| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e673458c8c443e6fcd34bbc9565bf7f7 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-55 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D501-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D501-48 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-24
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-46
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-38
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-52
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-56
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-48
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00 |
| filingDate |
2000-06-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2008-05-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_dea64e0955fcac393d81d519721596bc
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8c1fc37887eb9bf86d17a89a0f5bd8fd |
| publicationDate |
2008-05-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
DE-60035925-T2 |
| titleOfInvention |
Process for the preparation of cephalosporin derivatives |
| abstract |
The present invention is concerned with a novel process for the manufacture of cephalosporin derivatives of the general formula <CHEM> wherein R<1>, R<2> and R are defined in the specification, the process is characterized in that it comprises converting a phosphonium salt of the general formula <CHEM> wherein R is as above and Ph represents phenyl, into the corresponding ylide of the general formula <CHEM> wherein R and Ph are as above, and reacting same with an aldehyde of the general formula <CHEM> wherein R<1> and R<2> are as above. |
| priorityDate |
1999-07-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |