized by reacting a 3-hydroxy-3-cephem compound of general formula (1) with a sulfonic acid halide of general formula (2) :R4SO2x, in an organic solvent in the presence of an alkali metal carbonate or an alkaline earth metal carbonate wherein R1 to R4 and X are each as defined in the description. |
| priorityDate |
1999-09-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |